Update DeDRM version number to 6.8.1, and kindlekey to 2.8

Fix loading libcrypto on OSX Big Sur

.github/ISSUE_TEMPLATE/QUESTION.md

@@ -1,33 +0,0 @@
----
-name: Question
-about: Questions for DeDRM Project
-title: "[QUESTION] Title"
-labels: Question
----
-
-## CheckList
-<!-- Check with `[x]` -->
-- [ ] `The Title` and The `Log Title` are setted correctly.
-- [ ] Clarified about `my environment`.
-- [ ] Code block is used for `the log`.
-<!-- If you don't know the version, please specify 'Unknown'. -->
-<!-- In case of markdown To use the code block, enclose it in ```. -->
-<!-- If you don't need Log, please delete the log section. -->
-
----
-
-## Title
-<!-- content -->
-
-## My Environment
-### Calibre: `Version`
-### Kindle: `Version`
-### DeDRM: `Version`
-
-## Log
-<details><summary>Log Title</summary>
-
-```log
-PUT YOUR LOG
-```
-</details>

.github/workflows/Python_tests.yml

@@ -7,7 +7,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [macos-latest]
-        python-version: [2.7, 3.8]
+        python-version: [2.7]  # , 3.8]
     steps:
       - uses: actions/checkout@v2
       - name: Set up Python ${{ matrix.python-version }}

CALIBRE_CLI_INSTRUCTIONS.md

@@ -27,7 +27,7 @@ platforms.
 
 #### Enter your keys
   - Figure out what format DeDRM wants your key in by looking in
-     [the code that handles that](DeDRM_plugin/prefs.py).
+     [the code that handles that](dedrm_src/prefs.py).
      - For Kindle eInk devices, DeDRM expects you to put a list of serial
        numbers in the `serials` field: `"serials": ["012345689abcdef"]` or
        `"serials": ["1111111111111111", "2222222222222222"]`.

DeDRM_plugin/__init__.py

@@ -1,11 +1,13 @@
-#!/usr/bin/env python3
+#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
+from __future__ import with_statement
+
 # __init__.py for DeDRM_plugin
 # Copyright © 2008-2020 Apprentice Harper et al.
 
 __license__   = 'GPL v3'
-__version__ = '7.0.0'
+__version__ = '6.8.1'
 __docformat__ = 'restructuredtext en'
 
 
@@ -69,19 +71,18 @@ __docformat__ = 'restructuredtext en'
 #   6.6.3 - More cleanup of kindle book names and start of support for .kinf2018
 #   6.7.0 - Handle new library in calibre.
 #   6.8.0 - Full support for .kinf2018 and new KFX encryption (Kindle for PC/Mac 2.5+)
-#   7.0.0 - Switched to Python 3 for calibre 5.0. Thanks to all who comtibuted
+#   6.8.1 - Kindle key fix for Mac OS X Big Syr
 
 """
 Decrypt DRMed ebooks.
 """
 
-PLUGIN_NAME = "DeDRM"
-PLUGIN_VERSION_TUPLE = (7, 0, 0)
-PLUGIN_VERSION = ".".join([str(x)for x in PLUGIN_VERSION_TUPLE])
+PLUGIN_NAME = u"DeDRM"
+PLUGIN_VERSION_TUPLE = (6, 8, 0)
+PLUGIN_VERSION = u".".join([unicode(str(x)) for x in PLUGIN_VERSION_TUPLE])
 # Include an html helpfile in the plugin's zipfile with the following name.
 RESOURCE_NAME = PLUGIN_NAME + '_Help.htm'
 
-import codecs
 import sys, os, re
 import time
 import zipfile
@@ -107,11 +108,11 @@ class SafeUnbuffered:
         if self.encoding == None:
             self.encoding = "utf-8"
     def write(self, data):
-        if isinstance(data,str):
+        if isinstance(data,unicode):
             data = data.encode(self.encoding,"replace")
         try:
-            self.stream.buffer.write(data)
-            self.stream.buffer.flush()
+            self.stream.write(data)
+            self.stream.flush()
         except:
             # We can do nothing if a write fails
             pass
@@ -120,14 +121,13 @@ class SafeUnbuffered:
 
 class DeDRM(FileTypePlugin):
     name                    = PLUGIN_NAME
-    description             = "Removes DRM from Amazon Kindle, Adobe Adept (including Kobo), Barnes & Noble, Mobipocket and eReader ebooks. Credit given to i♥cabbages and The Dark Reverser for the original stand-alone scripts."
+    description             = u"Removes DRM from Amazon Kindle, Adobe Adept (including Kobo), Barnes & Noble, Mobipocket and eReader ebooks. Credit given to i♥cabbages and The Dark Reverser for the original stand-alone scripts."
     supported_platforms     = ['linux', 'osx', 'windows']
-    author                  = "Apprentice Alf, Aprentice Harper, The Dark Reverser and i♥cabbages"
+    author                  = u"Apprentice Alf, Aprentice Harper, The Dark Reverser and i♥cabbages"
     version                 = PLUGIN_VERSION_TUPLE
-    minimum_calibre_version = (5, 0, 0)  # Python 3.
+    minimum_calibre_version = (1, 0, 0)  # Compiled python libraries cannot be imported in earlier versions.
     file_types              = set(['epub','pdf','pdb','prc','mobi','pobi','azw','azw1','azw3','azw4','azw8','tpz','kfx','kfx-zip'])
     on_import               = True
-    on_preprocess           = True
     priority                = 600
 
 
@@ -144,29 +144,29 @@ class DeDRM(FileTypePlugin):
         Also perform upgrade of preferences once per version
         """
         try:
-            self.pluginsdir = os.path.join(config_dir,"plugins")
+            self.pluginsdir = os.path.join(config_dir,u"plugins")
             if not os.path.exists(self.pluginsdir):
                 os.mkdir(self.pluginsdir)
-            self.maindir = os.path.join(self.pluginsdir,"DeDRM")
+            self.maindir = os.path.join(self.pluginsdir,u"DeDRM")
             if not os.path.exists(self.maindir):
                 os.mkdir(self.maindir)
-            self.helpdir = os.path.join(self.maindir,"help")
+            self.helpdir = os.path.join(self.maindir,u"help")
             if not os.path.exists(self.helpdir):
                 os.mkdir(self.helpdir)
-            self.alfdir = os.path.join(self.maindir,"libraryfiles")
+            self.alfdir = os.path.join(self.maindir,u"libraryfiles")
             if not os.path.exists(self.alfdir):
                 os.mkdir(self.alfdir)
             # only continue if we've never run this version of the plugin before
             self.verdir = os.path.join(self.maindir,PLUGIN_VERSION)
             if not os.path.exists(self.verdir):
                 if iswindows:
-                    names = ["alfcrypto.dll","alfcrypto64.dll"]
+                    names = [u"alfcrypto.dll",u"alfcrypto64.dll"]
                 elif isosx:
-                    names = ["libalfcrypto.dylib"]
+                    names = [u"libalfcrypto.dylib"]
                 else:
-                    names = ["libalfcrypto32.so","libalfcrypto64.so","kindlekey.py","adobekey.py","subasyncio.py"]
+                    names = [u"libalfcrypto32.so",u"libalfcrypto64.so",u"kindlekey.py",u"adobekey.py",u"subasyncio.py"]
                 lib_dict = self.load_resources(names)
-                print("{0} v{1}: Copying needed library files from plugin's zip".format(PLUGIN_NAME, PLUGIN_VERSION))
+                print u"{0} v{1}: Copying needed library files from plugin's zip".format(PLUGIN_NAME, PLUGIN_VERSION)
 
                 for entry, data in lib_dict.items():
                     file_path = os.path.join(self.alfdir, entry)
@@ -178,7 +178,7 @@ class DeDRM(FileTypePlugin):
                     try:
                         open(file_path,'wb').write(data)
                     except:
-                        print("{0} v{1}: Exception when copying needed library files".format(PLUGIN_NAME, PLUGIN_VERSION))
+                        print u"{0} v{1}: Exception when copying needed library files".format(PLUGIN_NAME, PLUGIN_VERSION)
                         traceback.print_exc()
                         pass
 
@@ -188,7 +188,7 @@ class DeDRM(FileTypePlugin):
 
                 # mark that this version has been initialized
                 os.mkdir(self.verdir)
-        except Exception as e:
+        except Exception, e:
             traceback.print_exc()
             raise
 
@@ -197,13 +197,13 @@ class DeDRM(FileTypePlugin):
         # Check original epub archive for zip errors.
         import calibre_plugins.dedrm.zipfix
 
-        inf = self.temporary_file(".epub")
+        inf = self.temporary_file(u".epub")
         try:
-            print("{0} v{1}: Verifying zip archive integrity".format(PLUGIN_NAME, PLUGIN_VERSION))
+            print u"{0} v{1}: Verifying zip archive integrity".format(PLUGIN_NAME, PLUGIN_VERSION)
             fr = zipfix.fixZip(path_to_ebook, inf.name)
             fr.fix()
-        except Exception as e:
-            print("{0} v{1}: Error \'{2}\' when checking zip archive".format(PLUGIN_NAME, PLUGIN_VERSION, e.args[0]))
+        except Exception, e:
+            print u"{0} v{1}: Error \'{2}\' when checking zip archive".format(PLUGIN_NAME, PLUGIN_VERSION, e.args[0])
             raise Exception(e)
 
         # import the decryption keys
@@ -216,19 +216,19 @@ class DeDRM(FileTypePlugin):
 
         #check the book
         if  ignobleepub.ignobleBook(inf.name):
-            print("{0} v{1}: “{2}” is a secure Barnes & Noble ePub".format(PLUGIN_NAME, PLUGIN_VERSION, os.path.basename(path_to_ebook)))
+            print u"{0} v{1}: “{2}” is a secure Barnes & Noble ePub".format(PLUGIN_NAME, PLUGIN_VERSION, os.path.basename(path_to_ebook))
 
             # Attempt to decrypt epub with each encryption key (generated or provided).
             for keyname, userkey in dedrmprefs['bandnkeys'].items():
-                keyname_masked = "".join(("X" if (x.isdigit()) else x) for x in keyname)
-                print("{0} v{1}: Trying Encryption key {2:s}".format(PLUGIN_NAME, PLUGIN_VERSION, keyname_masked))
-                of = self.temporary_file(".epub")
+                keyname_masked = u"".join((u'X' if (x.isdigit()) else x) for x in keyname)
+                print u"{0} v{1}: Trying Encryption key {2:s}".format(PLUGIN_NAME, PLUGIN_VERSION, keyname_masked)
+                of = self.temporary_file(u".epub")
 
                 # Give the user key, ebook and TemporaryPersistent file to the decryption function.
                 try:
                     result = ignobleepub.decryptBook(userkey, inf.name, of.name)
                 except:
-                    print("{0} v{1}: Exception when trying to decrypt after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime))
+                    print u"{0} v{1}: Exception when trying to decrypt after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime)
                     traceback.print_exc()
                     result = 1
 
@@ -239,10 +239,10 @@ class DeDRM(FileTypePlugin):
                     # Return the modified PersistentTemporary file to calibre.
                     return of.name
 
-                print("{0} v{1}: Failed to decrypt with key {2:s} after {3:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION,keyname_masked,time.time()-self.starttime))
+                print u"{0} v{1}: Failed to decrypt with key {2:s} after {3:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION,keyname_masked,time.time()-self.starttime)
 
             # perhaps we should see if we can get a key from a log file
-            print("{0} v{1}: Looking for new NOOK Study Keys after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime))
+            print u"{0} v{1}: Looking for new NOOK Study Keys after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime)
 
             # get the default NOOK Study keys
             defaultkeys = []
@@ -253,13 +253,13 @@ class DeDRM(FileTypePlugin):
 
                     defaultkeys = nookkeys()
                 else: # linux
-                    from .wineutils import WineGetKeys
+                    from wineutils import WineGetKeys
 
-                    scriptpath = os.path.join(self.alfdir,"ignoblekey.py")
-                    defaultkeys = WineGetKeys(scriptpath, ".b64",dedrmprefs['adobewineprefix'])
+                    scriptpath = os.path.join(self.alfdir,u"ignoblekey.py")
+                    defaultkeys = WineGetKeys(scriptpath, u".b64",dedrmprefs['adobewineprefix'])
 
             except:
-                print("{0} v{1}: Exception when getting default NOOK Study Key after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime))
+                print u"{0} v{1}: Exception when getting default NOOK Study Key after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime)
                 traceback.print_exc()
 
             newkeys = []
@@ -270,15 +270,15 @@ class DeDRM(FileTypePlugin):
             if len(newkeys) > 0:
                 try:
                     for i,userkey in enumerate(newkeys):
-                        print("{0} v{1}: Trying a new default key".format(PLUGIN_NAME, PLUGIN_VERSION))
+                        print u"{0} v{1}: Trying a new default key".format(PLUGIN_NAME, PLUGIN_VERSION)
 
-                        of = self.temporary_file(".epub")
+                        of = self.temporary_file(u".epub")
 
                         # Give the user key, ebook and TemporaryPersistent file to the decryption function.
                         try:
                             result = ignobleepub.decryptBook(userkey, inf.name, of.name)
                         except:
-                           print("{0} v{1}: Exception when trying to decrypt after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime))
+                           print u"{0} v{1}: Exception when trying to decrypt after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime)
                            traceback.print_exc()
                            result = 1
 
@@ -287,59 +287,59 @@ class DeDRM(FileTypePlugin):
                         if result == 0:
                             # Decryption was a success
                             # Store the new successful key in the defaults
-                            print("{0} v{1}: Saving a new default key".format(PLUGIN_NAME, PLUGIN_VERSION))
+                            print u"{0} v{1}: Saving a new default key".format(PLUGIN_NAME, PLUGIN_VERSION)
                             try:
                                 dedrmprefs.addnamedvaluetoprefs('bandnkeys','nook_Study_key',keyvalue)
                                 dedrmprefs.writeprefs()
-                                print("{0} v{1}: Saved a new default key after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION,time.time()-self.starttime))
+                                print u"{0} v{1}: Saved a new default key after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION,time.time()-self.starttime)
                             except:
-                                print("{0} v{1}: Exception saving a new default key after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime))
+                                print u"{0} v{1}: Exception saving a new default key after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime)
                                 traceback.print_exc()
                             # Return the modified PersistentTemporary file to calibre.
                             return of.name
 
-                        print("{0} v{1}: Failed to decrypt with new default key after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION,time.time()-self.starttime))
-                except Exception as e:
+                        print u"{0} v{1}: Failed to decrypt with new default key after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION,time.time()-self.starttime)
+                except Exception, e:
                     pass
 
-            print("{0} v{1}: Ultimately failed to decrypt after {2:.1f} seconds. Read the FAQs at Harper's repository: https://github.com/apprenticeharper/DeDRM_tools/blob/master/FAQs.md".format(PLUGIN_NAME, PLUGIN_VERSION,time.time()-self.starttime))
-            raise DeDRMError("{0} v{1}: Ultimately failed to decrypt after {2:.1f} seconds. Read the FAQs at Harper's repository: https://github.com/apprenticeharper/DeDRM_tools/blob/master/FAQs.md".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime))
+            print u"{0} v{1}: Ultimately failed to decrypt after {2:.1f} seconds. Read the FAQs at Harper's repository: https://github.com/apprenticeharper/DeDRM_tools/blob/master/FAQs.md".format(PLUGIN_NAME, PLUGIN_VERSION,time.time()-self.starttime)
+            raise DeDRMError(u"{0} v{1}: Ultimately failed to decrypt after {2:.1f} seconds. Read the FAQs at Harper's repository: https://github.com/apprenticeharper/DeDRM_tools/blob/master/FAQs.md".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime))
 
         # import the Adobe Adept ePub handler
         import calibre_plugins.dedrm.ineptepub as ineptepub
 
         if ineptepub.adeptBook(inf.name):
-            print("{0} v{1}: {2} is a secure Adobe Adept ePub".format(PLUGIN_NAME, PLUGIN_VERSION, os.path.basename(path_to_ebook)))
+            print u"{0} v{1}: {2} is a secure Adobe Adept ePub".format(PLUGIN_NAME, PLUGIN_VERSION, os.path.basename(path_to_ebook))
 
             # Attempt to decrypt epub with each encryption key (generated or provided).
             for keyname, userkeyhex in dedrmprefs['adeptkeys'].items():
-                userkey = codecs.decode(userkeyhex, 'hex')
-                print("{0} v{1}: Trying Encryption key {2:s}".format(PLUGIN_NAME, PLUGIN_VERSION, keyname))
-                of = self.temporary_file(".epub")
+                userkey = userkeyhex.decode('hex')
+                print u"{0} v{1}: Trying Encryption key {2:s}".format(PLUGIN_NAME, PLUGIN_VERSION, keyname)
+                of = self.temporary_file(u".epub")
 
                 # Give the user key, ebook and TemporaryPersistent file to the decryption function.
                 try:
                     result = ineptepub.decryptBook(userkey, inf.name, of.name)
                 except:
-                    print("{0} v{1}: Exception when decrypting after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime))
+                    print u"{0} v{1}: Exception when decrypting after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime)
                     traceback.print_exc()
                     result = 1
 
                 try:
                     of.close()
                 except:
-                    print("{0} v{1}: Exception closing temporary file after {2:.1f} seconds. Ignored.".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime))
+                    print u"{0} v{1}: Exception closing temporary file after {2:.1f} seconds. Ignored.".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime)
 
                 if  result == 0:
                     # Decryption was successful.
                     # Return the modified PersistentTemporary file to calibre.
-                    print("{0} v{1}: Decrypted with key {2:s} after {3:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION,keyname,time.time()-self.starttime))
+                    print u"{0} v{1}: Decrypted with key {2:s} after {3:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION,keyname,time.time()-self.starttime)
                     return of.name
 
-                print("{0} v{1}: Failed to decrypt with key {2:s} after {3:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION,keyname,time.time()-self.starttime))
+                print u"{0} v{1}: Failed to decrypt with key {2:s} after {3:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION,keyname,time.time()-self.starttime)
 
             # perhaps we need to get a new default ADE key
-            print("{0} v{1}: Looking for new default Adobe Digital Editions Keys after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime))
+            print u"{0} v{1}: Looking for new default Adobe Digital Editions Keys after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime)
 
             # get the default Adobe keys
             defaultkeys = []
@@ -350,33 +350,33 @@ class DeDRM(FileTypePlugin):
 
                     defaultkeys = adeptkeys()
                 else: # linux
-                    from .wineutils import WineGetKeys
+                    from wineutils import WineGetKeys
 
-                    scriptpath = os.path.join(self.alfdir,"adobekey.py")
-                    defaultkeys = WineGetKeys(scriptpath, ".der",dedrmprefs['adobewineprefix'])
+                    scriptpath = os.path.join(self.alfdir,u"adobekey.py")
+                    defaultkeys = WineGetKeys(scriptpath, u".der",dedrmprefs['adobewineprefix'])
 
                 self.default_key = defaultkeys[0]
             except:
-                print("{0} v{1}: Exception when getting default Adobe Key after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime))
+                print u"{0} v{1}: Exception when getting default Adobe Key after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime)
                 traceback.print_exc()
-                self.default_key = ""
+                self.default_key = u""
 
             newkeys = []
             for keyvalue in defaultkeys:
-                if codecs.encode(keyvalue, 'hex').decode('ascii') not in dedrmprefs['adeptkeys'].values():
+                if keyvalue.encode('hex') not in dedrmprefs['adeptkeys'].values():
                     newkeys.append(keyvalue)
 
             if len(newkeys) > 0:
                 try:
                     for i,userkey in enumerate(newkeys):
-                        print("{0} v{1}: Trying a new default key".format(PLUGIN_NAME, PLUGIN_VERSION))
-                        of = self.temporary_file(".epub")
+                        print u"{0} v{1}: Trying a new default key".format(PLUGIN_NAME, PLUGIN_VERSION)
+                        of = self.temporary_file(u".epub")
 
                         # Give the user key, ebook and TemporaryPersistent file to the decryption function.
                         try:
                             result = ineptepub.decryptBook(userkey, inf.name, of.name)
                         except:
-                            print("{0} v{1}: Exception when decrypting after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime))
+                            print u"{0} v{1}: Exception when decrypting after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime)
                             traceback.print_exc()
                             result = 1
 
@@ -385,32 +385,32 @@ class DeDRM(FileTypePlugin):
                         if  result == 0:
                             # Decryption was a success
                             # Store the new successful key in the defaults
-                            print("{0} v{1}: Saving a new default key".format(PLUGIN_NAME, PLUGIN_VERSION))
+                            print u"{0} v{1}: Saving a new default key".format(PLUGIN_NAME, PLUGIN_VERSION)
                             try:
-                                dedrmprefs.addnamedvaluetoprefs('adeptkeys','default_key',codecs.encode(keyvalue, 'hex').decode('ascii'))
+                                dedrmprefs.addnamedvaluetoprefs('adeptkeys','default_key',keyvalue.encode('hex'))
                                 dedrmprefs.writeprefs()
-                                print("{0} v{1}: Saved a new default key after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION,time.time()-self.starttime))
+                                print u"{0} v{1}: Saved a new default key after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION,time.time()-self.starttime)
                             except:
-                                print("{0} v{1}: Exception when saving a new default key after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime))
+                                print u"{0} v{1}: Exception when saving a new default key after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime)
                                 traceback.print_exc()
-                            print("{0} v{1}: Decrypted with new default key after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION,time.time()-self.starttime))
+                            print u"{0} v{1}: Decrypted with new default key after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION,time.time()-self.starttime)
                             # Return the modified PersistentTemporary file to calibre.
                             return of.name
 
-                        print("{0} v{1}: Failed to decrypt with new default key after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION,time.time()-self.starttime))
-                except Exception as e:
-                    print("{0} v{1}: Unexpected Exception trying a new default key after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime))
+                        print u"{0} v{1}: Failed to decrypt with new default key after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION,time.time()-self.starttime)
+                except Exception, e:
+                    print u"{0} v{1}: Unexpected Exception trying a new default key after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime)
                     traceback.print_exc()
                     pass
 
             # Something went wrong with decryption.
-            print("{0} v{1}: Ultimately failed to decrypt after {2:.1f} seconds. Read the FAQs at Harper's repository: https://github.com/apprenticeharper/DeDRM_tools/blob/master/FAQs.md".format(PLUGIN_NAME, PLUGIN_VERSION,time.time()-self.starttime))
-            raise DeDRMError("{0} v{1}: Ultimately failed to decrypt after {2:.1f} seconds. Read the FAQs at Harper's repository: https://github.com/apprenticeharper/DeDRM_tools/blob/master/FAQs.md".format(PLUGIN_NAME, PLUGIN_VERSION,time.time()-self.starttime))
+            print u"{0} v{1}: Ultimately failed to decrypt after {2:.1f} seconds. Read the FAQs at Harper's repository: https://github.com/apprenticeharper/DeDRM_tools/blob/master/FAQs.md".format(PLUGIN_NAME, PLUGIN_VERSION,time.time()-self.starttime)
+            raise DeDRMError(u"{0} v{1}: Ultimately failed to decrypt after {2:.1f} seconds. Read the FAQs at Harper's repository: https://github.com/apprenticeharper/DeDRM_tools/blob/master/FAQs.md".format(PLUGIN_NAME, PLUGIN_VERSION,time.time()-self.starttime))
 
         # Not a Barnes & Noble nor an Adobe Adept
         # Import the fixed epub.
-        print("{0} v{1}: “{2}” is neither an Adobe Adept nor a Barnes & Noble encrypted ePub".format(PLUGIN_NAME, PLUGIN_VERSION, os.path.basename(path_to_ebook)))
-        raise DeDRMError("{0} v{1}: Couldn't decrypt after {2:.1f} seconds. DRM free perhaps?".format(PLUGIN_NAME, PLUGIN_VERSION,time.time()-self.starttime))
+        print u"{0} v{1}: “{2}” is neither an Adobe Adept nor a Barnes & Noble encrypted ePub".format(PLUGIN_NAME, PLUGIN_VERSION, os.path.basename(path_to_ebook))
+        raise DeDRMError(u"{0} v{1}: Couldn't decrypt after {2:.1f} seconds. DRM free perhaps?".format(PLUGIN_NAME, PLUGIN_VERSION,time.time()-self.starttime))
 
     def PDFDecrypt(self,path_to_ebook):
         import calibre_plugins.dedrm.prefs as prefs
@@ -418,17 +418,17 @@ class DeDRM(FileTypePlugin):
 
         dedrmprefs = prefs.DeDRM_Prefs()
         # Attempt to decrypt epub with each encryption key (generated or provided).
-        print("{0} v{1}: {2} is a PDF ebook".format(PLUGIN_NAME, PLUGIN_VERSION, os.path.basename(path_to_ebook)))
+        print u"{0} v{1}: {2} is a PDF ebook".format(PLUGIN_NAME, PLUGIN_VERSION, os.path.basename(path_to_ebook))
         for keyname, userkeyhex in dedrmprefs['adeptkeys'].items():
             userkey = userkeyhex.decode('hex')
-            print("{0} v{1}: Trying Encryption key {2:s}".format(PLUGIN_NAME, PLUGIN_VERSION, keyname))
-            of = self.temporary_file(".pdf")
+            print u"{0} v{1}: Trying Encryption key {2:s}".format(PLUGIN_NAME, PLUGIN_VERSION, keyname)
+            of = self.temporary_file(u".pdf")
 
             # Give the user key, ebook and TemporaryPersistent file to the decryption function.
             try:
                 result = ineptpdf.decryptBook(userkey, path_to_ebook, of.name)
             except:
-                print("{0} v{1}: Exception when decrypting after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime))
+                print u"{0} v{1}: Exception when decrypting after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime)
                 traceback.print_exc()
                 result = 1
 
@@ -439,10 +439,10 @@ class DeDRM(FileTypePlugin):
                 # Return the modified PersistentTemporary file to calibre.
                 return of.name
 
-            print("{0} v{1}: Failed to decrypt with key {2:s} after {3:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION,keyname,time.time()-self.starttime))
+            print u"{0} v{1}: Failed to decrypt with key {2:s} after {3:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION,keyname,time.time()-self.starttime)
 
         # perhaps we need to get a new default ADE key
-        print("{0} v{1}: Looking for new default Adobe Digital Editions Keys after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime))
+        print u"{0} v{1}: Looking for new default Adobe Digital Editions Keys after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime)
 
         # get the default Adobe keys
         defaultkeys = []
@@ -453,16 +453,16 @@ class DeDRM(FileTypePlugin):
 
                 defaultkeys = adeptkeys()
             else: # linux
-                from .wineutils import WineGetKeys
+                from wineutils import WineGetKeys
 
-                scriptpath = os.path.join(self.alfdir,"adobekey.py")
-                defaultkeys = WineGetKeys(scriptpath, ".der",dedrmprefs['adobewineprefix'])
+                scriptpath = os.path.join(self.alfdir,u"adobekey.py")
+                defaultkeys = WineGetKeys(scriptpath, u".der",dedrmprefs['adobewineprefix'])
 
             self.default_key = defaultkeys[0]
         except:
-            print("{0} v{1}: Exception when getting default Adobe Key after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime))
+            print u"{0} v{1}: Exception when getting default Adobe Key after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime)
             traceback.print_exc()
-            self.default_key = ""
+            self.default_key = u""
 
         newkeys = []
         for keyvalue in defaultkeys:
@@ -472,14 +472,14 @@ class DeDRM(FileTypePlugin):
         if len(newkeys) > 0:
             try:
                 for i,userkey in enumerate(newkeys):
-                    print("{0} v{1}: Trying a new default key".format(PLUGIN_NAME, PLUGIN_VERSION))
-                    of = self.temporary_file(".pdf")
+                    print u"{0} v{1}: Trying a new default key".format(PLUGIN_NAME, PLUGIN_VERSION)
+                    of = self.temporary_file(u".pdf")
 
                     # Give the user key, ebook and TemporaryPersistent file to the decryption function.
                     try:
                         result = ineptpdf.decryptBook(userkey, path_to_ebook, of.name)
                     except:
-                        print("{0} v{1}: Exception when decrypting after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime))
+                        print u"{0} v{1}: Exception when decrypting after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime)
                         traceback.print_exc()
                         result = 1
 
@@ -488,24 +488,24 @@ class DeDRM(FileTypePlugin):
                     if  result == 0:
                         # Decryption was a success
                         # Store the new successful key in the defaults
-                        print("{0} v{1}: Saving a new default key".format(PLUGIN_NAME, PLUGIN_VERSION))
+                        print u"{0} v{1}: Saving a new default key".format(PLUGIN_NAME, PLUGIN_VERSION)
                         try:
                             dedrmprefs.addnamedvaluetoprefs('adeptkeys','default_key',keyvalue.encode('hex'))
                             dedrmprefs.writeprefs()
-                            print("{0} v{1}: Saved a new default key after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION,time.time()-self.starttime))
+                            print u"{0} v{1}: Saved a new default key after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION,time.time()-self.starttime)
                         except:
-                            print("{0} v{1}: Exception when saving a new default key after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime))
+                            print u"{0} v{1}: Exception when saving a new default key after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime)
                             traceback.print_exc()
                         # Return the modified PersistentTemporary file to calibre.
                         return of.name
 
-                    print("{0} v{1}: Failed to decrypt with new default key after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION,time.time()-self.starttime))
-            except Exception as e:
+                    print u"{0} v{1}: Failed to decrypt with new default key after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION,time.time()-self.starttime)
+            except Exception, e:
                 pass
 
         # Something went wrong with decryption.
-        print("{0} v{1}: Ultimately failed to decrypt after {2:.1f} seconds. Read the FAQs at Harper's repository: https://github.com/apprenticeharper/DeDRM_tools/blob/master/FAQs.md".format(PLUGIN_NAME, PLUGIN_VERSION,time.time()-self.starttime))
-        raise DeDRMError("{0} v{1}: Ultimately failed to decrypt after {2:.1f} seconds. Read the FAQs at Harper's repository: https://github.com/apprenticeharper/DeDRM_tools/blob/master/FAQs.md".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime))
+        print u"{0} v{1}: Ultimately failed to decrypt after {2:.1f} seconds. Read the FAQs at Harper's repository: https://github.com/apprenticeharper/DeDRM_tools/blob/master/FAQs.md".format(PLUGIN_NAME, PLUGIN_VERSION,time.time()-self.starttime)
+        raise DeDRMError(u"{0} v{1}: Ultimately failed to decrypt after {2:.1f} seconds. Read the FAQs at Harper's repository: https://github.com/apprenticeharper/DeDRM_tools/blob/master/FAQs.md".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime))
 
 
     def KindleMobiDecrypt(self,path_to_ebook):
@@ -527,16 +527,16 @@ class DeDRM(FileTypePlugin):
             serials.extend(android_serials_list)
         #print serials
         androidFiles = []
-        kindleDatabases = list(dedrmprefs['kindlekeys'].items())
+        kindleDatabases = dedrmprefs['kindlekeys'].items()
 
         try:
             book = k4mobidedrm.GetDecryptedBook(path_to_ebook,kindleDatabases,androidFiles,serials,pids,self.starttime)
-        except Exception as e:
+        except Exception, e:
             decoded = False
             # perhaps we need to get a new default Kindle for Mac/PC key
             defaultkeys = []
-            print("{0} v{1}: Failed to decrypt with error: {2}".format(PLUGIN_NAME, PLUGIN_VERSION,e.args[0]))
-            print("{0} v{1}: Looking for new default Kindle Key after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime))
+            print u"{0} v{1}: Failed to decrypt with error: {2}".format(PLUGIN_NAME, PLUGIN_VERSION,e.args[0])
+            print u"{0} v{1}: Looking for new default Kindle Key after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime)
 
             try:
                 if iswindows or isosx:
@@ -544,36 +544,36 @@ class DeDRM(FileTypePlugin):
 
                     defaultkeys = kindlekeys()
                 else: # linux
-                    from .wineutils import WineGetKeys
+                    from wineutils import WineGetKeys
 
-                    scriptpath = os.path.join(self.alfdir,"kindlekey.py")
-                    defaultkeys = WineGetKeys(scriptpath, ".k4i",dedrmprefs['kindlewineprefix'])
+                    scriptpath = os.path.join(self.alfdir,u"kindlekey.py")
+                    defaultkeys = WineGetKeys(scriptpath, u".k4i",dedrmprefs['kindlewineprefix'])
             except:
-                print("{0} v{1}: Exception when getting default Kindle Key after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime))
+                print u"{0} v{1}: Exception when getting default Kindle Key after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime)
                 traceback.print_exc()
                 pass
 
             newkeys = {}
             for i,keyvalue in enumerate(defaultkeys):
-                keyname = "default_key_{0:d}".format(i+1)
+                keyname = u"default_key_{0:d}".format(i+1)
                 if keyvalue not in dedrmprefs['kindlekeys'].values():
                     newkeys[keyname] = keyvalue
             if len(newkeys) > 0:
-                print("{0} v{1}: Found {2} new {3}".format(PLUGIN_NAME, PLUGIN_VERSION, len(newkeys), "key" if len(newkeys)==1 else "keys"))
+                print u"{0} v{1}: Found {2} new {3}".format(PLUGIN_NAME, PLUGIN_VERSION, len(newkeys), u"key" if len(newkeys)==1 else u"keys")
                 try:
-                    book = k4mobidedrm.GetDecryptedBook(path_to_ebook,list(newkeys.items()),[],[],[],self.starttime)
+                    book = k4mobidedrm.GetDecryptedBook(path_to_ebook,newkeys.items(),[],[],[],self.starttime)
                     decoded = True
                     # store the new successful keys in the defaults
-                    print("{0} v{1}: Saving {2} new {3}".format(PLUGIN_NAME, PLUGIN_VERSION, len(newkeys), "key" if len(newkeys)==1 else "keys"))
+                    print u"{0} v{1}: Saving {2} new {3}".format(PLUGIN_NAME, PLUGIN_VERSION, len(newkeys), u"key" if len(newkeys)==1 else u"keys")
                     for keyvalue in newkeys.values():
                         dedrmprefs.addnamedvaluetoprefs('kindlekeys','default_key',keyvalue)
                     dedrmprefs.writeprefs()
-                except Exception as e:
+                except Exception, e:
                     pass
             if not decoded:
                 #if you reached here then no luck raise and exception
-                print("{0} v{1}: Ultimately failed to decrypt after {2:.1f} seconds. Read the FAQs at Harper's repository: https://github.com/apprenticeharper/DeDRM_tools/blob/master/FAQs.md".format(PLUGIN_NAME, PLUGIN_VERSION,time.time()-self.starttime))
-                raise DeDRMError("{0} v{1}: Ultimately failed to decrypt after {2:.1f} seconds. Read the FAQs at Harper's repository: https://github.com/apprenticeharper/DeDRM_tools/blob/master/FAQs.md".format(PLUGIN_NAME, PLUGIN_VERSION,time.time()-self.starttime))
+                print u"{0} v{1}: Ultimately failed to decrypt after {2:.1f} seconds. Read the FAQs at Harper's repository: https://github.com/apprenticeharper/DeDRM_tools/blob/master/FAQs.md".format(PLUGIN_NAME, PLUGIN_VERSION,time.time()-self.starttime)
+                raise DeDRMError(u"{0} v{1}: Ultimately failed to decrypt after {2:.1f} seconds. Read the FAQs at Harper's repository: https://github.com/apprenticeharper/DeDRM_tools/blob/master/FAQs.md".format(PLUGIN_NAME, PLUGIN_VERSION,time.time()-self.starttime))
 
         of = self.temporary_file(book.getBookExtension())
         book.getFile(of.name)
@@ -590,9 +590,9 @@ class DeDRM(FileTypePlugin):
         dedrmprefs = prefs.DeDRM_Prefs()
         # Attempt to decrypt epub with each encryption key (generated or provided).
         for keyname, userkey in dedrmprefs['ereaderkeys'].items():
-            keyname_masked = "".join(("X" if (x.isdigit()) else x) for x in keyname)
-            print("{0} v{1}: Trying Encryption key {2:s}".format(PLUGIN_NAME, PLUGIN_VERSION, keyname_masked))
-            of = self.temporary_file(".pmlz")
+            keyname_masked = u"".join((u'X' if (x.isdigit()) else x) for x in keyname)
+            print u"{0} v{1}: Trying Encryption key {2:s}".format(PLUGIN_NAME, PLUGIN_VERSION, keyname_masked)
+            of = self.temporary_file(u".pmlz")
 
             # Give the userkey, ebook and TemporaryPersistent file to the decryption function.
             result = erdr2pml.decryptBook(path_to_ebook, of.name, True, userkey.decode('hex'))
@@ -602,13 +602,13 @@ class DeDRM(FileTypePlugin):
             # Decryption was successful return the modified PersistentTemporary
             # file to Calibre's import process.
             if  result == 0:
-                print("{0} v{1}: Successfully decrypted with key {2:s} after {3:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION,keyname_masked,time.time()-self.starttime))
+                print u"{0} v{1}: Successfully decrypted with key {2:s} after {3:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION,keyname_masked,time.time()-self.starttime)
                 return of.name
 
-            print("{0} v{1}: Failed to decrypt with key {2:s} after {3:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION,keyname_masked,time.time()-self.starttime))
+            print u"{0} v{1}: Failed to decrypt with key {2:s} after {3:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION,keyname_masked,time.time()-self.starttime)
 
-        print("{0} v{1}: Ultimately failed to decrypt after {2:.1f} seconds. Read the FAQs at Harper's repository: https://github.com/apprenticeharper/DeDRM_tools/blob/master/FAQs.md".format(PLUGIN_NAME, PLUGIN_VERSION,time.time()-self.starttime))
-        raise DeDRMError("{0} v{1}: Ultimately failed to decrypt after {2:.1f} seconds. Read the FAQs at Harper's repository: https://github.com/apprenticeharper/DeDRM_tools/blob/master/FAQs.md".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime))
+        print u"{0} v{1}: Ultimately failed to decrypt after {2:.1f} seconds. Read the FAQs at Harper's repository: https://github.com/apprenticeharper/DeDRM_tools/blob/master/FAQs.md".format(PLUGIN_NAME, PLUGIN_VERSION,time.time()-self.starttime)
+        raise DeDRMError(u"{0} v{1}: Ultimately failed to decrypt after {2:.1f} seconds. Read the FAQs at Harper's repository: https://github.com/apprenticeharper/DeDRM_tools/blob/master/FAQs.md".format(PLUGIN_NAME, PLUGIN_VERSION, time.time()-self.starttime))
 
 
     def run(self, path_to_ebook):
@@ -617,7 +617,7 @@ class DeDRM(FileTypePlugin):
         sys.stdout=SafeUnbuffered(sys.stdout)
         sys.stderr=SafeUnbuffered(sys.stderr)
 
-        print("{0} v{1}: Trying to decrypt {2}".format(PLUGIN_NAME, PLUGIN_VERSION, os.path.basename(path_to_ebook)))
+        print u"{0} v{1}: Trying to decrypt {2}".format(PLUGIN_NAME, PLUGIN_VERSION, os.path.basename(path_to_ebook))
         self.starttime = time.time()
 
         booktype = os.path.splitext(path_to_ebook)[1].lower()[1:]
@@ -636,9 +636,9 @@ class DeDRM(FileTypePlugin):
             # Adobe Adept or B&N ePub
             decrypted_ebook = self.ePubDecrypt(path_to_ebook)
         else:
-            print("Unknown booktype {0}. Passing back to calibre unchanged".format(booktype))
+            print u"Unknown booktype {0}. Passing back to calibre unchanged".format(booktype)
             return path_to_ebook
-        print("{0} v{1}: Finished after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION,time.time()-self.starttime))
+        print u"{0} v{1}: Finished after {2:.1f} seconds".format(PLUGIN_NAME, PLUGIN_VERSION,time.time()-self.starttime)
         return decrypted_ebook
 
     def is_customizable(self):

DeDRM_plugin/activitybar.py

@@ -1,12 +1,12 @@
 import sys
-import tkinter
-import tkinter.constants
+import Tkinter
+import Tkconstants
 
-class ActivityBar(tkinter.Frame):
+class ActivityBar(Tkinter.Frame):
 
     def __init__(self, master, length=300, height=20, barwidth=15, interval=50, bg='white', fillcolor='orchid1',\
-                 bd=2, relief=tkinter.constants.GROOVE, *args, **kw):
-        tkinter.Frame.__init__(self, master, bg=bg, width=length, height=height, *args, **kw)
+                 bd=2, relief=Tkconstants.GROOVE, *args, **kw):
+        Tkinter.Frame.__init__(self, master, bg=bg, width=length, height=height, *args, **kw)
         self._master = master
         self._interval = interval
         self._maximum = length
@@ -20,7 +20,7 @@ class ActivityBar(tkinter.Frame):
             stopx = self._maximum
         # self._canv = Tkinter.Canvas(self, bg=self['bg'], width=self['width'], height=self['height'],\
         #                             highlightthickness=0, relief='flat', bd=0)
-        self._canv = tkinter.Canvas(self, bg=self['bg'], width=self['width'], height=self['height'],\
+        self._canv = Tkinter.Canvas(self, bg=self['bg'], width=self['width'], height=self['height'],\
                                     highlightthickness=0, relief=relief, bd=bd)
         self._canv.pack(fill='both', expand=1)
         self._rect = self._canv.create_rectangle(0, 0, self._canv.winfo_reqwidth(), self._canv.winfo_reqheight(), fill=fillcolor, width=0)

DeDRM_plugin/adobekey.py

@@ -1,12 +1,32 @@
-#!/usr/bin/env python3
+#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
+from __future__ import with_statement
+
 # adobekey.pyw, version 6.0
-# Copyright © 2009-2020 i♥cabbages, Apprentice Harper et al.
+# Copyright © 2009-2010 i♥cabbages
 
 # Released under the terms of the GNU General Public Licence, version 3
 # <http://www.gnu.org/licenses/>
 
+# Modified 2010–2016 by several people
+
+# Windows users: Before running this program, you must first install Python.
+#   We recommend ActiveState Python 2.7.X for Windows (x86) from
+#   http://www.activestate.com/activepython/downloads.
+#   You must also install PyCrypto from
+#   http://www.voidspace.org.uk/python/modules.shtml#pycrypto
+#   (make certain to install the version for Python 2.7).
+#   Then save this script file as adobekey.pyw and double-click on it to run it.
+#   It will create a file named adobekey_1.der in in the same directory as the script.
+#   This is your Adobe Digital Editions user key.
+#
+# Mac OS X users: Save this script file as adobekey.pyw.  You can run this
+#   program from the command line (python adobekey.pyw) or by double-clicking
+#   it when it has been associated with PythonLauncher.  It will create a file
+#   named adobekey_1.der in the same directory as the script.
+#   This is your Adobe Digital Editions user key.
+
 # Revision history:
 #   1 - Initial release, for Adobe Digital Editions 1.7
 #   2 - Better algorithm for finding pLK; improved error handling
@@ -28,18 +48,16 @@
 #   5.8 - Added getkey interface for Windows DeDRM application
 #   5.9 - moved unicode_argv call inside main for Windows DeDRM compatibility
 #   6.0 - Work if TkInter is missing
-#   7.0 - Python 3 for calibre 5
 
 """
 Retrieve Adobe ADEPT user key.
 """
+from __future__ import print_function
 
 __license__ = 'GPL v3'
-__version__ = '7.0'
+__version__ = '6.0'
 
 import sys, os, struct, getopt
-from base64 import b64decode
-
 
 # Wrap a stream so that output gets flushed immediately
 # and also make sure that any unicode strings get
@@ -51,11 +69,10 @@ class SafeUnbuffered:
         if self.encoding == None:
             self.encoding = "utf-8"
     def write(self, data):
-        if isinstance(data, str):
+        if isinstance(data,unicode):
             data = data.encode(self.encoding,"replace")
-        self.stream.buffer.write(data)
-        self.stream.buffer.flush()
-
+        self.stream.write(data)
+        self.stream.flush()
     def __getattr__(self, attr):
         return getattr(self.stream, attr)
 
@@ -93,13 +110,15 @@ def unicode_argv():
             # Remove Python executable and commands if present
             start = argc.value - len(sys.argv)
             return [argv[i] for i in
-                    range(start, argc.value)]
+                    xrange(start, argc.value)]
         # if we don't have any arguments at all, just pass back script name
         # this should never happen
-        return ["adobekey.py"]
+        return [u"adobekey.py"]
     else:
-        argvencoding = sys.stdin.encoding or "utf-8"
-        return [arg if isinstance(arg, str) else str(arg, argvencoding) for arg in sys.argv]
+        argvencoding = sys.stdin.encoding
+        if argvencoding == None:
+            argvencoding = "utf-8"
+        return [arg if (type(arg) == unicode) else unicode(arg,argvencoding) for arg in sys.argv]
 
 class ADEPTError(Exception):
     pass
@@ -111,7 +130,7 @@ if iswindows:
         c_long, c_ulong
 
     from ctypes.wintypes import LPVOID, DWORD, BOOL
-    import winreg
+    import _winreg as winreg
 
     def _load_crypto_libcrypto():
         from ctypes.util import find_library
@@ -149,7 +168,7 @@ if iswindows:
                     raise ADEPTError('Failed to initialize AES key')
             def decrypt(self, data):
                 out = create_string_buffer(len(data))
-                iv = (b"\x00" * self._blocksize)
+                iv = ("\x00" * self._blocksize)
                 rv = AES_cbc_encrypt(data, out, len(data), self._key, iv, 0)
                 if rv == 0:
                     raise ADEPTError('AES decryption failed')
@@ -160,7 +179,7 @@ if iswindows:
         from Crypto.Cipher import AES as _AES
         class AES(object):
             def __init__(self, key):
-                self._aes = _AES.new(key, _AES.MODE_CBC, b'\x00'*16)
+                self._aes = _AES.new(key, _AES.MODE_CBC, '\x00'*16)
             def decrypt(self, data):
                 return self._aes.decrypt(data)
         return AES
@@ -268,44 +287,44 @@ if iswindows:
 
     if struct.calcsize("P") == 4:
         CPUID0_INSNS = (
-            b"\x53"             # push   %ebx
-            b"\x31\xc0"         # xor    %eax,%eax
-            b"\x0f\xa2"         # cpuid
-            b"\x8b\x44\x24\x08" # mov    0x8(%esp),%eax
-            b"\x89\x18"         # mov    %ebx,0x0(%eax)
-            b"\x89\x50\x04"     # mov    %edx,0x4(%eax)
-            b"\x89\x48\x08"     # mov    %ecx,0x8(%eax)
-            b"\x5b"             # pop    %ebx
-            b"\xc3"             # ret
+            "\x53"             # push   %ebx
+            "\x31\xc0"         # xor    %eax,%eax
+            "\x0f\xa2"         # cpuid
+            "\x8b\x44\x24\x08" # mov    0x8(%esp),%eax
+            "\x89\x18"         # mov    %ebx,0x0(%eax)
+            "\x89\x50\x04"     # mov    %edx,0x4(%eax)
+            "\x89\x48\x08"     # mov    %ecx,0x8(%eax)
+            "\x5b"             # pop    %ebx
+            "\xc3"             # ret
         )
         CPUID1_INSNS = (
-            b"\x53"             # push   %ebx
-            b"\x31\xc0"         # xor    %eax,%eax
-            b"\x40"             # inc    %eax
-            b"\x0f\xa2"         # cpuid
-            b"\x5b"             # pop    %ebx
-            b"\xc3"             # ret
+            "\x53"             # push   %ebx
+            "\x31\xc0"         # xor    %eax,%eax
+            "\x40"             # inc    %eax
+            "\x0f\xa2"         # cpuid
+            "\x5b"             # pop    %ebx
+            "\xc3"             # ret
         )
     else:
         CPUID0_INSNS = (
-            b"\x49\x89\xd8"     # mov    %rbx,%r8
-            b"\x49\x89\xc9"     # mov    %rcx,%r9
-            b"\x48\x31\xc0"     # xor    %rax,%rax
-            b"\x0f\xa2"         # cpuid
-            b"\x4c\x89\xc8"     # mov    %r9,%rax
-            b"\x89\x18"         # mov    %ebx,0x0(%rax)
-            b"\x89\x50\x04"     # mov    %edx,0x4(%rax)
-            b"\x89\x48\x08"     # mov    %ecx,0x8(%rax)
-            b"\x4c\x89\xc3"     # mov    %r8,%rbx
-            b"\xc3"             # retq
+            "\x49\x89\xd8"     # mov    %rbx,%r8
+            "\x49\x89\xc9"     # mov    %rcx,%r9
+            "\x48\x31\xc0"     # xor    %rax,%rax
+            "\x0f\xa2"         # cpuid
+            "\x4c\x89\xc8"     # mov    %r9,%rax
+            "\x89\x18"         # mov    %ebx,0x0(%rax)
+            "\x89\x50\x04"     # mov    %edx,0x4(%rax)
+            "\x89\x48\x08"     # mov    %ecx,0x8(%rax)
+            "\x4c\x89\xc3"     # mov    %r8,%rbx
+            "\xc3"             # retq
         )
         CPUID1_INSNS = (
-            b"\x53"             # push   %rbx
-            b"\x48\x31\xc0"     # xor    %rax,%rax
-            b"\x48\xff\xc0"     # inc    %rax
-            b"\x0f\xa2"         # cpuid
-            b"\x5b"             # pop    %rbx
-            b"\xc3"             # retq
+            "\x53"             # push   %rbx
+            "\x48\x31\xc0"     # xor    %rax,%rax
+            "\x48\xff\xc0"     # inc    %rax
+            "\x0f\xa2"         # cpuid
+            "\x5b"             # pop    %rbx
+            "\xc3"             # retq
         )
 
     def cpuid0():
@@ -364,7 +383,7 @@ if iswindows:
             plkroot = winreg.OpenKey(cuser, PRIVATE_LICENCE_KEY_PATH)
         except WindowsError:
             raise ADEPTError("Could not locate ADE activation")
-        for i in range(0, 16):
+        for i in xrange(0, 16):
             try:
                 plkparent = winreg.OpenKey(plkroot, "%04d" % (i,))
             except WindowsError:
@@ -372,7 +391,7 @@ if iswindows:
             ktype = winreg.QueryValueEx(plkparent, None)[0]
             if ktype != 'credentials':
                 continue
-            for j in range(0, 16):
+            for j in xrange(0, 16):
                 try:
                     plkkey = winreg.OpenKey(plkparent, "%04d" % (j,))
                 except WindowsError:
@@ -381,15 +400,15 @@ if iswindows:
                 if ktype != 'privateLicenseKey':
                     continue
                 userkey = winreg.QueryValueEx(plkkey, 'value')[0]
-                userkey = b64decode(userkey)
+                userkey = userkey.decode('base64')
                 aes = AES(keykey)
                 userkey = aes.decrypt(userkey)
-                userkey = userkey[26:-ord(userkey[-1:])]
+                userkey = userkey[26:-ord(userkey[-1])]
                 #print "found key:",userkey.encode('hex')
                 keys.append(userkey)
         if len(keys) == 0:
             raise ADEPTError('Could not locate privateLicenseKey')
-        print("Found {0:d} keys".format(len(keys)))
+        print(u"Found {0:d} keys".format(len(keys)))
         return keys
 
 
@@ -409,12 +428,12 @@ elif isosx:
         cmdline = cmdline.encode(sys.getfilesystemencoding())
         p2 = subprocess.Popen(cmdline, shell=True, stdin=None, stdout=subprocess.PIPE, stderr=subprocess.PIPE, close_fds=False)
         out1, out2 = p2.communicate()
-        reslst = out1.split(b'\n')
+        reslst = out1.split('\n')
         cnt = len(reslst)
-        ActDatPath = b"activation.dat"
-        for j in range(cnt):
+        ActDatPath = "activation.dat"
+        for j in xrange(cnt):
             resline = reslst[j]
-            pp = resline.find(b'activation.dat')
+            pp = resline.find('activation.dat')
             if pp >= 0:
                 ActDatPath = resline
                 break
@@ -430,7 +449,7 @@ elif isosx:
         adept = lambda tag: '{%s}%s' % (NSMAP['adept'], tag)
         expr = '//%s/%s' % (adept('credentials'), adept('privateLicenseKey'))
         userkey = tree.findtext(expr)
-        userkey = b64decode(userkey)
+        userkey = userkey.decode('base64')
         userkey = userkey[26:]
         return [userkey]
 
@@ -445,41 +464,41 @@ def getkey(outpath):
     if len(keys) > 0:
         if not os.path.isdir(outpath):
             outfile = outpath
-            with open(outfile, 'wb') as keyfileout:
+            with file(outfile, 'wb') as keyfileout:
                 keyfileout.write(keys[0])
-            print("Saved a key to {0}".format(outfile))
+            print(u"Saved a key to {0}".format(outfile))
         else:
             keycount = 0
             for key in keys:
                 while True:
                     keycount += 1
-                    outfile = os.path.join(outpath,"adobekey_{0:d}.der".format(keycount))
+                    outfile = os.path.join(outpath,u"adobekey_{0:d}.der".format(keycount))
                     if not os.path.exists(outfile):
                         break
-                with open(outfile, 'wb') as keyfileout:
+                with file(outfile, 'wb') as keyfileout:
                     keyfileout.write(key)
-                print("Saved a key to {0}".format(outfile))
+                print(u"Saved a key to {0}".format(outfile))
         return True
     return False
 
 def usage(progname):
-    print("Finds, decrypts and saves the default Adobe Adept encryption key(s).")
-    print("Keys are saved to the current directory, or a specified output directory.")
-    print("If a file name is passed instead of a directory, only the first key is saved, in that file.")
-    print("Usage:")
-    print("    {0:s} [-h] [<outpath>]".format(progname))
+    print(u"Finds, decrypts and saves the default Adobe Adept encryption key(s).")
+    print(u"Keys are saved to the current directory, or a specified output directory.")
+    print(u"If a file name is passed instead of a directory, only the first key is saved, in that file.")
+    print(u"Usage:")
+    print(u"    {0:s} [-h] [<outpath>]".format(progname))
 
 def cli_main():
     sys.stdout=SafeUnbuffered(sys.stdout)
     sys.stderr=SafeUnbuffered(sys.stderr)
     argv=unicode_argv()
     progname = os.path.basename(argv[0])
-    print("{0} v{1}\nCopyright © 2009-2020 i♥cabbages, Apprentice Harper et al.".format(progname,__version__))
+    print(u"{0} v{1}\nCopyright © 2009-2013 i♥cabbages and Apprentice Alf".format(progname,__version__))
 
     try:
         opts, args = getopt.getopt(argv[1:], "h")
-    except getopt.GetoptError as err:
-        print("Error in options or arguments: {0}".format(err.args[0]))
+    except getopt.GetoptError, err:
+        print(u"Error in options or arguments: {0}".format(err.args[0]))
         usage(progname)
         sys.exit(2)
 
@@ -508,48 +527,48 @@ def cli_main():
     if len(keys) > 0:
         if not os.path.isdir(outpath):
             outfile = outpath
-            with open(outfile, 'wb') as keyfileout:
+            with file(outfile, 'wb') as keyfileout:
                 keyfileout.write(keys[0])
-            print("Saved a key to {0}".format(outfile))
+            print(u"Saved a key to {0}".format(outfile))
         else:
             keycount = 0
             for key in keys:
                 while True:
                     keycount += 1
-                    outfile = os.path.join(outpath,"adobekey_{0:d}.der".format(keycount))
+                    outfile = os.path.join(outpath,u"adobekey_{0:d}.der".format(keycount))
                     if not os.path.exists(outfile):
                         break
-                with open(outfile, 'wb') as keyfileout:
+                with file(outfile, 'wb') as keyfileout:
                     keyfileout.write(key)
-                print("Saved a key to {0}".format(outfile))
+                print(u"Saved a key to {0}".format(outfile))
     else:
-        print("Could not retrieve Adobe Adept key.")
+        print(u"Could not retrieve Adobe Adept key.")
     return 0
 
 
 def gui_main():
     try:
-        import tkinter
-        import tkinter.constants
-        import tkinter.messagebox
+        import Tkinter
+        import Tkconstants
+        import tkMessageBox
         import traceback
     except:
         return cli_main()
 
-    class ExceptionDialog(tkinter.Frame):
+    class ExceptionDialog(Tkinter.Frame):
         def __init__(self, root, text):
-            tkinter.Frame.__init__(self, root, border=5)
-            label = tkinter.Label(self, text="Unexpected error:",
-                                  anchor=tkinter.constants.W, justify=tkinter.constants.LEFT)
-            label.pack(fill=tkinter.constants.X, expand=0)
-            self.text = tkinter.Text(self)
-            self.text.pack(fill=tkinter.constants.BOTH, expand=1)
+            Tkinter.Frame.__init__(self, root, border=5)
+            label = Tkinter.Label(self, text=u"Unexpected error:",
+                                  anchor=Tkconstants.W, justify=Tkconstants.LEFT)
+            label.pack(fill=Tkconstants.X, expand=0)
+            self.text = Tkinter.Text(self)
+            self.text.pack(fill=Tkconstants.BOTH, expand=1)
 
-            self.text.insert(tkinter.constants.END, text)
+            self.text.insert(Tkconstants.END, text)
 
 
     argv=unicode_argv()
-    root = tkinter.Tk()
+    root = Tkinter.Tk()
     root.withdraw()
     progpath, progname = os.path.split(argv[0])
     success = False
@@ -559,21 +578,21 @@ def gui_main():
         for key in keys:
             while True:
                 keycount += 1
-                outfile = os.path.join(progpath,"adobekey_{0:d}.der".format(keycount))
+                outfile = os.path.join(progpath,u"adobekey_{0:d}.der".format(keycount))
                 if not os.path.exists(outfile):
                     break
 
-            with open(outfile, 'wb') as keyfileout:
+            with file(outfile, 'wb') as keyfileout:
                 keyfileout.write(key)
             success = True
-            tkinter.messagebox.showinfo(progname, "Key successfully retrieved to {0}".format(outfile))
-    except ADEPTError as e:
-        tkinter.messagebox.showerror(progname, "Error: {0}".format(str(e)))
+            tkMessageBox.showinfo(progname, u"Key successfully retrieved to {0}".format(outfile))
+    except ADEPTError, e:
+        tkMessageBox.showerror(progname, u"Error: {0}".format(str(e)))
     except Exception:
         root.wm_state('normal')
         root.title(progname)
         text = traceback.format_exc()
-        ExceptionDialog(root, text).pack(fill=tkinter.constants.BOTH, expand=1)
+        ExceptionDialog(root, text).pack(fill=Tkconstants.BOTH, expand=1)
         root.mainloop()
     if not success:
         return 1

DeDRM_plugin/aescbc.py

@@ -1,5 +1,4 @@
-#!/usr/bin/env python3
-# -*- coding: utf-8 -*-
+#! /usr/bin/env python
 
 """
     Routines for doing AES CBC in one file
@@ -14,8 +13,6 @@
     CryptoPy Artisitic License Version 1.0
     See the wonderful pure python package cryptopy-1.2.5
     and read its LICENSE.txt for complete license details.
-
-    Adjusted for Python 3, September 2020
 """
 
 class CryptoError(Exception):
@@ -104,7 +101,7 @@ class BlockCipher:
         numBlocks, numExtraBytes = divmod(len(self.bytesToDecrypt), self.blockSize)
         if more == None:  # no more calls to decrypt, should have all the data
             if numExtraBytes  != 0:
-                raise DecryptNotBlockAlignedError('Data not block aligned on decrypt')
+                raise DecryptNotBlockAlignedError, 'Data not block aligned on decrypt'
 
         # hold back some bytes in case last decrypt has zero len
         if (more != None) and (numExtraBytes == 0) and (numBlocks >0) :
@@ -146,7 +143,7 @@ class padWithPadLen(Pad):
     def removePad(self, paddedBinaryString, blockSize):
         """ Remove padding from a binary string """
         if not(0<len(paddedBinaryString)):
-            raise DecryptNotBlockAlignedError('Expected More Data')
+            raise DecryptNotBlockAlignedError, 'Expected More Data'
         return paddedBinaryString[:-ord(paddedBinaryString[-1])]
 
 class noPadding(Pad):
@@ -176,8 +173,8 @@ class Rijndael(BlockCipher):
         self.blockSize  = blockSize  # blockSize is in bytes
         self.padding    = padding    # change default to noPadding() to get normal ECB behavior
 
-        assert( keySize%4==0 and keySize/4 in NrTable[4]),'key size must be 16,20,24,29 or 32 bytes'
-        assert( blockSize%4==0 and blockSize/4 in NrTable), 'block size must be 16,20,24,29 or 32 bytes'
+        assert( keySize%4==0 and NrTable[4].has_key(keySize/4)),'key size must be 16,20,24,29 or 32 bytes'
+        assert( blockSize%4==0 and NrTable.has_key(blockSize/4)), 'block size must be 16,20,24,29 or 32 bytes'
 
         self.Nb = self.blockSize/4          # Nb is number of columns of 32 bit words
         self.Nk = keySize/4                 # Nk is the key length in 32-bit words
@@ -454,7 +451,7 @@ class AES(Rijndael):
     def __init__(self, key = None, padding = padWithPadLen(), keySize=16):
         """ Initialize AES, keySize is in bytes """
         if  not (keySize == 16 or keySize == 24 or keySize == 32) :
-            raise BadKeySizeError('Illegal AES key size, must be 16, 24, or 32 bytes')
+            raise BadKeySizeError, 'Illegal AES key size, must be 16, 24, or 32 bytes'
 
         Rijndael.__init__( self, key, padding=padding, keySize=keySize, blockSize=16 )
 

DeDRM_plugin/alfcrypto.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python3
+#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
 # crypto library mainly by some_updates
@@ -8,6 +8,7 @@
 # pbkdf2.py Copyright © 2009 Daniel Holth <dholth@fastmail.fm>
 # pbkdf2.py This code may be freely used and modified for any purpose.
 
+from __future__ import print_function
 import sys, os
 import hmac
 from struct import pack
@@ -158,7 +159,7 @@ def _load_libalfcrypto():
             topazCryptoDecrypt(ctx, data, out, len(data))
             return out.raw
 
-    print("Using Library AlfCrypto DLL/DYLIB/SO")
+    print(u"Using Library AlfCrypto DLL/DYLIB/SO")
     return (AES_CBC, Pukall_Cipher, Topaz_Cipher)
 
 
@@ -177,13 +178,13 @@ def _load_python_alfcrypto():
             if len(key)!=16:
                 raise Exception('Pukall_Cipher: Bad key length.')
             wkey = []
-            for i in range(8):
+            for i in xrange(8):
                 wkey.append(ord(key[i*2])<<8 | ord(key[i*2+1]))
             dst = ""
-            for i in range(len(src)):
+            for i in xrange(len(src)):
                 temp1 = 0;
                 byteXorVal = 0;
-                for j in range(8):
+                for j in xrange(8):
                     temp1 ^= wkey[j]
                     sum2  = (sum2+j)*20021 + sum1
                     sum1  = (temp1*346)&0xFFFF
@@ -196,7 +197,7 @@ def _load_python_alfcrypto():
                 curByte = ((curByte ^ (byteXorVal >> 8)) ^ byteXorVal) & 0xFF
                 if decryption:
                     keyXorVal = curByte * 257;
-                for j in range(8):
+                for j in xrange(8):
                     wkey[j] ^= keyXorVal;
                 dst+=chr(curByte)
             return dst
@@ -244,7 +245,7 @@ def _load_python_alfcrypto():
             cleartext = self.aes.decrypt(iv + data)
             return cleartext
 
-    print("Using Library AlfCrypto Python")
+    print(u"Using Library AlfCrypto Python")
     return (AES_CBC, Pukall_Cipher, Topaz_Cipher)
 
 
@@ -268,10 +269,10 @@ class KeyIVGen(object):
     #                             [c_char_p, c_ulong, c_char_p, c_ulong, c_ulong, c_ulong, c_char_p])
     def pbkdf2(self, passwd, salt, iter, keylen):
 
-        def xorbytes( a, b ):
+        def xorstr( a, b ):
             if len(a) != len(b):
-                raise Exception("xorbytes(): lengths differ")
-            return bytes([x ^ y for x, y in zip(a, b)])
+                raise Exception("xorstr(): lengths differ")
+            return ''.join((chr(ord(x)^ord(y)) for x, y in zip(a, b)))
 
         def prf( h, data ):
             hm = h.copy()
@@ -283,17 +284,17 @@ class KeyIVGen(object):
             T = U
             for i in range(2, itercount+1):
                 U = prf( h, U )
-                T = xorbytes( T, U )
+                T = xorstr( T, U )
             return T
 
         sha = hashlib.sha1
         digest_size = sha().digest_size
         # l - number of output blocks to produce
-        l = keylen // digest_size
+        l = keylen / digest_size
         if keylen % digest_size != 0:
             l += 1
         h = hmac.new( passwd, None, sha )
-        T = b""
+        T = ""
         for i in range(1, l+1):
             T += pbkdf2_F( h, salt, iter, i )
         return T[0: keylen]

DeDRM_plugin/androidkindlekey.py

@@ -1,8 +1,12 @@
-#!/usr/bin/env python3
+#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
+from __future__ import with_statement
+
 # androidkindlekey.py
-# Copyright © 2010-20 by Thom, Apprentice  et al.
+# Copyright © 2013-15 by Thom and Apprentice Harper
+# Some portions Copyright © 2010-15 by some_updates and Apprentice Alf
+#
 
 # Revision history:
 #  1.0   - AmazonSecureStorage.xml decryption to serial number
@@ -13,14 +17,14 @@
 #  1.3   - added in TkInter interface, output to a file
 #  1.4   - Fix some problems identified by Aldo Bleeker
 #  1.5   - Fix another problem identified by Aldo Bleeker
-#  2.0   - Python 3 compatibility
 
 """
 Retrieve Kindle for Android Serial Number.
 """
+from __future__ import print_function
 
 __license__ = 'GPL v3'
-__version__ = '2.0'
+__version__ = '1.5'
 
 import os
 import sys
@@ -30,10 +34,7 @@ import tempfile
 import zlib
 import tarfile
 from hashlib import md5
-try:
-    from cStringIO import StringIO
-except ImportError:
-    from io import BytesIO as StringIO
+from cStringIO import StringIO
 from binascii import a2b_hex, b2a_hex
 
 # Routines common to Mac and PC
@@ -48,11 +49,10 @@ class SafeUnbuffered:
         if self.encoding == None:
             self.encoding = "utf-8"
     def write(self, data):
-        if isinstance(data,str):
+        if isinstance(data,unicode):
             data = data.encode(self.encoding,"replace")
-        self.stream.buffer.write(data)
-        self.stream.buffer.flush()
-
+        self.stream.write(data)
+        self.stream.flush()
     def __getattr__(self, attr):
         return getattr(self.stream, attr)
 
@@ -90,20 +90,22 @@ def unicode_argv():
             # Remove Python executable and commands if present
             start = argc.value - len(sys.argv)
             return [argv[i] for i in
-                    range(start, argc.value)]
+                    xrange(start, argc.value)]
         # if we don't have any arguments at all, just pass back script name
         # this should never happen
-        return ["kindlekey.py"]
+        return [u"kindlekey.py"]
     else:
-        argvencoding = sys.stdin.encoding or "utf-8"
-        return [arg if isinstance(arg, str) else str(arg, argvencoding) for arg in sys.argv]
+        argvencoding = sys.stdin.encoding
+        if argvencoding == None:
+            argvencoding = "utf-8"
+        return [arg if (type(arg) == unicode) else unicode(arg,argvencoding) for arg in sys.argv]
 
 class DrmException(Exception):
     pass
 
-STORAGE  = "backup.ab"
-STORAGE1 = "AmazonSecureStorage.xml"
-STORAGE2 = "map_data_storage.db"
+STORAGE  = u"backup.ab"
+STORAGE1 = u"AmazonSecureStorage.xml"
+STORAGE2 = u"map_data_storage.db"
 
 class AndroidObfuscation(object):
     '''AndroidObfuscation
@@ -136,7 +138,7 @@ class AndroidObfuscationV2(AndroidObfuscation):
     '''
 
     count = 503
-    password = b'Thomsun was here!'
+    password = 'Thomsun was here!'
 
     def __init__(self, salt):
         key = self.password + salt
@@ -182,7 +184,7 @@ def get_serials1(path=STORAGE1):
         obfuscation = AndroidObfuscation()
 
     def get_value(key):
-        encrypted_key = obfuscation.encrypt(a2b_hex(key))
+        encrypted_key = obfuscation.encrypt(key)
         encrypted_value = storage.get(encrypted_key)
         if encrypted_value:
             return obfuscation.decrypt(encrypted_value)
@@ -217,14 +219,15 @@ def get_serials2(path=STORAGE2):
     import sqlite3
     connection = sqlite3.connect(path)
     cursor = connection.cursor()
-    cursor.execute('''select device_data_value from device_data where device_data_key like '%serial.number%' ''')
-    device_data_keys = cursor.fetchall()
+    cursor.execute('''select userdata_value from userdata where userdata_key like '%/%token.device.deviceserialname%' ''')
+    userdata_keys = cursor.fetchall()
     dsns = []
-    for device_data_row in device_data_keys:
+    for userdata_row in userdata_keys:
         try:
-            if device_data_row and device_data_row[0]:
-                if len(device_data_row[0]) > 0:
-                    dsns.append(device_data_row[0])
+            if userdata_row and userdata_row[0]:
+                userdata_utf8 = userdata_row[0].encode('utf8')
+                if len(userdata_utf8) > 0:
+                    dsns.append(userdata_utf8)
         except:
             print("Error getting one of the device serial name keys")
             traceback.print_exc()
@@ -237,24 +240,22 @@ def get_serials2(path=STORAGE2):
     for userdata_row in userdata_keys:
         try:
             if userdata_row and userdata_row[0]:
-                if len(userdata_row[0]) > 0:
-                    if ',' in userdata_row[0]:
-                        splits = userdata_row[0].split(',')
-                        for split in splits:
-                            tokens.append(split)
-                    tokens.append(userdata_row[0])
+                userdata_utf8 = userdata_row[0].encode('utf8')
+                if len(userdata_utf8) > 0:
+                    tokens.append(userdata_utf8)
         except:
             print("Error getting one of the account token keys")
             traceback.print_exc()
             pass
     tokens = list(set(tokens))
-
+ 
     serials = []
     for x in dsns:
+        serials.append(x)
         for y in tokens:
-            serials.append(x)
-            serials.append(y)
-            serials.append(x+y)
+            serials.append('%s%s' % (x, y))
+    for y in tokens:
+        serials.append(y)
     return serials
 
 def get_serials(path=STORAGE):
@@ -276,7 +277,7 @@ def get_serials(path=STORAGE):
     try :
         read = open(path, 'rb')
         head = read.read(24)
-        if head[:14] == b'ANDROID BACKUP':
+        if head[:14] == 'ANDROID BACKUP':
             output = StringIO(zlib.decompress(read.read()))
     except Exception:
         pass
@@ -312,22 +313,22 @@ __all__ = [ 'get_serials', 'getkey']
 def getkey(outfile, inpath):
     keys = get_serials(inpath)
     if len(keys) > 0:
-        with open(outfile, 'w') as keyfileout:
+        with file(outfile, 'w') as keyfileout:
             for key in keys:
-                keyfileout.write(b2a_hex(key))
+                keyfileout.write(key)
                 keyfileout.write("\n")
         return True
     return False
 
 
 def usage(progname):
-    print("Decrypts the serial number(s) of Kindle For Android from Android backup or file")
-    print("Get backup.ab file using adb backup com.amazon.kindle for Android 4.0+.")
-    print("Otherwise extract AmazonSecureStorage.xml from /data/data/com.amazon.kindle/shared_prefs/AmazonSecureStorage.xml")
-    print("Or map_data_storage.db from /data/data/com.amazon.kindle/databases/map_data_storage.db")
-    print("")
-    print("Usage:")
-    print("    {0:s} [-h] [-b <backup.ab>] [<outfile.k4a>]".format(progname))
+    print(u"Decrypts the serial number(s) of Kindle For Android from Android backup or file")
+    print(u"Get backup.ab file using adb backup com.amazon.kindle for Android 4.0+.")
+    print(u"Otherwise extract AmazonSecureStorage.xml from /data/data/com.amazon.kindle/shared_prefs/AmazonSecureStorage.xml")
+    print(u"Or map_data_storage.db from /data/data/com.amazon.kindle/databases/map_data_storage.db")
+    print(u"")
+    print(u"Usage:")
+    print(u"    {0:s} [-h] [-b <backup.ab>] [<outfile.k4a>]".format(progname))
 
 
 def cli_main():
@@ -335,13 +336,13 @@ def cli_main():
     sys.stderr=SafeUnbuffered(sys.stderr)
     argv=unicode_argv()
     progname = os.path.basename(argv[0])
-    print("{0} v{1}\nCopyright © 2010-2020 Thom, Apprentice Harper et al.".format(progname,__version__))
+    print(u"{0} v{1}\nCopyright © 2010-2015 Thom, some_updates, Apprentice Alf and Apprentice Harper".format(progname,__version__))
 
     try:
         opts, args = getopt.getopt(argv[1:], "hb:")
-    except getopt.GetoptError as err:
+    except getopt.GetoptError, err:
         usage(progname)
-        print("\nError in options or arguments: {0}".format(err.args[0]))
+        print(u"\nError in options or arguments: {0}".format(err.args[0]))
         return 2
 
     inpath = ""
@@ -373,92 +374,92 @@ def cli_main():
 
     if not os.path.isfile(inpath):
         usage(progname)
-        print("\n{0:s} file not found".format(inpath))
+        print(u"\n{0:s} file not found".format(inpath))
         return 2
 
     if getkey(outfile, inpath):
-        print("\nSaved Kindle for Android key to {0}".format(outfile))
+        print(u"\nSaved Kindle for Android key to {0}".format(outfile))
     else:
-        print("\nCould not retrieve Kindle for Android key.")
+        print(u"\nCould not retrieve Kindle for Android key.")
     return 0
 
 
 def gui_main():
     try:
-        import tkinter
-        import tkinter.constants
-        import tkinter.messagebox
-        import tkinter.filedialog
+        import Tkinter
+        import Tkconstants
+        import tkMessageBox
+        import tkFileDialog
     except:
-        print("tkinter not installed")
+        print("Tkinter not installed")
         return cli_main()
 
-    class DecryptionDialog(tkinter.Frame):
+    class DecryptionDialog(Tkinter.Frame):
         def __init__(self, root):
-            tkinter.Frame.__init__(self, root, border=5)
-            self.status = tkinter.Label(self, text="Select backup.ab file")
-            self.status.pack(fill=tkinter.constants.X, expand=1)
-            body = tkinter.Frame(self)
-            body.pack(fill=tkinter.constants.X, expand=1)
-            sticky = tkinter.constants.E + tkinter.constants.W
+            Tkinter.Frame.__init__(self, root, border=5)
+            self.status = Tkinter.Label(self, text=u"Select backup.ab file")
+            self.status.pack(fill=Tkconstants.X, expand=1)
+            body = Tkinter.Frame(self)
+            body.pack(fill=Tkconstants.X, expand=1)
+            sticky = Tkconstants.E + Tkconstants.W
             body.grid_columnconfigure(1, weight=2)
-            tkinter.Label(body, text="Backup file").grid(row=0, column=0)
-            self.keypath = tkinter.Entry(body, width=40)
+            Tkinter.Label(body, text=u"Backup file").grid(row=0, column=0)
+            self.keypath = Tkinter.Entry(body, width=40)
             self.keypath.grid(row=0, column=1, sticky=sticky)
-            self.keypath.insert(2, "backup.ab")
-            button = tkinter.Button(body, text="...", command=self.get_keypath)
+            self.keypath.insert(2, u"backup.ab")
+            button = Tkinter.Button(body, text=u"...", command=self.get_keypath)
             button.grid(row=0, column=2)
-            buttons = tkinter.Frame(self)
+            buttons = Tkinter.Frame(self)
             buttons.pack()
-            button2 = tkinter.Button(
-                buttons, text="Extract", width=10, command=self.generate)
-            button2.pack(side=tkinter.constants.LEFT)
-            tkinter.Frame(buttons, width=10).pack(side=tkinter.constants.LEFT)
-            button3 = tkinter.Button(
-                buttons, text="Quit", width=10, command=self.quit)
-            button3.pack(side=tkinter.constants.RIGHT)
+            button2 = Tkinter.Button(
+                buttons, text=u"Extract", width=10, command=self.generate)
+            button2.pack(side=Tkconstants.LEFT)
+            Tkinter.Frame(buttons, width=10).pack(side=Tkconstants.LEFT)
+            button3 = Tkinter.Button(
+                buttons, text=u"Quit", width=10, command=self.quit)
+            button3.pack(side=Tkconstants.RIGHT)
 
         def get_keypath(self):
-            keypath = tkinter.filedialog.askopenfilename(
-                parent=None, title="Select backup.ab file",
-                defaultextension=".ab",
+            keypath = tkFileDialog.askopenfilename(
+                parent=None, title=u"Select backup.ab file",
+                defaultextension=u".ab",
                 filetypes=[('adb backup com.amazon.kindle', '.ab'),
                            ('All Files', '.*')])
             if keypath:
                 keypath = os.path.normpath(keypath)
-                self.keypath.delete(0, tkinter.constants.END)
+                self.keypath.delete(0, Tkconstants.END)
                 self.keypath.insert(0, keypath)
             return
 
         def generate(self):
             inpath = self.keypath.get()
-            self.status['text'] = "Getting key..."
+            self.status['text'] = u"Getting key..."
             try:
                 keys = get_serials(inpath)
                 keycount = 0
                 for key in keys:
                     while True:
                         keycount += 1
-                        outfile = os.path.join(progpath,"kindlekey{0:d}.k4a".format(keycount))
+                        outfile = os.path.join(progpath,u"kindlekey{0:d}.k4a".format(keycount))
                         if not os.path.exists(outfile):
                             break
 
-                    with open(outfile, 'w') as keyfileout:
+                    with file(outfile, 'w') as keyfileout:
                         keyfileout.write(key)
                     success = True
-                    tkinter.messagebox.showinfo(progname, "Key successfully retrieved to {0}".format(outfile))
-            except Exception as e:
-                self.status['text'] = "Error: {0}".format(e.args[0])
+                    tkMessageBox.showinfo(progname, u"Key successfully retrieved to {0}".format(outfile))
+            except Exception, e:
+                self.status['text'] = u"Error: {0}".format(e.args[0])
                 return
-            self.status['text'] = "Select backup.ab file"
+            self.status['text'] = u"Select backup.ab file"
 
     argv=unicode_argv()
     progpath, progname = os.path.split(argv[0])
-    root = tkinter.Tk()
-    root.title("Kindle for Android Key Extraction v.{0}".format(__version__))
+    root = Tkinter.Tk()
+    root.title(u"Kindle for Android Key Extraction v.{0}".format(__version__))
     root.resizable(True, False)
     root.minsize(300, 0)
-    DecryptionDialog(root).pack(fill=tkinter.constants.X, expand=1)
+    DecryptionDialog(root).pack(fill=Tkconstants.X, expand=1)
     root.mainloop()
     return 0
 

DeDRM_plugin/argv_utils.py

@@ -1,10 +1,9 @@
-#!/usr/bin/env python3
+#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
 import sys, os
 import locale
 import codecs
-import importlib
 
 # get sys.argv arguments and encode them into utf-8
 def unicode_argv():
@@ -35,13 +34,15 @@ def unicode_argv():
             # Remove Python executable and commands if present
             start = argc.value - len(sys.argv)
             return [argv[i] for i in
-                    range(start, argc.value)]
+                    xrange(start, argc.value)]
         # if we don't have any arguments at all, just pass back script name
         # this should never happen
-        return ["DeDRM.py"]
+        return [u"DeDRM.py"]
     else:
-        argvencoding = sys.stdin.encoding or "utf-8"
-        return [arg if isinstance(arg, str) else str(arg, argvencoding) for arg in sys.argv]
+        argvencoding = sys.stdin.encoding
+        if argvencoding == None:
+            argvencoding = "utf-8"
+        return [arg if (type(arg) == unicode) else unicode(arg,argvencoding) for arg in sys.argv]
 
 
 def add_cp65001_codec():
@@ -58,7 +59,7 @@ def set_utf8_default_encoding():
     return
 
   # Regenerate setdefaultencoding.
-  importlib.reload(sys)
+  reload(sys)
   sys.setdefaultencoding('utf-8')
 
   for attr in dir(locale):

DeDRM_plugin/askfolder_ed.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python3
+#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 # vim:ts=4:sw=4:softtabstop=4:smarttab:expandtab
 
@@ -17,10 +17,10 @@
 # the rights to use, copy, modify, merge, publish, distribute, sublicense,
 # and/or sell copies of the Software, and to permit persons to whom the
 # Software is furnished to do so, subject to the following conditions:
-#
+# 
 # The above copyright notice and this permission notice shall be included in
 # all copies or substantial portions of the Software.
-#
+# 
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
@@ -29,8 +29,6 @@
 # FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 # DEALINGS IN THE SOFTWARE.
 
-# Adjusted for Python 3, September 2020
-
 """
 AskFolder(...) -- Ask the user to select a folder Windows specific
 """
@@ -166,15 +164,15 @@ def AskFolder(
     def BrowseCallback(hwnd, uMsg, lParam, lpData):
         if uMsg == BFFM_INITIALIZED:
             if actionButtonLabel:
-                label = str(actionButtonLabel, errors='replace')
+                label = unicode(actionButtonLabel, errors='replace')
                 user32.SendMessageW(hwnd, BFFM_SETOKTEXT, 0, label)
             if cancelButtonLabel:
-                label = str(cancelButtonLabel, errors='replace')
+                label = unicode(cancelButtonLabel, errors='replace')
                 cancelButton = user32.GetDlgItem(hwnd, IDCANCEL)
                 if cancelButton:
                     user32.SetWindowTextW(cancelButton, label)
             if windowTitle:
-                title = str(windowTitle, errors='replace')
+                title = unicode(windowTitle, erros='replace')
                 user32.SetWindowTextW(hwnd, title)
             if defaultLocation:
                 user32.SendMessageW(hwnd, BFFM_SETSELECTIONW, 1, defaultLocation.replace('/', '\\'))
@@ -202,7 +200,7 @@ def AskFolder(
     if not pidl:
         result = None
     else:
-        path = LPCWSTR(" " * (MAX_PATH+1))
+        path = LPCWSTR(u" " * (MAX_PATH+1))
         shell32.SHGetPathFromIDListW(pidl, path)
         ole32.CoTaskMemFree(pidl)
         result = path.value

DeDRM_plugin/config.py

@@ -1,18 +1,28 @@
-#!/usr/bin/env python3
+#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
+from __future__ import with_statement
+from __future__ import print_function
+
 __license__ = 'GPL v3'
 
-# Python 3, September 2020
-
 # Standard Python modules.
-import os, traceback, json, codecs
+import os, traceback, json
 
-from PyQt5.Qt import (Qt, QWidget, QHBoxLayout, QVBoxLayout, QLabel, QLineEdit,
+# PyQT4 modules (part of calibre).
+try:
+    from PyQt5.Qt import (Qt, QWidget, QHBoxLayout, QVBoxLayout, QLabel, QLineEdit,
                       QGroupBox, QPushButton, QListWidget, QListWidgetItem,
                       QAbstractItemView, QIcon, QDialog, QDialogButtonBox, QUrl)
-
-from PyQt5 import Qt as QtGui
+except ImportError:
+    from PyQt4.Qt import (Qt, QWidget, QHBoxLayout, QVBoxLayout, QLabel, QLineEdit,
+                      QGroupBox, QPushButton, QListWidget, QListWidgetItem,
+                      QAbstractItemView, QIcon, QDialog, QDialogButtonBox, QUrl)
+try:
+    from PyQt5 import Qt as QtGui
+except ImportError:
+    from PyQt4 import QtGui
+    
 from zipfile import ZipFile
 
 # calibre modules and constants.
@@ -73,32 +83,32 @@ class ConfigWidget(QWidget):
         button_layout = QVBoxLayout()
         keys_group_box_layout.addLayout(button_layout)
         self.bandn_button = QtGui.QPushButton(self)
-        self.bandn_button.setToolTip(_("Click to manage keys for Barnes and Noble ebooks"))
-        self.bandn_button.setText("Barnes and Noble ebooks")
+        self.bandn_button.setToolTip(_(u"Click to manage keys for Barnes and Noble ebooks"))
+        self.bandn_button.setText(u"Barnes and Noble ebooks")
         self.bandn_button.clicked.connect(self.bandn_keys)
         self.kindle_android_button = QtGui.QPushButton(self)
-        self.kindle_android_button.setToolTip(_("Click to manage keys for Kindle for Android ebooks"))
-        self.kindle_android_button.setText("Kindle for Android ebooks")
+        self.kindle_android_button.setToolTip(_(u"Click to manage keys for Kindle for Android ebooks"))
+        self.kindle_android_button.setText(u"Kindle for Android ebooks")
         self.kindle_android_button.clicked.connect(self.kindle_android)
         self.kindle_serial_button = QtGui.QPushButton(self)
-        self.kindle_serial_button.setToolTip(_("Click to manage eInk Kindle serial numbers for Kindle ebooks"))
-        self.kindle_serial_button.setText("eInk Kindle ebooks")
+        self.kindle_serial_button.setToolTip(_(u"Click to manage eInk Kindle serial numbers for Kindle ebooks"))
+        self.kindle_serial_button.setText(u"eInk Kindle ebooks")
         self.kindle_serial_button.clicked.connect(self.kindle_serials)
         self.kindle_key_button = QtGui.QPushButton(self)
-        self.kindle_key_button.setToolTip(_("Click to manage keys for Kindle for Mac/PC ebooks"))
-        self.kindle_key_button.setText("Kindle for Mac/PC ebooks")
+        self.kindle_key_button.setToolTip(_(u"Click to manage keys for Kindle for Mac/PC ebooks"))
+        self.kindle_key_button.setText(u"Kindle for Mac/PC ebooks")
         self.kindle_key_button.clicked.connect(self.kindle_keys)
         self.adept_button = QtGui.QPushButton(self)
-        self.adept_button.setToolTip(_("Click to manage keys for Adobe Digital Editions ebooks"))
-        self.adept_button.setText("Adobe Digital Editions ebooks")
+        self.adept_button.setToolTip(_(u"Click to manage keys for Adobe Digital Editions ebooks"))
+        self.adept_button.setText(u"Adobe Digital Editions ebooks")
         self.adept_button.clicked.connect(self.adept_keys)
         self.mobi_button = QtGui.QPushButton(self)
-        self.mobi_button.setToolTip(_("Click to manage PIDs for Mobipocket ebooks"))
-        self.mobi_button.setText("Mobipocket ebooks")
+        self.mobi_button.setToolTip(_(u"Click to manage PIDs for Mobipocket ebooks"))
+        self.mobi_button.setText(u"Mobipocket ebooks")
         self.mobi_button.clicked.connect(self.mobi_keys)
         self.ereader_button = QtGui.QPushButton(self)
-        self.ereader_button.setToolTip(_("Click to manage keys for eReader ebooks"))
-        self.ereader_button.setText("eReader ebooks")
+        self.ereader_button.setToolTip(_(u"Click to manage keys for eReader ebooks"))
+        self.ereader_button.setText(u"eReader ebooks")
         self.ereader_button.clicked.connect(self.ereader_keys)
         button_layout.addWidget(self.kindle_serial_button)
         button_layout.addWidget(self.kindle_android_button)
@@ -111,48 +121,48 @@ class ConfigWidget(QWidget):
         self.resize(self.sizeHint())
 
     def kindle_serials(self):
-        d = ManageKeysDialog(self,"EInk Kindle Serial Number",self.tempdedrmprefs['serials'], AddSerialDialog)
+        d = ManageKeysDialog(self,u"EInk Kindle Serial Number",self.tempdedrmprefs['serials'], AddSerialDialog)
         d.exec_()
-
+        
     def kindle_android(self):
-        d = ManageKeysDialog(self,"Kindle for Android Key",self.tempdedrmprefs['androidkeys'], AddAndroidDialog, 'k4a')
+        d = ManageKeysDialog(self,u"Kindle for Android Key",self.tempdedrmprefs['androidkeys'], AddAndroidDialog, 'k4a')
         d.exec_()
 
     def kindle_keys(self):
         if isosx or iswindows:
-            d = ManageKeysDialog(self,"Kindle for Mac and PC Key",self.tempdedrmprefs['kindlekeys'], AddKindleDialog, 'k4i')
+            d = ManageKeysDialog(self,u"Kindle for Mac and PC Key",self.tempdedrmprefs['kindlekeys'], AddKindleDialog, 'k4i')
         else:
             # linux
-            d = ManageKeysDialog(self,"Kindle for Mac and PC Key",self.tempdedrmprefs['kindlekeys'], AddKindleDialog, 'k4i', self.tempdedrmprefs['kindlewineprefix'])
+            d = ManageKeysDialog(self,u"Kindle for Mac and PC Key",self.tempdedrmprefs['kindlekeys'], AddKindleDialog, 'k4i', self.tempdedrmprefs['kindlewineprefix'])
         d.exec_()
         self.tempdedrmprefs['kindlewineprefix'] = d.getwineprefix()
 
     def adept_keys(self):
         if isosx or iswindows:
-            d = ManageKeysDialog(self,"Adobe Digital Editions Key",self.tempdedrmprefs['adeptkeys'], AddAdeptDialog, 'der')
+            d = ManageKeysDialog(self,u"Adobe Digital Editions Key",self.tempdedrmprefs['adeptkeys'], AddAdeptDialog, 'der')
         else:
             # linux
-            d = ManageKeysDialog(self,"Adobe Digital Editions Key",self.tempdedrmprefs['adeptkeys'], AddAdeptDialog, 'der', self.tempdedrmprefs['adobewineprefix'])
+            d = ManageKeysDialog(self,u"Adobe Digital Editions Key",self.tempdedrmprefs['adeptkeys'], AddAdeptDialog, 'der', self.tempdedrmprefs['adobewineprefix'])
         d.exec_()
         self.tempdedrmprefs['adobewineprefix'] = d.getwineprefix()
 
     def mobi_keys(self):
-        d = ManageKeysDialog(self,"Mobipocket PID",self.tempdedrmprefs['pids'], AddPIDDialog)
+        d = ManageKeysDialog(self,u"Mobipocket PID",self.tempdedrmprefs['pids'], AddPIDDialog)
         d.exec_()
 
     def bandn_keys(self):
-        d = ManageKeysDialog(self,"Barnes and Noble Key",self.tempdedrmprefs['bandnkeys'], AddBandNKeyDialog, 'b64')
+        d = ManageKeysDialog(self,u"Barnes and Noble Key",self.tempdedrmprefs['bandnkeys'], AddBandNKeyDialog, 'b64')
         d.exec_()
 
     def ereader_keys(self):
-        d = ManageKeysDialog(self,"eReader Key",self.tempdedrmprefs['ereaderkeys'], AddEReaderDialog, 'b63')
+        d = ManageKeysDialog(self,u"eReader Key",self.tempdedrmprefs['ereaderkeys'], AddEReaderDialog, 'b63')
         d.exec_()
 
     def help_link_activated(self, url):
         def get_help_file_resource():
             # Copy the HTML helpfile to the plugin directory each time the
             # link is clicked in case the helpfile is updated in newer plugins.
-            file_path = os.path.join(config_dir, "plugins", "DeDRM", "help", help_file_name)
+            file_path = os.path.join(config_dir, u"plugins", u"DeDRM", u"help", help_file_name)
             with open(file_path,'w') as f:
                 f.write(self.load_resource(help_file_name))
             return file_path
@@ -181,17 +191,17 @@ class ConfigWidget(QWidget):
 
 
 class ManageKeysDialog(QDialog):
-    def __init__(self, parent, key_type_name, plugin_keys, create_key, keyfile_ext = "", wineprefix = None):
+    def __init__(self, parent, key_type_name, plugin_keys, create_key, keyfile_ext = u"", wineprefix = None):
         QDialog.__init__(self,parent)
         self.parent = parent
         self.key_type_name = key_type_name
         self.plugin_keys = plugin_keys
         self.create_key = create_key
         self.keyfile_ext = keyfile_ext
-        self.import_key = (keyfile_ext != "")
-        self.binary_file = (keyfile_ext == "der")
-        self.json_file = (keyfile_ext == "k4i")
-        self.android_file = (keyfile_ext == "k4a")
+        self.import_key = (keyfile_ext != u"")
+        self.binary_file = (keyfile_ext == u"der")
+        self.json_file = (keyfile_ext == u"k4i")
+        self.android_file = (keyfile_ext == u"k4a")
         self.wineprefix = wineprefix
 
         self.setWindowTitle("{0} {1}: Manage {2}s".format(PLUGIN_NAME, PLUGIN_VERSION, self.key_type_name))
@@ -209,13 +219,13 @@ class ManageKeysDialog(QDialog):
         help_label.linkActivated.connect(self.help_link_activated)
         help_layout.addWidget(help_label)
 
-        keys_group_box = QGroupBox(_("{0}s".format(self.key_type_name)), self)
+        keys_group_box = QGroupBox(_(u"{0}s".format(self.key_type_name)), self)
         layout.addWidget(keys_group_box)
         keys_group_box_layout = QHBoxLayout()
         keys_group_box.setLayout(keys_group_box_layout)
 
         self.listy = QListWidget(self)
-        self.listy.setToolTip("{0}s that will be used to decrypt ebooks".format(self.key_type_name))
+        self.listy.setToolTip(u"{0}s that will be used to decrypt ebooks".format(self.key_type_name))
         self.listy.setSelectionMode(QAbstractItemView.SingleSelection)
         self.populate_list()
         keys_group_box_layout.addWidget(self.listy)
@@ -224,25 +234,25 @@ class ManageKeysDialog(QDialog):
         keys_group_box_layout.addLayout(button_layout)
         self._add_key_button = QtGui.QToolButton(self)
         self._add_key_button.setIcon(QIcon(I('plus.png')))
-        self._add_key_button.setToolTip("Create new {0}".format(self.key_type_name))
+        self._add_key_button.setToolTip(u"Create new {0}".format(self.key_type_name))
         self._add_key_button.clicked.connect(self.add_key)
         button_layout.addWidget(self._add_key_button)
 
         self._delete_key_button = QtGui.QToolButton(self)
-        self._delete_key_button.setToolTip(_("Delete highlighted key"))
+        self._delete_key_button.setToolTip(_(u"Delete highlighted key"))
         self._delete_key_button.setIcon(QIcon(I('list_remove.png')))
         self._delete_key_button.clicked.connect(self.delete_key)
         button_layout.addWidget(self._delete_key_button)
 
         if type(self.plugin_keys) == dict and self.import_key:
             self._rename_key_button = QtGui.QToolButton(self)
-            self._rename_key_button.setToolTip(_("Rename highlighted key"))
+            self._rename_key_button.setToolTip(_(u"Rename highlighted key"))
             self._rename_key_button.setIcon(QIcon(I('edit-select-all.png')))
             self._rename_key_button.clicked.connect(self.rename_key)
             button_layout.addWidget(self._rename_key_button)
 
             self.export_key_button = QtGui.QToolButton(self)
-            self.export_key_button.setToolTip("Save highlighted key to a .{0} file".format(self.keyfile_ext))
+            self.export_key_button.setToolTip(u"Save highlighted key to a .{0} file".format(self.keyfile_ext))
             self.export_key_button.setIcon(QIcon(I('save.png')))
             self.export_key_button.clicked.connect(self.export_key)
             button_layout.addWidget(self.export_key_button)
@@ -254,7 +264,7 @@ class ManageKeysDialog(QDialog):
             wineprefix_layout = QHBoxLayout()
             layout.addLayout(wineprefix_layout)
             wineprefix_layout.setAlignment(Qt.AlignCenter)
-            self.wp_label = QLabel("WINEPREFIX:")
+            self.wp_label = QLabel(u"WINEPREFIX:")
             wineprefix_layout.addWidget(self.wp_label)
             self.wp_lineedit = QLineEdit(self)
             wineprefix_layout.addWidget(self.wp_lineedit)
@@ -266,8 +276,8 @@ class ManageKeysDialog(QDialog):
         layout.addLayout(migrate_layout)
         if self.import_key:
             migrate_layout.setAlignment(Qt.AlignJustify)
-            self.migrate_btn = QPushButton("Import Existing Keyfiles", self)
-            self.migrate_btn.setToolTip("Import *.{0} files (created using other tools).".format(self.keyfile_ext))
+            self.migrate_btn = QPushButton(u"Import Existing Keyfiles", self)
+            self.migrate_btn.setToolTip(u"Import *.{0} files (created using other tools).".format(self.keyfile_ext))
             self.migrate_btn.clicked.connect(self.migrate_wrapper)
             migrate_layout.addWidget(self.migrate_btn)
         migrate_layout.addStretch()
@@ -279,8 +289,8 @@ class ManageKeysDialog(QDialog):
 
     def getwineprefix(self):
         if self.wineprefix is not None:
-            return str(self.wp_lineedit.text()).strip()
-        return ""
+            return unicode(self.wp_lineedit.text()).strip()
+        return u""
 
     def populate_list(self):
         if type(self.plugin_keys) == dict:
@@ -300,15 +310,15 @@ class ManageKeysDialog(QDialog):
         new_key_value = d.key_value
         if type(self.plugin_keys) == dict:
             if new_key_value in self.plugin_keys.values():
-                old_key_name = [name for name, value in self.plugin_keys.items() if value == new_key_value][0]
+                old_key_name = [name for name, value in self.plugin_keys.iteritems() if value == new_key_value][0]
                 info_dialog(None, "{0} {1}: Duplicate {2}".format(PLUGIN_NAME, PLUGIN_VERSION,self.key_type_name),
-                                    "The new {1} is the same as the existing {1} named <strong>{0}</strong> and has not been added.".format(old_key_name,self.key_type_name), show=True)
+                                    u"The new {1} is the same as the existing {1} named <strong>{0}</strong> and has not been added.".format(old_key_name,self.key_type_name), show=True)
                 return
             self.plugin_keys[d.key_name] = new_key_value
         else:
             if new_key_value in self.plugin_keys:
                 info_dialog(None, "{0} {1}: Duplicate {2}".format(PLUGIN_NAME, PLUGIN_VERSION,self.key_type_name),
-                                    "This {0} is already in the list of {0}s has not been added.".format(self.key_type_name), show=True)
+                                    u"This {0} is already in the list of {0}s has not been added.".format(self.key_type_name), show=True)
                 return
 
             self.plugin_keys.append(d.key_value)
@@ -317,7 +327,7 @@ class ManageKeysDialog(QDialog):
 
     def rename_key(self):
         if not self.listy.currentItem():
-            errmsg = "No {0} selected to rename. Highlight a keyfile first.".format(self.key_type_name)
+            errmsg = u"No {0} selected to rename. Highlight a keyfile first.".format(self.key_type_name)
             r = error_dialog(None, "{0} {1}".format(PLUGIN_NAME, PLUGIN_VERSION),
                                     _(errmsg), show=True, show_copy_button=False)
             return
@@ -328,8 +338,8 @@ class ManageKeysDialog(QDialog):
         if d.result() != d.Accepted:
             # rename cancelled or moot.
             return
-        keyname = str(self.listy.currentItem().text())
-        if not question_dialog(self, "{0} {1}: Confirm Rename".format(PLUGIN_NAME, PLUGIN_VERSION), "Do you really want to rename the {2} named <strong>{0}</strong> to <strong>{1}</strong>?".format(keyname,d.key_name,self.key_type_name), show_copy_button=False, default_yes=False):
+        keyname = unicode(self.listy.currentItem().text())
+        if not question_dialog(self, "{0} {1}: Confirm Rename".format(PLUGIN_NAME, PLUGIN_VERSION), u"Do you really want to rename the {2} named <strong>{0}</strong> to <strong>{1}</strong>?".format(keyname,d.key_name,self.key_type_name), show_copy_button=False, default_yes=False):
             return
         self.plugin_keys[d.key_name] = self.plugin_keys[keyname]
         del self.plugin_keys[keyname]
@@ -340,8 +350,8 @@ class ManageKeysDialog(QDialog):
     def delete_key(self):
         if not self.listy.currentItem():
             return
-        keyname = str(self.listy.currentItem().text())
-        if not question_dialog(self, "{0} {1}: Confirm Delete".format(PLUGIN_NAME, PLUGIN_VERSION), "Do you really want to delete the {1} <strong>{0}</strong>?".format(keyname, self.key_type_name), show_copy_button=False, default_yes=False):
+        keyname = unicode(self.listy.currentItem().text())
+        if not question_dialog(self, "{0} {1}: Confirm Delete".format(PLUGIN_NAME, PLUGIN_VERSION), u"Do you really want to delete the {1} <strong>{0}</strong>?".format(keyname, self.key_type_name), show_copy_button=False, default_yes=False):
             return
         if type(self.plugin_keys) == dict:
             del self.plugin_keys[keyname]
@@ -355,8 +365,8 @@ class ManageKeysDialog(QDialog):
         def get_help_file_resource():
             # Copy the HTML helpfile to the plugin directory each time the
             # link is clicked in case the helpfile is updated in newer plugins.
-            help_file_name = "{0}_{1}_Help.htm".format(PLUGIN_NAME, self.key_type_name)
-            file_path = os.path.join(config_dir, "plugins", "DeDRM", "help", help_file_name)
+            help_file_name = u"{0}_{1}_Help.htm".format(PLUGIN_NAME, self.key_type_name)
+            file_path = os.path.join(config_dir, u"plugins", u"DeDRM", u"help", help_file_name)
             with open(file_path,'w') as f:
                 f.write(self.parent.load_resource(help_file_name))
             return file_path
@@ -364,9 +374,9 @@ class ManageKeysDialog(QDialog):
         open_url(QUrl(url))
 
     def migrate_files(self):
-        unique_dlg_name = PLUGIN_NAME + "import {0} keys".format(self.key_type_name).replace(' ', '_') #takes care of automatically remembering last directory
-        caption = "Select {0} files to import".format(self.key_type_name)
-        filters = [("{0} files".format(self.key_type_name), [self.keyfile_ext])]
+        unique_dlg_name = PLUGIN_NAME + u"import {0} keys".format(self.key_type_name).replace(' ', '_') #takes care of automatically remembering last directory
+        caption = u"Select {0} files to import".format(self.key_type_name)
+        filters = [(u"{0} files".format(self.key_type_name), [self.keyfile_ext])]
         files = choose_files(self, unique_dlg_name, caption, filters, all_files=False)
         counter = 0
         skipped = 0
@@ -378,7 +388,7 @@ class ManageKeysDialog(QDialog):
                 with open(fpath,'rb') as keyfile:
                     new_key_value = keyfile.read()
                 if self.binary_file:
-                    new_key_value = codecs.encode(new_key_value,'hex')
+                    new_key_value = new_key_value.encode('hex')
                 elif self.json_file:
                     new_key_value = json.loads(new_key_value)
                 elif self.android_file:
@@ -388,27 +398,27 @@ class ManageKeysDialog(QDialog):
                 for key in self.plugin_keys.keys():
                     if uStrCmp(new_key_name, key, True):
                         skipped += 1
-                        msg = "A key with the name <strong>{0}</strong> already exists!\nSkipping key file  <strong>{1}</strong>.\nRename the existing key and import again".format(new_key_name,filename)
+                        msg = u"A key with the name <strong>{0}</strong> already exists!\nSkipping key file  <strong>{1}</strong>.\nRename the existing key and import again".format(new_key_name,filename)
                         inf = info_dialog(None, "{0} {1}".format(PLUGIN_NAME, PLUGIN_VERSION),
                                 _(msg), show_copy_button=False, show=True)
                         match = True
                         break
                 if not match:
                     if new_key_value in self.plugin_keys.values():
-                        old_key_name = [name for name, value in self.plugin_keys.items() if value == new_key_value][0]
+                        old_key_name = [name for name, value in self.plugin_keys.iteritems() if value == new_key_value][0]
                         skipped += 1
                         info_dialog(None, "{0} {1}".format(PLUGIN_NAME, PLUGIN_VERSION),
-                                            "The key in file {0} is the same as the existing key <strong>{1}</strong> and has been skipped.".format(filename,old_key_name), show_copy_button=False, show=True)
+                                            u"The key in file {0} is the same as the existing key <strong>{1}</strong> and has been skipped.".format(filename,old_key_name), show_copy_button=False, show=True)
                     else:
                         counter += 1
                         self.plugin_keys[new_key_name] = new_key_value
-
-            msg = ""
+                            
+            msg = u""
             if counter+skipped > 1:
                 if counter > 0:
-                    msg += "Imported <strong>{0:d}</strong> key {1}. ".format(counter, "file" if counter == 1 else "files")
+                    msg += u"Imported <strong>{0:d}</strong> key {1}. ".format(counter, u"file" if counter == 1 else u"files")
                 if skipped > 0:
-                    msg += "Skipped <strong>{0:d}</strong> key {1}.".format(skipped, "file" if counter == 1 else "files")
+                    msg += u"Skipped <strong>{0:d}</strong> key {1}.".format(skipped, u"file" if counter == 1 else u"files")
                 inf = info_dialog(None, "{0} {1}".format(PLUGIN_NAME, PLUGIN_VERSION),
                                     _(msg), show_copy_button=False, show=True)
         return counter > 0
@@ -420,30 +430,27 @@ class ManageKeysDialog(QDialog):
 
     def export_key(self):
         if not self.listy.currentItem():
-            errmsg = "No keyfile selected to export. Highlight a keyfile first."
+            errmsg = u"No keyfile selected to export. Highlight a keyfile first."
             r = error_dialog(None, "{0} {1}".format(PLUGIN_NAME, PLUGIN_VERSION),
                                     _(errmsg), show=True, show_copy_button=False)
             return
-        keyname = str(self.listy.currentItem().text())
-        unique_dlg_name = PLUGIN_NAME + "export {0} keys".format(self.key_type_name).replace(' ', '_') #takes care of automatically remembering last directory
-        caption = "Save {0} File as...".format(self.key_type_name)
-        filters = [("{0} Files".format(self.key_type_name), ["{0}".format(self.keyfile_ext)])]
-        defaultname = "{0}.{1}".format(keyname, self.keyfile_ext)
+        keyname = unicode(self.listy.currentItem().text())
+        unique_dlg_name = PLUGIN_NAME + u"export {0} keys".format(self.key_type_name).replace(' ', '_') #takes care of automatically remembering last directory
+        caption = u"Save {0} File as...".format(self.key_type_name)
+        filters = [(u"{0} Files".format(self.key_type_name), [u"{0}".format(self.keyfile_ext)])]
+        defaultname = u"{0}.{1}".format(keyname, self.keyfile_ext)
         filename = choose_save_file(self, unique_dlg_name,  caption, filters, all_files=False, initial_filename=defaultname)
         if filename:
-            if self.binary_file:
-                with open(filename, 'wb') as fname:
-                    fname.write(codecs.decode(self.plugin_keys[keyname],'hex'))
-            elif self.json_file:
-                with open(filename, 'w') as fname:
+            with file(filename, 'wb') as fname:
+                if self.binary_file:
+                    fname.write(self.plugin_keys[keyname].decode('hex'))
+                elif self.json_file:
                     fname.write(json.dumps(self.plugin_keys[keyname]))
-            elif self.android_file:
-                with open(filename, 'w') as fname:
+                elif self.android_file:
                     for key in self.plugin_keys[keyname]:
                         fname.write(key)
-                        fname.write('\n')
-            else:
-                with open(filename, 'w') as fname:
+                        fname.write("\n")
+                else:
                     fname.write(self.plugin_keys[keyname])
 
 
@@ -465,7 +472,7 @@ class RenameKeyDialog(QDialog):
 
         data_group_box_layout.addWidget(QLabel('New Key Name:', self))
         self.key_ledit = QLineEdit(self.parent.listy.currentItem().text(), self)
-        self.key_ledit.setToolTip("Enter a new name for this existing {0}.".format(parent.key_type_name))
+        self.key_ledit.setToolTip(u"Enter a new name for this existing {0}.".format(parent.key_type_name))
         data_group_box_layout.addWidget(self.key_ledit)
 
         layout.addSpacing(20)
@@ -478,12 +485,12 @@ class RenameKeyDialog(QDialog):
         self.resize(self.sizeHint())
 
     def accept(self):
-        if not str(self.key_ledit.text()) or str(self.key_ledit.text()).isspace():
-            errmsg = "Key name field cannot be empty!"
+        if not unicode(self.key_ledit.text()) or unicode(self.key_ledit.text()).isspace():
+            errmsg = u"Key name field cannot be empty!"
             return error_dialog(None, "{0} {1}".format(PLUGIN_NAME, PLUGIN_VERSION),
                                     _(errmsg), show=True, show_copy_button=False)
         if len(self.key_ledit.text()) < 4:
-            errmsg = "Key name must be at <i>least</i> 4 characters long!"
+            errmsg = u"Key name must be at <i>least</i> 4 characters long!"
             return error_dialog(None, "{0} {1}".format(PLUGIN_NAME, PLUGIN_VERSION),
                                     _(errmsg), show=True, show_copy_button=False)
         if uStrCmp(self.key_ledit.text(), self.parent.listy.currentItem().text()):
@@ -492,14 +499,14 @@ class RenameKeyDialog(QDialog):
         for k in self.parent.plugin_keys.keys():
             if (uStrCmp(self.key_ledit.text(), k, True) and
                         not uStrCmp(k, self.parent.listy.currentItem().text(), True)):
-                errmsg = "The key name <strong>{0}</strong> is already being used.".format(self.key_ledit.text())
+                errmsg = u"The key name <strong>{0}</strong> is already being used.".format(self.key_ledit.text())
                 return error_dialog(None, "{0} {1}".format(PLUGIN_NAME, PLUGIN_VERSION),
                                     _(errmsg), show=True, show_copy_button=False)
         QDialog.accept(self)
 
     @property
     def key_name(self):
-        return str(self.key_ledit.text()).strip()
+        return unicode(self.key_ledit.text()).strip()
 
 
 
@@ -512,48 +519,48 @@ class AddBandNKeyDialog(QDialog):
     def __init__(self, parent=None,):
         QDialog.__init__(self, parent)
         self.parent = parent
-        self.setWindowTitle("{0} {1}: Create New Barnes & Noble Key".format(PLUGIN_NAME, PLUGIN_VERSION))
+        self.setWindowTitle(u"{0} {1}: Create New Barnes & Noble Key".format(PLUGIN_NAME, PLUGIN_VERSION))
         layout = QVBoxLayout(self)
         self.setLayout(layout)
 
-        data_group_box = QGroupBox("", self)
+        data_group_box = QGroupBox(u"", self)
         layout.addWidget(data_group_box)
         data_group_box_layout = QVBoxLayout()
         data_group_box.setLayout(data_group_box_layout)
 
         key_group = QHBoxLayout()
         data_group_box_layout.addLayout(key_group)
-        key_group.addWidget(QLabel("Unique Key Name:", self))
+        key_group.addWidget(QLabel(u"Unique Key Name:", self))
         self.key_ledit = QLineEdit("", self)
-        self.key_ledit.setToolTip(_("<p>Enter an identifying name for this new key.</p>" +
-                                "<p>It should be something that will help you remember " +
-                                "what personal information was used to create it."))
+        self.key_ledit.setToolTip(_(u"<p>Enter an identifying name for this new key.</p>" +
+                                u"<p>It should be something that will help you remember " +
+                                u"what personal information was used to create it."))
         key_group.addWidget(self.key_ledit)
 
         name_group = QHBoxLayout()
         data_group_box_layout.addLayout(name_group)
-        name_group.addWidget(QLabel("B&N/nook account email address:", self))
-        self.name_ledit = QLineEdit("", self)
-        self.name_ledit.setToolTip(_("<p>Enter your email address as it appears in your B&N " +
-                                "account.</p>" +
-                                "<p>It will only be used to generate this " +
-                                "key and won\'t be stored anywhere " +
-                                "in calibre or on your computer.</p>" +
-                                "<p>eg: apprenticeharper@gmail.com</p>"))
+        name_group.addWidget(QLabel(u"B&N/nook account email address:", self))
+        self.name_ledit = QLineEdit(u"", self)
+        self.name_ledit.setToolTip(_(u"<p>Enter your email address as it appears in your B&N " +
+                                u"account.</p>" +
+                                u"<p>It will only be used to generate this " +
+                                u"key and won\'t be stored anywhere " +
+                                u"in calibre or on your computer.</p>" +
+                                u"<p>eg: apprenticeharper@gmail.com</p>"))
         name_group.addWidget(self.name_ledit)
-        name_disclaimer_label = QLabel(_("(Will not be saved in configuration data)"), self)
+        name_disclaimer_label = QLabel(_(u"(Will not be saved in configuration data)"), self)
         name_disclaimer_label.setAlignment(Qt.AlignHCenter)
         data_group_box_layout.addWidget(name_disclaimer_label)
 
         ccn_group = QHBoxLayout()
         data_group_box_layout.addLayout(ccn_group)
-        ccn_group.addWidget(QLabel("B&N/nook account password:", self))
-        self.cc_ledit = QLineEdit("", self)
-        self.cc_ledit.setToolTip(_("<p>Enter the password " +
-                                "for your B&N account.</p>" +
-                                "<p>The password will only be used to generate this " +
-                                "key and won\'t be stored anywhere in " +
-                                "calibre or on your computer."))
+        ccn_group.addWidget(QLabel(u"B&N/nook account password:", self))
+        self.cc_ledit = QLineEdit(u"", self)
+        self.cc_ledit.setToolTip(_(u"<p>Enter the password " +
+                                u"for your B&N account.</p>" +
+                                u"<p>The password will only be used to generate this " +
+                                u"key and won\'t be stored anywhere in " +
+                                u"calibre or on your computer."))
         ccn_group.addWidget(self.cc_ledit)
         ccn_disclaimer_label = QLabel(_('(Will not be saved in configuration data)'), self)
         ccn_disclaimer_label.setAlignment(Qt.AlignHCenter)
@@ -562,13 +569,13 @@ class AddBandNKeyDialog(QDialog):
 
         key_group = QHBoxLayout()
         data_group_box_layout.addLayout(key_group)
-        key_group.addWidget(QLabel("Retrieved key:", self))
-        self.key_display = QLabel("", self)
-        self.key_display.setToolTip(_("Click the Retrieve Key button to fetch your B&N encryption key from the B&N servers"))
+        key_group.addWidget(QLabel(u"Retrieved key:", self))
+        self.key_display = QLabel(u"", self)
+        self.key_display.setToolTip(_(u"Click the Retrieve Key button to fetch your B&N encryption key from the B&N servers"))
         key_group.addWidget(self.key_display)
         self.retrieve_button = QtGui.QPushButton(self)
-        self.retrieve_button.setToolTip(_("Click to retrieve your B&N encryption key from the B&N servers"))
-        self.retrieve_button.setText("Retrieve Key")
+        self.retrieve_button.setToolTip(_(u"Click to retrieve your B&N encryption key from the B&N servers"))
+        self.retrieve_button.setText(u"Retrieve Key")
         self.retrieve_button.clicked.connect(self.retrieve_key)
         key_group.addWidget(self.retrieve_button)
         layout.addSpacing(10)
@@ -582,35 +589,35 @@ class AddBandNKeyDialog(QDialog):
 
     @property
     def key_name(self):
-        return str(self.key_ledit.text()).strip()
+        return unicode(self.key_ledit.text()).strip()
 
     @property
     def key_value(self):
-        return str(self.key_display.text()).strip()
+        return unicode(self.key_display.text()).strip()
 
     @property
     def user_name(self):
-        return str(self.name_ledit.text()).strip().lower().replace(' ','')
+        return unicode(self.name_ledit.text()).strip().lower().replace(' ','')
 
     @property
     def cc_number(self):
-        return str(self.cc_ledit.text()).strip()
+        return unicode(self.cc_ledit.text()).strip()
 
     def retrieve_key(self):
         from calibre_plugins.dedrm.ignoblekeyfetch import fetch_key as fetch_bandn_key
         fetched_key = fetch_bandn_key(self.user_name,self.cc_number)
         if fetched_key == "":
-            errmsg = "Could not retrieve key. Check username, password and intenet connectivity and try again."
+            errmsg = u"Could not retrieve key. Check username, password and intenet connectivity and try again."
             error_dialog(None, "{0} {1}".format(PLUGIN_NAME, PLUGIN_VERSION), errmsg, show=True, show_copy_button=False)
         else:
             self.key_display.setText(fetched_key)
 
     def accept(self):
         if len(self.key_name) == 0 or len(self.user_name) == 0 or len(self.cc_number) == 0 or self.key_name.isspace() or self.user_name.isspace() or self.cc_number.isspace():
-            errmsg = "All fields are required!"
+            errmsg = u"All fields are required!"
             return error_dialog(None, "{0} {1}".format(PLUGIN_NAME, PLUGIN_VERSION), errmsg, show=True, show_copy_button=False)
         if len(self.key_name) < 4:
-            errmsg = "Key name must be at <i>least</i> 4 characters long!"
+            errmsg = u"Key name must be at <i>least</i> 4 characters long!"
             return error_dialog(None, "{0} {1}".format(PLUGIN_NAME, PLUGIN_VERSION), errmsg, show=True, show_copy_button=False)
         if len(self.key_value) == 0:
             self.retrieve_key()
@@ -622,37 +629,37 @@ class AddEReaderDialog(QDialog):
     def __init__(self, parent=None,):
         QDialog.__init__(self, parent)
         self.parent = parent
-        self.setWindowTitle("{0} {1}: Create New eReader Key".format(PLUGIN_NAME, PLUGIN_VERSION))
+        self.setWindowTitle(u"{0} {1}: Create New eReader Key".format(PLUGIN_NAME, PLUGIN_VERSION))
         layout = QVBoxLayout(self)
         self.setLayout(layout)
 
-        data_group_box = QGroupBox("", self)
+        data_group_box = QGroupBox(u"", self)
         layout.addWidget(data_group_box)
         data_group_box_layout = QVBoxLayout()
         data_group_box.setLayout(data_group_box_layout)
 
         key_group = QHBoxLayout()
         data_group_box_layout.addLayout(key_group)
-        key_group.addWidget(QLabel("Unique Key Name:", self))
+        key_group.addWidget(QLabel(u"Unique Key Name:", self))
         self.key_ledit = QLineEdit("", self)
-        self.key_ledit.setToolTip("<p>Enter an identifying name for this new key.\nIt should be something that will help you remember what personal information was used to create it.")
+        self.key_ledit.setToolTip(u"<p>Enter an identifying name for this new key.\nIt should be something that will help you remember what personal information was used to create it.")
         key_group.addWidget(self.key_ledit)
 
         name_group = QHBoxLayout()
         data_group_box_layout.addLayout(name_group)
-        name_group.addWidget(QLabel("Your Name:", self))
-        self.name_ledit = QLineEdit("", self)
-        self.name_ledit.setToolTip("Enter the name for this eReader key, usually the name on your credit card.\nIt will only be used to generate this one-time key and won\'t be stored anywhere in calibre or on your computer.\n(ex: Mr Jonathan Q Smith)")
+        name_group.addWidget(QLabel(u"Your Name:", self))
+        self.name_ledit = QLineEdit(u"", self)
+        self.name_ledit.setToolTip(u"Enter the name for this eReader key, usually the name on your credit card.\nIt will only be used to generate this one-time key and won\'t be stored anywhere in calibre or on your computer.\n(ex: Mr Jonathan Q Smith)")
         name_group.addWidget(self.name_ledit)
-        name_disclaimer_label = QLabel(_("(Will not be saved in configuration data)"), self)
+        name_disclaimer_label = QLabel(_(u"(Will not be saved in configuration data)"), self)
         name_disclaimer_label.setAlignment(Qt.AlignHCenter)
         data_group_box_layout.addWidget(name_disclaimer_label)
 
         ccn_group = QHBoxLayout()
         data_group_box_layout.addLayout(ccn_group)
-        ccn_group.addWidget(QLabel("Credit Card#:", self))
-        self.cc_ledit = QLineEdit("", self)
-        self.cc_ledit.setToolTip("<p>Enter the last 8 digits of credit card number for this eReader key.\nThey will only be used to generate this one-time key and won\'t be stored anywhere in calibre or on your computer.")
+        ccn_group.addWidget(QLabel(u"Credit Card#:", self))
+        self.cc_ledit = QLineEdit(u"", self)
+        self.cc_ledit.setToolTip(u"<p>Enter the last 8 digits of credit card number for this eReader key.\nThey will only be used to generate this one-time key and won\'t be stored anywhere in calibre or on your computer.")
         ccn_group.addWidget(self.cc_ledit)
         ccn_disclaimer_label = QLabel(_('(Will not be saved in configuration data)'), self)
         ccn_disclaimer_label.setAlignment(Qt.AlignHCenter)
@@ -668,31 +675,31 @@ class AddEReaderDialog(QDialog):
 
     @property
     def key_name(self):
-        return str(self.key_ledit.text()).strip()
+        return unicode(self.key_ledit.text()).strip()
 
     @property
     def key_value(self):
         from calibre_plugins.dedrm.erdr2pml import getuser_key as generate_ereader_key
-        return codecs.encode(generate_ereader_key(self.user_name, self.cc_number),'hex')
+        return generate_ereader_key(self.user_name,self.cc_number).encode('hex')
 
     @property
     def user_name(self):
-        return str(self.name_ledit.text()).strip().lower().replace(' ','')
+        return unicode(self.name_ledit.text()).strip().lower().replace(' ','')
 
     @property
     def cc_number(self):
-        return str(self.cc_ledit.text()).strip().replace(' ', '').replace('-','')
+        return unicode(self.cc_ledit.text()).strip().replace(' ', '').replace('-','')
 
 
     def accept(self):
         if len(self.key_name) == 0 or len(self.user_name) == 0 or len(self.cc_number) == 0 or self.key_name.isspace() or self.user_name.isspace() or self.cc_number.isspace():
-            errmsg = "All fields are required!"
+            errmsg = u"All fields are required!"
             return error_dialog(None, "{0} {1}".format(PLUGIN_NAME, PLUGIN_VERSION), errmsg, show=True, show_copy_button=False)
         if not self.cc_number.isdigit():
-            errmsg = "Numbers only in the credit card number field!"
+            errmsg = u"Numbers only in the credit card number field!"
             return error_dialog(None, "{0} {1}".format(PLUGIN_NAME, PLUGIN_VERSION), errmsg, show=True, show_copy_button=False)
         if len(self.key_name) < 4:
-            errmsg = "Key name must be at <i>least</i> 4 characters long!"
+            errmsg = u"Key name must be at <i>least</i> 4 characters long!"
             return error_dialog(None, "{0} {1}".format(PLUGIN_NAME, PLUGIN_VERSION), errmsg, show=True, show_copy_button=False)
         QDialog.accept(self)
 
@@ -701,7 +708,7 @@ class AddAdeptDialog(QDialog):
     def __init__(self, parent=None,):
         QDialog.__init__(self, parent)
         self.parent = parent
-        self.setWindowTitle("{0} {1}: Getting Default Adobe Digital Editions Key".format(PLUGIN_NAME, PLUGIN_VERSION))
+        self.setWindowTitle(u"{0} {1}: Getting Default Adobe Digital Editions Key".format(PLUGIN_NAME, PLUGIN_VERSION))
         layout = QVBoxLayout(self)
         self.setLayout(layout)
 
@@ -711,34 +718,34 @@ class AddAdeptDialog(QDialog):
 
                 defaultkeys = adeptkeys()
             else:  # linux
-                from .wineutils import WineGetKeys
+                from wineutils import WineGetKeys
 
-                scriptpath = os.path.join(parent.parent.alfdir,"adobekey.py")
-                defaultkeys = WineGetKeys(scriptpath, ".der",parent.getwineprefix())
+                scriptpath = os.path.join(parent.parent.alfdir,u"adobekey.py")
+                defaultkeys = WineGetKeys(scriptpath, u".der",parent.getwineprefix())
 
             self.default_key = defaultkeys[0]
         except:
             traceback.print_exc()
-            self.default_key = ""
+            self.default_key = u""
 
         self.button_box = QDialogButtonBox(QDialogButtonBox.Ok | QDialogButtonBox.Cancel)
 
         if len(self.default_key)>0:
-            data_group_box = QGroupBox("", self)
+            data_group_box = QGroupBox(u"", self)
             layout.addWidget(data_group_box)
             data_group_box_layout = QVBoxLayout()
             data_group_box.setLayout(data_group_box_layout)
 
             key_group = QHBoxLayout()
             data_group_box_layout.addLayout(key_group)
-            key_group.addWidget(QLabel("Unique Key Name:", self))
-            self.key_ledit = QLineEdit("default_key", self)
-            self.key_ledit.setToolTip("<p>Enter an identifying name for the current default Adobe Digital Editions key.")
+            key_group.addWidget(QLabel(u"Unique Key Name:", self))
+            self.key_ledit = QLineEdit(u"default_key", self)
+            self.key_ledit.setToolTip(u"<p>Enter an identifying name for the current default Adobe Digital Editions key.")
             key_group.addWidget(self.key_ledit)
 
             self.button_box.accepted.connect(self.accept)
         else:
-            default_key_error = QLabel("The default encryption key for Adobe Digital Editions could not be found.", self)
+            default_key_error = QLabel(u"The default encryption key for Adobe Digital Editions could not be found.", self)
             default_key_error.setAlignment(Qt.AlignHCenter)
             layout.addWidget(default_key_error)
             # if no default, bot buttons do the same
@@ -751,19 +758,19 @@ class AddAdeptDialog(QDialog):
 
     @property
     def key_name(self):
-        return str(self.key_ledit.text()).strip()
+        return unicode(self.key_ledit.text()).strip()
 
     @property
     def key_value(self):
-        return codecs.encode(self.default_key,'hex')
+        return self.default_key.encode('hex')
 
 
     def accept(self):
         if len(self.key_name) == 0 or self.key_name.isspace():
-            errmsg = "All fields are required!"
+            errmsg = u"All fields are required!"
             return error_dialog(None, "{0} {1}".format(PLUGIN_NAME, PLUGIN_VERSION), errmsg, show=True, show_copy_button=False)
         if len(self.key_name) < 4:
-            errmsg = "Key name must be at <i>least</i> 4 characters long!"
+            errmsg = u"Key name must be at <i>least</i> 4 characters long!"
             return error_dialog(None, "{0} {1}".format(PLUGIN_NAME, PLUGIN_VERSION), errmsg, show=True, show_copy_button=False)
         QDialog.accept(self)
 
@@ -772,7 +779,7 @@ class AddKindleDialog(QDialog):
     def __init__(self, parent=None,):
         QDialog.__init__(self, parent)
         self.parent = parent
-        self.setWindowTitle("{0} {1}: Getting Default Kindle for Mac/PC Key".format(PLUGIN_NAME, PLUGIN_VERSION))
+        self.setWindowTitle(u"{0} {1}: Getting Default Kindle for Mac/PC Key".format(PLUGIN_NAME, PLUGIN_VERSION))
         layout = QVBoxLayout(self)
         self.setLayout(layout)
 
@@ -782,37 +789,37 @@ class AddKindleDialog(QDialog):
 
                 defaultkeys = kindlekeys()
             else: # linux
-                from .wineutils import WineGetKeys
+                from wineutils import WineGetKeys
 
-                scriptpath = os.path.join(parent.parent.alfdir,"kindlekey.py")
-                defaultkeys = WineGetKeys(scriptpath, ".k4i",parent.getwineprefix())
+                scriptpath = os.path.join(parent.parent.alfdir,u"kindlekey.py")
+                defaultkeys = WineGetKeys(scriptpath, u".k4i",parent.getwineprefix())
 
             self.default_key = defaultkeys[0]
         except:
             traceback.print_exc()
-            self.default_key = ""
+            self.default_key = u""
 
         self.button_box = QDialogButtonBox(QDialogButtonBox.Ok | QDialogButtonBox.Cancel)
 
         if len(self.default_key)>0:
-            data_group_box = QGroupBox("", self)
+            data_group_box = QGroupBox(u"", self)
             layout.addWidget(data_group_box)
             data_group_box_layout = QVBoxLayout()
             data_group_box.setLayout(data_group_box_layout)
 
             key_group = QHBoxLayout()
             data_group_box_layout.addLayout(key_group)
-            key_group.addWidget(QLabel("Unique Key Name:", self))
-            self.key_ledit = QLineEdit("default_key", self)
-            self.key_ledit.setToolTip("<p>Enter an identifying name for the current default Kindle for Mac/PC key.")
+            key_group.addWidget(QLabel(u"Unique Key Name:", self))
+            self.key_ledit = QLineEdit(u"default_key", self)
+            self.key_ledit.setToolTip(u"<p>Enter an identifying name for the current default Kindle for Mac/PC key.")
             key_group.addWidget(self.key_ledit)
 
             self.button_box.accepted.connect(self.accept)
         else:
-            default_key_error = QLabel("The default encryption key for Kindle for Mac/PC could not be found.", self)
+            default_key_error = QLabel(u"The default encryption key for Kindle for Mac/PC could not be found.", self)
             default_key_error.setAlignment(Qt.AlignHCenter)
             layout.addWidget(default_key_error)
-
+            
             # if no default, both buttons do the same
             self.button_box.accepted.connect(self.reject)
 
@@ -823,7 +830,7 @@ class AddKindleDialog(QDialog):
 
     @property
     def key_name(self):
-        return str(self.key_ledit.text()).strip()
+        return unicode(self.key_ledit.text()).strip()
 
     @property
     def key_value(self):
@@ -832,10 +839,10 @@ class AddKindleDialog(QDialog):
 
     def accept(self):
         if len(self.key_name) == 0 or self.key_name.isspace():
-            errmsg = "All fields are required!"
+            errmsg = u"All fields are required!"
             return error_dialog(None, "{0} {1}".format(PLUGIN_NAME, PLUGIN_VERSION), errmsg, show=True, show_copy_button=False)
         if len(self.key_name) < 4:
-            errmsg = "Key name must be at <i>least</i> 4 characters long!"
+            errmsg = u"Key name must be at <i>least</i> 4 characters long!"
             return error_dialog(None, "{0} {1}".format(PLUGIN_NAME, PLUGIN_VERSION), errmsg, show=True, show_copy_button=False)
         QDialog.accept(self)
 
@@ -844,20 +851,20 @@ class AddSerialDialog(QDialog):
     def __init__(self, parent=None,):
         QDialog.__init__(self, parent)
         self.parent = parent
-        self.setWindowTitle("{0} {1}: Add New EInk Kindle Serial Number".format(PLUGIN_NAME, PLUGIN_VERSION))
+        self.setWindowTitle(u"{0} {1}: Add New EInk Kindle Serial Number".format(PLUGIN_NAME, PLUGIN_VERSION))
         layout = QVBoxLayout(self)
         self.setLayout(layout)
 
-        data_group_box = QGroupBox("", self)
+        data_group_box = QGroupBox(u"", self)
         layout.addWidget(data_group_box)
         data_group_box_layout = QVBoxLayout()
         data_group_box.setLayout(data_group_box_layout)
 
         key_group = QHBoxLayout()
         data_group_box_layout.addLayout(key_group)
-        key_group.addWidget(QLabel("EInk Kindle Serial Number:", self))
+        key_group.addWidget(QLabel(u"EInk Kindle Serial Number:", self))
         self.key_ledit = QLineEdit("", self)
-        self.key_ledit.setToolTip("Enter an eInk Kindle serial number. EInk Kindle serial numbers are 16 characters long and usually start with a 'B' or a '9'. Kindle Serial Numbers are case-sensitive, so be sure to enter the upper and lower case letters unchanged.")
+        self.key_ledit.setToolTip(u"Enter an eInk Kindle serial number. EInk Kindle serial numbers are 16 characters long and usually start with a 'B' or a '9'. Kindle Serial Numbers are case-sensitive, so be sure to enter the upper and lower case letters unchanged.")
         key_group.addWidget(self.key_ledit)
 
         self.button_box = QDialogButtonBox(QDialogButtonBox.Ok | QDialogButtonBox.Cancel)
@@ -869,18 +876,18 @@ class AddSerialDialog(QDialog):
 
     @property
     def key_name(self):
-        return str(self.key_ledit.text()).strip()
+        return unicode(self.key_ledit.text()).strip()
 
     @property
     def key_value(self):
-        return str(self.key_ledit.text()).replace(' ', '')
+        return unicode(self.key_ledit.text()).replace(' ', '')
 
     def accept(self):
         if len(self.key_name) == 0 or self.key_name.isspace():
-            errmsg = "Please enter an eInk Kindle Serial Number or click Cancel in the dialog."
+            errmsg = u"Please enter an eInk Kindle Serial Number or click Cancel in the dialog."
             return error_dialog(None, "{0} {1}".format(PLUGIN_NAME, PLUGIN_VERSION), errmsg, show=True, show_copy_button=False)
         if len(self.key_name) != 16:
-            errmsg = "EInk Kindle Serial Numbers must be 16 characters long. This is {0:d} characters long.".format(len(self.key_name))
+            errmsg = u"EInk Kindle Serial Numbers must be 16 characters long. This is {0:d} characters long.".format(len(self.key_name))
             return error_dialog(None, "{0} {1}".format(PLUGIN_NAME, PLUGIN_VERSION), errmsg, show=True, show_copy_button=False)
         QDialog.accept(self)
 
@@ -890,36 +897,36 @@ class AddAndroidDialog(QDialog):
 
         QDialog.__init__(self, parent)
         self.parent = parent
-        self.setWindowTitle("{0} {1}: Add new Kindle for Android Key".format(PLUGIN_NAME, PLUGIN_VERSION))
+        self.setWindowTitle(u"{0} {1}: Add new Kindle for Android Key".format(PLUGIN_NAME, PLUGIN_VERSION))
         layout = QVBoxLayout(self)
         self.setLayout(layout)
         self.button_box = QDialogButtonBox(QDialogButtonBox.Ok | QDialogButtonBox.Cancel)
 
-        data_group_box = QGroupBox("", self)
+        data_group_box = QGroupBox(u"", self)
         layout.addWidget(data_group_box)
         data_group_box_layout = QVBoxLayout()
         data_group_box.setLayout(data_group_box_layout)
 
         file_group = QHBoxLayout()
         data_group_box_layout.addLayout(file_group)
-        add_btn = QPushButton("Choose Backup File", self)
-        add_btn.setToolTip("Import Kindle for Android backup file.")
+        add_btn = QPushButton(u"Choose Backup File", self)
+        add_btn.setToolTip(u"Import Kindle for Android backup file.")
         add_btn.clicked.connect(self.get_android_file)
         file_group.addWidget(add_btn)
-        self.selected_file_name = QLabel("",self)
+        self.selected_file_name = QLabel(u"",self)
         self.selected_file_name.setAlignment(Qt.AlignHCenter)
         file_group.addWidget(self.selected_file_name)
-
+        
         key_group = QHBoxLayout()
         data_group_box_layout.addLayout(key_group)
-        key_group.addWidget(QLabel("Unique Key Name:", self))
-        self.key_ledit = QLineEdit("", self)
-        self.key_ledit.setToolTip("<p>Enter an identifying name for the Android for Kindle key.")
+        key_group.addWidget(QLabel(u"Unique Key Name:", self))
+        self.key_ledit = QLineEdit(u"", self)
+        self.key_ledit.setToolTip(u"<p>Enter an identifying name for the Android for Kindle key.")
         key_group.addWidget(self.key_ledit)
         #key_label = QLabel(_(''), self)
         #key_label.setAlignment(Qt.AlignHCenter)
         #data_group_box_layout.addWidget(key_label)
-
+        
         self.button_box.accepted.connect(self.accept)
         self.button_box.rejected.connect(self.reject)
         layout.addWidget(self.button_box)
@@ -927,23 +934,23 @@ class AddAndroidDialog(QDialog):
 
     @property
     def key_name(self):
-        return str(self.key_ledit.text()).strip()
+        return unicode(self.key_ledit.text()).strip()
 
     @property
     def file_name(self):
-        return str(self.selected_file_name.text()).strip()
+        return unicode(self.selected_file_name.text()).strip()
 
     @property
     def key_value(self):
         return self.serials_from_file
-
+        
     def get_android_file(self):
-        unique_dlg_name = PLUGIN_NAME + "Import Kindle for Android backup file" #takes care of automatically remembering last directory
-        caption = "Select Kindle for Android backup file to add"
-        filters = [("Kindle for Android backup files", ['db','ab','xml'])]
+        unique_dlg_name = PLUGIN_NAME + u"Import Kindle for Android backup file" #takes care of automatically remembering last directory
+        caption = u"Select Kindle for Android backup file to add"
+        filters = [(u"Kindle for Android backup files", ['db','ab','xml'])]
         files = choose_files(self, unique_dlg_name, caption, filters, all_files=False)
         self.serials_from_file = []
-        file_name = ""
+        file_name = u""
         if files:
             # find the first selected file that yields some serial numbers
             for filename in files:
@@ -954,17 +961,17 @@ class AddAndroidDialog(QDialog):
                     file_name = os.path.basename(self.filename)
                     self.serials_from_file.extend(file_serials)
         self.selected_file_name.setText(file_name)
-
+    
 
     def accept(self):
         if len(self.file_name) == 0 or len(self.key_value) == 0:
-            errmsg = "Please choose a Kindle for Android backup file."
+            errmsg = u"Please choose a Kindle for Android backup file."
             return error_dialog(None, "{0} {1}".format(PLUGIN_NAME, PLUGIN_VERSION), errmsg, show=True, show_copy_button=False)
         if len(self.key_name) == 0 or self.key_name.isspace():
-            errmsg = "Please enter a key name."
+            errmsg = u"Please enter a key name."
             return error_dialog(None, "{0} {1}".format(PLUGIN_NAME, PLUGIN_VERSION), errmsg, show=True, show_copy_button=False)
         if len(self.key_name) < 4:
-            errmsg = "Key name must be at <i>least</i> 4 characters long!"
+            errmsg = u"Key name must be at <i>least</i> 4 characters long!"
             return error_dialog(None, "{0} {1}".format(PLUGIN_NAME, PLUGIN_VERSION), errmsg, show=True, show_copy_button=False)
         QDialog.accept(self)
 
@@ -972,20 +979,20 @@ class AddPIDDialog(QDialog):
     def __init__(self, parent=None,):
         QDialog.__init__(self, parent)
         self.parent = parent
-        self.setWindowTitle("{0} {1}: Add New Mobipocket PID".format(PLUGIN_NAME, PLUGIN_VERSION))
+        self.setWindowTitle(u"{0} {1}: Add New Mobipocket PID".format(PLUGIN_NAME, PLUGIN_VERSION))
         layout = QVBoxLayout(self)
         self.setLayout(layout)
 
-        data_group_box = QGroupBox("", self)
+        data_group_box = QGroupBox(u"", self)
         layout.addWidget(data_group_box)
         data_group_box_layout = QVBoxLayout()
         data_group_box.setLayout(data_group_box_layout)
 
         key_group = QHBoxLayout()
         data_group_box_layout.addLayout(key_group)
-        key_group.addWidget(QLabel("PID:", self))
+        key_group.addWidget(QLabel(u"PID:", self))
         self.key_ledit = QLineEdit("", self)
-        self.key_ledit.setToolTip("Enter a Mobipocket PID. Mobipocket PIDs are 8 or 10 characters long. Mobipocket PIDs are case-sensitive, so be sure to enter the upper and lower case letters unchanged.")
+        self.key_ledit.setToolTip(u"Enter a Mobipocket PID. Mobipocket PIDs are 8 or 10 characters long. Mobipocket PIDs are case-sensitive, so be sure to enter the upper and lower case letters unchanged.")
         key_group.addWidget(self.key_ledit)
 
         self.button_box = QDialogButtonBox(QDialogButtonBox.Ok | QDialogButtonBox.Cancel)
@@ -997,18 +1004,18 @@ class AddPIDDialog(QDialog):
 
     @property
     def key_name(self):
-        return str(self.key_ledit.text()).strip()
+        return unicode(self.key_ledit.text()).strip()
 
     @property
     def key_value(self):
-        return str(self.key_ledit.text()).strip()
+        return unicode(self.key_ledit.text()).strip()
 
     def accept(self):
         if len(self.key_name) == 0 or self.key_name.isspace():
-            errmsg = "Please enter a Mobipocket PID or click Cancel in the dialog."
+            errmsg = u"Please enter a Mobipocket PID or click Cancel in the dialog."
             return error_dialog(None, "{0} {1}".format(PLUGIN_NAME, PLUGIN_VERSION), errmsg, show=True, show_copy_button=False)
         if len(self.key_name) != 8 and len(self.key_name) != 10:
-            errmsg = "Mobipocket PIDs must be 8 or 10 characters long. This is {0:d} characters long.".format(len(self.key_name))
+            errmsg = u"Mobipocket PIDs must be 8 or 10 characters long. This is {0:d} characters long.".format(len(self.key_name))
             return error_dialog(None, "{0} {1}".format(PLUGIN_NAME, PLUGIN_VERSION), errmsg, show=True, show_copy_button=False)
         QDialog.accept(self)
 

DeDRM_plugin/convert2xml.py

@@ -1,29 +1,20 @@
-#!/usr/bin/env python3
-# -*- coding: utf-8 -*-
+#! /usr/bin/python
 # vim:ts=4:sw=4:softtabstop=4:smarttab:expandtab
-
 # For use with Topaz Scripts Version 2.6
-# Python 3, September 2020
 
-# Wrap a stream so that output gets flushed immediately
-# and also make sure that any unicode strings get
-# encoded using "replace" before writing them.
-class SafeUnbuffered:
+from __future__ import print_function
+class Unbuffered:
     def __init__(self, stream):
         self.stream = stream
-        self.encoding = stream.encoding
-        if self.encoding == None:
-            self.encoding = "utf-8"
     def write(self, data):
-        if isinstance(data, str):
-            data = data.encode(self.encoding,"replace")
-        self.stream.buffer.write(data)
-        self.stream.buffer.flush()
-
+        self.stream.write(data)
+        self.stream.flush()
     def __getattr__(self, attr):
         return getattr(self.stream, attr)
 
 import sys
+sys.stdout=Unbuffered(sys.stdout)
+
 import csv
 import os
 import getopt
@@ -56,7 +47,7 @@ def readEncodedNumber(file):
             c = file.read(1)
             if (len(c) == 0):
                 return None
-            data = c[0]
+            data = ord(c)
             datax = (datax <<7) + (data & 0x7F)
         data = datax
 
@@ -116,7 +107,7 @@ def readString(file):
 def convert(i):
     result = ''
     val = encodeNumber(i)
-    for j in range(len(val)):
+    for j in xrange(len(val)):
         c = ord(val[j:j+1])
         result += '%02x' % c
     return result
@@ -130,10 +121,10 @@ class Dictionary(object):
     def __init__(self, dictFile):
         self.filename = dictFile
         self.size = 0
-        self.fo = open(dictFile,'rb')
+        self.fo = file(dictFile,'rb')
         self.stable = []
         self.size = readEncodedNumber(self.fo)
-        for i in range(self.size):
+        for i in xrange(self.size):
             self.stable.append(self.escapestr(readString(self.fo)))
         self.pos = 0
 
@@ -160,7 +151,7 @@ class Dictionary(object):
         return self.pos
 
     def dumpDict(self):
-        for i in range(self.size):
+        for i in xrange(self.size):
             print("%d %s %s" % (i, convert(i), self.stable[i]))
         return
 
@@ -170,7 +161,7 @@ class Dictionary(object):
 
 class PageParser(object):
     def __init__(self, filename, dict, debug, flat_xml):
-        self.fo = open(filename,'rb')
+        self.fo = file(filename,'rb')
         self.id = os.path.basename(filename).replace('.dat','')
         self.dict = dict
         self.debug = debug
@@ -188,232 +179,232 @@ class PageParser(object):
     # tag : (number of arguments, argument type, subtags present, special case of subtags presents when escaped)
 
     token_tags = {
-        b'x'            : (1, 'scalar_number', 0, 0),
-        b'y'            : (1, 'scalar_number', 0, 0),
-        b'h'            : (1, 'scalar_number', 0, 0),
-        b'w'            : (1, 'scalar_number', 0, 0),
-        b'firstWord'    : (1, 'scalar_number', 0, 0),
-        b'lastWord'     : (1, 'scalar_number', 0, 0),
-        b'rootID'       : (1, 'scalar_number', 0, 0),
-        b'stemID'       : (1, 'scalar_number', 0, 0),
-        b'type'         : (1, 'scalar_text', 0, 0),
+        'x'            : (1, 'scalar_number', 0, 0),
+        'y'            : (1, 'scalar_number', 0, 0),
+        'h'            : (1, 'scalar_number', 0, 0),
+        'w'            : (1, 'scalar_number', 0, 0),
+        'firstWord'    : (1, 'scalar_number', 0, 0),
+        'lastWord'     : (1, 'scalar_number', 0, 0),
+        'rootID'       : (1, 'scalar_number', 0, 0),
+        'stemID'       : (1, 'scalar_number', 0, 0),
+        'type'         : (1, 'scalar_text', 0, 0),
 
-        b'info'            : (0, 'number', 1, 0),
+        'info'            : (0, 'number', 1, 0),
 
-        b'info.word'            : (0, 'number', 1, 1),
-        b'info.word.ocrText'    : (1, 'text', 0, 0),
-        b'info.word.firstGlyph' : (1, 'raw', 0, 0),
-        b'info.word.lastGlyph'  : (1, 'raw', 0, 0),
-        b'info.word.bl'         : (1, 'raw', 0, 0),
-        b'info.word.link_id'    : (1, 'number', 0, 0),
+        'info.word'            : (0, 'number', 1, 1),
+        'info.word.ocrText'    : (1, 'text', 0, 0),
+        'info.word.firstGlyph' : (1, 'raw', 0, 0),
+        'info.word.lastGlyph'  : (1, 'raw', 0, 0),
+        'info.word.bl'         : (1, 'raw', 0, 0),
+        'info.word.link_id'    : (1, 'number', 0, 0),
 
-        b'glyph'           : (0, 'number', 1, 1),
-        b'glyph.x'         : (1, 'number', 0, 0),
-        b'glyph.y'         : (1, 'number', 0, 0),
-        b'glyph.glyphID'   : (1, 'number', 0, 0),
+        'glyph'           : (0, 'number', 1, 1),
+        'glyph.x'         : (1, 'number', 0, 0),
+        'glyph.y'         : (1, 'number', 0, 0),
+        'glyph.glyphID'   : (1, 'number', 0, 0),
 
-        b'dehyphen'          : (0, 'number', 1, 1),
-        b'dehyphen.rootID'   : (1, 'number', 0, 0),
-        b'dehyphen.stemID'   : (1, 'number', 0, 0),
-        b'dehyphen.stemPage' : (1, 'number', 0, 0),
-        b'dehyphen.sh'       : (1, 'number', 0, 0),
+        'dehyphen'          : (0, 'number', 1, 1),
+        'dehyphen.rootID'   : (1, 'number', 0, 0),
+        'dehyphen.stemID'   : (1, 'number', 0, 0),
+        'dehyphen.stemPage' : (1, 'number', 0, 0),
+        'dehyphen.sh'       : (1, 'number', 0, 0),
 
-        b'links'        : (0, 'number', 1, 1),
-        b'links.page'   : (1, 'number', 0, 0),
-        b'links.rel'    : (1, 'number', 0, 0),
-        b'links.row'    : (1, 'number', 0, 0),
-        b'links.title'  : (1, 'text', 0, 0),
-        b'links.href'   : (1, 'text', 0, 0),
-        b'links.type'   : (1, 'text', 0, 0),
-        b'links.id'     : (1, 'number', 0, 0),
+        'links'        : (0, 'number', 1, 1),
+        'links.page'   : (1, 'number', 0, 0),
+        'links.rel'    : (1, 'number', 0, 0),
+        'links.row'    : (1, 'number', 0, 0),
+        'links.title'  : (1, 'text', 0, 0),
+        'links.href'   : (1, 'text', 0, 0),
+        'links.type'   : (1, 'text', 0, 0),
+        'links.id'     : (1, 'number', 0, 0),
 
-        b'paraCont'          : (0, 'number', 1, 1),
-        b'paraCont.rootID'   : (1, 'number', 0, 0),
-        b'paraCont.stemID'   : (1, 'number', 0, 0),
-        b'paraCont.stemPage' : (1, 'number', 0, 0),
+        'paraCont'          : (0, 'number', 1, 1),
+        'paraCont.rootID'   : (1, 'number', 0, 0),
+        'paraCont.stemID'   : (1, 'number', 0, 0),
+        'paraCont.stemPage' : (1, 'number', 0, 0),
 
-        b'paraStems'        : (0, 'number', 1, 1),
-        b'paraStems.stemID' : (1, 'number', 0, 0),
+        'paraStems'        : (0, 'number', 1, 1),
+        'paraStems.stemID' : (1, 'number', 0, 0),
 
-        b'wordStems'          : (0, 'number', 1, 1),
-        b'wordStems.stemID'   : (1, 'number', 0, 0),
+        'wordStems'          : (0, 'number', 1, 1),
+        'wordStems.stemID'   : (1, 'number', 0, 0),
 
-        b'empty'          : (1, 'snippets', 1, 0),
+        'empty'          : (1, 'snippets', 1, 0),
 
-        b'page'           : (1, 'snippets', 1, 0),
-        b'page.class'     : (1, 'scalar_text', 0, 0),
-        b'page.pageid'    : (1, 'scalar_text', 0, 0),
-        b'page.pagelabel' : (1, 'scalar_text', 0, 0),
-        b'page.type'      : (1, 'scalar_text', 0, 0),
-        b'page.h'         : (1, 'scalar_number', 0, 0),
-        b'page.w'         : (1, 'scalar_number', 0, 0),
-        b'page.startID' : (1, 'scalar_number', 0, 0),
+        'page'           : (1, 'snippets', 1, 0),
+        'page.class'     : (1, 'scalar_text', 0, 0),
+        'page.pageid'    : (1, 'scalar_text', 0, 0),
+        'page.pagelabel' : (1, 'scalar_text', 0, 0),
+        'page.type'      : (1, 'scalar_text', 0, 0),
+        'page.h'         : (1, 'scalar_number', 0, 0),
+        'page.w'         : (1, 'scalar_number', 0, 0),
+        'page.startID' : (1, 'scalar_number', 0, 0),
 
-        b'group'           : (1, 'snippets', 1, 0),
-        b'group.class'     : (1, 'scalar_text', 0, 0),
-        b'group.type'      : (1, 'scalar_text', 0, 0),
-        b'group._tag'      : (1, 'scalar_text', 0, 0),
-        b'group.orientation': (1, 'scalar_text', 0, 0),
+        'group'           : (1, 'snippets', 1, 0),
+        'group.class'     : (1, 'scalar_text', 0, 0),
+        'group.type'      : (1, 'scalar_text', 0, 0),
+        'group._tag'      : (1, 'scalar_text', 0, 0),
+        'group.orientation': (1, 'scalar_text', 0, 0),
 
-        b'region'           : (1, 'snippets', 1, 0),
-        b'region.class'     : (1, 'scalar_text', 0, 0),
-        b'region.type'      : (1, 'scalar_text', 0, 0),
-        b'region.x'         : (1, 'scalar_number', 0, 0),
-        b'region.y'         : (1, 'scalar_number', 0, 0),
-        b'region.h'         : (1, 'scalar_number', 0, 0),
-        b'region.w'         : (1, 'scalar_number', 0, 0),
-        b'region.orientation' : (1, 'scalar_text', 0, 0),
+        'region'           : (1, 'snippets', 1, 0),
+        'region.class'     : (1, 'scalar_text', 0, 0),
+        'region.type'      : (1, 'scalar_text', 0, 0),
+        'region.x'         : (1, 'scalar_number', 0, 0),
+        'region.y'         : (1, 'scalar_number', 0, 0),
+        'region.h'         : (1, 'scalar_number', 0, 0),
+        'region.w'         : (1, 'scalar_number', 0, 0),
+        'region.orientation' : (1, 'scalar_text', 0, 0),
 
-        b'empty_text_region' : (1, 'snippets', 1, 0),
+        'empty_text_region' : (1, 'snippets', 1, 0),
 
-        b'img'                   : (1, 'snippets', 1, 0),
-        b'img.x'                 : (1, 'scalar_number', 0, 0),
-        b'img.y'                 : (1, 'scalar_number', 0, 0),
-        b'img.h'                 : (1, 'scalar_number', 0, 0),
-        b'img.w'                 : (1, 'scalar_number', 0, 0),
-        b'img.src'               : (1, 'scalar_number', 0, 0),
-        b'img.color_src'         : (1, 'scalar_number', 0, 0),
-        b'img.gridSize'          : (1, 'scalar_number', 0, 0),
-        b'img.gridBottomCenter'  : (1, 'scalar_number', 0, 0),
-        b'img.gridTopCenter'     : (1, 'scalar_number', 0, 0),
-        b'img.gridBeginCenter'   : (1, 'scalar_number', 0, 0),
-        b'img.gridEndCenter'     : (1, 'scalar_number', 0, 0),
-        b'img.image_type'        : (1, 'scalar_number', 0, 0),
+        'img'                   : (1, 'snippets', 1, 0),
+        'img.x'                 : (1, 'scalar_number', 0, 0),
+        'img.y'                 : (1, 'scalar_number', 0, 0),
+        'img.h'                 : (1, 'scalar_number', 0, 0),
+        'img.w'                 : (1, 'scalar_number', 0, 0),
+        'img.src'               : (1, 'scalar_number', 0, 0),
+        'img.color_src'         : (1, 'scalar_number', 0, 0),
+        'img.gridSize'          : (1, 'scalar_number', 0, 0),
+        'img.gridBottomCenter'  : (1, 'scalar_number', 0, 0),
+        'img.gridTopCenter'     : (1, 'scalar_number', 0, 0),
+        'img.gridBeginCenter'   : (1, 'scalar_number', 0, 0),
+        'img.gridEndCenter'     : (1, 'scalar_number', 0, 0),
+        'img.image_type'        : (1, 'scalar_number', 0, 0),
 
-        b'paragraph'           : (1, 'snippets', 1, 0),
-        b'paragraph.class'     : (1, 'scalar_text', 0, 0),
-        b'paragraph.firstWord' : (1, 'scalar_number', 0, 0),
-        b'paragraph.lastWord'  : (1, 'scalar_number', 0, 0),
-        b'paragraph.lastWord'  : (1, 'scalar_number', 0, 0),
-        b'paragraph.gridSize'  : (1, 'scalar_number', 0, 0),
-        b'paragraph.gridBottomCenter'  : (1, 'scalar_number', 0, 0),
-        b'paragraph.gridTopCenter'     : (1, 'scalar_number', 0, 0),
-        b'paragraph.gridBeginCenter'   : (1, 'scalar_number', 0, 0),
-        b'paragraph.gridEndCenter'     : (1, 'scalar_number', 0, 0),
+        'paragraph'           : (1, 'snippets', 1, 0),
+        'paragraph.class'     : (1, 'scalar_text', 0, 0),
+        'paragraph.firstWord' : (1, 'scalar_number', 0, 0),
+        'paragraph.lastWord'  : (1, 'scalar_number', 0, 0),
+        'paragraph.lastWord'  : (1, 'scalar_number', 0, 0),
+        'paragraph.gridSize'  : (1, 'scalar_number', 0, 0),
+        'paragraph.gridBottomCenter'  : (1, 'scalar_number', 0, 0),
+        'paragraph.gridTopCenter'     : (1, 'scalar_number', 0, 0),
+        'paragraph.gridBeginCenter'   : (1, 'scalar_number', 0, 0),
+        'paragraph.gridEndCenter'     : (1, 'scalar_number', 0, 0),
 
 
-        b'word_semantic'           : (1, 'snippets', 1, 1),
-        b'word_semantic.type'      : (1, 'scalar_text', 0, 0),
-        b'word_semantic.class'     : (1, 'scalar_text', 0, 0),
-        b'word_semantic.firstWord' : (1, 'scalar_number', 0, 0),
-        b'word_semantic.lastWord'  : (1, 'scalar_number', 0, 0),
-        b'word_semantic.gridBottomCenter'  : (1, 'scalar_number', 0, 0),
-        b'word_semantic.gridTopCenter'     : (1, 'scalar_number', 0, 0),
-        b'word_semantic.gridBeginCenter'   : (1, 'scalar_number', 0, 0),
-        b'word_semantic.gridEndCenter'     : (1, 'scalar_number', 0, 0),
+        'word_semantic'           : (1, 'snippets', 1, 1),
+        'word_semantic.type'      : (1, 'scalar_text', 0, 0),
+        'word_semantic.class'     : (1, 'scalar_text', 0, 0),
+        'word_semantic.firstWord' : (1, 'scalar_number', 0, 0),
+        'word_semantic.lastWord'  : (1, 'scalar_number', 0, 0),
+        'word_semantic.gridBottomCenter'  : (1, 'scalar_number', 0, 0),
+        'word_semantic.gridTopCenter'     : (1, 'scalar_number', 0, 0),
+        'word_semantic.gridBeginCenter'   : (1, 'scalar_number', 0, 0),
+        'word_semantic.gridEndCenter'     : (1, 'scalar_number', 0, 0),
 
-        b'word'            : (1, 'snippets', 1, 0),
-        b'word.type'       : (1, 'scalar_text', 0, 0),
-        b'word.class'      : (1, 'scalar_text', 0, 0),
-        b'word.firstGlyph' : (1, 'scalar_number', 0, 0),
-        b'word.lastGlyph'  : (1, 'scalar_number', 0, 0),
+        'word'            : (1, 'snippets', 1, 0),
+        'word.type'       : (1, 'scalar_text', 0, 0),
+        'word.class'      : (1, 'scalar_text', 0, 0),
+        'word.firstGlyph' : (1, 'scalar_number', 0, 0),
+        'word.lastGlyph'  : (1, 'scalar_number', 0, 0),
 
-        b'_span'           : (1, 'snippets', 1, 0),
-        b'_span.class'     : (1, 'scalar_text', 0, 0),
-        b'_span.firstWord' : (1, 'scalar_number', 0, 0),
-        b'_span.lastWord'  : (1, 'scalar_number', 0, 0),
-        b'_span.gridSize'  : (1, 'scalar_number', 0, 0),
-        b'_span.gridBottomCenter'  : (1, 'scalar_number', 0, 0),
-        b'_span.gridTopCenter' : (1, 'scalar_number', 0, 0),
-        b'_span.gridBeginCenter' : (1, 'scalar_number', 0, 0),
-        b'_span.gridEndCenter' : (1, 'scalar_number', 0, 0),
+        '_span'           : (1, 'snippets', 1, 0),
+        '_span.class'     : (1, 'scalar_text', 0, 0),
+        '_span.firstWord' : (1, 'scalar_number', 0, 0),
+        '_span.lastWord'  : (1, 'scalar_number', 0, 0),
+        '_span.gridSize'  : (1, 'scalar_number', 0, 0),
+        '_span.gridBottomCenter'  : (1, 'scalar_number', 0, 0),
+        '_span.gridTopCenter' : (1, 'scalar_number', 0, 0),
+        '_span.gridBeginCenter' : (1, 'scalar_number', 0, 0),
+        '_span.gridEndCenter' : (1, 'scalar_number', 0, 0),
 
-        b'span'           : (1, 'snippets', 1, 0),
-        b'span.firstWord' : (1, 'scalar_number', 0, 0),
-        b'span.lastWord'  : (1, 'scalar_number', 0, 0),
-        b'span.gridSize'  : (1, 'scalar_number', 0, 0),
-        b'span.gridBottomCenter'  : (1, 'scalar_number', 0, 0),
-        b'span.gridTopCenter' : (1, 'scalar_number', 0, 0),
-        b'span.gridBeginCenter' : (1, 'scalar_number', 0, 0),
-        b'span.gridEndCenter' : (1, 'scalar_number', 0, 0),
+        'span'           : (1, 'snippets', 1, 0),
+        'span.firstWord' : (1, 'scalar_number', 0, 0),
+        'span.lastWord'  : (1, 'scalar_number', 0, 0),
+        'span.gridSize'  : (1, 'scalar_number', 0, 0),
+        'span.gridBottomCenter'  : (1, 'scalar_number', 0, 0),
+        'span.gridTopCenter' : (1, 'scalar_number', 0, 0),
+        'span.gridBeginCenter' : (1, 'scalar_number', 0, 0),
+        'span.gridEndCenter' : (1, 'scalar_number', 0, 0),
 
-        b'extratokens'                   : (1, 'snippets', 1, 0),
-        b'extratokens.class'             : (1, 'scalar_text', 0, 0),
-        b'extratokens.type'              : (1, 'scalar_text', 0, 0),
-        b'extratokens.firstGlyph'        : (1, 'scalar_number', 0, 0),
-        b'extratokens.lastGlyph'         : (1, 'scalar_number', 0, 0),
-        b'extratokens.gridSize'          : (1, 'scalar_number', 0, 0),
-        b'extratokens.gridBottomCenter'  : (1, 'scalar_number', 0, 0),
-        b'extratokens.gridTopCenter'     : (1, 'scalar_number', 0, 0),
-        b'extratokens.gridBeginCenter'   : (1, 'scalar_number', 0, 0),
-        b'extratokens.gridEndCenter'     : (1, 'scalar_number', 0, 0),
+        'extratokens'                   : (1, 'snippets', 1, 0),
+        'extratokens.class'             : (1, 'scalar_text', 0, 0),
+        'extratokens.type'              : (1, 'scalar_text', 0, 0),
+        'extratokens.firstGlyph'        : (1, 'scalar_number', 0, 0),
+        'extratokens.lastGlyph'         : (1, 'scalar_number', 0, 0),
+        'extratokens.gridSize'          : (1, 'scalar_number', 0, 0),
+        'extratokens.gridBottomCenter'  : (1, 'scalar_number', 0, 0),
+        'extratokens.gridTopCenter'     : (1, 'scalar_number', 0, 0),
+        'extratokens.gridBeginCenter'   : (1, 'scalar_number', 0, 0),
+        'extratokens.gridEndCenter'     : (1, 'scalar_number', 0, 0),
 
-        b'glyph.h'      : (1, 'number', 0, 0),
-        b'glyph.w'      : (1, 'number', 0, 0),
-        b'glyph.use'    : (1, 'number', 0, 0),
-        b'glyph.vtx'    : (1, 'number', 0, 1),
-        b'glyph.len'    : (1, 'number', 0, 1),
-        b'glyph.dpi'    : (1, 'number', 0, 0),
-        b'vtx'          : (0, 'number', 1, 1),
-        b'vtx.x'        : (1, 'number', 0, 0),
-        b'vtx.y'        : (1, 'number', 0, 0),
-        b'len'          : (0, 'number', 1, 1),
-        b'len.n'        : (1, 'number', 0, 0),
+        'glyph.h'      : (1, 'number', 0, 0),
+        'glyph.w'      : (1, 'number', 0, 0),
+        'glyph.use'    : (1, 'number', 0, 0),
+        'glyph.vtx'    : (1, 'number', 0, 1),
+        'glyph.len'    : (1, 'number', 0, 1),
+        'glyph.dpi'    : (1, 'number', 0, 0),
+        'vtx'          : (0, 'number', 1, 1),
+        'vtx.x'        : (1, 'number', 0, 0),
+        'vtx.y'        : (1, 'number', 0, 0),
+        'len'          : (0, 'number', 1, 1),
+        'len.n'        : (1, 'number', 0, 0),
 
-        b'book'         : (1, 'snippets', 1, 0),
-        b'version'      : (1, 'snippets', 1, 0),
-        b'version.FlowEdit_1_id'            : (1, 'scalar_text', 0, 0),
-        b'version.FlowEdit_1_version'       : (1, 'scalar_text', 0, 0),
-        b'version.Schema_id'                : (1, 'scalar_text', 0, 0),
-        b'version.Schema_version'           : (1, 'scalar_text', 0, 0),
-        b'version.Topaz_version'            : (1, 'scalar_text', 0, 0),
-        b'version.WordDetailEdit_1_id'      : (1, 'scalar_text', 0, 0),
-        b'version.WordDetailEdit_1_version' : (1, 'scalar_text', 0, 0),
-        b'version.ZoneEdit_1_id'            : (1, 'scalar_text', 0, 0),
-        b'version.ZoneEdit_1_version'       : (1, 'scalar_text', 0, 0),
-        b'version.chapterheaders'           : (1, 'scalar_text', 0, 0),
-        b'version.creation_date'            : (1, 'scalar_text', 0, 0),
-        b'version.header_footer'            : (1, 'scalar_text', 0, 0),
-        b'version.init_from_ocr'            : (1, 'scalar_text', 0, 0),
-        b'version.letter_insertion'         : (1, 'scalar_text', 0, 0),
-        b'version.xmlinj_convert'           : (1, 'scalar_text', 0, 0),
-        b'version.xmlinj_reflow'            : (1, 'scalar_text', 0, 0),
-        b'version.xmlinj_transform'         : (1, 'scalar_text', 0, 0),
-        b'version.findlists'                : (1, 'scalar_text', 0, 0),
-        b'version.page_num'                 : (1, 'scalar_text', 0, 0),
-        b'version.page_type'                : (1, 'scalar_text', 0, 0),
-        b'version.bad_text'                 : (1, 'scalar_text', 0, 0),
-        b'version.glyph_mismatch'           : (1, 'scalar_text', 0, 0),
-        b'version.margins'                  : (1, 'scalar_text', 0, 0),
-        b'version.staggered_lines'          : (1, 'scalar_text', 0, 0),
-        b'version.paragraph_continuation'   : (1, 'scalar_text', 0, 0),
-        b'version.toc'                      : (1, 'scalar_text', 0, 0),
+        'book'         : (1, 'snippets', 1, 0),
+        'version'      : (1, 'snippets', 1, 0),
+        'version.FlowEdit_1_id'            : (1, 'scalar_text', 0, 0),
+        'version.FlowEdit_1_version'       : (1, 'scalar_text', 0, 0),
+        'version.Schema_id'                : (1, 'scalar_text', 0, 0),
+        'version.Schema_version'           : (1, 'scalar_text', 0, 0),
+        'version.Topaz_version'            : (1, 'scalar_text', 0, 0),
+        'version.WordDetailEdit_1_id'      : (1, 'scalar_text', 0, 0),
+        'version.WordDetailEdit_1_version' : (1, 'scalar_text', 0, 0),
+        'version.ZoneEdit_1_id'            : (1, 'scalar_text', 0, 0),
+        'version.ZoneEdit_1_version'       : (1, 'scalar_text', 0, 0),
+        'version.chapterheaders'           : (1, 'scalar_text', 0, 0),
+        'version.creation_date'            : (1, 'scalar_text', 0, 0),
+        'version.header_footer'            : (1, 'scalar_text', 0, 0),
+        'version.init_from_ocr'            : (1, 'scalar_text', 0, 0),
+        'version.letter_insertion'         : (1, 'scalar_text', 0, 0),
+        'version.xmlinj_convert'           : (1, 'scalar_text', 0, 0),
+        'version.xmlinj_reflow'            : (1, 'scalar_text', 0, 0),
+        'version.xmlinj_transform'         : (1, 'scalar_text', 0, 0),
+        'version.findlists'                : (1, 'scalar_text', 0, 0),
+        'version.page_num'                 : (1, 'scalar_text', 0, 0),
+        'version.page_type'                : (1, 'scalar_text', 0, 0),
+        'version.bad_text'                 : (1, 'scalar_text', 0, 0),
+        'version.glyph_mismatch'           : (1, 'scalar_text', 0, 0),
+        'version.margins'                  : (1, 'scalar_text', 0, 0),
+        'version.staggered_lines'          : (1, 'scalar_text', 0, 0),
+        'version.paragraph_continuation'   : (1, 'scalar_text', 0, 0),
+        'version.toc'                      : (1, 'scalar_text', 0, 0),
 
-        b'stylesheet'                : (1, 'snippets', 1, 0),
-        b'style'                     : (1, 'snippets', 1, 0),
-        b'style._tag'                : (1, 'scalar_text', 0, 0),
-        b'style.type'                : (1, 'scalar_text', 0, 0),
-        b'style._after_type'         : (1, 'scalar_text', 0, 0),
-        b'style._parent_type'        : (1, 'scalar_text', 0, 0),
-        b'style._after_parent_type'  : (1, 'scalar_text', 0, 0),
-        b'style.class'               : (1, 'scalar_text', 0, 0),
-        b'style._after_class'        : (1, 'scalar_text', 0, 0),
-        b'rule'                      : (1, 'snippets', 1, 0),
-        b'rule.attr'                 : (1, 'scalar_text', 0, 0),
-        b'rule.value'                : (1, 'scalar_text', 0, 0),
+        'stylesheet'                : (1, 'snippets', 1, 0),
+        'style'                     : (1, 'snippets', 1, 0),
+        'style._tag'                : (1, 'scalar_text', 0, 0),
+        'style.type'                : (1, 'scalar_text', 0, 0),
+        'style._after_type'         : (1, 'scalar_text', 0, 0),
+        'style._parent_type'        : (1, 'scalar_text', 0, 0),
+        'style._after_parent_type'  : (1, 'scalar_text', 0, 0),
+        'style.class'               : (1, 'scalar_text', 0, 0),
+        'style._after_class'        : (1, 'scalar_text', 0, 0),
+        'rule'                      : (1, 'snippets', 1, 0),
+        'rule.attr'                 : (1, 'scalar_text', 0, 0),
+        'rule.value'                : (1, 'scalar_text', 0, 0),
 
-        b'original'      : (0, 'number', 1, 1),
-        b'original.pnum' : (1, 'number', 0, 0),
-        b'original.pid'  : (1, 'text', 0, 0),
-        b'pages'        : (0, 'number', 1, 1),
-        b'pages.ref'    : (1, 'number', 0, 0),
-        b'pages.id'     : (1, 'number', 0, 0),
-        b'startID'      : (0, 'number', 1, 1),
-        b'startID.page' : (1, 'number', 0, 0),
-        b'startID.id'   : (1, 'number', 0, 0),
+        'original'      : (0, 'number', 1, 1),
+        'original.pnum' : (1, 'number', 0, 0),
+        'original.pid'  : (1, 'text', 0, 0),
+        'pages'        : (0, 'number', 1, 1),
+        'pages.ref'    : (1, 'number', 0, 0),
+        'pages.id'     : (1, 'number', 0, 0),
+        'startID'      : (0, 'number', 1, 1),
+        'startID.page' : (1, 'number', 0, 0),
+        'startID.id'   : (1, 'number', 0, 0),
+    
+        'median_d'          : (1, 'number', 0, 0),
+        'median_h'          : (1, 'number', 0, 0),
+        'median_firsty'     : (1, 'number', 0, 0),
+        'median_lasty'      : (1, 'number', 0, 0),
 
-        b'median_d'          : (1, 'number', 0, 0),
-        b'median_h'          : (1, 'number', 0, 0),
-        b'median_firsty'     : (1, 'number', 0, 0),
-        b'median_lasty'      : (1, 'number', 0, 0),
+        'num_footers_maybe' : (1, 'number', 0, 0),
+        'num_footers_yes'   : (1, 'number', 0, 0),
+        'num_headers_maybe' : (1, 'number', 0, 0),
+        'num_headers_yes'   : (1, 'number', 0, 0),
 
-        b'num_footers_maybe' : (1, 'number', 0, 0),
-        b'num_footers_yes'   : (1, 'number', 0, 0),
-        b'num_headers_maybe' : (1, 'number', 0, 0),
-        b'num_headers_yes'   : (1, 'number', 0, 0),
-
-        b'tracking'          : (1, 'number', 0, 0),
-        b'src'               : (1, 'text', 0, 0),
+        'tracking'          : (1, 'number', 0, 0),
+        'src'               : (1, 'text', 0, 0),
 
      }
 
@@ -429,8 +420,8 @@ class PageParser(object):
     def get_tagpath(self, i):
         cnt = len(self.tagpath)
         if i < cnt : result = self.tagpath[i]
-        for j in range(i+1, cnt) :
-            result += b'.' + self.tagpath[j]
+        for j in xrange(i+1, cnt) :
+            result += '.' + self.tagpath[j]
         return result
 
 
@@ -481,7 +472,7 @@ class PageParser(object):
 
         if self.debug : print('Processing: ', self.get_tagpath(0))
         cnt = self.tagpath_len()
-        for j in range(cnt):
+        for j in xrange(cnt):
             tkn = self.get_tagpath(j)
             if tkn in self.token_tags :
                 num_args = self.token_tags[tkn][0]
@@ -505,8 +496,8 @@ class PageParser(object):
 
             if (subtags == 1):
                 ntags = readEncodedNumber(self.fo)
-                if self.debug : print('subtags: ', token , ' has ' , str(ntags))
-                for j in range(ntags):
+                if self.debug : print('subtags: ' + token + ' has ' + str(ntags))
+                for j in xrange(ntags):
                     val = readEncodedNumber(self.fo)
                     subtagres.append(self.procToken(self.dict.lookup(val)))
 
@@ -520,7 +511,7 @@ class PageParser(object):
                     argres = self.decodeCMD(arg,argtype)
                 else :
                     # num_arg scalar arguments
-                    for i in range(num_args):
+                    for i in xrange(num_args):
                         argres.append(self.formatArg(readEncodedNumber(self.fo), argtype))
 
             # build the return tag
@@ -555,7 +546,7 @@ class PageParser(object):
             result += 'of the document is indicated by snippet number sets at the\n'
             result += 'end of each snippet. \n'
             print(result)
-        for i in range(cnt):
+        for i in xrange(cnt):
             if self.debug: print('Snippet:',str(i))
             snippet = []
             snippet.append(i)
@@ -574,12 +565,12 @@ class PageParser(object):
             adj = readEncodedNumber(self.fo)
         mode = mode >> 1
         x = []
-        for i in range(cnt):
+        for i in xrange(cnt):
             x.append(readEncodedNumber(self.fo) - adj)
-        for i in range(mode):
-            for j in range(1, cnt):
+        for i in xrange(mode):
+            for j in xrange(1, cnt):
                 x[j] = x[j] + x[j - 1]
-        for i in range(cnt):
+        for i in xrange(cnt):
             result.append(self.formatArg(x[i],argtype))
         return result
 
@@ -613,7 +604,7 @@ class PageParser(object):
         subtagList = tag[1]
         argtype = tag[2]
         argList = tag[3]
-        nname = prefix + b'.' + name
+        nname = prefix + '.' + name
         nsubtaglist = []
         for j in subtagList:
             nsubtaglist.append(self.updateName(j,prefix))
@@ -662,34 +653,34 @@ class PageParser(object):
         subtagList = node[1]
         argtype = node[2]
         argList = node[3]
-        fullpathname = name.split(b'.')
+        fullpathname = name.split('.')
         nodename = fullpathname.pop()
         ilvl = len(fullpathname)
-        indent = b' ' * (3 * ilvl)
+        indent = ' ' * (3 * ilvl)
         rlst = []
-        rlst.append(indent + b'<' + nodename + b'>')
+        rlst.append(indent + '<' + nodename + '>')
         if len(argList) > 0:
             alst = []
             for j in argList:
-                if (argtype == b'text') or (argtype == b'scalar_text') :
-                    alst.append(j + b'|')
+                if (argtype == 'text') or (argtype == 'scalar_text') :
+                    alst.append(j + '|')
                 else :
-                    alst.append(str(j).encode('utf-8') + b',')
-            argres = b"".join(alst)
+                    alst.append(str(j) + ',')
+            argres = "".join(alst)
             argres = argres[0:-1]
-            if argtype == b'snippets' :
-                rlst.append(b'snippets:' + argres)
+            if argtype == 'snippets' :
+                rlst.append('snippets:' + argres)
             else :
                 rlst.append(argres)
         if len(subtagList) > 0 :
-            rlst.append(b'\n')
+            rlst.append('\n')
             for j in subtagList:
                 if len(j) > 0 :
                     rlst.append(self.formatTag(j))
-            rlst.append(indent + b'</' + nodename + b'>\n')
+            rlst.append(indent + '</' + nodename + '>\n')
         else:
-            rlst.append(b'</' + nodename + b'>\n')
-        return b"".join(rlst)
+            rlst.append('</' + nodename + '>\n')
+        return "".join(rlst)
 
 
     # flatten tag
@@ -704,20 +695,20 @@ class PageParser(object):
             alst = []
             for j in argList:
                 if (argtype == 'text') or (argtype == 'scalar_text') :
-                     alst.append(j + b'|')
+                    alst.append(j + '|')
                 else :
-                    alst.append(str(j).encode('utf-8') + b'|')
-            argres = b"".join(alst)
+                    alst.append(str(j) + '|')
+            argres = "".join(alst)
             argres = argres[0:-1]
-            if argtype == b'snippets' :
-                rlst.append(b'.snippets=' + argres)
+            if argtype == 'snippets' :
+                rlst.append('.snippets=' + argres)
             else :
-                rlst.append(b'=' + argres)
-        rlst.append(b'\n')
+                rlst.append('=' + argres)
+        rlst.append('\n')
         for j in subtagList:
             if len(j) > 0 :
                 rlst.append(self.flattenTag(j))
-        return b"".join(rlst)
+        return "".join(rlst)
 
 
     # reduce create xml output
@@ -729,7 +720,7 @@ class PageParser(object):
                     rlst.append(self.flattenTag(j))
                 else:
                     rlst.append(self.formatTag(j))
-        result = b"".join(rlst)
+        result = "".join(rlst)
         if self.debug : print(result)
         return result
 
@@ -747,16 +738,16 @@ class PageParser(object):
 
         # peek at the first bytes to see what type of file it is
         magic = self.fo.read(9)
-        if (magic[0:1] == b'p') and (magic[2:9] == b'marker_'):
-            first_token = b'info'
-        elif (magic[0:1] == b'p') and (magic[2:9] == b'__PAGE_'):
+        if (magic[0:1] == 'p') and (magic[2:9] == 'marker_'):
+            first_token = 'info'
+        elif (magic[0:1] == 'p') and (magic[2:9] == '__PAGE_'):
             skip = self.fo.read(2)
-            first_token = b'info'
-        elif (magic[0:1] == b'p') and (magic[2:8] == b'_PAGE_'):
-            first_token = b'info'
-        elif (magic[0:1] == b'g') and (magic[2:9] == b'__GLYPH'):
+            first_token = 'info'
+        elif (magic[0:1] == 'p') and (magic[2:8] == '_PAGE_'):
+            first_token = 'info'
+        elif (magic[0:1] == 'g') and (magic[2:9] == '__GLYPH'):
             skip = self.fo.read(3)
-            first_token = b'info'
+            first_token = 'info'
         else :
             # other0.dat file
             first_token = None
@@ -778,7 +769,7 @@ class PageParser(object):
                 break
 
             if (v == 0x72):
-                self.doLoop72(b'number')
+                self.doLoop72('number')
             elif (v > 0) and (v < self.dict.getSize()) :
                 tag = self.procToken(self.dict.lookup(v))
                 if len(tag) > 0 :
@@ -789,7 +780,7 @@ class PageParser(object):
                 if (v == 0):
                     if (self.peek(1) == 0x5f):
                         skip = self.fo.read(1)
-                        first_token = b'info'
+                        first_token = 'info'
 
         # now do snippet injection
         if len(self.snippetList) > 0 :
@@ -809,14 +800,14 @@ class PageParser(object):
 
 def fromData(dict, fname):
     flat_xml = True
-    debug = True
+    debug = False
     pp = PageParser(fname, dict, debug, flat_xml)
     xmlpage = pp.process()
     return xmlpage
 
 def getXML(dict, fname):
     flat_xml = False
-    debug = True
+    debug = False
     pp = PageParser(fname, dict, debug, flat_xml)
     xmlpage = pp.process()
     return xmlpage
@@ -841,11 +832,9 @@ def usage():
 #
 
 def main(argv):
-    sys.stdout=SafeUnbuffered(sys.stdout)
-    sys.stderr=SafeUnbuffered(sys.stderr)
     dictFile = ""
     pageFile = ""
-    debug = True
+    debug = False
     flat_xml = False
     printOutput = False
     if len(argv) == 0:
@@ -855,7 +844,7 @@ def main(argv):
     try:
         opts, args = getopt.getopt(argv[1:], "hd", ["flat-xml"])
 
-    except getopt.GetoptError as err:
+    except getopt.GetoptError, err:
 
         # print help information and exit:
         print(str(err)) # will print something like "option -a not recognized"

DeDRM_plugin/encodebase64.py

@@ -0,0 +1,46 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+# base64.py, version 1.0
+# Copyright © 2010 Apprentice Alf
+
+# Released under the terms of the GNU General Public Licence, version 3 or
+# later.  <http://www.gnu.org/licenses/>
+
+# Revision history:
+#   1 - Initial release. To allow Applescript to do base64 encoding
+
+"""
+Provide base64 encoding.
+"""
+
+from __future__ import with_statement
+from __future__ import print_function
+
+__license__ = 'GPL v3'
+
+import sys
+import os
+import base64
+
+def usage(progname):
+    print("Applies base64 encoding to the supplied file, sending to standard output")
+    print("Usage:")
+    print("    %s <infile>" % progname)
+
+def cli_main(argv=sys.argv):
+    progname = os.path.basename(argv[0])
+
+    if len(argv)<2:
+        usage(progname)
+        sys.exit(2)
+
+    keypath = argv[1]
+    with open(keypath, 'rb') as f:
+        keyder = f.read()
+        print(keyder.encode('base64'))
+    return 0
+
+
+if __name__ == '__main__':
+    sys.exit(cli_main())

DeDRM_plugin/epubtest.py

@@ -1,5 +1,4 @@
-#!/usr/bin/env python3
-# -*- coding: utf-8 -*-
+#!/usr/bin/python
 #
 # This is a python script. You need a Python interpreter to run it.
 # For example, ActiveState Python, which exists for windows.
@@ -11,7 +10,6 @@
 # Changelog epubtest
 #  1.00 - Cut to epubtest.py, testing ePub files only by Apprentice Alf
 #  1.01 - Added routine for use by Windows DeDRM
-#  2.00 - Python 3, September 2020
 #
 # Written in 2011 by Paul Durrant
 # Released with unlicense. See http://unlicense.org/
@@ -46,7 +44,10 @@
 # It's still polite to give attribution if you do reuse this code.
 #
 
-__version__ = '2.0'
+from __future__ import with_statement
+from __future__ import print_function
+
+__version__ = '1.01'
 
 import sys, struct, os, traceback
 import zlib
@@ -66,11 +67,10 @@ class SafeUnbuffered:
         if self.encoding == None:
             self.encoding = "utf-8"
     def write(self, data):
-        if isinstance(data, str):
+        if isinstance(data,unicode):
             data = data.encode(self.encoding,"replace")
-        self.stream.buffer.write(data)
-        self.stream.buffer.flush()
-
+        self.stream.write(data)
+        self.stream.flush()
     def __getattr__(self, attr):
         return getattr(self.stream, attr)
 
@@ -108,13 +108,15 @@ def unicode_argv():
             # Remove Python executable and commands if present
             start = argc.value - len(sys.argv)
             return [argv[i] for i in
-                    range(start, argc.value)]
+                    xrange(start, argc.value)]
         # if we don't have any arguments at all, just pass back script name
         # this should never happen
-        return ["epubtest.py"]
+        return [u"epubtest.py"]
     else:
-        argvencoding = sys.stdin.encoding or "utf-8"
-        return [arg if isinstance(arg, str) else str(arg, argvencoding) for arg in sys.argv]
+        argvencoding = sys.stdin.encoding
+        if argvencoding == None:
+            argvencoding = "utf-8"
+        return [arg if (type(arg) == unicode) else unicode(arg,argvencoding) for arg in sys.argv]
 
 _FILENAME_LEN_OFFSET = 26
 _EXTRA_LEN_OFFSET = 28

DeDRM_plugin/erdr2pml.py

@@ -1,9 +1,13 @@
-#!/usr/bin/env python3
+#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
 # erdr2pml.py
-# Copyright © 2008-2020 The Dark Reverser, Apprentice Harper et al.
+# Copyright © 2008 The Dark Reverser
 #
+# Modified 2008–2012 by some_updates, DiapDealer and Apprentice Alf
+
+# This is a python script. You need a Python interpreter to run it.
+# For example, ActiveState Python, which exists for windows.
 # Changelog
 #
 #  Based on ereader2html version 0.08 plus some later small fixes
@@ -63,9 +67,8 @@
 #       - Ignore sidebars for dictionaries (different format?)
 #  0.22 - Unicode and plugin support, different image folders for PMLZ and source
 #  0.23 - moved unicode_argv call inside main for Windows DeDRM compatibility
-#  1.00 - Added Python 3 compatibility for calibre 5.0
 
-__version__='1.00'
+__version__='0.23'
 
 import sys, re
 import struct, binascii, getopt, zlib, os, os.path, urllib, tempfile, traceback
@@ -85,10 +88,10 @@ class SafeUnbuffered:
         if self.encoding == None:
             self.encoding = "utf-8"
     def write(self, data):
-        if isinstance(data,str):
+        if isinstance(data,unicode):
             data = data.encode(self.encoding,"replace")
-        self.stream.buffer.write(data)
-        self.stream.buffer.flush()
+        self.stream.write(data)
+        self.stream.flush()
     def __getattr__(self, attr):
         return getattr(self.stream, attr)
 
@@ -123,13 +126,15 @@ def unicode_argv():
             # Remove Python executable and commands if present
             start = argc.value - len(sys.argv)
             return [argv[i] for i in
-                    range(start, argc.value)]
+                    xrange(start, argc.value)]
         # if we don't have any arguments at all, just pass back script name
         # this should never happen
-        return ["mobidedrm.py"]
+        return [u"mobidedrm.py"]
     else:
-        argvencoding = sys.stdin.encoding or "utf-8"
-        return [arg if isinstance(arg, str) else str(arg, argvencoding) for arg in sys.argv]
+        argvencoding = sys.stdin.encoding
+        if argvencoding == None:
+            argvencoding = "utf-8"
+        return [arg if (type(arg) == unicode) else unicode(arg,argvencoding) for arg in sys.argv]
 
 Des = None
 if iswindows:
@@ -195,7 +200,7 @@ class Sectionizer(object):
     bkType = "Book"
 
     def __init__(self, filename, ident):
-        self.contents = open(filename, 'rb').read()
+        self.contents = file(filename, 'rb').read()
         self.header = self.contents[0:72]
         self.num_sections, = struct.unpack('>H', self.contents[76:78])
         # Dictionary or normal content (TODO: Not hard-coded)
@@ -205,7 +210,7 @@ class Sectionizer(object):
             else:
                 raise ValueError('Invalid file format')
         self.sections = []
-        for i in range(self.num_sections):
+        for i in xrange(self.num_sections):
             offset, a1,a2,a3,a4 = struct.unpack('>LBBBB', self.contents[78+i*8:78+i*8+8])
             flags, val = a1, a2<<16|a3<<8|a4
             self.sections.append( (offset, flags, val) )
@@ -224,16 +229,16 @@ class Sectionizer(object):
 # and with some (heavily edited) code from Paul Durrant's kindlenamer.py
 def sanitizeFileName(name):
     # substitute filename unfriendly characters
-    name = name.replace("<","[").replace(">","]").replace(" : "," – ").replace(": "," – ").replace(":","—").replace("/","_").replace("\\","_").replace("|","_").replace("\"","\'")
+    name = name.replace(u"<",u"[").replace(u">",u"]").replace(u" : ",u" – ").replace(u": ",u" – ").replace(u":",u"—").replace(u"/",u"_").replace(u"\\",u"_").replace(u"|",u"_").replace(u"\"",u"\'")
     # delete control characters
-    name = "".join(char for char in name if ord(char)>=32)
+    name = u"".join(char for char in name if ord(char)>=32)
     # white space to single space, delete leading and trailing while space
-    name = re.sub(r"\s", " ", name).strip()
+    name = re.sub(ur"\s", u" ", name).strip()
     # remove leading dots
-    while len(name)>0 and name[0] == ".":
+    while len(name)>0 and name[0] == u".":
         name = name[1:]
     # remove trailing dots (Windows doesn't like them)
-    if name.endswith("."):
+    if name.endswith(u'.'):
         name = name[:-1]
     return name
 
@@ -245,7 +250,7 @@ def fixKey(key):
 def deXOR(text, sp, table):
     r=''
     j = sp
-    for i in range(len(text)):
+    for i in xrange(len(text)):
         r += chr(ord(table[j]) ^ ord(text[i]))
         j = j + 1
         if j == len(table):
@@ -271,7 +276,7 @@ class EreaderProcessor(object):
         def unshuff(data, shuf):
             r = [''] * len(data)
             j = 0
-            for i in range(len(data)):
+            for i in xrange(len(data)):
                 j = (j + shuf) % len(data)
                 r[j] = data[i]
             assert    len("".join(r)) == len(data)
@@ -325,7 +330,7 @@ class EreaderProcessor(object):
         self.flags = struct.unpack('>L', r[4:8])[0]
         reqd_flags = (1<<9) | (1<<7) | (1<<10)
         if (self.flags & reqd_flags) != reqd_flags:
-            print("Flags: 0x%X" % self.flags)
+            print "Flags: 0x%X" % self.flags
             raise ValueError('incompatible eReader file')
         des = Des(fixKey(user_key))
         if version == 259:
@@ -356,7 +361,7 @@ class EreaderProcessor(object):
         sect = self.section_reader(self.first_image_page + i)
         name = sect[4:4+32].strip('\0')
         data = sect[62:]
-        return sanitizeFileName(name.decode('windows-1252')), data
+        return sanitizeFileName(unicode(name,'windows-1252')), data
 
 
     # def getChapterNamePMLOffsetData(self):
@@ -405,7 +410,7 @@ class EreaderProcessor(object):
     def getText(self):
         des = Des(fixKey(self.content_key))
         r = ''
-        for i in range(self.num_text_pages):
+        for i in xrange(self.num_text_pages):
             logging.debug('get page %d', i)
             r += zlib.decompress(des.decrypt(self.section_reader(1 + i)))
 
@@ -417,7 +422,7 @@ class EreaderProcessor(object):
             fnote_ids = deXOR(sect, 0, self.xortable)
             # the remaining records of the footnote sections need to be decoded with the content_key and zlib inflated
             des = Des(fixKey(self.content_key))
-            for i in range(1,self.num_footnote_pages):
+            for i in xrange(1,self.num_footnote_pages):
                 logging.debug('get footnotepage %d', i)
                 id_len = ord(fnote_ids[2])
                 id = fnote_ids[3:3+id_len]
@@ -441,7 +446,7 @@ class EreaderProcessor(object):
             sbar_ids = deXOR(sect, 0, self.xortable)
             # the remaining records of the sidebar sections need to be decoded with the content_key and zlib inflated
             des = Des(fixKey(self.content_key))
-            for i in range(1,self.num_sidebar_pages):
+            for i in xrange(1,self.num_sidebar_pages):
                 id_len = ord(sbar_ids[2])
                 id = sbar_ids[3:3+id_len]
                 smarker = '<sidebar id="%s">\n' % id
@@ -455,7 +460,7 @@ class EreaderProcessor(object):
 def cleanPML(pml):
     # Convert special characters to proper PML code.  High ASCII start at (\x80, \a128) and go up to (\xff, \a255)
     pml2 = pml
-    for k in range(128,256):
+    for k in xrange(128,256):
         badChar = chr(k)
         pml2 = pml2.replace(badChar, '\\a%03d' % k)
     return pml2
@@ -466,35 +471,35 @@ def decryptBook(infile, outpath, make_pmlz, user_key):
         # outpath is actually pmlz name
         pmlzname = outpath
         outdir = tempfile.mkdtemp()
-        imagedirpath = os.path.join(outdir,"images")
+        imagedirpath = os.path.join(outdir,u"images")
     else:
         pmlzname = None
         outdir = outpath
-        imagedirpath = os.path.join(outdir,bookname + "_img")
+        imagedirpath = os.path.join(outdir,bookname + u"_img")
 
     try:
         if not os.path.exists(outdir):
             os.makedirs(outdir)
-        print("Decoding File")
-        sect  =Sectionizer(infile, 'PNRdPPrs')
+        print u"Decoding File"
+        sect = Sectionizer(infile, 'PNRdPPrs')
         er = EreaderProcessor(sect, user_key)
 
         if er.getNumImages() > 0:
-            print("Extracting images")
+            print u"Extracting images"
             if not os.path.exists(imagedirpath):
                 os.makedirs(imagedirpath)
-            for i in range(er.getNumImages()):
+            for i in xrange(er.getNumImages()):
                 name, contents = er.getImage(i)
-                open(os.path.join(imagedirpath, name), 'wb').write(contents)
+                file(os.path.join(imagedirpath, name), 'wb').write(contents)
 
-        print("Extracting pml")
+        print u"Extracting pml"
         pml_string = er.getText()
         pmlfilename = bookname + ".pml"
-        open(os.path.join(outdir, pmlfilename),'wb').write(cleanPML(pml_string))
+        file(os.path.join(outdir, pmlfilename),'wb').write(cleanPML(pml_string))
         if pmlzname is not None:
             import zipfile
             import shutil
-            print("Creating PMLZ file {0}".format(os.path.basename(pmlzname)))
+            print u"Creating PMLZ file {0}".format(os.path.basename(pmlzname))
             myZipFile = zipfile.ZipFile(pmlzname,'w',zipfile.ZIP_STORED, False)
             list = os.listdir(outdir)
             for filename in list:
@@ -513,48 +518,48 @@ def decryptBook(infile, outpath, make_pmlz, user_key):
             myZipFile.close()
             # remove temporary directory
             shutil.rmtree(outdir, True)
-            print("Output is {0}".format(pmlzname))
-        else:
-            print("Output is in {0}".format(outdir))
-        print("done")
-    except ValueError as e:
-        print("Error: {0}".format(e))
+            print u"Output is {0}".format(pmlzname)
+        else :
+            print u"Output is in {0}".format(outdir)
+        print "done"
+    except ValueError, e:
+        print u"Error: {0}".format(e)
         traceback.print_exc()
         return 1
     return 0
 
 
 def usage():
-    print("Converts DRMed eReader books to PML Source")
-    print("Usage:")
-    print("  erdr2pml [options] infile.pdb [outpath] \"your name\" credit_card_number")
-    print(" ")
-    print("Options: ")
-    print("  -h             prints this message")
-    print("  -p             create PMLZ instead of source folder")
-    print("  --make-pmlz    create PMLZ instead of source folder")
-    print(" ")
-    print("Note:")
-    print("  if outpath is ommitted, creates source in 'infile_Source' folder")
-    print("  if outpath is ommitted and pmlz option, creates PMLZ 'infile.pmlz'")
-    print("  if source folder created, images are in infile_img folder")
-    print("  if pmlz file created, images are in images folder")
-    print("  It's enough to enter the last 8 digits of the credit card number")
+    print u"Converts DRMed eReader books to PML Source"
+    print u"Usage:"
+    print u"  erdr2pml [options] infile.pdb [outpath] \"your name\" credit_card_number"
+    print u" "
+    print u"Options: "
+    print u"  -h             prints this message"
+    print u"  -p             create PMLZ instead of source folder"
+    print u"  --make-pmlz    create PMLZ instead of source folder"
+    print u" "
+    print u"Note:"
+    print u"  if outpath is ommitted, creates source in 'infile_Source' folder"
+    print u"  if outpath is ommitted and pmlz option, creates PMLZ 'infile.pmlz'"
+    print u"  if source folder created, images are in infile_img folder"
+    print u"  if pmlz file created, images are in images folder"
+    print u"  It's enough to enter the last 8 digits of the credit card number"
     return
 
 def getuser_key(name,cc):
     newname = "".join(c for c in name.lower() if c >= 'a' and c <= 'z' or c >= '0' and c <= '9')
     cc = cc.replace(" ","")
-    return struct.pack('>LL', binascii.crc32(bytes(newname.encode('utf-8'))) & 0xffffffff, binascii.crc32(bytes(cc[-8:].encode('utf-8'))) & 0xffffffff)
+    return struct.pack('>LL', binascii.crc32(newname) & 0xffffffff,binascii.crc32(cc[-8:])& 0xffffffff)
 
 def cli_main():
-    print("eRdr2Pml v{0}. Copyright © 2009–2020 The Dark Reverser et al.".format(__version__))
+    print u"eRdr2Pml v{0}. Copyright © 2009–2012 The Dark Reverser et al.".format(__version__)
 
     argv=unicode_argv()
     try:
         opts, args = getopt.getopt(argv[1:], "hp", ["make-pmlz"])
-    except getopt.GetoptError as err:
-        print(err.args[0])
+    except getopt.GetoptError, err:
+        print err.args[0]
         usage()
         return 1
     make_pmlz = False
@@ -574,13 +579,13 @@ def cli_main():
     if len(args)==3:
         infile, name, cc = args
         if make_pmlz:
-            outpath = os.path.splitext(infile)[0] + ".pmlz"
+            outpath = os.path.splitext(infile)[0] + u".pmlz"
         else:
-            outpath = os.path.splitext(infile)[0] + "_Source"
+            outpath = os.path.splitext(infile)[0] + u"_Source"
     elif len(args)==4:
         infile, outpath, name, cc = args
 
-    print(binascii.b2a_hex(getuser_key(name,cc)))
+    print getuser_key(name,cc).encode('hex')
 
     return decryptBook(infile, outpath, make_pmlz, getuser_key(name,cc))
 

DeDRM_plugin/flatxml2html.py

@@ -2,12 +2,12 @@
 # vim:ts=4:sw=4:softtabstop=4:smarttab:expandtab
 # For use with Topaz Scripts Version 2.6
 
+from __future__ import print_function
 import sys
 import csv
 import os
 import math
 import getopt
-import functools
 from struct import pack
 from struct import unpack
 
@@ -16,14 +16,14 @@ class DocParser(object):
     def __init__(self, flatxml, classlst, fileid, bookDir, gdict, fixedimage):
         self.id = os.path.basename(fileid).replace('.dat','')
         self.svgcount = 0
-        self.docList = flatxml.split(b'\n')
+        self.docList = flatxml.split('\n')
         self.docSize = len(self.docList)
         self.classList = {}
         self.bookDir = bookDir
         self.gdict = gdict
         tmpList = classlst.split('\n')
         for pclass in tmpList:
-            if pclass != b'':
+            if pclass != '':
                 # remove the leading period from the css name
                 cname = pclass[1:]
             self.classList[cname] = True
@@ -58,9 +58,9 @@ class DocParser(object):
         imgfile = os.path.join(imgDir,imgname)
 
         # get glyph information
-        gxList = self.getData(b'info.glyph.x',0,-1)
-        gyList = self.getData(b'info.glyph.y',0,-1)
-        gidList = self.getData(b'info.glyph.glyphID',0,-1)
+        gxList = self.getData('info.glyph.x',0,-1)
+        gyList = self.getData('info.glyph.y',0,-1)
+        gidList = self.getData('info.glyph.glyphID',0,-1)
 
         gids = []
         maxws = []
@@ -95,7 +95,7 @@ class DocParser(object):
         # change the origin to minx, miny and calc max height and width
         maxw = maxws[0] + xs[0] - minx
         maxh = maxhs[0] + ys[0] - miny
-        for j in range(0, len(xs)):
+        for j in xrange(0, len(xs)):
             xs[j] = xs[j] - minx
             ys[j] = ys[j] - miny
             maxw = max( maxw, (maxws[j] + xs[j]) )
@@ -107,10 +107,10 @@ class DocParser(object):
         ifile.write('<!DOCTYPE svg PUBLIC "-//W3C/DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">\n')
         ifile.write('<svg width="%dpx" height="%dpx" viewBox="0 0 %d %d" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1">\n' % (math.floor(maxw/10), math.floor(maxh/10), maxw, maxh))
         ifile.write('<defs>\n')
-        for j in range(0,len(gdefs)):
+        for j in xrange(0,len(gdefs)):
             ifile.write(gdefs[j])
         ifile.write('</defs>\n')
-        for j in range(0,len(gids)):
+        for j in xrange(0,len(gids)):
             ifile.write('<use xlink:href="#gl%d" x="%d" y="%d" />\n' % (gids[j], xs[j], ys[j]))
         ifile.write('</svg>')
         ifile.close()
@@ -123,11 +123,11 @@ class DocParser(object):
     def lineinDoc(self, pos) :
         if (pos >= 0) and (pos < self.docSize) :
             item = self.docList[pos]
-            if item.find(b'=') >= 0:
-                (name, argres) = item.split(b'=',1)
+            if item.find('=') >= 0:
+                (name, argres) = item.split('=',1)
             else :
                 name = item
-                argres = b''
+                argres = ''
         return name, argres
 
 
@@ -139,15 +139,13 @@ class DocParser(object):
         else:
             end = min(self.docSize, end)
         foundat = -1
-        for j in range(pos, end):
+        for j in xrange(pos, end):
             item = self.docList[j]
-            if item.find(b'=') >= 0:
-                (name, argres) = item.split(b'=',1)
+            if item.find('=') >= 0:
+                (name, argres) = item.split('=',1)
             else :
                 name = item
                 argres = ''
-            if (isinstance(tagpath,str)):
-                tagpath = tagpath.encode('utf-8')
             if name.endswith(tagpath) :
                 result = argres
                 foundat = j
@@ -173,7 +171,7 @@ class DocParser(object):
         argres=[]
         (foundat, argt) = self.findinDoc(tagpath, pos, end)
         if (argt != None) and (len(argt) > 0) :
-            argList = argt.split(b'|')
+            argList = argt.split('|')
             argres = [ int(strval) for strval in argList]
         return argres
 
@@ -194,21 +192,21 @@ class DocParser(object):
 
         # also some class names have spaces in them so need to convert to dashes
         if nclass != None :
-            nclass = nclass.replace(b' ',b'-')
-            classres = b''
+            nclass = nclass.replace(' ','-')
+            classres = ''
             nclass = nclass.lower()
-            nclass = b'cl-' + nclass
-            baseclass = b''
+            nclass = 'cl-' + nclass
+            baseclass = ''
             # graphic is the base class for captions
-            if nclass.find(b'cl-cap-') >=0 :
-                classres = b'graphic' + b' '
+            if nclass.find('cl-cap-') >=0 :
+                classres = 'graphic' + ' '
             else :
                 # strip to find baseclass
-                p = nclass.find(b'_')
+                p = nclass.find('_')
                 if p > 0 :
                     baseclass = nclass[0:p]
                     if baseclass in self.classList:
-                        classres += baseclass + b' '
+                        classres += baseclass + ' '
             classres += nclass
             nclass = classres
         return nclass
@@ -228,11 +226,11 @@ class DocParser(object):
             return -1
 
         result = []
-        (pos, pagetype) = self.findinDoc(b'page.type',0,-1)
+        (pos, pagetype) = self.findinDoc('page.type',0,-1)
 
-        groupList = self.posinDoc(b'page.group')
-        groupregionList = self.posinDoc(b'page.group.region')
-        pageregionList = self.posinDoc(b'page.region')
+        groupList = self.posinDoc('page.group')
+        groupregionList = self.posinDoc('page.group.region')
+        pageregionList = self.posinDoc('page.region')
         # integrate into one list
         for j in groupList:
             result.append(('grpbeg',j))
@@ -240,7 +238,7 @@ class DocParser(object):
             result.append(('gregion',j))
         for j in pageregionList:
             result.append(('pregion',j))
-        result.sort(key=functools.cmp_to_key(compare))
+        result.sort(compare)
 
         # insert group end and page end indicators
         inGroup = False
@@ -270,39 +268,39 @@ class DocParser(object):
         result = []
 
         # paragraph
-        (pos, pclass) = self.findinDoc(b'paragraph.class',start,end)
+        (pos, pclass) = self.findinDoc('paragraph.class',start,end)
 
         pclass = self.getClass(pclass)
 
         # if paragraph uses extratokens (extra glyphs) then make it fixed
-        (pos, extraglyphs) = self.findinDoc(b'paragraph.extratokens',start,end)
+        (pos, extraglyphs) = self.findinDoc('paragraph.extratokens',start,end)
 
         # build up a description of the paragraph in result and return it
         # first check for the  basic - all words paragraph
-        (pos, sfirst) = self.findinDoc(b'paragraph.firstWord',start,end)
-        (pos, slast) = self.findinDoc(b'paragraph.lastWord',start,end)
+        (pos, sfirst) = self.findinDoc('paragraph.firstWord',start,end)
+        (pos, slast) = self.findinDoc('paragraph.lastWord',start,end)
         if (sfirst != None) and (slast != None) :
             first = int(sfirst)
             last = int(slast)
 
-            makeImage = (regtype == b'vertical') or (regtype == b'table')
+            makeImage = (regtype == 'vertical') or (regtype == 'table')
             makeImage = makeImage or (extraglyphs != None)
             if self.fixedimage:
-                makeImage = makeImage or (regtype == b'fixed')
+                makeImage = makeImage or (regtype == 'fixed')
 
             if (pclass != None):
-                makeImage = makeImage or (pclass.find(b'.inverted') >= 0)
+                makeImage = makeImage or (pclass.find('.inverted') >= 0)
                 if self.fixedimage :
-                    makeImage = makeImage or (pclass.find(b'cl-f-') >= 0)
+                    makeImage = makeImage or (pclass.find('cl-f-') >= 0)
 
             # before creating an image make sure glyph info exists
-            gidList = self.getData(b'info.glyph.glyphID',0,-1)
+            gidList = self.getData('info.glyph.glyphID',0,-1)
 
             makeImage = makeImage & (len(gidList) > 0)
 
             if not makeImage :
                 # standard all word paragraph
-                for wordnum in range(first, last):
+                for wordnum in xrange(first, last):
                     result.append(('ocr', wordnum))
                 return pclass, result
 
@@ -310,8 +308,8 @@ class DocParser(object):
             # translate first and last word into first and last glyphs
             # and generate inline image and include it
             glyphList = []
-            firstglyphList = self.getData(b'word.firstGlyph',0,-1)
-            gidList = self.getData(b'info.glyph.glyphID',0,-1)
+            firstglyphList = self.getData('word.firstGlyph',0,-1)
+            gidList = self.getData('info.glyph.glyphID',0,-1)
             firstGlyph = firstglyphList[first]
             if last < len(firstglyphList):
                 lastGlyph = firstglyphList[last]
@@ -322,17 +320,17 @@ class DocParser(object):
             # by reverting to text based paragraph
             if firstGlyph >= lastGlyph:
                 # revert to standard text based paragraph
-                for wordnum in range(first, last):
+                for wordnum in xrange(first, last):
                     result.append(('ocr', wordnum))
                 return pclass, result
 
-            for glyphnum in range(firstGlyph, lastGlyph):
+            for glyphnum in xrange(firstGlyph, lastGlyph):
                 glyphList.append(glyphnum)
             # include any extratokens if they exist
-            (pos, sfg) = self.findinDoc(b'extratokens.firstGlyph',start,end)
-            (pos, slg) = self.findinDoc(b'extratokens.lastGlyph',start,end)
+            (pos, sfg) = self.findinDoc('extratokens.firstGlyph',start,end)
+            (pos, slg) = self.findinDoc('extratokens.lastGlyph',start,end)
             if (sfg != None) and (slg != None):
-                for glyphnum in range(int(sfg), int(slg)):
+                for glyphnum in xrange(int(sfg), int(slg)):
                     glyphList.append(glyphnum)
             num = self.svgcount
             self.glyphs_to_image(glyphList)
@@ -371,50 +369,50 @@ class DocParser(object):
 
             (name, argres) = self.lineinDoc(line)
 
-            if name.endswith(b'span.firstWord') :
+            if name.endswith('span.firstWord') :
                 sp_first = int(argres)
 
-            elif name.endswith(b'span.lastWord') :
+            elif name.endswith('span.lastWord') :
                 sp_last = int(argres)
 
-            elif name.endswith(b'word.firstGlyph') :
+            elif name.endswith('word.firstGlyph') :
                 gl_first = int(argres)
 
-            elif name.endswith(b'word.lastGlyph') :
+            elif name.endswith('word.lastGlyph') :
                 gl_last = int(argres)
 
-            elif name.endswith(b'word_semantic.firstWord'):
+            elif name.endswith('word_semantic.firstWord'):
                 ws_first = int(argres)
 
-            elif name.endswith(b'word_semantic.lastWord'):
+            elif name.endswith('word_semantic.lastWord'):
                 ws_last = int(argres)
 
-            elif name.endswith(b'word.class'):
+            elif name.endswith('word.class'):
                 # we only handle spaceafter word class
                 try:
-                    (cname, space) = argres.split(b'-',1)
-                    if space == b'' : space = b'0'
-                    if (cname == b'spaceafter') and (int(space) > 0) :
+                    (cname, space) = argres.split('-',1)
+                    if space == '' : space = '0'
+                    if (cname == 'spaceafter') and (int(space) > 0) :
                         word_class = 'sa'
                 except:
                     pass
 
-            elif name.endswith(b'word.img.src'):
+            elif name.endswith('word.img.src'):
                 result.append(('img' + word_class, int(argres)))
                 word_class = ''
 
-            elif name.endswith(b'region.img.src'):
+            elif name.endswith('region.img.src'):
                 result.append(('img' + word_class, int(argres)))
 
             if (sp_first != -1) and (sp_last != -1):
-                for wordnum in range(sp_first, sp_last):
+                for wordnum in xrange(sp_first, sp_last):
                     result.append(('ocr', wordnum))
                 sp_first = -1
                 sp_last = -1
 
             if (gl_first != -1) and (gl_last != -1):
                 glyphList = []
-                for glyphnum in range(gl_first, gl_last):
+                for glyphnum in xrange(gl_first, gl_last):
                     glyphList.append(glyphnum)
                 num = self.svgcount
                 self.glyphs_to_image(glyphList)
@@ -424,7 +422,7 @@ class DocParser(object):
                 gl_last = -1
 
             if (ws_first != -1) and (ws_last != -1):
-                for wordnum in range(ws_first, ws_last):
+                for wordnum in xrange(ws_first, ws_last):
                     result.append(('ocr', wordnum))
                 ws_first = -1
                 ws_last = -1
@@ -440,7 +438,7 @@ class DocParser(object):
 
         classres = ''
         if pclass :
-            classres = ' class="' + pclass.decode('utf-8') + '"'
+            classres = ' class="' + pclass + '"'
 
         br_lb = (regtype == 'fixed') or (regtype == 'chapterheading') or (regtype == 'vertical')
 
@@ -456,7 +454,7 @@ class DocParser(object):
 
         cnt = len(pdesc)
 
-        for j in range( 0, cnt) :
+        for j in xrange( 0, cnt) :
 
             (wtype, num) = pdesc[j]
 
@@ -473,8 +471,8 @@ class DocParser(object):
                     if (link > 0):
                         linktype = self.link_type[link-1]
                         title = self.link_title[link-1]
-                        if (title == b"") or (parares.rfind(title.decode('utf-8')) < 0):
-                            title=parares[lstart:].encode('utf-8')
+                        if (title == "") or (parares.rfind(title) < 0):
+                            title=parares[lstart:]
                         if linktype == 'external' :
                             linkhref = self.link_href[link-1]
                             linkhtml = '<a href="%s">' % linkhref
@@ -485,34 +483,33 @@ class DocParser(object):
                             else :
                                 # just link to the current page
                                 linkhtml = '<a href="#' + self.id + '">'
-                        linkhtml += title.decode('utf-8')
-                        linkhtml += '</a>'
-                        pos = parares.rfind(title.decode('utf-8'))
+                        linkhtml += title + '</a>'
+                        pos = parares.rfind(title)
                         if pos >= 0:
                             parares = parares[0:pos] + linkhtml + parares[pos+len(title):]
                         else :
                             parares += linkhtml
                         lstart = len(parares)
-                        if word == b'_link_' : word = b''
+                        if word == '_link_' : word = ''
                     elif (link < 0) :
-                        if word == b'_link_' : word = b''
+                        if word == '_link_' : word = ''
 
-                if word == b'_lb_':
+                if word == '_lb_':
                     if ((num-1) in self.dehyphen_rootid ) or handle_links:
-                        word = b''
+                        word = ''
                         sep = ''
                     elif br_lb :
-                        word = b'<br />\n'
+                        word = '<br />\n'
                         sep = ''
                     else :
-                        word = b'\n'
+                        word = '\n'
                         sep = ''
 
                 if num in self.dehyphen_rootid :
                     word = word[0:-1]
                     sep = ''
 
-                parares += word.decode('utf-8') + sep
+                parares += word + sep
 
             elif wtype == 'img' :
                 sep = ''
@@ -526,9 +523,7 @@ class DocParser(object):
 
             elif wtype == 'svg' :
                 sep = ''
-                parares += '<img src="img/'
-                parares += self.id
-                parares += '_%04d.svg" alt="" />' % num
+                parares += '<img src="img/' + self.id + '_%04d.svg" alt="" />' % num
                 parares += sep
 
         if len(sep) > 0 : parares = parares[0:-1]
@@ -546,12 +541,12 @@ class DocParser(object):
         lstart = 0
 
         cnt = len(pdesc)
-        for j in range( 0, cnt) :
+        for j in xrange( 0, cnt) :
 
             (wtype, num) = pdesc[j]
 
             if wtype == 'ocr' :
-                word = self.ocrtext[num].decode('utf-8')
+                word = self.ocrtext[num]
                 sep = ' '
 
                 if handle_links:
@@ -559,7 +554,7 @@ class DocParser(object):
                     if (link > 0):
                         linktype = self.link_type[link-1]
                         title = self.link_title[link-1]
-                        title = title.rstrip(b'. ')
+                        title = title.rstrip('. ')
                         alt_title = parares[lstart:]
                         alt_title = alt_title.strip()
                         # now strip off the actual printed page number
@@ -613,38 +608,38 @@ class DocParser(object):
         hlst = []
 
         # get the ocr text
-        (pos, argres) = self.findinDoc(b'info.word.ocrText',0,-1)
-        if argres :  self.ocrtext = argres.split(b'|')
+        (pos, argres) = self.findinDoc('info.word.ocrText',0,-1)
+        if argres :  self.ocrtext = argres.split('|')
 
         # get information to dehyphenate the text
-        self.dehyphen_rootid = self.getData(b'info.dehyphen.rootID',0,-1)
+        self.dehyphen_rootid = self.getData('info.dehyphen.rootID',0,-1)
 
         # determine if first paragraph is continued from previous page
-        (pos, self.parastems_stemid) = self.findinDoc(b'info.paraStems.stemID',0,-1)
+        (pos, self.parastems_stemid) = self.findinDoc('info.paraStems.stemID',0,-1)
         first_para_continued = (self.parastems_stemid  != None)
 
         # determine if last paragraph is continued onto the next page
-        (pos, self.paracont_stemid) = self.findinDoc(b'info.paraCont.stemID',0,-1)
+        (pos, self.paracont_stemid) = self.findinDoc('info.paraCont.stemID',0,-1)
         last_para_continued = (self.paracont_stemid != None)
 
         # collect link ids
-        self.link_id = self.getData(b'info.word.link_id',0,-1)
+        self.link_id = self.getData('info.word.link_id',0,-1)
 
         # collect link destination page numbers
-        self.link_page = self.getData(b'info.links.page',0,-1)
+        self.link_page = self.getData('info.links.page',0,-1)
 
         # collect link types (container versus external)
-        (pos, argres) = self.findinDoc(b'info.links.type',0,-1)
-        if argres :  self.link_type = argres.split(b'|')
+        (pos, argres) = self.findinDoc('info.links.type',0,-1)
+        if argres :  self.link_type = argres.split('|')
 
         # collect link destinations
-        (pos, argres) = self.findinDoc(b'info.links.href',0,-1)
-        if argres :  self.link_href = argres.split(b'|')
+        (pos, argres) = self.findinDoc('info.links.href',0,-1)
+        if argres :  self.link_href = argres.split('|')
 
         # collect link titles
-        (pos, argres) = self.findinDoc(b'info.links.title',0,-1)
+        (pos, argres) = self.findinDoc('info.links.title',0,-1)
         if argres :
-            self.link_title = argres.split(b'|')
+            self.link_title = argres.split('|')
         else:
             self.link_title.append('')
 
@@ -659,7 +654,7 @@ class DocParser(object):
 
         # process each region on the page and convert what you can to html
 
-        for j in range(regcnt):
+        for j in xrange(regcnt):
 
             (etype, start) = pageDesc[j]
             (ntype, end) = pageDesc[j+1]
@@ -668,51 +663,51 @@ class DocParser(object):
             # set anchor for link target on this page
             if not anchorSet and not first_para_continued:
                 hlst.append('<div style="visibility: hidden; height: 0; width: 0;" id="')
-                hlst.append(self.id + '" title="pagetype_' + pagetype.decode('utf-8') + '"></div>\n')
+                hlst.append(self.id + '" title="pagetype_' + pagetype + '"></div>\n')
                 anchorSet = True
 
             # handle groups of graphics with text captions
-            if (etype == b'grpbeg'):
-                (pos, grptype) = self.findinDoc(b'group.type', start, end)
+            if (etype == 'grpbeg'):
+                (pos, grptype) = self.findinDoc('group.type', start, end)
                 if grptype != None:
-                    if grptype == b'graphic':
-                        gcstr = ' class="' + grptype.decode('utf-8') + '"'
+                    if grptype == 'graphic':
+                        gcstr = ' class="' + grptype + '"'
                         hlst.append('<div' + gcstr + '>')
                         inGroup = True
 
-            elif (etype == b'grpend'):
+            elif (etype == 'grpend'):
                 if inGroup:
                     hlst.append('</div>\n')
                     inGroup = False
 
             else:
-                (pos, regtype) = self.findinDoc(b'region.type',start,end)
+                (pos, regtype) = self.findinDoc('region.type',start,end)
 
-                if regtype == b'graphic' :
-                    (pos, simgsrc) = self.findinDoc(b'img.src',start,end)
+                if regtype == 'graphic' :
+                    (pos, simgsrc) = self.findinDoc('img.src',start,end)
                     if simgsrc:
                         if inGroup:
                             hlst.append('<img src="img/img%04d.jpg" alt="" />' % int(simgsrc))
                         else:
                             hlst.append('<div class="graphic"><img src="img/img%04d.jpg" alt="" /></div>' % int(simgsrc))
 
-                elif regtype == b'chapterheading' :
+                elif regtype == 'chapterheading' :
                     (pclass, pdesc) = self.getParaDescription(start,end, regtype)
                     if not breakSet:
                         hlst.append('<div style="page-break-after: always;">&nbsp;</div>\n')
                         breakSet = True
                     tag = 'h1'
                     if pclass and (len(pclass) >= 7):
-                        if pclass[3:7] == b'ch1-' : tag = 'h1'
-                        if pclass[3:7] == b'ch2-' : tag = 'h2'
-                        if pclass[3:7] == b'ch3-' : tag = 'h3'
-                        hlst.append('<' + tag + ' class="' + pclass.decode('utf-8') + '">')
+                        if pclass[3:7] == 'ch1-' : tag = 'h1'
+                        if pclass[3:7] == 'ch2-' : tag = 'h2'
+                        if pclass[3:7] == 'ch3-' : tag = 'h3'
+                        hlst.append('<' + tag + ' class="' + pclass + '">')
                     else:
                         hlst.append('<' + tag + '>')
                     hlst.append(self.buildParagraph(pclass, pdesc, 'middle', regtype))
                     hlst.append('</' + tag + '>')
 
-                elif (regtype == b'text') or (regtype == b'fixed') or (regtype == b'insert') or (regtype == b'listitem'):
+                elif (regtype == 'text') or (regtype == 'fixed') or (regtype == 'insert') or (regtype == 'listitem'):
                     ptype = 'full'
                     # check to see if this is a continution from the previous page
                     if first_para_continued :
@@ -721,16 +716,16 @@ class DocParser(object):
                     (pclass, pdesc) = self.getParaDescription(start,end, regtype)
                     if pclass and (len(pclass) >= 6) and (ptype == 'full'):
                         tag = 'p'
-                        if pclass[3:6] == b'h1-' : tag = 'h4'
-                        if pclass[3:6] == b'h2-' : tag = 'h5'
-                        if pclass[3:6] == b'h3-' : tag = 'h6'
-                        hlst.append('<' + tag + ' class="' + pclass.decode('utf-8') + '">')
+                        if pclass[3:6] == 'h1-' : tag = 'h4'
+                        if pclass[3:6] == 'h2-' : tag = 'h5'
+                        if pclass[3:6] == 'h3-' : tag = 'h6'
+                        hlst.append('<' + tag + ' class="' + pclass + '">')
                         hlst.append(self.buildParagraph(pclass, pdesc, 'middle', regtype))
                         hlst.append('</' + tag + '>')
                     else :
                         hlst.append(self.buildParagraph(pclass, pdesc, ptype, regtype))
 
-                elif (regtype == b'tocentry') :
+                elif (regtype == 'tocentry') :
                     ptype = 'full'
                     if first_para_continued :
                         ptype = 'end'
@@ -739,7 +734,7 @@ class DocParser(object):
                     tocinfo += self.buildTOCEntry(pdesc)
                     hlst.append(self.buildParagraph(pclass, pdesc, ptype, regtype))
 
-                elif (regtype == b'vertical') or (regtype == b'table') :
+                elif (regtype == 'vertical') or (regtype == 'table') :
                     ptype = 'full'
                     if inGroup:
                         ptype = 'middle'
@@ -750,19 +745,19 @@ class DocParser(object):
                     hlst.append(self.buildParagraph(pclass, pdesc, ptype, regtype))
 
 
-                elif (regtype == b'synth_fcvr.center'):
-                    (pos, simgsrc) = self.findinDoc(b'img.src',start,end)
+                elif (regtype == 'synth_fcvr.center'):
+                    (pos, simgsrc) = self.findinDoc('img.src',start,end)
                     if simgsrc:
                         hlst.append('<div class="graphic"><img src="img/img%04d.jpg" alt="" /></div>' % int(simgsrc))
 
                 else :
                     print('          Making region type', regtype, end=' ')
-                    (pos, temp) = self.findinDoc(b'paragraph',start,end)
-                    (pos2, temp) = self.findinDoc(b'span',start,end)
+                    (pos, temp) = self.findinDoc('paragraph',start,end)
+                    (pos2, temp) = self.findinDoc('span',start,end)
                     if pos != -1 or pos2 != -1:
                         print(' a "text" region')
                         orig_regtype = regtype
-                        regtype = b'fixed'
+                        regtype = 'fixed'
                         ptype = 'full'
                         # check to see if this is a continution from the previous page
                         if first_para_continued :
@@ -770,23 +765,23 @@ class DocParser(object):
                             first_para_continued = False
                         (pclass, pdesc) = self.getParaDescription(start,end, regtype)
                         if not pclass:
-                            if orig_regtype.endswith(b'.right')     : pclass = 'cl-right'
-                            elif orig_regtype.endswith(b'.center')  : pclass = 'cl-center'
-                            elif orig_regtype.endswith(b'.left')    : pclass = 'cl-left'
-                            elif orig_regtype.endswith(b'.justify') : pclass = 'cl-justify'
+                            if orig_regtype.endswith('.right')     : pclass = 'cl-right'
+                            elif orig_regtype.endswith('.center')  : pclass = 'cl-center'
+                            elif orig_regtype.endswith('.left')    : pclass = 'cl-left'
+                            elif orig_regtype.endswith('.justify') : pclass = 'cl-justify'
                         if pclass and (ptype == 'full') and (len(pclass) >= 6):
                             tag = 'p'
-                            if pclass[3:6] == b'h1-' : tag = 'h4'
-                            if pclass[3:6] == b'h2-' : tag = 'h5'
-                            if pclass[3:6] == b'h3-' : tag = 'h6'
-                            hlst.append('<' + tag + ' class="' + pclass.decode('utf-8') + '">')
+                            if pclass[3:6] == 'h1-' : tag = 'h4'
+                            if pclass[3:6] == 'h2-' : tag = 'h5'
+                            if pclass[3:6] == 'h3-' : tag = 'h6'
+                            hlst.append('<' + tag + ' class="' + pclass + '">')
                             hlst.append(self.buildParagraph(pclass, pdesc, 'middle', regtype))
                             hlst.append('</' + tag + '>')
                         else :
                             hlst.append(self.buildParagraph(pclass, pdesc, ptype, regtype))
                     else :
                         print(' a "graphic" region')
-                        (pos, simgsrc) = self.findinDoc(b'img.src',start,end)
+                        (pos, simgsrc) = self.findinDoc('img.src',start,end)
                         if simgsrc:
                             hlst.append('<div class="graphic"><img src="img/img%04d.jpg" alt="" /></div>' % int(simgsrc))
 

DeDRM_plugin/flatxml2svg.py

@@ -12,7 +12,7 @@ from struct import unpack
 class PParser(object):
     def __init__(self, gd, flatxml, meta_array):
         self.gd = gd
-        self.flatdoc = flatxml.split(b'\n')
+        self.flatdoc = flatxml.split('\n')
         self.docSize = len(self.flatdoc)
         self.temp = []
 
@@ -58,11 +58,11 @@ class PParser(object):
     def lineinDoc(self, pos) :
         if (pos >= 0) and (pos < self.docSize) :
             item = self.flatdoc[pos]
-            if item.find(b'=') >= 0:
-                (name, argres) = item.split(b'=',1)
+            if item.find('=') >= 0:
+                (name, argres) = item.split('=',1)
             else :
                 name = item
-                argres = b''
+                argres = ''
         return name, argres
 
     # find tag in doc if within pos to end inclusive
@@ -73,15 +73,13 @@ class PParser(object):
         else:
             end = min(self.docSize, end)
         foundat = -1
-        for j in range(pos, end):
+        for j in xrange(pos, end):
             item = self.flatdoc[j]
-            if item.find(b'=') >= 0:
-                (name, argres) = item.split(b'=',1)
+            if item.find('=') >= 0:
+                (name, argres) = item.split('=',1)
             else :
                 name = item
-                argres = b''
-            if (isinstance(tagpath,str)):
-                tagpath = tagpath.encode('utf-8')
+                argres = ''
             if name.endswith(tagpath) :
                 result = argres
                 foundat = j
@@ -103,11 +101,11 @@ class PParser(object):
     def getData(self, path):
         result = None
         cnt = len(self.flatdoc)
-        for j in range(cnt):
+        for j in xrange(cnt):
             item = self.flatdoc[j]
-            if item.find(b'=') >= 0:
-                (name, argt) = item.split(b'=')
-                argres = argt.split(b'|')
+            if item.find('=') >= 0:
+                (name, argt) = item.split('=')
+                argres = argt.split('|')
             else:
                 name = item
                 argres = []
@@ -115,24 +113,22 @@ class PParser(object):
                 result = argres
                 break
         if (len(argres) > 0) :
-            for j in range(0,len(argres)):
+            for j in xrange(0,len(argres)):
                 argres[j] = int(argres[j])
         return result
 
     def getDataatPos(self, path, pos):
         result = None
         item = self.flatdoc[pos]
-        if item.find(b'=') >= 0:
-            (name, argt) = item.split(b'=')
-            argres = argt.split(b'|')
+        if item.find('=') >= 0:
+            (name, argt) = item.split('=')
+            argres = argt.split('|')
         else:
             name = item
             argres = []
         if (len(argres) > 0) :
-            for j in range(0,len(argres)):
+            for j in xrange(0,len(argres)):
                 argres[j] = int(argres[j])
-        if (isinstance(path,str)):
-            path = path.encode('utf-8')
         if (name.endswith(path)):
             result = argres
         return result
@@ -140,22 +136,20 @@ class PParser(object):
     def getDataTemp(self, path):
         result = None
         cnt = len(self.temp)
-        for j in range(cnt):
+        for j in xrange(cnt):
             item = self.temp[j]
-            if item.find(b'=') >= 0:
-                (name, argt) = item.split(b'=')
-                argres = argt.split(b'|')
+            if item.find('=') >= 0:
+                (name, argt) = item.split('=')
+                argres = argt.split('|')
             else:
                 name = item
                 argres = []
-            if (isinstance(path,str)):
-                path = path.encode('utf-8')
             if (name.endswith(path)):
                 result = argres
                 self.temp.pop(j)
                 break
         if (len(argres) > 0) :
-            for j in range(0,len(argres)):
+            for j in xrange(0,len(argres)):
                 argres[j] = int(argres[j])
         return result
 
@@ -226,15 +220,15 @@ def convert2SVG(gdict, flat_xml, pageid, previd, nextid, svgDir, raw, meta_array
     if (pp.gid != None):
         mlst.append('<defs>\n')
         gdefs = pp.getGlyphs()
-        for j in range(0,len(gdefs)):
+        for j in xrange(0,len(gdefs)):
             mlst.append(gdefs[j])
         mlst.append('</defs>\n')
     img = pp.getImages()
     if (img != None):
-        for j in range(0,len(img)):
+        for j in xrange(0,len(img)):
             mlst.append(img[j])
     if (pp.gid != None):
-        for j in range(0,len(pp.gid)):
+        for j in xrange(0,len(pp.gid)):
             mlst.append('<use xlink:href="#gl%d" x="%d" y="%d" />\n' % (pp.gid[j], pp.gx[j], pp.gy[j]))
     if (img == None or len(img) == 0) and (pp.gid == None or len(pp.gid) == 0):
         xpos = "%d" % (pp.pw // 3)

DeDRM_plugin/genbook.py

@@ -1,28 +1,21 @@
-#!/usr/bin/env python3
-# -*- coding: utf-8 -*-
+#! /usr/bin/python
 # vim:ts=4:sw=4:softtabstop=4:smarttab:expandtab
-# Python 3 for calibre 5.0
-from __future__ import print_function
 
-# Wrap a stream so that output gets flushed immediately
-# and also make sure that any unicode strings get
-# encoded using "replace" before writing them.
-class SafeUnbuffered:
+from __future__ import print_function
+from .convert2xml import encodeNumber
+
+class Unbuffered:
     def __init__(self, stream):
         self.stream = stream
-        self.encoding = stream.encoding
-        if self.encoding == None:
-            self.encoding = "utf-8"
     def write(self, data):
-        if isinstance(data, str):
-            data = data.encode(self.encoding,"replace")
-        self.stream.buffer.write(data)
-        self.stream.buffer.flush()
-
+        self.stream.write(data)
+        self.stream.flush()
     def __getattr__(self, attr):
         return getattr(self.stream, attr)
 
 import sys
+sys.stdout=Unbuffered(sys.stdout)
+
 import csv
 import os
 import getopt
@@ -94,13 +87,13 @@ def readString(file):
 def getMetaArray(metaFile):
     # parse the meta file
     result = {}
-    fo = open(metaFile,'rb')
+    fo = file(metaFile,'rb')
     size = readEncodedNumber(fo)
-    for i in range(size):
+    for i in xrange(size):
         tag = readString(fo)
         value = readString(fo)
         result[tag] = value
-        # print(tag, value)
+        # print tag, value
     fo.close()
     return result
 
@@ -110,17 +103,17 @@ class Dictionary(object):
     def __init__(self, dictFile):
         self.filename = dictFile
         self.size = 0
-        self.fo = open(dictFile,'rb')
+        self.fo = file(dictFile,'rb')
         self.stable = []
         self.size = readEncodedNumber(self.fo)
-        for i in range(self.size):
+        for i in xrange(self.size):
             self.stable.append(self.escapestr(readString(self.fo)))
         self.pos = 0
     def escapestr(self, str):
-        str = str.replace(b'&',b'&')
-        str = str.replace(b'<',b'&lt;')
-        str = str.replace(b'>',b'&gt;')
-        str = str.replace(b'=',b'&#61;')
+        str = str.replace('&','&amp;')
+        str = str.replace('<','&lt;')
+        str = str.replace('>','&gt;')
+        str = str.replace('=','&#61;')
         return str
     def lookup(self,val):
         if ((val >= 0) and (val < self.size)) :
@@ -138,7 +131,7 @@ class Dictionary(object):
 
 class PageDimParser(object):
     def __init__(self, flatxml):
-        self.flatdoc = flatxml.split(b'\n')
+        self.flatdoc = flatxml.split('\n')
     # find tag if within pos to end inclusive
     def findinDoc(self, tagpath, pos, end) :
         result = None
@@ -149,10 +142,10 @@ class PageDimParser(object):
         else:
             end = min(cnt,end)
         foundat = -1
-        for j in range(pos, end):
+        for j in xrange(pos, end):
             item = docList[j]
-            if item.find(b'=') >= 0:
-                (name, argres) = item.split(b'=')
+            if item.find('=') >= 0:
+                (name, argres) = item.split('=')
             else :
                 name = item
                 argres = ''
@@ -162,8 +155,8 @@ class PageDimParser(object):
                 break
         return foundat, result
     def process(self):
-        (pos, sph) = self.findinDoc(b'page.h',0,-1)
-        (pos, spw) = self.findinDoc(b'page.w',0,-1)
+        (pos, sph) = self.findinDoc('page.h',0,-1)
+        (pos, spw) = self.findinDoc('page.w',0,-1)
         if (sph == None): sph = '-1'
         if (spw == None): spw = '-1'
         return sph, spw
@@ -176,21 +169,21 @@ def getPageDim(flatxml):
 
 class GParser(object):
     def __init__(self, flatxml):
-        self.flatdoc = flatxml.split(b'\n')
+        self.flatdoc = flatxml.split('\n')
         self.dpi = 1440
-        self.gh = self.getData(b'info.glyph.h')
-        self.gw = self.getData(b'info.glyph.w')
-        self.guse = self.getData(b'info.glyph.use')
+        self.gh = self.getData('info.glyph.h')
+        self.gw = self.getData('info.glyph.w')
+        self.guse = self.getData('info.glyph.use')
         if self.guse :
             self.count = len(self.guse)
         else :
             self.count = 0
-        self.gvtx = self.getData(b'info.glyph.vtx')
-        self.glen = self.getData(b'info.glyph.len')
-        self.gdpi = self.getData(b'info.glyph.dpi')
-        self.vx = self.getData(b'info.vtx.x')
-        self.vy = self.getData(b'info.vtx.y')
-        self.vlen = self.getData(b'info.len.n')
+        self.gvtx = self.getData('info.glyph.vtx')
+        self.glen = self.getData('info.glyph.len')
+        self.gdpi = self.getData('info.glyph.dpi')
+        self.vx = self.getData('info.vtx.x')
+        self.vy = self.getData('info.vtx.y')
+        self.vlen = self.getData('info.len.n')
         if self.vlen :
             self.glen.append(len(self.vlen))
         elif self.glen:
@@ -202,11 +195,11 @@ class GParser(object):
     def getData(self, path):
         result = None
         cnt = len(self.flatdoc)
-        for j in range(cnt):
+        for j in xrange(cnt):
             item = self.flatdoc[j]
-            if item.find(b'=') >= 0:
-                (name, argt) = item.split(b'=')
-                argres = argt.split(b'|')
+            if item.find('=') >= 0:
+                (name, argt) = item.split('=')
+                argres = argt.split('|')
             else:
                 name = item
                 argres = []
@@ -214,7 +207,7 @@ class GParser(object):
                 result = argres
                 break
         if (len(argres) > 0) :
-            for j in range(0,len(argres)):
+            for j in xrange(0,len(argres)):
                 argres[j] = int(argres[j])
         return result
     def getGlyphDim(self, gly):
@@ -230,7 +223,7 @@ class GParser(object):
         tx = self.vx[self.gvtx[gly]:self.gvtx[gly+1]]
         ty = self.vy[self.gvtx[gly]:self.gvtx[gly+1]]
         p = 0
-        for k in range(self.glen[gly], self.glen[gly+1]):
+        for k in xrange(self.glen[gly], self.glen[gly+1]):
             if (p == 0):
                 zx = tx[0:self.vlen[k]+1]
                 zy = ty[0:self.vlen[k]+1]
@@ -329,17 +322,17 @@ def generateBook(bookDir, raw, fixedimage):
         imgname = filename.replace('color','img')
         sfile = os.path.join(spath,filename)
         dfile = os.path.join(dpath,imgname)
-        imgdata = open(sfile,'rb').read()
-        open(dfile,'wb').write(imgdata)
+        imgdata = file(sfile,'rb').read()
+        file(dfile,'wb').write(imgdata)
 
     print("Creating cover.jpg")
     isCover = False
     cpath = os.path.join(bookDir,'img')
     cpath = os.path.join(cpath,'img0000.jpg')
     if os.path.isfile(cpath):
-        cover = open(cpath, 'rb').read()
+        cover = file(cpath, 'rb').read()
         cpath = os.path.join(bookDir,'cover.jpg')
-        open(cpath, 'wb').write(cover)
+        file(cpath, 'wb').write(cover)
         isCover = True
 
 
@@ -368,7 +361,7 @@ def generateBook(bookDir, raw, fixedimage):
             mlst.append('<meta name="' + key + '" content="' + meta_array[key] + '" />\n')
         metastr = "".join(mlst)
         mlst = None
-        open(xname, 'wb').write(metastr)
+        file(xname, 'wb').write(metastr)
 
     print('Processing StyleSheet')
 
@@ -431,10 +424,10 @@ def generateBook(bookDir, raw, fixedimage):
 
     # now get the css info
     cssstr , classlst = stylexml2css.convert2CSS(flat_xml, fontsize, ph, pw)
-    open(xname, 'w').write(cssstr)
+    file(xname, 'wb').write(cssstr)
     if buildXML:
         xname = os.path.join(xmlDir, 'other0000.xml')
-        open(xname, 'wb').write(convert2xml.getXML(dict, otherFile))
+        file(xname, 'wb').write(convert2xml.getXML(dict, otherFile))
 
     print('Processing Glyphs')
     gd = GlyphDict()
@@ -456,10 +449,10 @@ def generateBook(bookDir, raw, fixedimage):
 
         if buildXML:
             xname = os.path.join(xmlDir, filename.replace('.dat','.xml'))
-            open(xname, 'wb').write(convert2xml.getXML(dict, fname))
+            file(xname, 'wb').write(convert2xml.getXML(dict, fname))
 
         gp = GParser(flat_xml)
-        for i in range(0, gp.count):
+        for i in xrange(0, gp.count):
             path = gp.getPath(i)
             maxh, maxw = gp.getGlyphDim(i)
             fullpath = '<path id="gl%d" d="%s" fill="black" /><!-- width=%d height=%d -->\n' % (counter * 256 + i, path, maxw, maxh)
@@ -514,7 +507,7 @@ def generateBook(bookDir, raw, fixedimage):
 
         if buildXML:
             xname = os.path.join(xmlDir, filename.replace('.dat','.xml'))
-            open(xname, 'wb').write(convert2xml.getXML(dict, fname))
+            file(xname, 'wb').write(convert2xml.getXML(dict, fname))
 
         # first get the html
         pagehtml, tocinfo = flatxml2html.convert2HTML(flat_xml, classlst, fname, bookDir, gd, fixedimage)
@@ -525,7 +518,7 @@ def generateBook(bookDir, raw, fixedimage):
     hlst.append('</body>\n</html>\n')
     htmlstr = "".join(hlst)
     hlst = None
-    open(os.path.join(bookDir, htmlFileName), 'w').write(htmlstr)
+    file(os.path.join(bookDir, htmlFileName), 'wb').write(htmlstr)
 
     print(" ")
     print('Extracting Table of Contents from Amazon OCR')
@@ -571,7 +564,7 @@ def generateBook(bookDir, raw, fixedimage):
     tlst.append('</body>\n')
     tlst.append('</html>\n')
     tochtml = "".join(tlst)
-    open(os.path.join(svgDir, 'toc.xhtml'), 'w').write(tochtml)
+    file(os.path.join(svgDir, 'toc.xhtml'), 'wb').write(tochtml)
 
 
     # now create index_svg.xhtml that points to all required files
@@ -608,7 +601,7 @@ def generateBook(bookDir, raw, fixedimage):
         flst = []
         for page in pagelst:
             flst.append(xmllst[page])
-        flat_svg = b"".join(flst)
+        flat_svg = "".join(flst)
         flst=None
         svgxml = flatxml2svg.convert2SVG(gd, flat_svg, pageid, previd, nextid, svgDir, raw, meta_array, scaledpi)
         if (raw) :
@@ -626,7 +619,7 @@ def generateBook(bookDir, raw, fixedimage):
     slst.append('</body>\n</html>\n')
     svgindex = "".join(slst)
     slst = None
-    open(os.path.join(bookDir, 'index_svg.xhtml'), 'w').write(svgindex)
+    file(os.path.join(bookDir, 'index_svg.xhtml'), 'wb').write(svgindex)
 
     print(" ")
 
@@ -637,16 +630,16 @@ def generateBook(bookDir, raw, fixedimage):
     olst.append('<package xmlns="http://www.idpf.org/2007/opf" unique-identifier="guid_id">\n')
     # adding metadata
     olst.append('   <metadata xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:opf="http://www.idpf.org/2007/opf">\n')
-    if b'GUID' in meta_array:
-        olst.append('      <dc:identifier opf:scheme="GUID" id="guid_id">' + meta_array[b'GUID'].decode('utf-8') + '</dc:identifier>\n')
-    if b'ASIN' in meta_array:
-        olst.append('      <dc:identifier opf:scheme="ASIN">' + meta_array[b'ASIN'].decode('utf-8') + '</dc:identifier>\n')
-    if b'oASIN' in meta_array:
-        olst.append('      <dc:identifier opf:scheme="oASIN">' + meta_array[b'oASIN'].decode('utf-8') + '</dc:identifier>\n')
-    olst.append('      <dc:title>' + meta_array[b'Title'].decode('utf-8') + '</dc:title>\n')
-    olst.append('      <dc:creator opf:role="aut">' + meta_array[b'Authors'].decode('utf-8') + '</dc:creator>\n')
+    if 'GUID' in meta_array:
+        olst.append('      <dc:identifier opf:scheme="GUID" id="guid_id">' + meta_array['GUID'] + '</dc:identifier>\n')
+    if 'ASIN' in meta_array:
+        olst.append('      <dc:identifier opf:scheme="ASIN">' + meta_array['ASIN'] + '</dc:identifier>\n')
+    if 'oASIN' in meta_array:
+        olst.append('      <dc:identifier opf:scheme="oASIN">' + meta_array['oASIN'] + '</dc:identifier>\n')
+    olst.append('      <dc:title>' + meta_array['Title'] + '</dc:title>\n')
+    olst.append('      <dc:creator opf:role="aut">' + meta_array['Authors'] + '</dc:creator>\n')
     olst.append('      <dc:language>en</dc:language>\n')
-    olst.append('      <dc:date>' + meta_array[b'UpdateTime'].decode('utf-8') + '</dc:date>\n')
+    olst.append('      <dc:date>' + meta_array['UpdateTime'] + '</dc:date>\n')
     if isCover:
         olst.append('      <meta name="cover" content="bookcover"/>\n')
     olst.append('   </metadata>\n')
@@ -675,7 +668,7 @@ def generateBook(bookDir, raw, fixedimage):
     olst.append('</package>\n')
     opfstr = "".join(olst)
     olst = None
-    open(opfname, 'w').write(opfstr)
+    file(opfname, 'wb').write(opfstr)
 
     print('Processing Complete')
 
@@ -694,8 +687,6 @@ def usage():
 
 
 def main(argv):
-    sys.stdout=SafeUnbuffered(sys.stdout)
-    sys.stderr=SafeUnbuffered(sys.stderr)
     bookDir = ''
     if len(argv) == 0:
         argv = sys.argv
@@ -703,7 +694,7 @@ def main(argv):
     try:
         opts, args = getopt.getopt(argv[1:], "rh:",["fixed-image"])
 
-    except getopt.GetoptError as err:
+    except getopt.GetoptError, err:
         print(str(err))
         usage()
         return 1

DeDRM_plugin/ignobleepub.py

@@ -1,13 +1,27 @@
-#!/usr/bin/env python3
+#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
-# ignobleepub.py
-# Copyright © 2009-2020 by i♥cabbages, Apprentice Harper et al.
+from __future__ import with_statement
+
+# ignobleepub.pyw, version 4.1
+# Copyright © 2009-2010 by i♥cabbages
 
 # Released under the terms of the GNU General Public Licence, version 3
 # <http://www.gnu.org/licenses/>
 
+# Modified 2010–2013 by some_updates, DiapDealer and Apprentice Alf
+# Modified 2015–2017 by Apprentice Harper
+
+# Windows users: Before running this program, you must first install Python 2.6
+#   from <http://www.python.org/download/> and PyCrypto from
+#   <http://www.voidspace.org.uk/python/modules.shtml#pycrypto> (make sure to
+#   install the version for Python 2.6).  Save this script file as
+#   ineptepub.pyw and double-click on it to run it.
 #
+# Mac OS X users: Save this script file as ineptepub.pyw.  You can run this
+#   program from the command line (pythonw ineptepub.pyw) or by double-clicking
+#   it when it has been associated with PythonLauncher.
+
 # Revision history:
 #   1 - Initial release
 #   2 - Added OS X support by using OpenSSL when available
@@ -23,14 +37,14 @@
 #   3.9 - moved unicode_argv call inside main for Windows DeDRM compatibility
 #   4.0 - Work if TkInter is missing
 #   4.1 - Import tkFileDialog, don't assume something else will import it.
-#   5.0 - Python 3 for calibre 5.0
 
 """
 Decrypt Barnes & Noble encrypted ePub books.
 """
+from __future__ import print_function
 
 __license__ = 'GPL v3'
-__version__ = "5.0"
+__version__ = "4.1"
 
 import sys
 import os
@@ -51,10 +65,10 @@ class SafeUnbuffered:
         if self.encoding == None:
             self.encoding = "utf-8"
     def write(self, data):
-        if isinstance(data,str):
+        if isinstance(data,unicode):
             data = data.encode(self.encoding,"replace")
-        self.stream.buffer.write(data)
-        self.stream.buffer.flush()
+        self.stream.write(data)
+        self.stream.flush()
     def __getattr__(self, attr):
         return getattr(self.stream, attr)
 
@@ -92,11 +106,13 @@ def unicode_argv():
             # Remove Python executable and commands if present
             start = argc.value - len(sys.argv)
             return [argv[i] for i in
-                    range(start, argc.value)]
-        return ["ineptepub.py"]
+                    xrange(start, argc.value)]
+        return [u"ineptepub.py"]
     else:
-        argvencoding = sys.stdin.encoding or "utf-8"
-        return [arg if isinstance(arg, str) else str(arg, argvencoding) for arg in sys.argv]
+        argvencoding = sys.stdin.encoding
+        if argvencoding == None:
+            argvencoding = "utf-8"
+        return [arg if (type(arg) == unicode) else unicode(arg,argvencoding) for arg in sys.argv]
 
 
 class IGNOBLEError(Exception):
@@ -240,14 +256,14 @@ def ignobleBook(inpath):
 
 def decryptBook(keyb64, inpath, outpath):
     if AES is None:
-        raise IGNOBLEError("PyCrypto or OpenSSL must be installed.")
+        raise IGNOBLEError(u"PyCrypto or OpenSSL must be installed.")
     key = keyb64.decode('base64')[:16]
     aes = AES(key)
     with closing(ZipFile(open(inpath, 'rb'))) as inf:
         namelist = set(inf.namelist())
         if 'META-INF/rights.xml' not in namelist or \
            'META-INF/encryption.xml' not in namelist:
-            print("{0:s} is DRM-free.".format(os.path.basename(inpath)))
+            print(u"{0:s} is DRM-free.".format(os.path.basename(inpath)))
             return 1
         for name in META_NAMES:
             namelist.remove(name)
@@ -257,7 +273,7 @@ def decryptBook(keyb64, inpath, outpath):
             expr = './/%s' % (adept('encryptedKey'),)
             bookkey = ''.join(rights.findtext(expr))
             if len(bookkey) != 64:
-                print("{0:s} is not a secure Barnes & Noble ePub.".format(os.path.basename(inpath)))
+                print(u"{0:s} is not a secure Barnes & Noble ePub.".format(os.path.basename(inpath)))
                 return 1
             bookkey = aes.decrypt(bookkey.decode('base64'))
             bookkey = bookkey[:-ord(bookkey[-1])]
@@ -300,7 +316,7 @@ def decryptBook(keyb64, inpath, outpath):
                         pass
                     outf.writestr(zi, decryptor.decrypt(path, data))
         except:
-            print("Could not decrypt {0:s} because of an exception:\n{1:s}".format(os.path.basename(inpath), traceback.format_exc()))
+            print(u"Could not decrypt {0:s} because of an exception:\n{1:s}".format(os.path.basename(inpath), traceback.format_exc()))
             return 2
     return 0
 
@@ -311,90 +327,90 @@ def cli_main():
     argv=unicode_argv()
     progname = os.path.basename(argv[0])
     if len(argv) != 4:
-        print("usage: {0} <keyfile.b64> <inbook.epub> <outbook.epub>".format(progname))
+        print(u"usage: {0} <keyfile.b64> <inbook.epub> <outbook.epub>".format(progname))
         return 1
     keypath, inpath, outpath = argv[1:]
     userkey = open(keypath,'rb').read()
     result = decryptBook(userkey, inpath, outpath)
     if result == 0:
-        print("Successfully decrypted {0:s} as {1:s}".format(os.path.basename(inpath),os.path.basename(outpath)))
+        print(u"Successfully decrypted {0:s} as {1:s}".format(os.path.basename(inpath),os.path.basename(outpath)))
     return result
 
 def gui_main():
     try:
-        import tkinter
-        import tkinter.constants
-        import tkinter.filedialog
-        import tkinter.messagebox
+        import Tkinter
+        import Tkconstants
+        import tkFileDialog
+        import tkMessageBox
         import traceback
     except:
         return cli_main()
 
-    class DecryptionDialog(tkinter.Frame):
+    class DecryptionDialog(Tkinter.Frame):
         def __init__(self, root):
-            tkinter.Frame.__init__(self, root, border=5)
-            self.status = tkinter.Label(self, text="Select files for decryption")
-            self.status.pack(fill=tkinter.constants.X, expand=1)
-            body = tkinter.Frame(self)
-            body.pack(fill=tkinter.constants.X, expand=1)
-            sticky = tkinter.constants.E + tkinter.constants.W
+            Tkinter.Frame.__init__(self, root, border=5)
+            self.status = Tkinter.Label(self, text=u"Select files for decryption")
+            self.status.pack(fill=Tkconstants.X, expand=1)
+            body = Tkinter.Frame(self)
+            body.pack(fill=Tkconstants.X, expand=1)
+            sticky = Tkconstants.E + Tkconstants.W
             body.grid_columnconfigure(1, weight=2)
-            tkinter.Label(body, text="Key file").grid(row=0)
-            self.keypath = tkinter.Entry(body, width=30)
+            Tkinter.Label(body, text=u"Key file").grid(row=0)
+            self.keypath = Tkinter.Entry(body, width=30)
             self.keypath.grid(row=0, column=1, sticky=sticky)
-            if os.path.exists("bnepubkey.b64"):
-                self.keypath.insert(0, "bnepubkey.b64")
-            button = tkinter.Button(body, text="...", command=self.get_keypath)
+            if os.path.exists(u"bnepubkey.b64"):
+                self.keypath.insert(0, u"bnepubkey.b64")
+            button = Tkinter.Button(body, text=u"...", command=self.get_keypath)
             button.grid(row=0, column=2)
-            tkinter.Label(body, text="Input file").grid(row=1)
-            self.inpath = tkinter.Entry(body, width=30)
+            Tkinter.Label(body, text=u"Input file").grid(row=1)
+            self.inpath = Tkinter.Entry(body, width=30)
             self.inpath.grid(row=1, column=1, sticky=sticky)
-            button = tkinter.Button(body, text="...", command=self.get_inpath)
+            button = Tkinter.Button(body, text=u"...", command=self.get_inpath)
             button.grid(row=1, column=2)
-            tkinter.Label(body, text="Output file").grid(row=2)
-            self.outpath = tkinter.Entry(body, width=30)
+            Tkinter.Label(body, text=u"Output file").grid(row=2)
+            self.outpath = Tkinter.Entry(body, width=30)
             self.outpath.grid(row=2, column=1, sticky=sticky)
-            button = tkinter.Button(body, text="...", command=self.get_outpath)
+            button = Tkinter.Button(body, text=u"...", command=self.get_outpath)
             button.grid(row=2, column=2)
-            buttons = tkinter.Frame(self)
+            buttons = Tkinter.Frame(self)
             buttons.pack()
-            botton = tkinter.Button(
-                buttons, text="Decrypt", width=10, command=self.decrypt)
-            botton.pack(side=tkinter.constants.LEFT)
-            tkinter.Frame(buttons, width=10).pack(side=tkinter.constants.LEFT)
-            button = tkinter.Button(
-                buttons, text="Quit", width=10, command=self.quit)
-            button.pack(side=tkinter.constants.RIGHT)
+            botton = Tkinter.Button(
+                buttons, text=u"Decrypt", width=10, command=self.decrypt)
+            botton.pack(side=Tkconstants.LEFT)
+            Tkinter.Frame(buttons, width=10).pack(side=Tkconstants.LEFT)
+            button = Tkinter.Button(
+                buttons, text=u"Quit", width=10, command=self.quit)
+            button.pack(side=Tkconstants.RIGHT)
 
         def get_keypath(self):
-            keypath = tkinter.filedialog.askopenfilename(
-                parent=None, title="Select Barnes & Noble \'.b64\' key file",
-                defaultextension=".b64",
+            keypath = tkFileDialog.askopenfilename(
+                parent=None, title=u"Select Barnes & Noble \'.b64\' key file",
+                defaultextension=u".b64",
                 filetypes=[('base64-encoded files', '.b64'),
                            ('All Files', '.*')])
             if keypath:
                 keypath = os.path.normpath(keypath)
-                self.keypath.delete(0, tkinter.constants.END)
+                self.keypath.delete(0, Tkconstants.END)
                 self.keypath.insert(0, keypath)
             return
 
         def get_inpath(self):
-            inpath = tkinter.filedialog.askopenfilename(
-                parent=None, title="Select B&N-encrypted ePub file to decrypt",
-                defaultextension=".epub", filetypes=[('ePub files', '.epub')])
+            inpath = tkFileDialog.askopenfilename(
+                parent=None, title=u"Select B&N-encrypted ePub file to decrypt",
+                defaultextension=u".epub", filetypes=[('ePub files', '.epub')])
             if inpath:
                 inpath = os.path.normpath(inpath)
-                self.inpath.delete(0, tkinter.constants.END)
+                self.inpath.delete(0, Tkconstants.END)
                 self.inpath.insert(0, inpath)
             return
 
         def get_outpath(self):
-            outpath = tkinter.filedialog.asksaveasfilename(
-                parent=None, title="Select unencrypted ePub file to produce",
-                defaultextension=".epub", filetypes=[('ePub files', '.epub')])
+            outpath = tkFileDialog.asksaveasfilename(
+                parent=None, title=u"Select unencrypted ePub file to produce",
+                defaultextension=u".epub", filetypes=[('ePub files', '.epub')])
             if outpath:
                 outpath = os.path.normpath(outpath)
-                self.outpath.delete(0, tkinter.constants.END)
+                self.outpath.delete(0, Tkconstants.END)
                 self.outpath.insert(0, outpath)
             return
 
@@ -403,34 +419,34 @@ def gui_main():
             inpath = self.inpath.get()
             outpath = self.outpath.get()
             if not keypath or not os.path.exists(keypath):
-                self.status['text'] = "Specified key file does not exist"
+                self.status['text'] = u"Specified key file does not exist"
                 return
             if not inpath or not os.path.exists(inpath):
-                self.status['text'] = "Specified input file does not exist"
+                self.status['text'] = u"Specified input file does not exist"
                 return
             if not outpath:
-                self.status['text'] = "Output file not specified"
+                self.status['text'] = u"Output file not specified"
                 return
             if inpath == outpath:
-                self.status['text'] = "Must have different input and output files"
+                self.status['text'] = u"Must have different input and output files"
                 return
             userkey = open(keypath,'rb').read()
-            self.status['text'] = "Decrypting..."
+            self.status['text'] = u"Decrypting..."
             try:
                 decrypt_status = decryptBook(userkey, inpath, outpath)
-            except Exception as e:
-                self.status['text'] = "Error: {0}".format(e.args[0])
+            except Exception, e:
+                self.status['text'] = u"Error: {0}".format(e.args[0])
                 return
             if decrypt_status == 0:
-                self.status['text'] = "File successfully decrypted"
+                self.status['text'] = u"File successfully decrypted"
             else:
-                self.status['text'] = "The was an error decrypting the file."
+                self.status['text'] = u"The was an error decrypting the file."
 
-    root = tkinter.Tk()
-    root.title("Barnes & Noble ePub Decrypter v.{0}".format(__version__))
+    root = Tkinter.Tk()
+    root.title(u"Barnes & Noble ePub Decrypter v.{0}".format(__version__))
     root.resizable(True, False)
     root.minsize(300, 0)
-    DecryptionDialog(root).pack(fill=tkinter.constants.X, expand=1)
+    DecryptionDialog(root).pack(fill=Tkconstants.X, expand=1)
     root.mainloop()
     return 0
 

DeDRM_plugin/ignoblekey.py

@@ -1,8 +1,10 @@
-#!/usr/bin/env python3
+#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
+from __future__ import with_statement
+
 # ignoblekey.py
-# Copyright © 2015-2020 Apprentice Alf, Apprentice Harper et al.
+# Copyright © 2015 Apprentice Alf and Apprentice Harper
 
 # Based on kindlekey.py, Copyright © 2010-2013 by some_updates and Apprentice Alf
 
@@ -12,14 +14,14 @@
 # Revision history:
 #   1.0 - Initial release
 #   1.1 - remove duplicates and return last key as single key
-#   2.0 - Python 3 for calibre 5.0
 
 """
 Get Barnes & Noble EPUB user key from nook Studio log file
 """
+from __future__ import print_function
 
 __license__ = 'GPL v3'
-__version__ = "2.0"
+__version__ = "1.1"
 
 import sys
 import os
@@ -37,11 +39,10 @@ class SafeUnbuffered:
         if self.encoding == None:
             self.encoding = "utf-8"
     def write(self, data):
-        if isinstance(data, str):
+        if isinstance(data,unicode):
             data = data.encode(self.encoding,"replace")
-        self.stream.buffer.write(data)
-        self.stream.buffer.flush()
-
+        self.stream.write(data)
+        self.stream.flush()
     def __getattr__(self, attr):
         return getattr(self.stream, attr)
 
@@ -79,13 +80,15 @@ def unicode_argv():
             # Remove Python executable and commands if present
             start = argc.value - len(sys.argv)
             return [argv[i] for i in
-                    range(start, argc.value)]
+                    xrange(start, argc.value)]
         # if we don't have any arguments at all, just pass back script name
         # this should never happen
-        return ["ignoblekey.py"]
+        return [u"ignoblekey.py"]
     else:
-        argvencoding = sys.stdin.encoding or "utf-8"
-        return [arg if isinstance(arg, str) else str(arg, argvencoding) for arg in sys.argv]
+        argvencoding = sys.stdin.encoding
+        if argvencoding == None:
+            argvencoding = "utf-8"
+        return [arg if (type(arg) == unicode) else unicode(arg,argvencoding) for arg in sys.argv]
 
 class DrmException(Exception):
     pass
@@ -95,22 +98,22 @@ def getNookLogFiles():
     logFiles = []
     found = False
     if iswindows:
-        import winreg
+        import _winreg as winreg
 
         # some 64 bit machines do not have the proper registry key for some reason
         # or the python interface to the 32 vs 64 bit registry is broken
         paths = set()
         if 'LOCALAPPDATA' in os.environ.keys():
             # Python 2.x does not return unicode env. Use Python 3.x
-            path = winreg.ExpandEnvironmentStrings("%LOCALAPPDATA%")
+            path = winreg.ExpandEnvironmentStrings(u"%LOCALAPPDATA%")
             if os.path.isdir(path):
                 paths.add(path)
         if 'USERPROFILE' in os.environ.keys():
             # Python 2.x does not return unicode env. Use Python 3.x
-            path = winreg.ExpandEnvironmentStrings("%USERPROFILE%")+"\\AppData\\Local"
+            path = winreg.ExpandEnvironmentStrings(u"%USERPROFILE%")+u"\\AppData\\Local"
             if os.path.isdir(path):
                 paths.add(path)
-            path = winreg.ExpandEnvironmentStrings("%USERPROFILE%")+"\\AppData\\Roaming"
+            path = winreg.ExpandEnvironmentStrings(u"%USERPROFILE%")+u"\\AppData\\Roaming"
             if os.path.isdir(path):
                 paths.add(path)
         # User Shell Folders show take precedent over Shell Folders if present
@@ -196,7 +199,7 @@ def nookkeys(files = []):
     for file in files:
         fileKeys = getKeysFromLog(file)
         if fileKeys:
-            print("Found {0} keys in the Nook Study log files".format(len(fileKeys)))
+            print(u"Found {0} keys in the Nook Study log files".format(len(fileKeys)))
             keys.extend(fileKeys)
     return list(set(keys))
 
@@ -207,29 +210,29 @@ def getkey(outpath, files=[]):
     if len(keys) > 0:
         if not os.path.isdir(outpath):
             outfile = outpath
-            with open(outfile, 'w') as keyfileout:
+            with file(outfile, 'w') as keyfileout:
                 keyfileout.write(keys[-1])
-            print("Saved a key to {0}".format(outfile))
+            print(u"Saved a key to {0}".format(outfile))
         else:
             keycount = 0
             for key in keys:
                 while True:
                     keycount += 1
-                    outfile = os.path.join(outpath,"nookkey{0:d}.b64".format(keycount))
+                    outfile = os.path.join(outpath,u"nookkey{0:d}.b64".format(keycount))
                     if not os.path.exists(outfile):
                         break
-                with open(outfile, 'w') as keyfileout:
+                with file(outfile, 'w') as keyfileout:
                     keyfileout.write(key)
-                print("Saved a key to {0}".format(outfile))
+                print(u"Saved a key to {0}".format(outfile))
         return True
     return False
 
 def usage(progname):
-    print("Finds the nook Study encryption keys.")
-    print("Keys are saved to the current directory, or a specified output directory.")
-    print("If a file name is passed instead of a directory, only the first key is saved, in that file.")
-    print("Usage:")
-    print("    {0:s} [-h] [-k <logFile>] [<outpath>]".format(progname))
+    print(u"Finds the nook Study encryption keys.")
+    print(u"Keys are saved to the current directory, or a specified output directory.")
+    print(u"If a file name is passed instead of a directory, only the first key is saved, in that file.")
+    print(u"Usage:")
+    print(u"    {0:s} [-h] [-k <logFile>] [<outpath>]".format(progname))
 
 
 def cli_main():
@@ -237,12 +240,12 @@ def cli_main():
     sys.stderr=SafeUnbuffered(sys.stderr)
     argv=unicode_argv()
     progname = os.path.basename(argv[0])
-    print("{0} v{1}\nCopyright © 2015 Apprentice Alf".format(progname,__version__))
+    print(u"{0} v{1}\nCopyright © 2015 Apprentice Alf".format(progname,__version__))
 
     try:
         opts, args = getopt.getopt(argv[1:], "hk:")
-    except getopt.GetoptError as err:
-        print("Error in options or arguments: {0}".format(err.args[0]))
+    except getopt.GetoptError, err:
+        print(u"Error in options or arguments: {0}".format(err.args[0]))
         usage(progname)
         sys.exit(2)
 
@@ -271,33 +274,33 @@ def cli_main():
     outpath = os.path.realpath(os.path.normpath(outpath))
 
     if not getkey(outpath, files):
-        print("Could not retrieve nook Study key.")
+        print(u"Could not retrieve nook Study key.")
     return 0
 
 
 def gui_main():
     try:
-        import tkinter
-        import tkinter.constants
-        import tkinter.messagebox
+        import Tkinter
+        import Tkconstants
+        import tkMessageBox
         import traceback
     except:
         return cli_main()
 
-    class ExceptionDialog(tkinter.Frame):
+    class ExceptionDialog(Tkinter.Frame):
         def __init__(self, root, text):
-            tkinter.Frame.__init__(self, root, border=5)
-            label = tkinter.Label(self, text="Unexpected error:",
-                                  anchor=tkinter.constants.W, justify=tkinter.constants.LEFT)
-            label.pack(fill=tkinter.constants.X, expand=0)
-            self.text = tkinter.Text(self)
-            self.text.pack(fill=tkinter.constants.BOTH, expand=1)
+            Tkinter.Frame.__init__(self, root, border=5)
+            label = Tkinter.Label(self, text=u"Unexpected error:",
+                                  anchor=Tkconstants.W, justify=Tkconstants.LEFT)
+            label.pack(fill=Tkconstants.X, expand=0)
+            self.text = Tkinter.Text(self)
+            self.text.pack(fill=Tkconstants.BOTH, expand=1)
 
-            self.text.insert(tkinter.constants.END, text)
+            self.text.insert(Tkconstants.END, text)
 
 
     argv=unicode_argv()
-    root = tkinter.Tk()
+    root = Tkinter.Tk()
     root.withdraw()
     progpath, progname = os.path.split(argv[0])
     success = False
@@ -308,21 +311,21 @@ def gui_main():
             print(key)
             while True:
                 keycount += 1
-                outfile = os.path.join(progpath,"nookkey{0:d}.b64".format(keycount))
+                outfile = os.path.join(progpath,u"nookkey{0:d}.b64".format(keycount))
                 if not os.path.exists(outfile):
                     break
 
-            with open(outfile, 'w') as keyfileout:
+            with file(outfile, 'w') as keyfileout:
                 keyfileout.write(key)
             success = True
-            tkinter.messagebox.showinfo(progname, "Key successfully retrieved to {0}".format(outfile))
-    except DrmException as e:
-        tkinter.messagebox.showerror(progname, "Error: {0}".format(str(e)))
+            tkMessageBox.showinfo(progname, u"Key successfully retrieved to {0}".format(outfile))
+    except DrmException, e:
+        tkMessageBox.showerror(progname, u"Error: {0}".format(str(e)))
     except Exception:
         root.wm_state('normal')
         root.title(progname)
         text = traceback.format_exc()
-        ExceptionDialog(root, text).pack(fill=tkinter.constants.BOTH, expand=1)
+        ExceptionDialog(root, text).pack(fill=Tkconstants.BOTH, expand=1)
         root.mainloop()
     if not success:
         return 1

DeDRM_plugin/ignoblekeyfetch.py

@@ -1,8 +1,10 @@
-#!/usr/bin/env python3
+#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
-# ignoblekeyfetch.py
-# Copyright © 2015-2020 Apprentice Harper et al.
+from __future__ import with_statement
+
+# ignoblekeyfetch.pyw, version 1.1
+# Copyright © 2015 Apprentice Harper
 
 # Released under the terms of the GNU General Public Licence, version 3
 # <http://www.gnu.org/licenses/>
@@ -22,14 +24,14 @@
 # Revision history:
 #   1.0 - Initial  version
 #   1.1 - Try second URL if first one fails
-#   2.0 - Python 3 for calibre 5.0
 
 """
 Fetch Barnes & Noble EPUB user key from B&N servers using email and password
 """
+from __future__ import print_function
 
 __license__ = 'GPL v3'
-__version__ = "2.0"
+__version__ = "1.1"
 
 import sys
 import os
@@ -44,11 +46,10 @@ class SafeUnbuffered:
         if self.encoding == None:
             self.encoding = "utf-8"
     def write(self, data):
-        if isinstance(data, str):
+        if isinstance(data,unicode):
             data = data.encode(self.encoding,"replace")
-        self.stream.buffer.write(data)
-        self.stream.buffer.flush()
-
+        self.stream.write(data)
+        self.stream.flush()
     def __getattr__(self, attr):
         return getattr(self.stream, attr)
 
@@ -86,13 +87,15 @@ def unicode_argv():
             # Remove Python executable and commands if present
             start = argc.value - len(sys.argv)
             return [argv[i] for i in
-                    range(start, argc.value)]
+                    xrange(start, argc.value)]
         # if we don't have any arguments at all, just pass back script name
         # this should never happen
-        return ["ignoblekeyfetch.py"]
+        return [u"ignoblekeyfetch.py"]
     else:
-        argvencoding = sys.stdin.encoding or "utf-8"
-        return [arg if isinstance(arg, str) else str(arg, argvencoding) for arg in sys.argv]
+        argvencoding = sys.stdin.encoding
+        if argvencoding == None:
+            argvencoding = "utf-8"
+        return [arg if (type(arg) == unicode) else unicode(arg,argvencoding) for arg in sys.argv]
 
 
 class IGNOBLEError(Exception):
@@ -100,25 +103,26 @@ class IGNOBLEError(Exception):
 
 def fetch_key(email, password):
     # change email and password to utf-8 if unicode
-    if type(email)==str:
+    if type(email)==unicode:
         email = email.encode('utf-8')
-    if type(password)==str:
+    if type(password)==unicode:
         password = password.encode('utf-8')
 
     import random
     random = "%030x" % random.randrange(16**30)
 
-    import urllib.parse, urllib.request, re
+    import urllib, urllib2, re
 
     # try the URL from nook for PC
     fetch_url = "https://cart4.barnesandnoble.com/services/service.aspx?Version=2&acctPassword="
-    fetch_url += urllib.parse.quote(password,'')+"&devID=PC_BN_2.5.6.9575_"+random+"&emailAddress="
-    fetch_url += urllib.parse.quote(email,"")+"&outFormat=5&schema=1&service=1&stage=deviceHashB"
+    fetch_url += urllib.quote(password,'')+"&devID=PC_BN_2.5.6.9575_"+random+"&emailAddress="
+    fetch_url += urllib.quote(email,"")+"&outFormat=5&schema=1&service=1&stage=deviceHashB"
     #print fetch_url
 
     found = ''
     try:
-        response = urllib.request.urlopen(fetch_url)
+        req = urllib2.Request(fetch_url)
+        response = urllib2.urlopen(req)
         the_page = response.read()
         #print the_page
         found = re.search('ccHash>(.+?)</ccHash', the_page).group(1)
@@ -127,13 +131,14 @@ def fetch_key(email, password):
     if len(found)!=28:
         # try the URL from android devices
         fetch_url = "https://cart4.barnesandnoble.com/services/service.aspx?Version=2&acctPassword="
-        fetch_url += urllib.parse.quote(password,'')+"&devID=hobbes_9.3.50818_"+random+"&emailAddress="
-        fetch_url += urllib.parse.quote(email,"")+"&outFormat=5&schema=1&service=1&stage=deviceHashB"
+        fetch_url += urllib.quote(password,'')+"&devID=hobbes_9.3.50818_"+random+"&emailAddress="
+        fetch_url += urllib.quote(email,"")+"&outFormat=5&schema=1&service=1&stage=deviceHashB"
         #print fetch_url
 
         found = ''
         try:
-            response = urllib.request.urlopen(fetch_url)
+            req = urllib2.Request(fetch_url)
+            response = urllib2.urlopen(req)
             the_page = response.read()
             #print the_page
             found = re.search('ccHash>(.+?)</ccHash', the_page).group(1)
@@ -151,67 +156,67 @@ def cli_main():
     argv=unicode_argv()
     progname = os.path.basename(argv[0])
     if len(argv) != 4:
-        print("usage: {0} <email> <password> <keyfileout.b64>".format(progname))
+        print(u"usage: {0} <email> <password> <keyfileout.b64>".format(progname))
         return 1
     email, password, keypath = argv[1:]
     userkey = fetch_key(email, password)
     if len(userkey) == 28:
         open(keypath,'wb').write(userkey)
         return 0
-    print("Failed to fetch key.")
+    print(u"Failed to fetch key.")
     return 1
 
 
 def gui_main():
     try:
-        import tkinter
-        import tkinter.filedialog
-        import tkinter.constants
-        import tkinter.messagebox
+        import Tkinter
+        import tkFileDialog
+        import Tkconstants
+        import tkMessageBox
         import traceback
     except:
         return cli_main()
 
-    class DecryptionDialog(tkinter.Frame):
+    class DecryptionDialog(Tkinter.Frame):
         def __init__(self, root):
-            tkinter.Frame.__init__(self, root, border=5)
-            self.status = tkinter.Label(self, text="Enter parameters")
-            self.status.pack(fill=tkinter.constants.X, expand=1)
-            body = tkinter.Frame(self)
-            body.pack(fill=tkinter.constants.X, expand=1)
-            sticky = tkinter.constants.E + tkinter.constants.W
+            Tkinter.Frame.__init__(self, root, border=5)
+            self.status = Tkinter.Label(self, text=u"Enter parameters")
+            self.status.pack(fill=Tkconstants.X, expand=1)
+            body = Tkinter.Frame(self)
+            body.pack(fill=Tkconstants.X, expand=1)
+            sticky = Tkconstants.E + Tkconstants.W
             body.grid_columnconfigure(1, weight=2)
-            tkinter.Label(body, text="Account email address").grid(row=0)
-            self.name = tkinter.Entry(body, width=40)
+            Tkinter.Label(body, text=u"Account email address").grid(row=0)
+            self.name = Tkinter.Entry(body, width=40)
             self.name.grid(row=0, column=1, sticky=sticky)
-            tkinter.Label(body, text="Account password").grid(row=1)
-            self.ccn = tkinter.Entry(body, width=40)
+            Tkinter.Label(body, text=u"Account password").grid(row=1)
+            self.ccn = Tkinter.Entry(body, width=40)
             self.ccn.grid(row=1, column=1, sticky=sticky)
-            tkinter.Label(body, text="Output file").grid(row=2)
-            self.keypath = tkinter.Entry(body, width=40)
+            Tkinter.Label(body, text=u"Output file").grid(row=2)
+            self.keypath = Tkinter.Entry(body, width=40)
             self.keypath.grid(row=2, column=1, sticky=sticky)
-            self.keypath.insert(2, "bnepubkey.b64")
-            button = tkinter.Button(body, text="...", command=self.get_keypath)
+            self.keypath.insert(2, u"bnepubkey.b64")
+            button = Tkinter.Button(body, text=u"...", command=self.get_keypath)
             button.grid(row=2, column=2)
-            buttons = tkinter.Frame(self)
+            buttons = Tkinter.Frame(self)
             buttons.pack()
-            botton = tkinter.Button(
-                buttons, text="Fetch", width=10, command=self.generate)
-            botton.pack(side=tkinter.constants.LEFT)
-            tkinter.Frame(buttons, width=10).pack(side=tkinter.constants.LEFT)
-            button = tkinter.Button(
-                buttons, text="Quit", width=10, command=self.quit)
-            button.pack(side=tkinter.constants.RIGHT)
+            botton = Tkinter.Button(
+                buttons, text=u"Fetch", width=10, command=self.generate)
+            botton.pack(side=Tkconstants.LEFT)
+            Tkinter.Frame(buttons, width=10).pack(side=Tkconstants.LEFT)
+            button = Tkinter.Button(
+                buttons, text=u"Quit", width=10, command=self.quit)
+            button.pack(side=Tkconstants.RIGHT)
 
         def get_keypath(self):
-            keypath = tkinter.filedialog.asksaveasfilename(
-                parent=None, title="Select B&N ePub key file to produce",
-                defaultextension=".b64",
+            keypath = tkFileDialog.asksaveasfilename(
+                parent=None, title=u"Select B&N ePub key file to produce",
+                defaultextension=u".b64",
                 filetypes=[('base64-encoded files', '.b64'),
                            ('All Files', '.*')])
             if keypath:
                 keypath = os.path.normpath(keypath)
-                self.keypath.delete(0, tkinter.constants.END)
+                self.keypath.delete(0, Tkconstants.END)
                 self.keypath.insert(0, keypath)
             return
 
@@ -220,31 +225,31 @@ def gui_main():
             password = self.ccn.get()
             keypath = self.keypath.get()
             if not email:
-                self.status['text'] = "Email address not given"
+                self.status['text'] = u"Email address not given"
                 return
             if not password:
-                self.status['text'] = "Account password not given"
+                self.status['text'] = u"Account password not given"
                 return
             if not keypath:
-                self.status['text'] = "Output keyfile path not set"
+                self.status['text'] = u"Output keyfile path not set"
                 return
-            self.status['text'] = "Fetching..."
+            self.status['text'] = u"Fetching..."
             try:
                 userkey = fetch_key(email, password)
-            except Exception as e:
-                self.status['text'] = "Error: {0}".format(e.args[0])
+            except Exception, e:
+                self.status['text'] = u"Error: {0}".format(e.args[0])
                 return
             if len(userkey) == 28:
                 open(keypath,'wb').write(userkey)
-                self.status['text'] = "Keyfile fetched successfully"
+                self.status['text'] = u"Keyfile fetched successfully"
             else:
-                self.status['text'] = "Keyfile fetch failed."
+                self.status['text'] = u"Keyfile fetch failed."
 
-    root = tkinter.Tk()
-    root.title("Barnes & Noble ePub Keyfile Fetch v.{0}".format(__version__))
+    root = Tkinter.Tk()
+    root.title(u"Barnes & Noble ePub Keyfile Fetch v.{0}".format(__version__))
     root.resizable(True, False)
     root.minsize(300, 0)
-    DecryptionDialog(root).pack(fill=tkinter.constants.X, expand=1)
+    DecryptionDialog(root).pack(fill=Tkconstants.X, expand=1)
     root.mainloop()
     return 0
 

DeDRM_plugin/ignoblekeygen.py

@@ -1,12 +1,16 @@
-#!/usr/bin/env python3
+#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
-# ignoblekeygen.py
-# Copyright © 2009-2020 i♥cabbages, Apprentice Harper et al.
+from __future__ import with_statement
+
+# ignoblekeygen.pyw, version 2.5
+# Copyright © 2009-2010 i♥cabbages
 
 # Released under the terms of the GNU General Public Licence, version 3
 # <http://www.gnu.org/licenses/>
 
+# Modified 2010–2013 by some_updates, DiapDealer and Apprentice Alf
+
 # Windows users: Before running this program, you must first install Python.
 #   We recommend ActiveState Python 2.7.X for Windows (x86) from
 #   http://www.activestate.com/activepython/downloads.
@@ -30,19 +34,18 @@
 #   2.6 - moved unicode_argv call inside main for Windows DeDRM compatibility
 #   2.7 - Work if TkInter is missing
 #   2.8 - Fix bug in stand-alone use (import tkFileDialog)
-#   3.0 - Added Python 3 compatibility for calibre 5.0
 
 """
 Generate Barnes & Noble EPUB user key from name and credit card number.
 """
+from __future__ import print_function
 
 __license__ = 'GPL v3'
-__version__ = "3.0"
+__version__ = "2.8"
 
 import sys
 import os
 import hashlib
-import base64
 
 # Wrap a stream so that output gets flushed immediately
 # and also make sure that any unicode strings get
@@ -54,11 +57,10 @@ class SafeUnbuffered:
         if self.encoding == None:
             self.encoding = "utf-8"
     def write(self, data):
-        if isinstance(data, str):
+        if isinstance(data,unicode):
             data = data.encode(self.encoding,"replace")
-        self.stream.buffer.write(data)
-        self.stream.buffer.flush()
-
+        self.stream.write(data)
+        self.stream.flush()
     def __getattr__(self, attr):
         return getattr(self.stream, attr)
 
@@ -96,13 +98,15 @@ def unicode_argv():
             # Remove Python executable and commands if present
             start = argc.value - len(sys.argv)
             return [argv[i] for i in
-                    range(start, argc.value)]
+                    xrange(start, argc.value)]
         # if we don't have any arguments at all, just pass back script name
         # this should never happen
-        return ["ignoblekeygen.py"]
+        return [u"ignoblekeygen.py"]
     else:
-        argvencoding = sys.stdin.encoding or "utf-8"
-        return [arg if isinstance(arg, str) else str(arg, argvencoding) for arg in sys.argv]
+        argvencoding = sys.stdin.encoding
+        if argvencoding == None:
+            argvencoding = "utf-8"
+        return [arg if (type(arg) == unicode) else unicode(arg,argvencoding) for arg in sys.argv]
 
 
 class IGNOBLEError(Exception):
@@ -195,24 +199,23 @@ def normalize_name(name):
 
 def generate_key(name, ccn):
     # remove spaces and case from name and CC numbers.
-    name = normalize_name(name)
-    ccn = normalize_name(ccn)
-
-    if type(name)==str:
+    if type(name)==unicode:
         name = name.encode('utf-8')
-    if type(ccn)==str:
+    if type(ccn)==unicode:
         ccn = ccn.encode('utf-8')
 
-    name = name + b'\x00'
-    ccn = ccn + b'\x00'
+    name = normalize_name(name) + '\x00'
+    ccn = normalize_name(ccn) + '\x00'
 
     name_sha = hashlib.sha1(name).digest()[:16]
     ccn_sha = hashlib.sha1(ccn).digest()[:16]
     both_sha = hashlib.sha1(name + ccn).digest()
     aes = AES(ccn_sha, name_sha)
-    crypt = aes.encrypt(both_sha + (b'\x0c' * 0x0c))
+    crypt = aes.encrypt(both_sha + ('\x0c' * 0x0c))
     userkey = hashlib.sha1(crypt).digest()
-    return base64.b64encode(userkey)
+    return userkey.encode('base64')
+
+
 
 
 def cli_main():
@@ -226,7 +229,7 @@ def cli_main():
               (progname,))
         return 1
     if len(argv) != 4:
-        print("usage: {0} <Name> <CC#> <keyfileout.b64>".format(progname))
+        print(u"usage: {0} <Name> <CC#> <keyfileout.b64>".format(progname))
         return 1
     name, ccn, keypath = argv[1:]
     userkey = generate_key(name, ccn)
@@ -236,54 +239,54 @@ def cli_main():
 
 def gui_main():
     try:
-        import tkinter
-        import tkinter.constants
-        import tkinter.messagebox
-        import tkinter.filedialog
+        import Tkinter
+        import Tkconstants
+        import tkMessageBox
+        import tkFileDialog
         import traceback
     except:
         return cli_main()
 
-    class DecryptionDialog(tkinter.Frame):
+    class DecryptionDialog(Tkinter.Frame):
         def __init__(self, root):
-            tkinter.Frame.__init__(self, root, border=5)
-            self.status = tkinter.Label(self, text="Enter parameters")
-            self.status.pack(fill=tkinter.constants.X, expand=1)
-            body = tkinter.Frame(self)
-            body.pack(fill=tkinter.constants.X, expand=1)
-            sticky = tkinter.constants.E + tkinter.constants.W
+            Tkinter.Frame.__init__(self, root, border=5)
+            self.status = Tkinter.Label(self, text=u"Enter parameters")
+            self.status.pack(fill=Tkconstants.X, expand=1)
+            body = Tkinter.Frame(self)
+            body.pack(fill=Tkconstants.X, expand=1)
+            sticky = Tkconstants.E + Tkconstants.W
             body.grid_columnconfigure(1, weight=2)
-            tkinter.Label(body, text="Account Name").grid(row=0)
-            self.name = tkinter.Entry(body, width=40)
+            Tkinter.Label(body, text=u"Account Name").grid(row=0)
+            self.name = Tkinter.Entry(body, width=40)
             self.name.grid(row=0, column=1, sticky=sticky)
-            tkinter.Label(body, text="CC#").grid(row=1)
-            self.ccn = tkinter.Entry(body, width=40)
+            Tkinter.Label(body, text=u"CC#").grid(row=1)
+            self.ccn = Tkinter.Entry(body, width=40)
             self.ccn.grid(row=1, column=1, sticky=sticky)
-            tkinter.Label(body, text="Output file").grid(row=2)
-            self.keypath = tkinter.Entry(body, width=40)
+            Tkinter.Label(body, text=u"Output file").grid(row=2)
+            self.keypath = Tkinter.Entry(body, width=40)
             self.keypath.grid(row=2, column=1, sticky=sticky)
-            self.keypath.insert(2, "bnepubkey.b64")
-            button = tkinter.Button(body, text="...", command=self.get_keypath)
+            self.keypath.insert(2, u"bnepubkey.b64")
+            button = Tkinter.Button(body, text=u"...", command=self.get_keypath)
             button.grid(row=2, column=2)
-            buttons = tkinter.Frame(self)
+            buttons = Tkinter.Frame(self)
             buttons.pack()
-            botton = tkinter.Button(
-                buttons, text="Generate", width=10, command=self.generate)
-            botton.pack(side=tkinter.constants.LEFT)
-            tkinter.Frame(buttons, width=10).pack(side=tkinter.constants.LEFT)
-            button = tkinter.Button(
-                buttons, text="Quit", width=10, command=self.quit)
-            button.pack(side=tkinter.constants.RIGHT)
+            botton = Tkinter.Button(
+                buttons, text=u"Generate", width=10, command=self.generate)
+            botton.pack(side=Tkconstants.LEFT)
+            Tkinter.Frame(buttons, width=10).pack(side=Tkconstants.LEFT)
+            button = Tkinter.Button(
+                buttons, text=u"Quit", width=10, command=self.quit)
+            button.pack(side=Tkconstants.RIGHT)
 
         def get_keypath(self):
-            keypath = tkinter.filedialog.asksaveasfilename(
-                parent=None, title="Select B&N ePub key file to produce",
-                defaultextension=".b64",
+            keypath = tkFileDialog.asksaveasfilename(
+                parent=None, title=u"Select B&N ePub key file to produce",
+                defaultextension=u".b64",
                 filetypes=[('base64-encoded files', '.b64'),
                            ('All Files', '.*')])
             if keypath:
                 keypath = os.path.normpath(keypath)
-                self.keypath.delete(0, tkinter.constants.END)
+                self.keypath.delete(0, Tkconstants.END)
                 self.keypath.insert(0, keypath)
             return
 
@@ -292,35 +295,35 @@ def gui_main():
             ccn = self.ccn.get()
             keypath = self.keypath.get()
             if not name:
-                self.status['text'] = "Name not specified"
+                self.status['text'] = u"Name not specified"
                 return
             if not ccn:
-                self.status['text'] = "Credit card number not specified"
+                self.status['text'] = u"Credit card number not specified"
                 return
             if not keypath:
-                self.status['text'] = "Output keyfile path not specified"
+                self.status['text'] = u"Output keyfile path not specified"
                 return
-            self.status['text'] = "Generating..."
+            self.status['text'] = u"Generating..."
             try:
                 userkey = generate_key(name, ccn)
-            except Exception as e:
-                self.status['text'] = "Error: (0}".format(e.args[0])
+            except Exception, e:
+                self.status['text'] = u"Error: (0}".format(e.args[0])
                 return
             open(keypath,'wb').write(userkey)
-            self.status['text'] = "Keyfile successfully generated"
+            self.status['text'] = u"Keyfile successfully generated"
 
-    root = tkinter.Tk()
+    root = Tkinter.Tk()
     if AES is None:
         root.withdraw()
-        tkinter.messagebox.showerror(
+        tkMessageBox.showerror(
             "Ignoble EPUB Keyfile Generator",
             "This script requires OpenSSL or PyCrypto, which must be installed "
             "separately.  Read the top-of-script comment for details.")
         return 1
-    root.title("Barnes & Noble ePub Keyfile Generator v.{0}".format(__version__))
+    root.title(u"Barnes & Noble ePub Keyfile Generator v.{0}".format(__version__))
     root.resizable(True, False)
     root.minsize(300, 0)
-    DecryptionDialog(root).pack(fill=tkinter.constants.X, expand=1)
+    DecryptionDialog(root).pack(fill=Tkconstants.X, expand=1)
     root.mainloop()
     return 0
 

DeDRM_plugin/ignoblepdf.py

@@ -1,6 +1,7 @@
-#!/usr/bin/env python3
+#! /usr/bin/python
 # -*- coding: utf-8 -*-
 
+from __future__ import with_statement
 
 # ignoblepdf.py
 # Copyright © 2009-2020 by Apprentice Harper et al.
@@ -13,7 +14,6 @@
 
 # Revision history:
 #  0.1   - Initial alpha testing release 2020 by Pu D. Pud
-#  0.2   - Python 3 for calibre 5.0 (in testing)
 
 
 """
@@ -21,7 +21,7 @@ Decrypts Barnes & Noble encrypted PDF files.
 """
 
 __license__ = 'GPL v3'
-__version__ = "0.2"
+__version__ = "0.1"
 
 import sys
 import os
@@ -43,11 +43,10 @@ class SafeUnbuffered:
         if self.encoding == None:
             self.encoding = "utf-8"
     def write(self, data):
-        if isinstance(data, str):
+        if isinstance(data,unicode):
             data = data.encode(self.encoding,"replace")
-        self.stream.buffer.write(data)
-        self.stream.buffer.flush()
-
+        self.stream.write(data)
+        self.stream.flush()
     def __getattr__(self, attr):
         return getattr(self.stream, attr)
 
@@ -82,11 +81,13 @@ def unicode_argv():
             # Remove Python executable and commands if present
             start = argc.value - len(sys.argv)
             return [argv[i] for i in
-                    range(start, argc.value)]
-        return ["ignoblepdf.py"]
+                    xrange(start, argc.value)]
+        return [u"ignoblepdf.py"]
     else:
-        argvencoding = sys.stdin.encoding or "utf-8"
-        return [arg if isinstance(arg, str) else str(arg, argvencoding) for arg in sys.argv]
+        argvencoding = sys.stdin.encoding
+        if argvencoding == None:
+            argvencoding = "utf-8"
+        return [arg if (type(arg) == unicode) else unicode(arg,argvencoding) for arg in sys.argv]
 
 
 class IGNOBLEError(Exception):
@@ -236,7 +237,10 @@ def _load_crypto():
 ARC4, AES = _load_crypto()
 
 
-from io import BytesIO
+try:
+    from cStringIO import StringIO
+except ImportError:
+    from StringIO import StringIO
 
 
 # Do we generate cross reference streams on output?
@@ -424,7 +428,7 @@ class PSBaseParser(object):
         if not pos:
             pos = self.bufpos+self.charpos
         self.fp.seek(pos)
-        # print('poll(%d): %r' % (pos, self.fp.read(n)), file=sys.stderr)
+        ##print >>sys.stderr, 'poll(%d): %r' % (pos, self.fp.read(n))
         self.fp.seek(pos0)
         return
 
@@ -541,7 +545,7 @@ class PSBaseParser(object):
         except ValueError:
             pass
         return (self.parse_main, j)
-
+        
     def parse_decimal(self, s, i):
         m = END_NUMBER.search(s, i)
         if not m:
@@ -749,7 +753,7 @@ class PSStackParser(PSBaseParser):
         '''
         while not self.results:
             (pos, token) = self.nexttoken()
-            # print((pos, token), (self.curtype, self.curstack))
+            ##print (pos,token), (self.curtype, self.curstack)
             if (isinstance(token, int) or
                     isinstance(token, Decimal) or
                     isinstance(token, bool) or
@@ -774,7 +778,7 @@ class PSStackParser(PSBaseParser):
                 try:
                     (pos, objs) = self.end_type('d')
                     if len(objs) % 2 != 0:
-                        print("Incomplete dictionary construct")
+                        print "Incomplete dictionary construct"
                         objs.append("") # this isn't necessary.
                         # temporary fix. is this due to rental books?
                         # raise PSSyntaxError(
@@ -999,7 +1003,7 @@ class PDFStream(PDFObject):
         if 'Filter' not in self.dic:
             self.data = data
             self.rawdata = None
-            ##print(self.dict)
+            ##print self.dict
             return
         filters = self.dic['Filter']
         if not isinstance(filters, list):
@@ -1009,7 +1013,7 @@ class PDFStream(PDFObject):
                 # will get errors if the document is encrypted.
                 data = zlib.decompress(data)
             elif f in LITERALS_LZW_DECODE:
-                data = ''.join(LZWDecoder(BytesIO(data)).run())
+                data = ''.join(LZWDecoder(StringIO(data)).run())
             elif f in LITERALS_ASCII85_DECODE:
                 data = ascii85decode(data)
             elif f == LITERAL_CRYPT:
@@ -1033,7 +1037,7 @@ class PDFStream(PDFObject):
                     columns = int_value(params['Columns'])
                     buf = ''
                     ent0 = '\x00' * columns
-                    for i in range(0, len(data), columns+1):
+                    for i in xrange(0, len(data), columns+1):
                         pred = data[i]
                         ent1 = data[i+1:i+1+columns]
                         if pred == '\x02':
@@ -1115,7 +1119,7 @@ class PDFXRef(object):
                 (start, nobjs) = map(int, f)
             except ValueError:
                 raise PDFNoValidXRef('Invalid line: %r: line=%r' % (parser, line))
-            for objid in range(start, start+nobjs):
+            for objid in xrange(start, start+nobjs):
                 try:
                     (_, line) = parser.nextline()
                 except PSEOF:
@@ -1167,7 +1171,7 @@ class PDFXRefStream(object):
 
     def objids(self):
         for first, size in self.index:
-            for objid in range(first, first + size):
+            for objid in xrange(first, first + size):
                 yield objid
 
     def load(self, parser, debug=0):
@@ -1376,7 +1380,7 @@ class PDFDocument(object):
             hash.update('ffffffff'.decode('hex'))
         if 5 <= R:
             # 8
-            for _ in range(50):
+            for _ in xrange(50):
                 hash = hashlib.md5(hash.digest()[:length/8])
         key = hash.digest()[:length/8]
         if R == 2:
@@ -1387,7 +1391,7 @@ class PDFDocument(object):
             hash = hashlib.md5(self.PASSWORD_PADDING) # 2
             hash.update(docid[0]) # 3
             x = ARC4.new(key).decrypt(hash.digest()[:16]) # 4
-            for i in range(1,19+1):
+            for i in xrange(1,19+1):
                 k = ''.join( chr(ord(c) ^ i) for c in key )
                 x = ARC4.new(k).decrypt(x)
             u1 = x+x # 32bytes total
@@ -1443,15 +1447,15 @@ class PDFDocument(object):
                 V = ord(bookkey[0])
                 bookkey = bookkey[1:]
             else:
-                print("ebx_V is %d  and ebx_type is %d" % (ebx_V, ebx_type))
-                print("length is %d and len(bookkey) is %d" % (length, len(bookkey)))
-                print("bookkey[0] is %d" % ord(bookkey[0]))
+                print "ebx_V is %d  and ebx_type is %d" % (ebx_V, ebx_type)
+                print "length is %d and len(bookkey) is %d" % (length, len(bookkey))
+                print "bookkey[0] is %d" % ord(bookkey[0])
                 raise IGNOBLEError('error decrypting book session key - mismatched length')
         else:
             # proper length unknown try with whatever you have
-            print("ebx_V is %d  and ebx_type is %d" % (ebx_V, ebx_type))
-            print("length is %d and len(bookkey) is %d" % (length, len(bookkey)))
-            print("bookkey[0] is %d" % ord(bookkey[0]))
+            print "ebx_V is %d  and ebx_type is %d" % (ebx_V, ebx_type)
+            print "length is %d and len(bookkey) is %d" % (length, len(bookkey))
+            print "bookkey[0] is %d" % ord(bookkey[0])
             if ebx_V == 3:
                 V = 3
             else:
@@ -1496,7 +1500,7 @@ class PDFDocument(object):
         plaintext = AES.new(key,AES.MODE_CBC,ivector).decrypt(data)
         # remove pkcs#5 aes padding
         cutter = -1 * ord(plaintext[-1])
-        #print(cutter)
+        #print cutter
         plaintext = plaintext[:cutter]
         return plaintext
 
@@ -1507,7 +1511,7 @@ class PDFDocument(object):
         plaintext = AES.new(key,AES.MODE_CBC,ivector).decrypt(data)
         # remove pkcs#5 aes padding
         cutter = -1 * ord(plaintext[-1])
-        #print(cutter)
+        #print cutter
         plaintext = plaintext[:cutter]
         return plaintext
 
@@ -1775,7 +1779,7 @@ class PDFParser(PSStackParser):
 class PDFObjStrmParser(PDFParser):
 
     def __init__(self, data, doc):
-        PSStackParser.__init__(self, BytesIO(data))
+        PSStackParser.__init__(self, StringIO(data))
         self.doc = doc
         return
 
@@ -1850,7 +1854,7 @@ class PDFSerializer(object):
         if not gen_xref_stm:
             self.write('xref\n')
             self.write('0 %d\n' % (maxobj + 1,))
-            for objid in range(0, maxobj + 1):
+            for objid in xrange(0, maxobj + 1):
                 if objid in xrefs:
                     # force the genno to be 0
                     self.write("%010d 00000 n \n" % xrefs[objid][0])
@@ -2001,20 +2005,20 @@ class PDFSerializer(object):
 
 def decryptBook(userkey, inpath, outpath):
     if AES is None:
-        raise IGNOBLEError("PyCrypto or OpenSSL must be installed.")
+        raise IGNOBLEError(u"PyCrypto or OpenSSL must be installed.")
     with open(inpath, 'rb') as inf:
         #try:
         serializer = PDFSerializer(inf, userkey)
         #except:
-        #    print("Error serializing pdf {0}. Probably wrong key.".format(os.path.basename(inpath)))
+        #    print u"Error serializing pdf {0}. Probably wrong key.".format(os.path.basename(inpath))
         #    return 2
         # hope this will fix the 'bad file descriptor' problem
         with open(outpath, 'wb') as outf:
             # help construct to make sure the method runs to the end
             try:
                 serializer.dump(outf)
-            except Exception as e:
-                print("error writing pdf: {0}".format(e.args[0]))
+            except Exception, e:
+                print u"error writing pdf: {0}".format(e.args[0])
                 return 2
     return 0
 
@@ -2025,91 +2029,91 @@ def cli_main():
     argv=unicode_argv()
     progname = os.path.basename(argv[0])
     if len(argv) != 4:
-        print("usage: {0} <keyfile.b64> <inbook.pdf> <outbook.pdf>".format(progname))
+        print u"usage: {0} <keyfile.b64> <inbook.pdf> <outbook.pdf>".format(progname)
         return 1
     keypath, inpath, outpath = argv[1:]
     userkey = open(keypath,'rb').read()
     result = decryptBook(userkey, inpath, outpath)
     if result == 0:
-        print("Successfully decrypted {0:s} as {1:s}".format(os.path.basename(inpath),os.path.basename(outpath)))
+        print u"Successfully decrypted {0:s} as {1:s}".format(os.path.basename(inpath),os.path.basename(outpath))
     return result
 
 
 def gui_main():
     try:
-        import tkinter
-        import tkinter.constants
-        import tkinter.filedialog
-        import tkinter.messagebox
+        import Tkinter
+        import Tkconstants
+        import tkFileDialog
+        import tkMessageBox
         import traceback
     except:
         return cli_main()
 
-    class DecryptionDialog(tkinter.Frame):
+    class DecryptionDialog(Tkinter.Frame):
         def __init__(self, root):
-            tkinter.Frame.__init__(self, root, border=5)
-            self.status = tkinter.Label(self, text="Select files for decryption")
-            self.status.pack(fill=tkinter.constants.X, expand=1)
-            body = tkinter.Frame(self)
-            body.pack(fill=tkinter.constants.X, expand=1)
-            sticky = tkinter.constants.E + tkinter.constants.W
+            Tkinter.Frame.__init__(self, root, border=5)
+            self.status = Tkinter.Label(self, text=u"Select files for decryption")
+            self.status.pack(fill=Tkconstants.X, expand=1)
+            body = Tkinter.Frame(self)
+            body.pack(fill=Tkconstants.X, expand=1)
+            sticky = Tkconstants.E + Tkconstants.W
             body.grid_columnconfigure(1, weight=2)
-            tkinter.Label(body, text="Key file").grid(row=0)
-            self.keypath = tkinter.Entry(body, width=30)
+            Tkinter.Label(body, text=u"Key file").grid(row=0)
+            self.keypath = Tkinter.Entry(body, width=30)
             self.keypath.grid(row=0, column=1, sticky=sticky)
-            if os.path.exists("bnpdfkey.b64"):
-                self.keypath.insert(0, "bnpdfkey.b64")
-            button = tkinter.Button(body, text="...", command=self.get_keypath)
+            if os.path.exists(u"bnpdfkey.b64"):
+                self.keypath.insert(0, u"bnpdfkey.b64")
+            button = Tkinter.Button(body, text=u"...", command=self.get_keypath)
             button.grid(row=0, column=2)
-            tkinter.Label(body, text="Input file").grid(row=1)
-            self.inpath = tkinter.Entry(body, width=30)
+            Tkinter.Label(body, text=u"Input file").grid(row=1)
+            self.inpath = Tkinter.Entry(body, width=30)
             self.inpath.grid(row=1, column=1, sticky=sticky)
-            button = tkinter.Button(body, text="...", command=self.get_inpath)
+            button = Tkinter.Button(body, text=u"...", command=self.get_inpath)
             button.grid(row=1, column=2)
-            tkinter.Label(body, text="Output file").grid(row=2)
-            self.outpath = tkinter.Entry(body, width=30)
+            Tkinter.Label(body, text=u"Output file").grid(row=2)
+            self.outpath = Tkinter.Entry(body, width=30)
             self.outpath.grid(row=2, column=1, sticky=sticky)
-            button = tkinter.Button(body, text="...", command=self.get_outpath)
+            button = Tkinter.Button(body, text=u"...", command=self.get_outpath)
             button.grid(row=2, column=2)
-            buttons = tkinter.Frame(self)
+            buttons = Tkinter.Frame(self)
             buttons.pack()
-            botton = tkinter.Button(
-                buttons, text="Decrypt", width=10, command=self.decrypt)
-            botton.pack(side=tkinter.constants.LEFT)
-            tkinter.Frame(buttons, width=10).pack(side=tkinter.constants.LEFT)
-            button = tkinter.Button(
-                buttons, text="Quit", width=10, command=self.quit)
-            button.pack(side=tkinter.constants.RIGHT)
+            botton = Tkinter.Button(
+                buttons, text=u"Decrypt", width=10, command=self.decrypt)
+            botton.pack(side=Tkconstants.LEFT)
+            Tkinter.Frame(buttons, width=10).pack(side=Tkconstants.LEFT)
+            button = Tkinter.Button(
+                buttons, text=u"Quit", width=10, command=self.quit)
+            button.pack(side=Tkconstants.RIGHT)
 
         def get_keypath(self):
-            keypath = tkinter.filedialog.askopenfilename(
-                parent=None, title="Select Barnes & Noble \'.b64\' key file",
-                defaultextension=".b64",
+            keypath = tkFileDialog.askopenfilename(
+                parent=None, title=u"Select Barnes & Noble \'.b64\' key file",
+                defaultextension=u".b64",
                 filetypes=[('base64-encoded files', '.b64'),
                            ('All Files', '.*')])
             if keypath:
                 keypath = os.path.normpath(keypath)
-                self.keypath.delete(0, tkinter.constants.END)
+                self.keypath.delete(0, Tkconstants.END)
                 self.keypath.insert(0, keypath)
             return
 
         def get_inpath(self):
-            inpath = tkinter.filedialog.askopenfilename(
-                parent=None, title="Select B&N-encrypted PDF file to decrypt",
-                defaultextension=".pdf", filetypes=[('PDF files', '.pdf')])
+            inpath = tkFileDialog.askopenfilename(
+                parent=None, title=u"Select B&N-encrypted PDF file to decrypt",
+                defaultextension=u".pdf", filetypes=[('PDF files', '.pdf')])
             if inpath:
                 inpath = os.path.normpath(inpath)
-                self.inpath.delete(0, tkinter.constants.END)
+                self.inpath.delete(0, Tkconstants.END)
                 self.inpath.insert(0, inpath)
             return
 
         def get_outpath(self):
-            outpath = tkinter.filedialog.asksaveasfilename(
-                parent=None, title="Select unencrypted PDF file to produce",
-                defaultextension=".pdf", filetypes=[('PDF files', '.pdf')])
+            outpath = tkFileDialog.asksaveasfilename(
+                parent=None, title=u"Select unencrypted PDF file to produce",
+                defaultextension=u".pdf", filetypes=[('PDF files', '.pdf')])
             if outpath:
                 outpath = os.path.normpath(outpath)
-                self.outpath.delete(0, tkinter.constants.END)
+                self.outpath.delete(0, Tkconstants.END)
                 self.outpath.insert(0, outpath)
             return
 
@@ -2118,42 +2122,42 @@ def gui_main():
             inpath = self.inpath.get()
             outpath = self.outpath.get()
             if not keypath or not os.path.exists(keypath):
-                self.status['text'] = "Specified key file does not exist"
+                self.status['text'] = u"Specified key file does not exist"
                 return
             if not inpath or not os.path.exists(inpath):
-                self.status['text'] = "Specified input file does not exist"
+                self.status['text'] = u"Specified input file does not exist"
                 return
             if not outpath:
-                self.status['text'] = "Output file not specified"
+                self.status['text'] = u"Output file not specified"
                 return
             if inpath == outpath:
-                self.status['text'] = "Must have different input and output files"
+                self.status['text'] = u"Must have different input and output files"
                 return
             userkey = open(keypath,'rb').read()
-            self.status['text'] = "Decrypting..."
+            self.status['text'] = u"Decrypting..."
             try:
                 decrypt_status = decryptBook(userkey, inpath, outpath)
-            except Exception as e:
-                self.status['text'] = "Error; {0}".format(e.args[0])
+            except Exception, e:
+                self.status['text'] = u"Error; {0}".format(e.args[0])
                 return
             if decrypt_status == 0:
-                self.status['text'] = "File successfully decrypted"
+                self.status['text'] = u"File successfully decrypted"
             else:
-                self.status['text'] = "The was an error decrypting the file."
+                self.status['text'] = u"The was an error decrypting the file."
 
 
-    root = tkinter.Tk()
+    root = Tkinter.Tk()
     if AES is None:
         root.withdraw()
-        tkinter.messagebox.showerror(
+        tkMessageBox.showerror(
             "IGNOBLE PDF",
             "This script requires OpenSSL or PyCrypto, which must be installed "
             "separately.  Read the top-of-script comment for details.")
         return 1
-    root.title("Barnes & Noble PDF Decrypter v.{0}".format(__version__))
+    root.title(u"Barnes & Noble PDF Decrypter v.{0}".format(__version__))
     root.resizable(True, False)
     root.minsize(370, 0)
-    DecryptionDialog(root).pack(fill=tkinter.constants.X, expand=1)
+    DecryptionDialog(root).pack(fill=Tkconstants.X, expand=1)
     root.mainloop()
     return 0
 

DeDRM_plugin/ineptepub.py

@@ -1,12 +1,19 @@
-#!/usr/bin/env python3
+#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
-# ineptepub.py
-# Copyright © 2009-2020 by i♥cabbages, Apprentice Harper et al.
+from __future__ import with_statement
+from __future__ import absolute_import
+from __future__ import print_function
+
+# ineptepub.pyw, version 6.6
+# Copyright © 2009-2020 by Apprentice Harper et al.
 
 # Released under the terms of the GNU General Public Licence, version 3
 # <http://www.gnu.org/licenses/>
 
+# Original script by i♥cabbages
+# Modified 2010–2013 by some_updates, DiapDealer and Apprentice Alf
+# Modified 2015–2020 by Apprentice Harper et al.
 
 # Revision history:
 #   1 - Initial release
@@ -29,16 +36,17 @@
 #   6.4 - Remove erroneous check on DER file sanity
 #   6.5 - Completely remove erroneous check on DER file sanity
 #   6.6 - Import tkFileDialog, don't assume something else will import it.
-#   7.0 - Add Python 3 compatibility for calibre 5.0
+#   6.7 - Add Python 3 compatibility while still working with Python 2.7
 
 """
 Decrypt Adobe Digital Editions encrypted ePub books.
 """
 
 __license__ = 'GPL v3'
-__version__ = "7.0"
+__version__ = "6.7"
 
-import codecs
+import six
+from six.moves import range
 import sys
 import os
 import traceback
@@ -47,6 +55,7 @@ import zipfile
 from zipfile import ZipInfo, ZipFile, ZIP_STORED, ZIP_DEFLATED
 from contextlib import closing
 import xml.etree.ElementTree as etree
+import base64
 
 # Wrap a stream so that output gets flushed immediately
 # and also make sure that any unicode strings get
@@ -58,11 +67,10 @@ class SafeUnbuffered:
         if self.encoding == None:
             self.encoding = "utf-8"
     def write(self, data):
-        if isinstance(data, str):
+        if isinstance(data,six.text_type):
             data = data.encode(self.encoding,"replace")
-        self.stream.buffer.write(data)
-        self.stream.buffer.flush()
-
+        self.stream.write(data)
+        self.stream.flush()
     def __getattr__(self, attr):
         return getattr(self.stream, attr)
 
@@ -101,10 +109,12 @@ def unicode_argv():
             start = argc.value - len(sys.argv)
             return [argv[i] for i in
                     range(start, argc.value)]
-        return ["ineptepub.py"]
+        return [u"ineptepub.py"]
     else:
-        argvencoding = sys.stdin.encoding or "utf-8"
-        return [arg if isinstance(arg, str) else str(arg, argvencoding) for arg in sys.argv]
+        argvencoding = sys.stdin.encoding
+        if argvencoding == None:
+            argvencoding = "utf-8"
+        return [arg if (type(arg) == six.text_type) else six.text_type(arg,argvencoding) for arg in sys.argv]
 
 
 class ADEPTError(Exception):
@@ -203,7 +213,6 @@ def _load_crypto_libcrypto():
 def _load_crypto_pycrypto():
     from Crypto.Cipher import AES as _AES
     from Crypto.PublicKey import RSA as _RSA
-    from Crypto.Cipher import PKCS1_v1_5 as _PKCS1_v1_5
 
     # ASN.1 parsing code from tlslite
     class ASN1Error(Exception):
@@ -295,14 +304,14 @@ def _load_crypto_pycrypto():
 
     class AES(object):
         def __init__(self, key):
-            self._aes = _AES.new(key, _AES.MODE_CBC, b'\x00'*16)
+            self._aes = _AES.new(key, _AES.MODE_CBC, '\x00'*16)
 
         def decrypt(self, data):
             return self._aes.decrypt(data)
 
     class RSA(object):
         def __init__(self, der):
-            key = ASN1Parser([x for x in der])
+            key = ASN1Parser([ord(x) for x in der])
             key = [key.getChild(x).value for x in range(1, 4)]
             key = [self.bytesToNumber(v) for v in key]
             self._rsa = _RSA.construct(key)
@@ -314,7 +323,7 @@ def _load_crypto_pycrypto():
             return total
 
         def decrypt(self, data):
-            return _PKCS1_v1_5.new(self._rsa).decrypt(data, 172)
+            return self._rsa.decrypt(data)
 
     return (AES, RSA)
 
@@ -391,13 +400,13 @@ def adeptBook(inpath):
 
 def decryptBook(userkey, inpath, outpath):
     if AES is None:
-        raise ADEPTError("PyCrypto or OpenSSL must be installed.")
+        raise ADEPTError(u"PyCrypto or OpenSSL must be installed.")
     rsa = RSA(userkey)
     with closing(ZipFile(open(inpath, 'rb'))) as inf:
         namelist = set(inf.namelist())
         if 'META-INF/rights.xml' not in namelist or \
            'META-INF/encryption.xml' not in namelist:
-            print("{0:s} is DRM-free.".format(os.path.basename(inpath)))
+            print(u"{0:s} is DRM-free.".format(os.path.basename(inpath)))
             return 1
         for name in META_NAMES:
             namelist.remove(name)
@@ -407,18 +416,17 @@ def decryptBook(userkey, inpath, outpath):
             expr = './/%s' % (adept('encryptedKey'),)
             bookkey = ''.join(rights.findtext(expr))
             if len(bookkey) != 172:
-                print("{0:s} is not a secure Adobe Adept ePub.".format(os.path.basename(inpath)))
+                print(u"{0:s} is not a secure Adobe Adept ePub.".format(os.path.basename(inpath)))
                 return 1
-            bookkey = rsa.decrypt(codecs.decode(bookkey.encode('ascii'), 'base64'))
+            bookkey = bookkey.encode('ascii')
+            bookkey = base64.b64decode(bookkey)
+            bookkey = rsa.decrypt(bookkey)
             # Padded as per RSAES-PKCS1-v1_5
-            if len(bookkey) != 16:
-                if bookkey[-17] != '\x00' and bookkey[-17] != 0:
-                    print("Could not decrypt {0:s}. Wrong key".format(os.path.basename(inpath)))
-                    return 2
-                else:
-                    bookkey = bookkey[-16:]
+            if bookkey[-17] != '\x00' and bookkey[-17] != 0:
+                print(u"Could not decrypt {0:s}. Wrong key".format(os.path.basename(inpath)))
+                return 2
             encryption = inf.read('META-INF/encryption.xml')
-            decryptor = Decryptor(bookkey, encryption)
+            decryptor = Decryptor(bookkey[-16:], encryption)
             kwds = dict(compression=ZIP_DEFLATED, allowZip64=False)
             with closing(ZipFile(open(outpath, 'wb'), 'w', **kwds)) as outf:
                 zi = ZipInfo('mimetype')
@@ -456,7 +464,7 @@ def decryptBook(userkey, inpath, outpath):
                         pass
                     outf.writestr(zi, decryptor.decrypt(path, data))
         except:
-            print("Could not decrypt {0:s} because of an exception:\n{1:s}".format(os.path.basename(inpath), traceback.format_exc()))
+            print(u"Could not decrypt {0:s} because of an exception:\n{1:s}".format(os.path.basename(inpath), traceback.format_exc()))
             return 2
     return 0
 
@@ -467,90 +475,90 @@ def cli_main():
     argv=unicode_argv()
     progname = os.path.basename(argv[0])
     if len(argv) != 4:
-        print("usage: {0} <keyfile.der> <inbook.epub> <outbook.epub>".format(progname))
+        print(u"usage: {0} <keyfile.der> <inbook.epub> <outbook.epub>".format(progname))
         return 1
     keypath, inpath, outpath = argv[1:]
     userkey = open(keypath,'rb').read()
     result = decryptBook(userkey, inpath, outpath)
     if result == 0:
-        print("Successfully decrypted {0:s} as {1:s}".format(os.path.basename(inpath),os.path.basename(outpath)))
+        print(u"Successfully decrypted {0:s} as {1:s}".format(os.path.basename(inpath),os.path.basename(outpath)))
     return result
 
 def gui_main():
     try:
-        import tkinter
-        import tkinter.constants
-        import tkinter.filedialog
-        import tkinter.messagebox
+        import six.moves.tkinter
+        import six.moves.tkinter_constants
+        import six.moves.tkinter_filedialog
+        import six.moves.tkinter_messagebox
         import traceback
     except:
         return cli_main()
 
-    class DecryptionDialog(tkinter.Frame):
+    class DecryptionDialog(six.moves.tkinter.Frame):
         def __init__(self, root):
-            tkinter.Frame.__init__(self, root, border=5)
-            self.status = tkinter.Label(self, text="Select files for decryption")
-            self.status.pack(fill=tkinter.constants.X, expand=1)
-            body = tkinter.Frame(self)
-            body.pack(fill=tkinter.constants.X, expand=1)
-            sticky = tkinter.constants.E + tkinter.constants.W
+            six.moves.tkinter.Frame.__init__(self, root, border=5)
+            self.status = six.moves.tkinter.Label(self, text=u"Select files for decryption")
+            self.status.pack(fill=six.moves.tkinter_constants.X, expand=1)
+            body = six.moves.tkinter.Frame(self)
+            body.pack(fill=six.moves.tkinter_constants.X, expand=1)
+            sticky = six.moves.tkinter_constants.E + six.moves.tkinter_constants.W
             body.grid_columnconfigure(1, weight=2)
-            tkinter.Label(body, text="Key file").grid(row=0)
-            self.keypath = tkinter.Entry(body, width=30)
+            six.moves.tkinter.Label(body, text=u"Key file").grid(row=0)
+            self.keypath = six.moves.tkinter.Entry(body, width=30)
             self.keypath.grid(row=0, column=1, sticky=sticky)
-            if os.path.exists("adeptkey.der"):
-                self.keypath.insert(0, "adeptkey.der")
-            button = tkinter.Button(body, text="...", command=self.get_keypath)
+            if os.path.exists(u"adeptkey.der"):
+                self.keypath.insert(0, u"adeptkey.der")
+            button = six.moves.tkinter.Button(body, text=u"...", command=self.get_keypath)
             button.grid(row=0, column=2)
-            tkinter.Label(body, text="Input file").grid(row=1)
-            self.inpath = tkinter.Entry(body, width=30)
+            six.moves.tkinter.Label(body, text=u"Input file").grid(row=1)
+            self.inpath = six.moves.tkinter.Entry(body, width=30)
             self.inpath.grid(row=1, column=1, sticky=sticky)
-            button = tkinter.Button(body, text="...", command=self.get_inpath)
+            button = six.moves.tkinter.Button(body, text=u"...", command=self.get_inpath)
             button.grid(row=1, column=2)
-            tkinter.Label(body, text="Output file").grid(row=2)
-            self.outpath = tkinter.Entry(body, width=30)
+            six.moves.tkinter.Label(body, text=u"Output file").grid(row=2)
+            self.outpath = six.moves.tkinter.Entry(body, width=30)
             self.outpath.grid(row=2, column=1, sticky=sticky)
-            button = tkinter.Button(body, text="...", command=self.get_outpath)
+            button = six.moves.tkinter.Button(body, text=u"...", command=self.get_outpath)
             button.grid(row=2, column=2)
-            buttons = tkinter.Frame(self)
+            buttons = six.moves.tkinter.Frame(self)
             buttons.pack()
-            botton = tkinter.Button(
-                buttons, text="Decrypt", width=10, command=self.decrypt)
-            botton.pack(side=tkinter.constants.LEFT)
-            tkinter.Frame(buttons, width=10).pack(side=tkinter.constants.LEFT)
-            button = tkinter.Button(
-                buttons, text="Quit", width=10, command=self.quit)
-            button.pack(side=tkinter.constants.RIGHT)
+            botton = six.moves.tkinter.Button(
+                buttons, text=u"Decrypt", width=10, command=self.decrypt)
+            botton.pack(side=six.moves.tkinter_constants.LEFT)
+            six.moves.tkinter.Frame(buttons, width=10).pack(side=six.moves.tkinter_constants.LEFT)
+            button = six.moves.tkinter.Button(
+                buttons, text=u"Quit", width=10, command=self.quit)
+            button.pack(side=six.moves.tkinter_constants.RIGHT)
 
         def get_keypath(self):
-            keypath = tkinter.filedialog.askopenfilename(
-                parent=None, title="Select Adobe Adept \'.der\' key file",
-                defaultextension=".der",
+            keypath = six.moves.tkinter_filedialog.askopenfilename(
+                parent=None, title=u"Select Adobe Adept \'.der\' key file",
+                defaultextension=u".der",
                 filetypes=[('Adobe Adept DER-encoded files', '.der'),
                            ('All Files', '.*')])
             if keypath:
                 keypath = os.path.normpath(keypath)
-                self.keypath.delete(0, tkinter.constants.END)
+                self.keypath.delete(0, six.moves.tkinter_constants.END)
                 self.keypath.insert(0, keypath)
             return
 
         def get_inpath(self):
-            inpath = tkinter.filedialog.askopenfilename(
-                parent=None, title="Select ADEPT-encrypted ePub file to decrypt",
-                defaultextension=".epub", filetypes=[('ePub files', '.epub')])
+            inpath = six.moves.tkinter_filedialog.askopenfilename(
+                parent=None, title=u"Select ADEPT-encrypted ePub file to decrypt",
+                defaultextension=u".epub", filetypes=[('ePub files', '.epub')])
             if inpath:
                 inpath = os.path.normpath(inpath)
-                self.inpath.delete(0, tkinter.constants.END)
+                self.inpath.delete(0, six.moves.tkinter_constants.END)
                 self.inpath.insert(0, inpath)
             return
 
         def get_outpath(self):
-            outpath = tkinter.filedialog.asksaveasfilename(
-                parent=None, title="Select unencrypted ePub file to produce",
-                defaultextension=".epub", filetypes=[('ePub files', '.epub')])
+            outpath = six.moves.tkinter_filedialog.asksaveasfilename(
+                parent=None, title=u"Select unencrypted ePub file to produce",
+                defaultextension=u".epub", filetypes=[('ePub files', '.epub')])
             if outpath:
                 outpath = os.path.normpath(outpath)
-                self.outpath.delete(0, tkinter.constants.END)
+                self.outpath.delete(0, six.moves.tkinter_constants.END)
                 self.outpath.insert(0, outpath)
             return
 
@@ -559,34 +567,34 @@ def gui_main():
             inpath = self.inpath.get()
             outpath = self.outpath.get()
             if not keypath or not os.path.exists(keypath):
-                self.status['text'] = "Specified key file does not exist"
+                self.status['text'] = u"Specified key file does not exist"
                 return
             if not inpath or not os.path.exists(inpath):
-                self.status['text'] = "Specified input file does not exist"
+                self.status['text'] = u"Specified input file does not exist"
                 return
             if not outpath:
-                self.status['text'] = "Output file not specified"
+                self.status['text'] = u"Output file not specified"
                 return
             if inpath == outpath:
-                self.status['text'] = "Must have different input and output files"
+                self.status['text'] = u"Must have different input and output files"
                 return
             userkey = open(keypath,'rb').read()
-            self.status['text'] = "Decrypting..."
+            self.status['text'] = u"Decrypting..."
             try:
                 decrypt_status = decryptBook(userkey, inpath, outpath)
             except Exception as e:
-                self.status['text'] = "Error: {0}".format(e.args[0])
+                self.status['text'] = u"Error: {0}".format(e.args[0])
                 return
             if decrypt_status == 0:
-                self.status['text'] = "File successfully decrypted"
+                self.status['text'] = u"File successfully decrypted"
             else:
-                self.status['text'] = "There was an error decrypting the file."
+                self.status['text'] = u"The was an error decrypting the file."
 
-    root = tkinter.Tk()
-    root.title("Adobe Adept ePub Decrypter v.{0}".format(__version__))
+    root = six.moves.tkinter.Tk()
+    root.title(u"Adobe Adept ePub Decrypter v.{0}".format(__version__))
     root.resizable(True, False)
     root.minsize(300, 0)
-    DecryptionDialog(root).pack(fill=tkinter.constants.X, expand=1)
+    DecryptionDialog(root).pack(fill=six.moves.tkinter_constants.X, expand=1)
     root.mainloop()
     return 0
 

DeDRM_plugin/ineptpdf.py

@@ -1,12 +1,16 @@
-#!/usr/bin/env python3
+#! /usr/bin/python
 # -*- coding: utf-8 -*-
 
+from __future__ import with_statement
+
 # ineptpdf.py
-# Copyright © 2009-2020 by i♥cabbages, Apprentice Harper et al.
+# Copyright © 2009-2017 by Apprentice Harper et al.
 
 # Released under the terms of the GNU General Public Licence, version 3
 # <http://www.gnu.org/licenses/>
 
+# Modified 2010–2012 by some_updates, DiapDealer and Apprentice Alf
+# Modified 2015-2017 by Apprentice Harper et al.
 
 # Revision history:
 #   1 - Initial release
@@ -45,14 +49,14 @@
 #   8.0.4 - Completely remove erroneous check on DER file sanity
 #   8.0.5 - Do not process DRM-free documents
 #   8.0.6 - Replace use of float by Decimal for greater precision, and import tkFileDialog
-#   9.0.0 - Add Python 3 compatibility for calibre 5
+
 
 """
 Decrypts Adobe ADEPT-encrypted PDF files.
 """
 
 __license__ = 'GPL v3'
-__version__ = "9.0.0"
+__version__ = "8.0.6"
 
 import sys
 import os
@@ -60,8 +64,8 @@ import re
 import zlib
 import struct
 import hashlib
-from decimal import Decimal
-import itertools
+from decimal import *
+from itertools import chain, islice
 import xml.etree.ElementTree as etree
 
 # Wrap a stream so that output gets flushed immediately
@@ -74,11 +78,10 @@ class SafeUnbuffered:
         if self.encoding == None:
             self.encoding = "utf-8"
     def write(self, data):
-        if isinstance(data, str):
+        if isinstance(data,unicode):
             data = data.encode(self.encoding,"replace")
-        self.stream.buffer.write(data)
-        self.stream.buffer.flush()
-
+        self.stream.write(data)
+        self.stream.flush()
     def __getattr__(self, attr):
         return getattr(self.stream, attr)
 
@@ -113,11 +116,13 @@ def unicode_argv():
             # Remove Python executable and commands if present
             start = argc.value - len(sys.argv)
             return [argv[i] for i in
-                    range(start, argc.value)]
-        return ["ineptpdf.py"]
+                    xrange(start, argc.value)]
+        return [u"ineptpdf.py"]
     else:
-        argvencoding = sys.stdin.encoding or "utf-8"
-        return [arg if isinstance(arg, str) else str(arg, argvencoding) for arg in sys.argv]
+        argvencoding = sys.stdin.encoding
+        if argvencoding == None:
+            argvencoding = "utf-8"
+        return [arg if (type(arg) == unicode) else unicode(arg,argvencoding) for arg in sys.argv]
 
 
 class ADEPTError(Exception):
@@ -373,12 +378,12 @@ def _load_crypto_pycrypto():
     class RSA(object):
         def __init__(self, der):
             key = ASN1Parser([ord(x) for x in der])
-            key = [key.getChild(x).value for x in range(1, 4)]
+            key = [key.getChild(x).value for x in xrange(1, 4)]
             key = [self.bytesToNumber(v) for v in key]
             self._rsa = _RSA.construct(key)
 
         def bytesToNumber(self, bytes):
-            total = 0
+            total = 0L
             for byte in bytes:
                 total = (total << 8) + byte
             return total
@@ -403,7 +408,10 @@ def _load_crypto():
 ARC4, RSA, AES = _load_crypto()
 
 
-from io import BytesIO
+try:
+    from cStringIO import StringIO
+except ImportError:
+    from StringIO import StringIO
 
 
 # Do we generate cross reference streams on output?
@@ -479,9 +487,9 @@ class PSLiteral(PSObject):
         name = []
         for char in self.name:
             if not char.isalnum():
-                char = b'#%02x' % ord(char)
+                char = '#%02x' % ord(char)
             name.append(char)
-        return b'/%s' % ''.join(name)
+        return '/%s' % ''.join(name)
 
 # PSKeyword
 class PSKeyword(PSObject):
@@ -708,7 +716,7 @@ class PSBaseParser(object):
         except ValueError:
             pass
         return (self.parse_main, j)
-
+        
     def parse_decimal(self, s, i):
         m = END_NUMBER.search(s, i)
         if not m:
@@ -941,7 +949,7 @@ class PSStackParser(PSBaseParser):
                 try:
                     (pos, objs) = self.end_type('d')
                     if len(objs) % 2 != 0:
-                        print("Incomplete dictionary construct")
+                        print "Incomplete dictionary construct"
                         objs.append("") # this isn't necessary.
                         # temporary fix. is this due to rental books?
                         # raise PSSyntaxError(
@@ -1098,18 +1106,18 @@ def stream_value(x):
 # ascii85decode(data)
 def ascii85decode(data):
     n = b = 0
-    out = b''
+    out = ''
     for c in data:
-        if b'!' <= c and c <= b'u':
+        if '!' <= c and c <= 'u':
             n += 1
-            b = b*85+(c-33)
+            b = b*85+(ord(c)-33)
             if n == 5:
                 out += struct.pack('>L',b)
                 n = b = 0
-        elif c == b'z':
+        elif c == 'z':
             assert n == 0
-            out += b'\0\0\0\0'
-        elif c == b'~':
+            out += '\0\0\0\0'
+        elif c == '~':
             if n:
                 for _ in range(5-n):
                     b = b*85+84
@@ -1130,7 +1138,7 @@ class PDFStream(PDFObject):
                 cutdiv = len(rawdata) // 16
                 rawdata = rawdata[:16*cutdiv]
         else:
-            if eol in (b'\r', b'\n', b'\r\n'):
+            if eol in ('\r', '\n', '\r\n'):
                 rawdata = rawdata[:length]
 
         self.dic = dic
@@ -1176,7 +1184,7 @@ class PDFStream(PDFObject):
                 # will get errors if the document is encrypted.
                 data = zlib.decompress(data)
             elif f in LITERALS_LZW_DECODE:
-                data = ''.join(LZWDecoder(BytesIO(data)).run())
+                data = ''.join(LZWDecoder(StringIO(data)).run())
             elif f in LITERALS_ASCII85_DECODE:
                 data = ascii85decode(data)
             elif f == LITERAL_CRYPT:
@@ -1198,14 +1206,14 @@ class PDFStream(PDFObject):
                         raise PDFValueError(
                             'Columns undefined for predictor=12')
                     columns = int_value(params['Columns'])
-                    buf = b''
-                    ent0 = b'\x00' * columns
-                    for i in range(0, len(data), columns+1):
+                    buf = ''
+                    ent0 = '\x00' * columns
+                    for i in xrange(0, len(data), columns+1):
                         pred = data[i]
                         ent1 = data[i+1:i+1+columns]
-                        if pred == b'\x02':
-                            ent1 = ''.join(bytes([(a+b) & 255]) \
-                                           for (a,b) in zip(ent0,ent1))
+                        if pred == '\x02':
+                            ent1 = ''.join(chr((ord(a)+ord(b)) & 255) \
+                                               for (a,b) in zip(ent0,ent1))
                         buf += ent1
                         ent0 = ent1
                     data = buf
@@ -1282,7 +1290,7 @@ class PDFXRef(object):
                 (start, nobjs) = map(int, f)
             except ValueError:
                 raise PDFNoValidXRef('Invalid line: %r: line=%r' % (parser, line))
-            for objid in range(start, start+nobjs):
+            for objid in xrange(start, start+nobjs):
                 try:
                     (_, line) = parser.nextline()
                 except PSEOF:
@@ -1334,7 +1342,7 @@ class PDFXRefStream(object):
 
     def objids(self):
         for first, size in self.index:
-            for objid in range(first, first + size):
+            for objid in xrange(first, first + size):
                 yield objid
 
     def load(self, parser, debug=0):
@@ -1347,8 +1355,8 @@ class PDFXRefStream(object):
             raise PDFNoValidXRef('Invalid PDF stream spec.')
         size = stream.dic['Size']
         index = stream.dic.get('Index', (0,size))
-        self.index = zip(itertools.islice(index, 0, None, 2),
-                         itertools.islice(index, 1, None, 2))
+        self.index = zip(islice(index, 0, None, 2),
+                         islice(index, 1, None, 2))
         (self.fl1, self.fl2, self.fl3) = stream.dic['W']
         self.data = stream.get_data()
         self.entlen = self.fl1+self.fl2+self.fl3
@@ -1498,10 +1506,10 @@ class PDFDocument(object):
         if plaintext[-16:] != 16 * chr(16):
             raise ADEPTError('Offlinekey cannot be decrypted, aborting ...')
         pdrlpol = AES.new(plaintext[16:32],AES.MODE_CBC,edclist[2].decode('base64')).decrypt(pdrlpol)
-        if pdrlpol[-1] < 1 or pdrlpol[-1] > 16:
+        if ord(pdrlpol[-1]) < 1 or ord(pdrlpol[-1]) > 16:
             raise ADEPTError('Could not decrypt PDRLPol, aborting ...')
         else:
-            cutter = -1 * pdrlpol[-1]
+            cutter = -1 * ord(pdrlpol[-1])
             pdrlpol = pdrlpol[:cutter]
         return plaintext[:16]
 
@@ -1543,7 +1551,7 @@ class PDFDocument(object):
             hash.update('ffffffff'.decode('hex'))
         if 5 <= R:
             # 8
-            for _ in range(50):
+            for _ in xrange(50):
                 hash = hashlib.md5(hash.digest()[:length/8])
         key = hash.digest()[:length/8]
         if R == 2:
@@ -1554,8 +1562,8 @@ class PDFDocument(object):
             hash = hashlib.md5(self.PASSWORD_PADDING) # 2
             hash.update(docid[0]) # 3
             x = ARC4.new(key).decrypt(hash.digest()[:16]) # 4
-            for i in range(1,19+1):
-                k = ''.join(bytes([c ^ i]) for c in key )
+            for i in xrange(1,19+1):
+                k = ''.join( chr(ord(c) ^ i) for c in key )
                 x = ARC4.new(k).decrypt(x)
             u1 = x+x # 32bytes total
         if R == 2:
@@ -1577,9 +1585,9 @@ class PDFDocument(object):
         if V != 4:
             self.decipher = self.decipher_rc4  # XXX may be AES
         # aes
-        elif V == 4 and length == 128:
-            self.decipher = self.decipher_aes
-        elif V == 4 and length == 256:
+        elif V == 4 and Length == 128:
+            elf.decipher = self.decipher_aes
+        elif V == 4 and Length == 256:
             raise PDFNotImplementedError('AES256 encryption is currently unsupported')
         self.ready = True
         return
@@ -1608,18 +1616,18 @@ class PDFDocument(object):
                 else:
                     V = 2
             elif len(bookkey) == length + 1:
-                V = bookkey[0]
+                V = ord(bookkey[0])
                 bookkey = bookkey[1:]
             else:
-                print("ebx_V is %d  and ebx_type is %d" % (ebx_V, ebx_type))
-                print("length is %d and len(bookkey) is %d" % (length, len(bookkey)))
-                print("bookkey[0] is %d" % bookkey[0])
+                print "ebx_V is %d  and ebx_type is %d" % (ebx_V, ebx_type)
+                print "length is %d and len(bookkey) is %d" % (length, len(bookkey))
+                print "bookkey[0] is %d" % ord(bookkey[0])
                 raise ADEPTError('error decrypting book session key - mismatched length')
         else:
             # proper length unknown try with whatever you have
-            print("ebx_V is %d  and ebx_type is %d" % (ebx_V, ebx_type))
-            print("length is %d and len(bookkey) is %d" % (length, len(bookkey)))
-            print("bookkey[0] is %d" % bookkey[0])
+            print "ebx_V is %d  and ebx_type is %d" % (ebx_V, ebx_type)
+            print "length is %d and len(bookkey) is %d" % (length, len(bookkey))
+            print "bookkey[0] is %d" % ord(bookkey[0])
             if ebx_V == 3:
                 V = 3
             else:
@@ -1663,7 +1671,7 @@ class PDFDocument(object):
         data = data[16:]
         plaintext = AES.new(key,AES.MODE_CBC,ivector).decrypt(data)
         # remove pkcs#5 aes padding
-        cutter = -1 * plaintext[-1]
+        cutter = -1 * ord(plaintext[-1])
         #print cutter
         plaintext = plaintext[:cutter]
         return plaintext
@@ -1674,7 +1682,7 @@ class PDFDocument(object):
         data = data[16:]
         plaintext = AES.new(key,AES.MODE_CBC,ivector).decrypt(data)
         # remove pkcs#5 aes padding
-        cutter = -1 * plaintext[-1]
+        cutter = -1 * ord(plaintext[-1])
         #print cutter
         plaintext = plaintext[:cutter]
         return plaintext
@@ -1943,7 +1951,7 @@ class PDFParser(PSStackParser):
 class PDFObjStrmParser(PDFParser):
 
     def __init__(self, data, doc):
-        PSStackParser.__init__(self, BytesIO(data))
+        PSStackParser.__init__(self, StringIO(data))
         self.doc = doc
         return
 
@@ -2018,7 +2026,7 @@ class PDFSerializer(object):
         if not gen_xref_stm:
             self.write('xref\n')
             self.write('0 %d\n' % (maxobj + 1,))
-            for objid in range(0, maxobj + 1):
+            for objid in xrange(0, maxobj + 1):
                 if objid in xrefs:
                     # force the genno to be 0
                     self.write("%010d 00000 n \n" % xrefs[objid][0])
@@ -2127,7 +2135,7 @@ class PDFSerializer(object):
             if self.last.isalnum():
                 self.write(' ')
             self.write(str(obj).lower())
-        elif isinstance(obj, int):
+        elif isinstance(obj, (int, long)):
             if self.last.isalnum():
                 self.write(' ')
             self.write(str(obj))
@@ -2169,20 +2177,20 @@ class PDFSerializer(object):
 
 def decryptBook(userkey, inpath, outpath):
     if RSA is None:
-        raise ADEPTError("PyCrypto or OpenSSL must be installed.")
+        raise ADEPTError(u"PyCrypto or OpenSSL must be installed.")
     with open(inpath, 'rb') as inf:
         #try:
         serializer = PDFSerializer(inf, userkey)
         #except:
-        #    print "Error serializing pdf {0}. Probably wrong key.".format(os.path.basename(inpath))
+        #    print u"Error serializing pdf {0}. Probably wrong key.".format(os.path.basename(inpath))
         #    return 2
         # hope this will fix the 'bad file descriptor' problem
         with open(outpath, 'wb') as outf:
             # help construct to make sure the method runs to the end
             try:
                 serializer.dump(outf)
-            except Exception as e:
-                print("error writing pdf: {0}".format(e.args[0]))
+            except Exception, e:
+                print u"error writing pdf: {0}".format(e.args[0])
                 return 2
     return 0
 
@@ -2193,91 +2201,91 @@ def cli_main():
     argv=unicode_argv()
     progname = os.path.basename(argv[0])
     if len(argv) != 4:
-        print("usage: {0} <keyfile.der> <inbook.pdf> <outbook.pdf>".format(progname))
+        print u"usage: {0} <keyfile.der> <inbook.pdf> <outbook.pdf>".format(progname)
         return 1
     keypath, inpath, outpath = argv[1:]
     userkey = open(keypath,'rb').read()
     result = decryptBook(userkey, inpath, outpath)
     if result == 0:
-        print("Successfully decrypted {0:s} as {1:s}".format(os.path.basename(inpath),os.path.basename(outpath)))
+        print u"Successfully decrypted {0:s} as {1:s}".format(os.path.basename(inpath),os.path.basename(outpath))
     return result
 
 
 def gui_main():
     try:
-        import tkinter
-        import tkinter.constants
-        import tkinter.filedialog
-        import tkinter.messagebox
+        import Tkinter
+        import Tkconstants
+        import tkFileDialog
+        import tkMessageBox
         import traceback
     except:
         return cli_main()
 
-    class DecryptionDialog(tkinter.Frame):
+    class DecryptionDialog(Tkinter.Frame):
         def __init__(self, root):
-            tkinter.Frame.__init__(self, root, border=5)
-            self.status = tkinter.Label(self, text="Select files for decryption")
-            self.status.pack(fill=tkinter.constants.X, expand=1)
-            body = tkinter.Frame(self)
-            body.pack(fill=tkinter.constants.X, expand=1)
-            sticky = tkinter.constants.E + tkinter.constants.W
+            Tkinter.Frame.__init__(self, root, border=5)
+            self.status = Tkinter.Label(self, text=u"Select files for decryption")
+            self.status.pack(fill=Tkconstants.X, expand=1)
+            body = Tkinter.Frame(self)
+            body.pack(fill=Tkconstants.X, expand=1)
+            sticky = Tkconstants.E + Tkconstants.W
             body.grid_columnconfigure(1, weight=2)
-            tkinter.Label(body, text="Key file").grid(row=0)
-            self.keypath = tkinter.Entry(body, width=30)
+            Tkinter.Label(body, text=u"Key file").grid(row=0)
+            self.keypath = Tkinter.Entry(body, width=30)
             self.keypath.grid(row=0, column=1, sticky=sticky)
-            if os.path.exists("adeptkey.der"):
-                self.keypath.insert(0, "adeptkey.der")
-            button = tkinter.Button(body, text="...", command=self.get_keypath)
+            if os.path.exists(u"adeptkey.der"):
+                self.keypath.insert(0, u"adeptkey.der")
+            button = Tkinter.Button(body, text=u"...", command=self.get_keypath)
             button.grid(row=0, column=2)
-            tkinter.Label(body, text="Input file").grid(row=1)
-            self.inpath = tkinter.Entry(body, width=30)
+            Tkinter.Label(body, text=u"Input file").grid(row=1)
+            self.inpath = Tkinter.Entry(body, width=30)
             self.inpath.grid(row=1, column=1, sticky=sticky)
-            button = tkinter.Button(body, text="...", command=self.get_inpath)
+            button = Tkinter.Button(body, text=u"...", command=self.get_inpath)
             button.grid(row=1, column=2)
-            tkinter.Label(body, text="Output file").grid(row=2)
-            self.outpath = tkinter.Entry(body, width=30)
+            Tkinter.Label(body, text=u"Output file").grid(row=2)
+            self.outpath = Tkinter.Entry(body, width=30)
             self.outpath.grid(row=2, column=1, sticky=sticky)
-            button = tkinter.Button(body, text="...", command=self.get_outpath)
+            button = Tkinter.Button(body, text=u"...", command=self.get_outpath)
             button.grid(row=2, column=2)
-            buttons = tkinter.Frame(self)
+            buttons = Tkinter.Frame(self)
             buttons.pack()
-            botton = tkinter.Button(
-                buttons, text="Decrypt", width=10, command=self.decrypt)
-            botton.pack(side=tkinter.constants.LEFT)
-            tkinter.Frame(buttons, width=10).pack(side=tkinter.constants.LEFT)
-            button = tkinter.Button(
-                buttons, text="Quit", width=10, command=self.quit)
-            button.pack(side=tkinter.constants.RIGHT)
+            botton = Tkinter.Button(
+                buttons, text=u"Decrypt", width=10, command=self.decrypt)
+            botton.pack(side=Tkconstants.LEFT)
+            Tkinter.Frame(buttons, width=10).pack(side=Tkconstants.LEFT)
+            button = Tkinter.Button(
+                buttons, text=u"Quit", width=10, command=self.quit)
+            button.pack(side=Tkconstants.RIGHT)
 
         def get_keypath(self):
-            keypath = tkinter.filedialog.askopenfilename(
-                parent=None, title="Select Adobe Adept \'.der\' key file",
-                defaultextension=".der",
+            keypath = tkFileDialog.askopenfilename(
+                parent=None, title=u"Select Adobe Adept \'.der\' key file",
+                defaultextension=u".der",
                 filetypes=[('Adobe Adept DER-encoded files', '.der'),
                            ('All Files', '.*')])
             if keypath:
                 keypath = os.path.normpath(keypath)
-                self.keypath.delete(0, tkinter.constants.END)
+                self.keypath.delete(0, Tkconstants.END)
                 self.keypath.insert(0, keypath)
             return
 
         def get_inpath(self):
-            inpath = tkinter.filedialog.askopenfilename(
-                parent=None, title="Select ADEPT-encrypted PDF file to decrypt",
-                defaultextension=".pdf", filetypes=[('PDF files', '.pdf')])
+            inpath = tkFileDialog.askopenfilename(
+                parent=None, title=u"Select ADEPT-encrypted PDF file to decrypt",
+                defaultextension=u".pdf", filetypes=[('PDF files', '.pdf')])
             if inpath:
                 inpath = os.path.normpath(inpath)
-                self.inpath.delete(0, tkinter.constants.END)
+                self.inpath.delete(0, Tkconstants.END)
                 self.inpath.insert(0, inpath)
             return
 
         def get_outpath(self):
-            outpath = tkinter.filedialog.asksaveasfilename(
-                parent=None, title="Select unencrypted PDF file to produce",
-                defaultextension=".pdf", filetypes=[('PDF files', '.pdf')])
+            outpath = tkFileDialog.asksaveasfilename(
+                parent=None, title=u"Select unencrypted PDF file to produce",
+                defaultextension=u".pdf", filetypes=[('PDF files', '.pdf')])
             if outpath:
                 outpath = os.path.normpath(outpath)
-                self.outpath.delete(0, tkinter.constants.END)
+                self.outpath.delete(0, Tkconstants.END)
                 self.outpath.insert(0, outpath)
             return
 
@@ -2286,42 +2294,42 @@ def gui_main():
             inpath = self.inpath.get()
             outpath = self.outpath.get()
             if not keypath or not os.path.exists(keypath):
-                self.status['text'] = "Specified key file does not exist"
+                self.status['text'] = u"Specified key file does not exist"
                 return
             if not inpath or not os.path.exists(inpath):
-                self.status['text'] = "Specified input file does not exist"
+                self.status['text'] = u"Specified input file does not exist"
                 return
             if not outpath:
-                self.status['text'] = "Output file not specified"
+                self.status['text'] = u"Output file not specified"
                 return
             if inpath == outpath:
-                self.status['text'] = "Must have different input and output files"
+                self.status['text'] = u"Must have different input and output files"
                 return
             userkey = open(keypath,'rb').read()
-            self.status['text'] = "Decrypting..."
+            self.status['text'] = u"Decrypting..."
             try:
                 decrypt_status = decryptBook(userkey, inpath, outpath)
-            except Exception as e:
-                self.status['text'] = "Error; {0}".format(e.args[0])
+            except Exception, e:
+                self.status['text'] = u"Error; {0}".format(e.args[0])
                 return
             if decrypt_status == 0:
-                self.status['text'] = "File successfully decrypted"
+                self.status['text'] = u"File successfully decrypted"
             else:
-                self.status['text'] = "The was an error decrypting the file."
+                self.status['text'] = u"The was an error decrypting the file."
 
 
-    root = tkinter.Tk()
+    root = Tkinter.Tk()
     if RSA is None:
         root.withdraw()
-        tkinter.messagebox.showerror(
+        tkMessageBox.showerror(
             "INEPT PDF",
             "This script requires OpenSSL or PyCrypto, which must be installed "
             "separately.  Read the top-of-script comment for details.")
         return 1
-    root.title("Adobe Adept PDF Decrypter v.{0}".format(__version__))
+    root.title(u"Adobe Adept PDF Decrypter v.{0}".format(__version__))
     root.resizable(True, False)
     root.minsize(370, 0)
-    DecryptionDialog(root).pack(fill=tkinter.constants.X, expand=1)
+    DecryptionDialog(root).pack(fill=Tkconstants.X, expand=1)
     root.mainloop()
     return 0
 

DeDRM_plugin/ion.py

@@ -1,11 +1,13 @@
-#!/usr/bin/env python3
+#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
+from __future__ import with_statement
+
 # ion.py
 # Copyright © 2013-2020 Apprentice Harper et al.
 
 __license__ = 'GPL v3'
-__version__ = '3.0'
+__version__ = '2.0'
 
 # Revision history:
 #  Pascal implementation by lulzkabulz.
@@ -15,7 +17,7 @@ __version__ = '3.0'
 #  1.2   - Added pylzma import fallback
 #  1.3   - Fixed lzma support for calibre 4.6+
 #  2.0   - VoucherEnvelope v2/v3 support by apprenticesakuya.
-#  3.0   - Added Python 3 compatibility for calibre 5.0
+
 
 """
 Decrypt Kindle KFX files.
@@ -28,7 +30,10 @@ import os
 import os.path
 import struct
 
-from io import BytesIO
+try:
+    from cStringIO import StringIO
+except ImportError:
+    from StringIO import StringIO
 
 from Crypto.Cipher import AES
 from Crypto.Util.py3compat import bchr, bord
@@ -832,7 +837,7 @@ class DrmIonVoucher(object):
         b = aes.decrypt(self.ciphertext)
         b = pkcs7unpad(b, 16)
 
-        self.drmkey = BinaryIonParser(BytesIO(b))
+        self.drmkey = BinaryIonParser(StringIO(b))
         addprottable(self.drmkey)
 
         _assert(self.drmkey.hasnext() and self.drmkey.next() == TID_LIST and self.drmkey.gettypename() == "com.amazon.drm.KeySet@1.0",
@@ -871,7 +876,7 @@ class DrmIonVoucher(object):
             self.envelope.next()
             field = self.envelope.getfieldname()
             if field == "voucher":
-                self.voucher = BinaryIonParser(BytesIO(self.envelope.lobvalue()))
+                self.voucher = BinaryIonParser(StringIO(self.envelope.lobvalue()))
                 addprottable(self.voucher)
                 continue
             elif field != "strategy":

DeDRM_plugin/k4mobidedrm.py

@@ -1,11 +1,13 @@
-#!/usr/bin/env python3
+#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
+from __future__ import with_statement
+
 # k4mobidedrm.py
-# Copyright © 2008-2020 by Apprentice Harper et al.
+# Copyright © 2008-2019 by Apprentice Harper et al.
 
 __license__ = 'GPL v3'
-__version__ = '6.0'
+__version__ = '5.7'
 
 # Engine to remove drm from Kindle and Mobipocket ebooks
 # for personal use for archiving and converting your ebooks
@@ -60,8 +62,6 @@ __version__ = '6.0'
 #  5.5 - Added GPL v3 licence explicitly.
 #  5.6 - Invoke KFXZipBook to handle zipped KFX files
 #  5.7 - Revamp cleanup_name
-#  6.0 - Added Python 3 compatibility for calibre 5.0
-
 
 import sys, os, re
 import csv
@@ -69,7 +69,7 @@ import getopt
 import re
 import traceback
 import time
-import html.entities
+import htmlentitydefs
 import json
 
 class DrmException(Exception):
@@ -103,11 +103,10 @@ class SafeUnbuffered:
         if self.encoding == None:
             self.encoding = "utf-8"
     def write(self, data):
-        if isinstance(data, str):
+        if isinstance(data,unicode):
             data = data.encode(self.encoding,"replace")
-        self.stream.buffer.write(data)
-        self.stream.buffer.flush()
-
+        self.stream.write(data)
+        self.stream.flush()
     def __getattr__(self, attr):
         return getattr(self.stream, attr)
 
@@ -142,13 +141,15 @@ def unicode_argv():
             # Remove Python executable and commands if present
             start = argc.value - len(sys.argv)
             return [argv[i] for i in
-                    range(start, argc.value)]
+                    xrange(start, argc.value)]
         # if we don't have any arguments at all, just pass back script name
         # this should never happen
-        return ["mobidedrm.py"]
+        return [u"mobidedrm.py"]
     else:
-        argvencoding = sys.stdin.encoding or "utf-8"
-        return [arg if isinstance(arg, str) else str(arg, argvencoding) for arg in sys.argv]
+        argvencoding = sys.stdin.encoding
+        if argvencoding == None:
+            argvencoding = "utf-8"
+        return [arg if (type(arg) == unicode) else unicode(arg,argvencoding) for arg in sys.argv]
 
 # cleanup unicode filenames
 # borrowed from calibre from calibre/src/calibre/__init__.py
@@ -158,60 +159,60 @@ def unicode_argv():
 # and some improvements suggested by jhaisley
 def cleanup_name(name):
     # substitute filename unfriendly characters
-    name = name.replace("<","[").replace(">","]").replace(" : "," – ").replace(": "," – ").replace(":","—").replace("/","_").replace("\\","_").replace("|","_").replace("\"","\'").replace("*","_").replace("?","")
+    name = name.replace(u"<",u"[").replace(u">",u"]").replace(u" : ",u" – ").replace(u": ",u" – ").replace(u":",u"—").replace(u"/",u"_").replace(u"\\",u"_").replace(u"|",u"_").replace(u"\"",u"\'").replace(u"*",u"_").replace(u"?",u"")
     # white space to single space, delete leading and trailing while space
-    name = re.sub(r"\s", " ", name).strip()
+    name = re.sub(ur"\s", u" ", name).strip()
     # delete control characters
-    name = "".join(char for char in name if ord(char)>=32)
+    name = u"".join(char for char in name if ord(char)>=32)
     # delete non-ascii characters
-    name = "".join(char for char in name if ord(char)<=126)
+    name = u"".join(char for char in name if ord(char)<=126)
     # remove leading dots
-    while len(name)>0 and name[0] == ".":
+    while len(name)>0 and name[0] == u".":
         name = name[1:]
     # remove trailing dots (Windows doesn't like them)
-    while name.endswith("."):
+    while name.endswith(u'.'):
         name = name[:-1]
     if len(name)==0:
-        name="DecryptedBook"
+        name=u"DecryptedBook"
     return name
 
 # must be passed unicode
 def unescape(text):
     def fixup(m):
         text = m.group(0)
-        if text[:2] == "&#":
+        if text[:2] == u"&#":
             # character reference
             try:
-                if text[:3] == "&#x":
-                    return chr(int(text[3:-1], 16))
+                if text[:3] == u"&#x":
+                    return unichr(int(text[3:-1], 16))
                 else:
-                    return chr(int(text[2:-1]))
+                    return unichr(int(text[2:-1]))
             except ValueError:
                 pass
         else:
             # named entity
             try:
-                text = chr(htmlentitydefs.name2codepoint[text[1:-1]])
+                text = unichr(htmlentitydefs.name2codepoint[text[1:-1]])
             except KeyError:
                 pass
         return text # leave as is
-    return re.sub("&#?\\w+;", fixup, text)
+    return re.sub(u"&#?\w+;", fixup, text)
 
 def GetDecryptedBook(infile, kDatabases, androidFiles, serials, pids, starttime = time.time()):
     # handle the obvious cases at the beginning
     if not os.path.isfile(infile):
-        raise DrmException("Input file does not exist.")
+        raise DrmException(u"Input file does not exist.")
 
     mobi = True
     magic8 = open(infile,'rb').read(8)
-    if magic8 == b'\xeaDRMION\xee':
-        raise DrmException("The .kfx DRMION file cannot be decrypted by itself. A .kfx-zip archive containing a DRM voucher is required.")
+    if magic8 == '\xeaDRMION\xee':
+        raise DrmException(u"The .kfx DRMION file cannot be decrypted by itself. A .kfx-zip archive containing a DRM voucher is required.")
 
     magic3 = magic8[:3]
-    if magic3 == b'TPZ':
+    if magic3 == 'TPZ':
         mobi = False
 
-    if magic8[:4] == b'PK\x03\x04':
+    if magic8[:4] == 'PK\x03\x04':
         mb = kfxdedrm.KFXZipBook(infile)
     elif mobi:
         mb = mobidedrm.MobiBook(infile)
@@ -219,7 +220,7 @@ def GetDecryptedBook(infile, kDatabases, androidFiles, serials, pids, starttime
         mb = topazextract.TopazBook(infile)
 
     bookname = unescape(mb.getBookTitle())
-    print("Decrypting {1} ebook: {0}".format(bookname, mb.getBookType()))
+    print u"Decrypting {1} ebook: {0}".format(bookname, mb.getBookType())
 
     # copy list of pids
     totalpids = list(pids)
@@ -231,7 +232,7 @@ def GetDecryptedBook(infile, kDatabases, androidFiles, serials, pids, starttime
     totalpids.extend(kgenpids.getPidList(md1, md2, serials, kDatabases))
     # remove any duplicates
     totalpids = list(set(totalpids))
-    print("Found {1:d} keys to try after {0:.1f} seconds".format(time.time()-starttime, len(totalpids)))
+    print u"Found {1:d} keys to try after {0:.1f} seconds".format(time.time()-starttime, len(totalpids))
     #print totalpids
 
     try:
@@ -240,7 +241,7 @@ def GetDecryptedBook(infile, kDatabases, androidFiles, serials, pids, starttime
         mb.cleanup
         raise
 
-    print("Decryption succeeded after {0:.1f} seconds".format(time.time()-starttime))
+    print u"Decryption succeeded after {0:.1f} seconds".format(time.time()-starttime)
     return mb
 
 
@@ -254,16 +255,16 @@ def decryptBook(infile, outdir, kDatabaseFiles, androidFiles, serials, pids):
             with open(dbfile, 'r') as keyfilein:
                 kindleDatabase = json.loads(keyfilein.read())
             kDatabases.append([dbfile,kindleDatabase])
-        except Exception as e:
-            print("Error getting database from file {0:s}: {1:s}".format(dbfile,e))
+        except Exception, e:
+            print u"Error getting database from file {0:s}: {1:s}".format(dbfile,e)
             traceback.print_exc()
 
 
 
     try:
         book = GetDecryptedBook(infile, kDatabases, androidFiles, serials, pids, starttime)
-    except Exception as e:
-        print("Error decrypting book after {1:.1f} seconds: {0}".format(e.args[0],time.time()-starttime))
+    except Exception, e:
+        print u"Error decrypting book after {1:.1f} seconds: {0}".format(e.args[0],time.time()-starttime)
         traceback.print_exc()
         return 1
 
@@ -274,7 +275,7 @@ def decryptBook(infile, outdir, kDatabaseFiles, androidFiles, serials, pids):
         re.match('^{0-9A-F-}{36}$', orig_fn_root)
     ):  # Kindle for PC / Mac / Android / Fire / iOS
         clean_title = cleanup_name(book.getBookTitle())
-        outfilename = "{}_{}".format(orig_fn_root, clean_title)
+        outfilename = u'{}_{}'.format(orig_fn_root, clean_title)
     else:  # E Ink Kindle, which already uses a reasonable name
         outfilename = orig_fn_root
 
@@ -282,16 +283,16 @@ def decryptBook(infile, outdir, kDatabaseFiles, androidFiles, serials, pids):
     if len(outfilename)>150:
         outfilename = outfilename[:99]+"--"+outfilename[-49:]
 
-    outfilename = outfilename+"_nodrm"
+    outfilename = outfilename+u"_nodrm"
     outfile = os.path.join(outdir, outfilename + book.getBookExtension())
 
     book.getFile(outfile)
-    print("Saved decrypted book {1:s} after {0:.1f} seconds".format(time.time()-starttime, outfilename))
+    print u"Saved decrypted book {1:s} after {0:.1f} seconds".format(time.time()-starttime, outfilename)
 
-    if book.getBookType()=="Topaz":
-        zipname = os.path.join(outdir, outfilename + "_SVG.zip")
+    if book.getBookType()==u"Topaz":
+        zipname = os.path.join(outdir, outfilename + u"_SVG.zip")
         book.getSVGZip(zipname)
-        print("Saved SVG ZIP Archive for {1:s} after {0:.1f} seconds".format(time.time()-starttime, outfilename))
+        print u"Saved SVG ZIP Archive for {1:s} after {0:.1f} seconds".format(time.time()-starttime, outfilename)
 
     # remove internal temporary directory of Topaz pieces
     book.cleanup()
@@ -299,9 +300,9 @@ def decryptBook(infile, outdir, kDatabaseFiles, androidFiles, serials, pids):
 
 
 def usage(progname):
-    print("Removes DRM protection from Mobipocket, Amazon KF8, Amazon Print Replica and Amazon Topaz ebooks")
-    print("Usage:")
-    print("    {0} [-k <kindle.k4i>] [-p <comma separated PIDs>] [-s <comma separated Kindle serial numbers>] [ -a <AmazonSecureStorage.xml|backup.ab> ] <infile> <outdir>".format(progname))
+    print u"Removes DRM protection from Mobipocket, Amazon KF8, Amazon Print Replica and Amazon Topaz ebooks"
+    print u"Usage:"
+    print u"    {0} [-k <kindle.k4i>] [-p <comma separated PIDs>] [-s <comma separated Kindle serial numbers>] [ -a <AmazonSecureStorage.xml|backup.ab> ] <infile> <outdir>".format(progname)
 
 #
 # Main
@@ -309,12 +310,12 @@ def usage(progname):
 def cli_main():
     argv=unicode_argv()
     progname = os.path.basename(argv[0])
-    print("K4MobiDeDrm v{0}.\nCopyright © 2008-2020 Apprentice Harper et al.".format(__version__))
+    print u"K4MobiDeDrm v{0}.\nCopyright © 2008-2017 Apprentice Harper et al.".format(__version__)
 
     try:
-        opts, args = getopt.getopt(argv[1:], "k:p:s:a:h")
-    except getopt.GetoptError as err:
-        print("Error in options or arguments: {0}".format(err.args[0]))
+        opts, args = getopt.getopt(argv[1:], "k:p:s:a:")
+    except getopt.GetoptError, err:
+        print u"Error in options or arguments: {0}".format(err.args[0])
         usage(progname)
         sys.exit(2)
     if len(args)<2:
@@ -329,9 +330,6 @@ def cli_main():
     pids = []
 
     for o, a in opts:
-        if o == "-h":
-            usage(progname)
-            sys.exit(0)
         if o == "-k":
             if a == None :
                 raise DrmException("Invalid parameter for -k")
@@ -339,7 +337,7 @@ def cli_main():
         if o == "-p":
             if a == None :
                 raise DrmException("Invalid parameter for -p")
-            pids = a.encode('utf-8').split(b',')
+            pids = a.split(',')
         if o == "-s":
             if a == None :
                 raise DrmException("Invalid parameter for -s")
@@ -349,6 +347,9 @@ def cli_main():
                 raise DrmException("Invalid parameter for -a")
             androidFiles.append(a)
 
+    # try with built in Kindle Info files if not on Linux
+    k4 = not sys.platform.startswith('linux')
+
     return decryptBook(infile, outdir, kDatabaseFiles, androidFiles, serials, pids)
 
 

DeDRM_plugin/kfxdedrm.py

@@ -1,20 +1,28 @@
-#!/usr/bin/env python3
+#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
+from __future__ import with_statement
+from __future__ import print_function
+
 # Engine to remove drm from Kindle KFX ebooks
 
-#  2.0   - Python 3 for calibre 5.0
-
-
 import os
 import shutil
 import zipfile
 
-from io import BytesIO
+try:
+    from cStringIO import StringIO
+except ImportError:
+    from StringIO import StringIO
+
+try:
+    from calibre_plugins.dedrm import ion
+except ImportError:
+    import ion
 
 
 __license__ = 'GPL v3'
-__version__ = '2.0'
+__version__ = '1.0'
 
 
 class KFXZipBook:
@@ -27,10 +35,6 @@ class KFXZipBook:
         return (None, None)
 
     def processBook(self, totalpids):
-        try:
-            import ion
-        except:
-            from calibre_plugins.dedrm import ion
         with zipfile.ZipFile(self.infile, 'r') as zf:
             for filename in zf.namelist():
                 with zf.open(filename) as fh:
@@ -40,13 +44,13 @@ class KFXZipBook:
                     data += fh.read()
                     if self.voucher is None:
                         self.decrypt_voucher(totalpids)
-                    print("Decrypting KFX DRMION: {0}".format(filename))
-                    outfile = BytesIO()
-                    ion.DrmIon(BytesIO(data[8:-8]), lambda name: self.voucher).parse(outfile)
+                    print(u'Decrypting KFX DRMION: {0}'.format(filename))
+                    outfile = StringIO()
+                    ion.DrmIon(StringIO(data[8:-8]), lambda name: self.voucher).parse(outfile)
                     self.decrypted[filename] = outfile.getvalue()
 
         if not self.decrypted:
-            print("The .kfx-zip archive does not contain an encrypted DRMION file")
+            print(u'The .kfx-zip archive does not contain an encrypted DRMION file')
 
     def decrypt_voucher(self, totalpids):
         with zipfile.ZipFile(self.infile, 'r') as zf:
@@ -60,9 +64,9 @@ class KFXZipBook:
                     if 'ProtectedData' in data:
                         break   # found DRM voucher
             else:
-                raise Exception("The .kfx-zip archive contains an encrypted DRMION file without a DRM voucher")
+                raise Exception(u'The .kfx-zip archive contains an encrypted DRMION file without a DRM voucher')
 
-        print("Decrypting KFX DRM voucher: {0}".format(info.filename))
+        print(u'Decrypting KFX DRM voucher: {0}'.format(info.filename))
 
         for pid in [''] + totalpids:
             for dsn_len,secret_len in [(0,0), (16,0), (16,40), (32,40), (40,0), (40,40)]:
@@ -72,20 +76,20 @@ class KFXZipBook:
                 continue
 
             try:
-                voucher = ion.DrmIonVoucher(BytesIO(data), pid[:dsn_len], pid[dsn_len:])
+                voucher = ion.DrmIonVoucher(StringIO(data), pid[:dsn_len], pid[dsn_len:])
                 voucher.parse()
                 voucher.decryptvoucher()
                 break
             except:
                 pass
         else:
-            raise Exception("Failed to decrypt KFX DRM voucher with any key")
+            raise Exception(u'Failed to decrypt KFX DRM voucher with any key')
 
-        print("KFX DRM voucher successfully decrypted")
+        print(u'KFX DRM voucher successfully decrypted')
 
         license_type = voucher.getlicensetype()
         if license_type != "Purchase":
-            raise Exception(("This book is licensed as {0}. "
+            raise Exception((u'This book is licensed as {0}. '
                     'These tools are intended for use on purchased books.').format(license_type))
 
         self.voucher = voucher

DeDRM_plugin/kgenpids.py

@@ -1,18 +1,19 @@
-#!/usr/bin/env python3
+#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
+from __future__ import with_statement
+from __future__ import print_function
+
 # kgenpids.py
-# Copyright © 2008-2020 Apprentice Harper et al.
+# Copyright © 2008-2017 Apprentice Harper et al.
 
 __license__ = 'GPL v3'
-__version__ = '3.0'
+__version__ = '2.1'
 
 # Revision history:
 #  2.0   - Fix for non-ascii Windows user names
 #  2.1   - Actual fix for non-ascii WIndows user names.
-#  2.2   - Return information needed for KFX decryption
-#  3.0   - Python 3 for calibre 5.0
-
+#  x.x   - Return information needed for KFX decryption
 
 import sys
 import os, csv
@@ -30,9 +31,9 @@ global charMap3
 global charMap4
 
 
-charMap1 = b'n5Pr6St7Uv8Wx9YzAb0Cd1Ef2Gh3Jk4M'
-charMap3 = b'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'
-charMap4 = b'ABCDEFGHIJKLMNPQRSTUVWXYZ123456789'
+charMap1 = 'n5Pr6St7Uv8Wx9YzAb0Cd1Ef2Gh3Jk4M'
+charMap3 = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'
+charMap4 = 'ABCDEFGHIJKLMNPQRSTUVWXYZ123456789'
 
 # crypto digestroutines
 import hashlib
@@ -49,15 +50,14 @@ def SHA1(message):
 
 
 # Encode the bytes in data with the characters in map
-# data and map should be byte arrays
 def encode(data, map):
-    result = b''
+    result = ''
     for char in data:
-        value = char
+        value = ord(char)
         Q = (value ^ 0x80) // len(map)
         R = value % len(map)
-        result += bytes([map[Q]])
-        result += bytes([map[R]])
+        result += map[Q]
+        result += map[R]
     return result
 
 # Hash the bytes in data and then encode the digest with the characters in map
@@ -84,7 +84,7 @@ def decode(data,map):
 def getTwoBitsFromBitField(bitField,offset):
     byteNumber = offset // 4
     bitPosition = 6 - 2*(offset % 4)
-    return bitField[byteNumber] >> bitPosition & 3
+    return ord(bitField[byteNumber]) >> bitPosition & 3
 
 # Returns the six bits at offset from a bit field
 def getSixBitsFromBitField(bitField,offset):
@@ -95,9 +95,9 @@ def getSixBitsFromBitField(bitField,offset):
 # 8 bits to six bits encoding from hash to generate PID string
 def encodePID(hash):
     global charMap3
-    PID = b''
+    PID = ''
     for position in range (0,8):
-        PID += bytes([charMap3[getSixBitsFromBitField(hash,position)]])
+        PID += charMap3[getSixBitsFromBitField(hash,position)]
     return PID
 
 # Encryption table used to generate the device PID
@@ -118,7 +118,7 @@ def generatePidEncryptionTable() :
 def generatePidSeed(table,dsn) :
     value = 0
     for counter in range (0,4) :
-        index = (dsn[counter] ^ value) & 0xFF
+        index = (ord(dsn[counter]) ^ value) &0xFF
         value = (value >> 8) ^ table[index]
     return value
 
@@ -126,15 +126,15 @@ def generatePidSeed(table,dsn) :
 def generateDevicePID(table,dsn,nbRoll):
     global charMap4
     seed = generatePidSeed(table,dsn)
-    pidAscii = b''
+    pidAscii = ''
     pid = [(seed >>24) &0xFF,(seed >> 16) &0xff,(seed >> 8) &0xFF,(seed) & 0xFF,(seed>>24) & 0xFF,(seed >> 16) &0xff,(seed >> 8) &0xFF,(seed) & 0xFF]
     index = 0
     for counter in range (0,nbRoll):
-        pid[index] = pid[index] ^ dsn[counter]
+        pid[index] = pid[index] ^ ord(dsn[counter])
         index = (index+1) %8
     for counter in range (0,8):
         index = ((((pid[counter] >>5) & 3) ^ pid[counter]) & 0x1f) + (pid[counter] >> 7)
-        pidAscii += bytes([charMap4[index]])
+        pidAscii += charMap4[index]
     return pidAscii
 
 def crc32(s):
@@ -150,7 +150,7 @@ def checksumPid(s):
     for i in (0,1):
         b = crc & 0xff
         pos = (b // l) ^ (b % l)
-        res += bytes([charMap4[pos%l]])
+        res += charMap4[pos%l]
         crc >>= 8
     return res
 
@@ -160,15 +160,15 @@ def pidFromSerial(s, l):
     global charMap4
     crc = crc32(s)
     arr1 = [0]*l
-    for i in range(len(s)):
-        arr1[i%l] ^= s[i]
+    for i in xrange(len(s)):
+        arr1[i%l] ^= ord(s[i])
     crc_bytes = [crc >> 24 & 0xff, crc >> 16 & 0xff, crc >> 8 & 0xff, crc & 0xff]
-    for i in range(l):
+    for i in xrange(l):
         arr1[i] ^= crc_bytes[i&3]
-    pid = b""
-    for i in range(l):
+    pid = ""
+    for i in xrange(l):
         b = arr1[i] & 0xff
-        pid += bytes([charMap4[(b >> 7) + ((b >> 5 & 3) ^ (b & 0x1f))]])
+        pid+=charMap4[(b >> 7) + ((b >> 5 & 3) ^ (b & 0x1f))]
     return pid
 
 
@@ -179,7 +179,7 @@ def getKindlePids(rec209, token, serialnum):
 
     pids=[]
 
-    if isinstance(serialnum,str):
+    if isinstance(serialnum,unicode):
         serialnum = serialnum.encode('utf-8')
 
     # Compute book PID
@@ -189,7 +189,7 @@ def getKindlePids(rec209, token, serialnum):
     pids.append(bookPID)
 
     # compute fixed pid for old pre 2.5 firmware update pid as well
-    kindlePID = pidFromSerial(serialnum, 7) + b"*"
+    kindlePID = pidFromSerial(serialnum, 7) + "*"
     kindlePID = checksumPid(kindlePID)
     pids.append(kindlePID)
 
@@ -206,7 +206,7 @@ def getK4Pids(rec209, token, kindleDatabase):
 
     try:
         # Get the kindle account token, if present
-        kindleAccountToken = bytearray.fromhex((kindleDatabase[1])['kindle.account.tokens'])
+        kindleAccountToken = (kindleDatabase[1])['kindle.account.tokens'].decode('hex')
 
     except KeyError:
         kindleAccountToken=""
@@ -214,44 +214,44 @@ def getK4Pids(rec209, token, kindleDatabase):
 
     try:
         # Get the DSN token, if present
-        DSN = bytearray.fromhex((kindleDatabase[1])['DSN'])
-        print("Got DSN key from database {0}".format(kindleDatabase[0]))
+        DSN = (kindleDatabase[1])['DSN'].decode('hex')
+        print(u"Got DSN key from database {0}".format(kindleDatabase[0]))
     except KeyError:
         # See if we have the info to generate the DSN
         try:
             # Get the Mazama Random number
-            MazamaRandomNumber = bytearray.fromhex((kindleDatabase[1])['MazamaRandomNumber'])
-            #print "Got MazamaRandomNumber from database {0}".format(kindleDatabase[0])
+            MazamaRandomNumber = (kindleDatabase[1])['MazamaRandomNumber'].decode('hex')
+            #print u"Got MazamaRandomNumber from database {0}".format(kindleDatabase[0])
 
             try:
                 # Get the SerialNumber token, if present
-                IDString = bytearray.fromhex((kindleDatabase[1])['SerialNumber'])
-                print("Got SerialNumber from database {0}".format(kindleDatabase[0]))
+                IDString = (kindleDatabase[1])['SerialNumber'].decode('hex')
+                print(u"Got SerialNumber from database {0}".format(kindleDatabase[0]))
             except KeyError:
                  # Get the IDString we added
-                IDString = bytearray.fromhex((kindleDatabase[1])['IDString'])
+                IDString = (kindleDatabase[1])['IDString'].decode('hex')
 
             try:
                 # Get the UsernameHash token, if present
-                encodedUsername = bytearray.fromhex((kindleDatabase[1])['UsernameHash'])
-                print("Got UsernameHash from database {0}".format(kindleDatabase[0]))
+                encodedUsername = (kindleDatabase[1])['UsernameHash'].decode('hex')
+                print(u"Got UsernameHash from database {0}".format(kindleDatabase[0]))
             except KeyError:
                 # Get the UserName we added
-                UserName = bytearray.fromhex((kindleDatabase[1])['UserName'])
+                UserName = (kindleDatabase[1])['UserName'].decode('hex')
                 # encode it
                 encodedUsername = encodeHash(UserName,charMap1)
-                #print "encodedUsername",encodedUsername.encode('hex')
+                #print u"encodedUsername",encodedUsername.encode('hex')
         except KeyError:
-            print("Keys not found in the database {0}.".format(kindleDatabase[0]))
+            print(u"Keys not found in the database {0}.".format(kindleDatabase[0]))
             return pids
 
         # Get the ID string used
         encodedIDString = encodeHash(IDString,charMap1)
-        #print "encodedIDString",encodedIDString.encode('hex')
+        #print u"encodedIDString",encodedIDString.encode('hex')
 
         # concat, hash and encode to calculate the DSN
         DSN = encode(SHA1(MazamaRandomNumber+encodedIDString+encodedUsername),charMap1)
-        #print "DSN",DSN.encode('hex')
+        #print u"DSN",DSN.encode('hex')
         pass
 
     if rec209 is None:
@@ -297,15 +297,15 @@ def getPidList(md1, md2, serials=[], kDatabases=[]):
     for kDatabase in kDatabases:
         try:
             pidlst.extend(getK4Pids(md1, md2, kDatabase))
-        except Exception as e:
-            print("Error getting PIDs from database {0}: {1}".format(kDatabase[0],e.args[0]))
+        except Exception, e:
+            print(u"Error getting PIDs from database {0}: {1}".format(kDatabase[0],e.args[0]))
             traceback.print_exc()
 
     for serialnum in serials:
         try:
             pidlst.extend(getKindlePids(md1, md2, serialnum))
-        except Exception as e:
-            print("Error getting PIDs from serial number {0}: {1}".format(serialnum ,e.args[0]))
+        except Exception, e:
+            print(u"Error getting PIDs from serial number {0}: {1}".format(serialnum ,e.args[0]))
             traceback.print_exc()
 
     return pidlst

DeDRM_plugin/kindlekey.py

@@ -1,11 +1,13 @@
-#!/usr/bin/env python3
+#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
+from __future__ import with_statement
+
 # kindlekey.py
 # Copyright © 2008-2020 Apprentice Harper et al.
 
 __license__ = 'GPL v3'
-__version__ = '3.0'
+__version__ = '2.8'
 
 # Revision history:
 #  1.0   - Kindle info file decryption, extracted from k4mobidedrm, etc.
@@ -28,7 +30,7 @@ __version__ = '3.0'
 #  2.5   - Final Fix for Windows user names with non-ascii characters, thanks to oneofusoneofus
 #  2.6   - Start adding support for Kindle 1.25+ .kinf2018 file
 #  2.7   - Finish .kinf2018 support, PC & Mac by Apprentice Sakuya
-#  3.0   - Python 3 for calibre 5.0
+#  2.8   - Fix for Mac OS X Big Sur
 
 
 """
@@ -36,11 +38,9 @@ Retrieve Kindle for PC/Mac user key.
 """
 
 import sys, os, re
-import codecs
-from struct import pack, unpack, unpack_from
+from struct import pack, unpack
 import json
 import getopt
-import traceback
 
 try:
     RegError
@@ -60,11 +60,10 @@ class SafeUnbuffered:
         if self.encoding == None:
             self.encoding = "utf-8"
     def write(self, data):
-        if isinstance(data, str):
+        if isinstance(data,unicode):
             data = data.encode(self.encoding,"replace")
-        self.stream.buffer.write(data)
-        self.stream.buffer.flush()
-
+        self.stream.write(data)
+        self.stream.flush()
     def __getattr__(self, attr):
         return getattr(self.stream, attr)
 
@@ -102,13 +101,15 @@ def unicode_argv():
             # Remove Python executable and commands if present
             start = argc.value - len(sys.argv)
             return [argv[i] for i in
-                    range(start, argc.value)]
+                    xrange(start, argc.value)]
         # if we don't have any arguments at all, just pass back script name
         # this should never happen
-        return ["kindlekey.py"]
+        return [u"kindlekey.py"]
     else:
-        argvencoding = sys.stdin.encoding or "utf-8"
-        return [arg if isinstance(arg, str) else str(arg, argvencoding) for arg in sys.argv]
+        argvencoding = sys.stdin.encoding
+        if argvencoding == None:
+            argvencoding = "utf-8"
+        return [arg if (type(arg) == unicode) else unicode(arg,argvencoding) for arg in sys.argv]
 
 class DrmException(Exception):
     pass
@@ -155,15 +156,14 @@ def primes(n):
     return primeList
 
 # Encode the bytes in data with the characters in map
-# data and map should be byte arrays
 def encode(data, map):
-    result = b''
+    result = ''
     for char in data:
-        value = char
+        value = ord(char)
         Q = (value ^ 0x80) // len(map)
         R = value % len(map)
-        result += bytes([map[Q]])
-        result += bytes([map[R]])
+        result += map[Q]
+        result += map[R]
     return result
 
 # Hash the bytes in data and then encode the digest with the characters in map
@@ -172,7 +172,7 @@ def encodeHash(data,map):
 
 # Decode the string in data with the characters in map. Returns the decoded bytes
 def decode(data,map):
-    result = b''
+    result = ''
     for i in range (0,len(data)-1,2):
         high = map.find(data[i])
         low = map.find(data[i+1])
@@ -188,7 +188,7 @@ if iswindows:
         create_unicode_buffer, create_string_buffer, CFUNCTYPE, addressof, \
         string_at, Structure, c_void_p, cast
 
-    import winreg
+    import _winreg as winreg
     MAX_PATH = 255
     kernel32 = windll.kernel32
     advapi32 = windll.advapi32
@@ -232,12 +232,20 @@ if iswindows:
         class DecryptNotBlockAlignedError(DecryptError):
             """ Error in decryption processing """
 
+        def xorS(a,b):
+            """ XOR two strings """
+            assert len(a)==len(b)
+            x = []
+            for i in range(len(a)):
+                x.append( chr(ord(a[i])^ord(b[i])))
+            return ''.join(x)
+
         def xor(a,b):
-            """ XOR two byte arrays, to lesser length """
+            """ XOR two strings """
             x = []
             for i in range(min(len(a),len(b))):
-                x.append( a[i] ^ b[i])
-            return bytes(x)
+                x.append( chr(ord(a[i])^ord(b[i])))
+            return ''.join(x)
 
         """
             Base 'BlockCipher' and Pad classes for cipher instances.
@@ -256,10 +264,10 @@ if iswindows:
                 self.resetDecrypt()
             def resetEncrypt(self):
                 self.encryptBlockCount = 0
-                self.bytesToEncrypt = b''
+                self.bytesToEncrypt = ''
             def resetDecrypt(self):
                 self.decryptBlockCount = 0
-                self.bytesToDecrypt = b''
+                self.bytesToDecrypt = ''
 
             def encrypt(self, plainText, more = None):
                 """ Encrypt a string and return a binary string """
@@ -292,14 +300,14 @@ if iswindows:
                 numBlocks, numExtraBytes = divmod(len(self.bytesToDecrypt), self.blockSize)
                 if more == None:  # no more calls to decrypt, should have all the data
                     if numExtraBytes  != 0:
-                        raise DecryptNotBlockAlignedError('Data not block aligned on decrypt')
+                        raise DecryptNotBlockAlignedError, 'Data not block aligned on decrypt'
 
                 # hold back some bytes in case last decrypt has zero len
                 if (more != None) and (numExtraBytes == 0) and (numBlocks >0) :
                     numBlocks -= 1
                     numExtraBytes = self.blockSize
 
-                plainText = b''
+                plainText = ''
                 for i in range(numBlocks):
                     bStart = i*self.blockSize
                     ptBlock = self.decryptBlock(self.bytesToDecrypt[bStart : bStart+self.blockSize])
@@ -334,7 +342,7 @@ if iswindows:
             def removePad(self, paddedBinaryString, blockSize):
                 """ Remove padding from a binary string """
                 if not(0<len(paddedBinaryString)):
-                    raise DecryptNotBlockAlignedError('Expected More Data')
+                    raise DecryptNotBlockAlignedError, 'Expected More Data'
                 return paddedBinaryString[:-ord(paddedBinaryString[-1])]
 
         class noPadding(Pad):
@@ -364,11 +372,11 @@ if iswindows:
                 self.blockSize  = blockSize  # blockSize is in bytes
                 self.padding    = padding    # change default to noPadding() to get normal ECB behavior
 
-                assert( keySize%4==0 and (keySize//4) in NrTable[4]),'key size must be 16,20,24,29 or 32 bytes'
-                assert( blockSize%4==0 and (blockSize//4) in NrTable), 'block size must be 16,20,24,29 or 32 bytes'
+                assert( keySize%4==0 and NrTable[4].has_key(keySize/4)),'key size must be 16,20,24,29 or 32 bytes'
+                assert( blockSize%4==0 and NrTable.has_key(blockSize/4)), 'block size must be 16,20,24,29 or 32 bytes'
 
-                self.Nb = self.blockSize//4          # Nb is number of columns of 32 bit words
-                self.Nk = keySize//4                 # Nk is the key length in 32-bit words
+                self.Nb = self.blockSize/4          # Nb is number of columns of 32 bit words
+                self.Nk = keySize/4                 # Nk is the key length in 32-bit words
                 self.Nr = NrTable[self.Nb][self.Nk] # The number of rounds (Nr) is a function of
                                                     # the block (Nb) and key (Nk) sizes.
                 if key != None:
@@ -412,15 +420,15 @@ if iswindows:
             def _toBlock(self, bs):
                 """ Convert binary string to array of bytes, state[col][row]"""
                 assert ( len(bs) == 4*self.Nb ), 'Rijndarl blocks must be of size blockSize'
-                return [[bs[4*i],bs[4*i+1],bs[4*i+2],bs[4*i+3]] for i in range(self.Nb)]
+                return [[ord(bs[4*i]),ord(bs[4*i+1]),ord(bs[4*i+2]),ord(bs[4*i+3])] for i in range(self.Nb)]
 
             def _toBString(self, block):
                 """ Convert block (array of bytes) to binary string """
                 l = []
                 for col in block:
                     for rowElement in col:
-                        l.append(rowElement)
-                return bytes(l)
+                        l.append(chr(rowElement))
+                return ''.join(l)
         #-------------------------------------
         """    Number of rounds Nr = NrTable[Nb][Nk]
 
@@ -432,16 +440,17 @@ if iswindows:
                     7: {4:13,  5:13,  6:13,  7:13,  8:14},
                     8: {4:14,  5:14,  6:14,  7:14,  8:14}}
         #-------------------------------------
-        def keyExpansion(algInstance, keyArray):
-            """ Expand a byte array of size keySize into a larger array """
+        def keyExpansion(algInstance, keyString):
+            """ Expand a string of size keySize into a larger array """
             Nk, Nb, Nr = algInstance.Nk, algInstance.Nb, algInstance.Nr # for readability
-            w = [[keyArray[4*i],keyArray[4*i+1],keyArray[4*i+2],keyArray[4*i+3]] for i in range(Nk)]
+            key = [ord(byte) for byte in keyString]  # convert string to list
+            w = [[key[4*i],key[4*i+1],key[4*i+2],key[4*i+3]] for i in range(Nk)]
             for i in range(Nk,Nb*(Nr+1)):
                 temp = w[i-1]        # a four byte column
                 if (i%Nk) == 0 :
                     temp     = temp[1:]+[temp[0]]  # RotWord(temp)
                     temp     = [ Sbox[byte] for byte in temp ]
-                    temp[0] ^= Rcon[i//Nk]
+                    temp[0] ^= Rcon[i/Nk]
                 elif Nk > 6 and  i%Nk == 4 :
                     temp     = [ Sbox[byte] for byte in temp ]  # SubWord(temp)
                 w.append( [ w[i-Nk][byte]^temp[byte] for byte in range(4) ] )
@@ -641,7 +650,7 @@ if iswindows:
             def __init__(self, key = None, padding = padWithPadLen(), keySize=16):
                 """ Initialize AES, keySize is in bytes """
                 if  not (keySize == 16 or keySize == 24 or keySize == 32) :
-                    raise BadKeySizeError('Illegal AES key size, must be 16, 24, or 32 bytes')
+                    raise BadKeySizeError, 'Illegal AES key size, must be 16, 24, or 32 bytes'
 
                 Rijndael.__init__( self, key, padding=padding, keySize=keySize, blockSize=16 )
 
@@ -733,7 +742,7 @@ if iswindows:
                 if self.decryptBlockCount == 0:   # first call, process IV
                     if self.iv == None:    # auto decrypt IV?
                         self.prior_CT_block = encryptedBlock
-                        return b''
+                        return ''
                     else:
                         assert(len(self.iv)==self.blockSize),"Bad IV size on CBC decryption"
                         self.prior_CT_block = self.iv
@@ -781,10 +790,10 @@ if iswindows:
             #                             [c_char_p, c_ulong, c_char_p, c_ulong, c_ulong, c_ulong, c_char_p])
             def pbkdf2(self, passwd, salt, iter, keylen):
 
-                def xorbytes( a, b ):
+                def xorstr( a, b ):
                     if len(a) != len(b):
-                        raise Exception("xorbytes(): lengths differ")
-                    return bytes([x ^ y for x, y in zip(a, b)])
+                        raise Exception("xorstr(): lengths differ")
+                    return ''.join((chr(ord(x)^ord(y)) for x, y in zip(a, b)))
 
                 def prf( h, data ):
                     hm = h.copy()
@@ -796,24 +805,24 @@ if iswindows:
                     T = U
                     for i in range(2, itercount+1):
                         U = prf( h, U )
-                        T = xorbytes( T, U )
+                        T = xorstr( T, U )
                     return T
 
                 sha = hashlib.sha1
                 digest_size = sha().digest_size
                 # l - number of output blocks to produce
-                l = keylen // digest_size
+                l = keylen / digest_size
                 if keylen % digest_size != 0:
                     l += 1
                 h = hmac.new( passwd, None, sha )
-                T = b""
+                T = ""
                 for i in range(1, l+1):
                     T += pbkdf2_F( h, salt, iter, i )
                 return T[0: keylen]
 
     def UnprotectHeaderData(encryptedData):
-        passwdData = b'header_key_data'
-        salt = b'HEADER.2011'
+        passwdData = 'header_key_data'
+        salt = 'HEADER.2011'
         iter = 0x80
         keylen = 0x100
         key_iv = KeyIVGen().pbkdf2(passwdData, salt, iter, keylen)
@@ -826,12 +835,12 @@ if iswindows:
 
     # Various character maps used to decrypt kindle info values.
     # Probably supposed to act as obfuscation
-    charMap2 = b"AaZzB0bYyCc1XxDdW2wEeVv3FfUuG4g-TtHh5SsIiR6rJjQq7KkPpL8lOoMm9Nn_"
-    charMap5 = b"AzB0bYyCeVvaZ3FfUuG4g-TtHh5SsIiR6rJjQq7KkPpL8lOoMm9Nn_c1XxDdW2wE"
+    charMap2 = "AaZzB0bYyCc1XxDdW2wEeVv3FfUuG4g-TtHh5SsIiR6rJjQq7KkPpL8lOoMm9Nn_"
+    charMap5 = "AzB0bYyCeVvaZ3FfUuG4g-TtHh5SsIiR6rJjQq7KkPpL8lOoMm9Nn_c1XxDdW2wE"
     # New maps in K4PC 1.9.0
-    testMap1 = b"n5Pr6St7Uv8Wx9YzAb0Cd1Ef2Gh3Jk4M"
-    testMap6 = b"9YzAb0Cd1Ef2n5Pr6St7Uvh3Jk4M8WxG"
-    testMap8 = b"YvaZ3FfUm9Nn_c1XuG4yCAzB0beVg-TtHh5SsIiR6rJjQdW2wEq7KkPpL8lOoMxD"
+    testMap1 = "n5Pr6St7Uv8Wx9YzAb0Cd1Ef2Gh3Jk4M"
+    testMap6 = "9YzAb0Cd1Ef2n5Pr6St7Uvh3Jk4M8WxG"
+    testMap8 = "YvaZ3FfUm9Nn_c1XuG4yCAzB0beVg-TtHh5SsIiR6rJjQdW2wEq7KkPpL8lOoMxD"
 
     # interface with Windows OS Routines
     class DataBlob(Structure):
@@ -895,12 +904,12 @@ if iswindows:
                 size.value = len(buffer)
 
             # replace any non-ASCII values with 0xfffd
-            for i in range(0,len(buffer)):
-                if buffer[i]>"\u007f":
-                    #print "swapping char "+str(i)+" ("+buffer[i]+")"
-                    buffer[i] = "\ufffd"
+            for i in xrange(0,len(buffer)):
+                if buffer[i]>u"\u007f":
+                    #print u"swapping char "+str(i)+" ("+buffer[i]+")"
+                    buffer[i] = u"\ufffd"
             # return utf-8 encoding of modified username
-            #print "modified username:"+buffer.value
+            #print u"modified username:"+buffer.value
             return buffer.value.encode('utf-8')
         return GetUserName
     GetUserName = GetUserName()
@@ -919,19 +928,19 @@ if iswindows:
             if not _CryptUnprotectData(byref(indata), None, byref(entropy),
                                        None, None, flags, byref(outdata)):
                 # raise DrmException("Failed to Unprotect Data")
-                return b'failed'
+                return 'failed'
             return string_at(outdata.pbData, outdata.cbData)
         return CryptUnprotectData
     CryptUnprotectData = CryptUnprotectData()
 
     # Returns Environmental Variables that contain unicode
-    # name must be unicode string, not byte string.
     def getEnvironmentVariable(name):
         import ctypes
+        name = unicode(name) # make sure string argument is unicode
         n = ctypes.windll.kernel32.GetEnvironmentVariableW(name, None, 0)
         if n == 0:
             return None
-        buf = ctypes.create_unicode_buffer("\0"*n)
+        buf = ctypes.create_unicode_buffer(u'\0'*n)
         ctypes.windll.kernel32.GetEnvironmentVariableW(name, buf, n)
         return buf.value
 
@@ -943,7 +952,7 @@ if iswindows:
         path = ""
         if 'LOCALAPPDATA' in os.environ.keys():
             # Python 2.x does not return unicode env. Use Python 3.x
-            path = winreg.ExpandEnvironmentStrings("%LOCALAPPDATA%")
+            path = winreg.ExpandEnvironmentStrings(u"%LOCALAPPDATA%")
             # this is just another alternative.
             # path = getEnvironmentVariable('LOCALAPPDATA')
             if not os.path.isdir(path):
@@ -971,20 +980,20 @@ if iswindows:
             print ('Could not find the folder in which to look for kinfoFiles.')
         else:
             # Probably not the best. To Fix (shouldn't ignore in encoding) or use utf-8
-            print("searching for kinfoFiles in " + path)
+            print(u'searching for kinfoFiles in ' + path.encode('ascii', 'ignore'))
 
             # look for (K4PC 1.25.1 and later) .kinf2018 file
             kinfopath = path +'\\Amazon\\Kindle\\storage\\.kinf2018'
             if os.path.isfile(kinfopath):
                 found = True
-                print('Found K4PC 1.25+ kinf2018 file: ' + kinfopath)
+                print('Found K4PC 1.25+ kinf2018 file: ' + kinfopath.encode('ascii','ignore'))
                 kInfoFiles.append(kinfopath)
 
             # look for (K4PC 1.9.0 and later) .kinf2011 file
             kinfopath = path +'\\Amazon\\Kindle\\storage\\.kinf2011'
             if os.path.isfile(kinfopath):
                 found = True
-                print('Found K4PC 1.9+ kinf2011 file: ' + kinfopath)
+                print('Found K4PC 1.9+ kinf2011 file: ' + kinfopath.encode('ascii','ignore'))
                 kInfoFiles.append(kinfopath)
 
             # look for (K4PC 1.6.0 and later) rainier.2.1.1.kinf file
@@ -1017,31 +1026,29 @@ if iswindows:
     # database of keynames and values
     def getDBfromFile(kInfoFile):
         names = [\
-            b'kindle.account.tokens',\
-            b'kindle.cookie.item',\
-            b'eulaVersionAccepted',\
-            b'login_date',\
-            b'kindle.token.item',\
-            b'login',\
-            b'kindle.key.item',\
-            b'kindle.name.info',\
-            b'kindle.device.info',\
-            b'MazamaRandomNumber',\
-            b'max_date',\
-            b'SIGVERIF',\
-            b'build_version',\
-            b'SerialNumber',\
-            b'UsernameHash',\
-            b'kindle.directedid.info',\
-            b'DSN',\
-            b'kindle.accounttype.info',\
-            b'krx.flashcardsplugin.data.encryption_key',\
-            b'krx.notebookexportplugin.data.encryption_key',\
-            b'proxy.http.password',\
-            b'proxy.http.username'
+            'kindle.account.tokens',\
+            'kindle.cookie.item',\
+            'eulaVersionAccepted',\
+            'login_date',\
+            'kindle.token.item',\
+            'login',\
+            'kindle.key.item',\
+            'kindle.name.info',\
+            'kindle.device.info',\
+            'MazamaRandomNumber',\
+            'max_date',\
+            'SIGVERIF',\
+            'build_version',\
+            'SerialNumber',\
+            'UsernameHash',\
+            'kindle.directedid.info',\
+            'DSN',\
+            'kindle.accounttype.info',\
+            'krx.flashcardsplugin.data.encryption_key',\
+            'krx.notebookexportplugin.data.encryption_key',\
+            'proxy.http.password',\
+            'proxy.http.username'
             ]
-        namehashmap = {encodeHash(n,testMap8):n for n in names}
-        # print(namehashmap)
         DB = {}
         with open(kInfoFile, 'rb') as infoReader:
             data = infoReader.read()
@@ -1049,7 +1056,7 @@ if iswindows:
         # the .kinf file uses "/" to separate it into records
         # so remove the trailing "/" to make it easy to use split
         data = data[:-1]
-        items = data.split(b'/')
+        items = data.split('/')
 
         # starts with an encoded and encrypted header blob
         headerblob = items.pop(0)
@@ -1057,7 +1064,7 @@ if iswindows:
         cleartext = UnprotectHeaderData(encryptedValue)
         #print "header  cleartext:",cleartext
         # now extract the pieces that form the added entropy
-        pattern = re.compile(br'''\[Version:(\d+)\]\[Build:(\d+)\]\[Cksum:([^\]]+)\]\[Guid:([\{\}a-z0-9\-]+)\]''', re.IGNORECASE)
+        pattern = re.compile(r'''\[Version:(\d+)\]\[Build:(\d+)\]\[Cksum:([^\]]+)\]\[Guid:([\{\}a-z0-9\-]+)\]''', re.IGNORECASE)
         for m in re.finditer(pattern, cleartext):
             version = int(m.group(1))
             build = m.group(2)
@@ -1066,8 +1073,8 @@ if iswindows:
         if version == 5:  # .kinf2011
             added_entropy = build + guid
         elif version == 6:  # .kinf2018
-            salt = str(0x6d8 * int(build)).encode('utf-8') + guid
-            sp = GetUserName() + b'+@#$%+' + GetIDString().encode('utf-8')
+            salt = str(0x6d8 * int(build)) + guid
+            sp = GetUserName() + '+@#$%+' + GetIDString()
             passwd = encode(SHA256(sp), charMap5)
             key = KeyIVGen().pbkdf2(passwd, salt, 10000, 0x400)[:32]  # this is very slow
 
@@ -1091,15 +1098,18 @@ if iswindows:
             # read and store in rcnt records of data
             # that make up the contents value
             edlst = []
-            for i in range(rcnt):
+            for i in xrange(rcnt):
                 item = items.pop(0)
                 edlst.append(item)
 
             # key names now use the new testMap8 encoding
-            if keyhash in namehashmap:
-                keyname=namehashmap[keyhash]
-                #print "keyname found from hash:",keyname
-            else:
+            keyname = "unknown"
+            for name in names:
+                if encodeHash(name,testMap8) == keyhash:
+                    keyname = name
+                    #print "keyname found from hash:",keyname
+                    break
+            if keyname == "unknown":
                 keyname = keyhash
                 #print "keyname not found, hash is:",keyname
 
@@ -1116,7 +1126,7 @@ if iswindows:
             # move first offsets chars to end to align for decode by testMap8
             # by moving noffset chars from the start of the
             # string to the end of the string
-            encdata = b"".join(edlst)
+            encdata = "".join(edlst)
             #print "encrypted data:",encdata
             contlen = len(encdata)
             noffset = contlen - primes(int(contlen/3))[-1]
@@ -1155,11 +1165,11 @@ if iswindows:
 
         if len(DB)>6:
             # store values used in decryption
-            DB[b'IDString'] = GetIDString().encode('utf-8')
-            DB[b'UserName'] = GetUserName()
-            print("Decrypted key file using IDString '{0:s}' and UserName '{1:s}'".format(GetIDString(), GetUserName().decode('utf-8')))
+            DB['IDString'] = GetIDString()
+            DB['UserName'] = GetUserName()
+            print u"Decrypted key file using IDString '{0:s}' and UserName '{1:s}'".format(GetIDString(), GetUserName().encode('hex'))
         else:
-            print("Couldn't decrypt file.")
+            print u"Couldn't decrypt file."
             DB = {}
         return DB
 elif isosx:
@@ -1174,8 +1184,12 @@ elif isosx:
 
         libcrypto = find_library('crypto')
         if libcrypto is None:
-            raise DrmException("libcrypto not found")
-        libcrypto = CDLL(libcrypto)
+            libcrypto = '/usr/lib/libcrypto.dylib'
+        try:
+            libcrypto = CDLL(libcrypto)
+        except Exception as e:
+            raise DrmException(u"libcrypto not found: " % e)
+
 
         # From OpenSSL's crypto aes header
         #
@@ -1232,14 +1246,14 @@ elif isosx:
             def set_decrypt_key(self, userkey, iv):
                 self._blocksize = len(userkey)
                 if (self._blocksize != 16) and (self._blocksize != 24) and (self._blocksize != 32) :
-                    raise DrmException("AES improper key used")
+                    raise DrmException(u"AES improper key used")
                     return
                 keyctx = self._keyctx = AES_KEY()
                 self._iv = iv
                 self._userkey = userkey
                 rv = AES_set_decrypt_key(userkey, len(userkey) * 8, keyctx)
                 if rv < 0:
-                    raise DrmException("Failed to initialize AES key")
+                    raise DrmException(u"Failed to initialize AES key")
 
             def decrypt(self, data):
                 out = create_string_buffer(len(data))
@@ -1247,7 +1261,7 @@ elif isosx:
                 keyctx = self._keyctx
                 rv = AES_cbc_encrypt(data, out, len(data), keyctx, mutable_iv, 0)
                 if rv == 0:
-                    raise DrmException("AES decryption failed")
+                    raise DrmException(u"AES decryption failed")
                 return out.raw
 
             def keyivgen(self, passwd, salt, iter, keylen):
@@ -1269,8 +1283,8 @@ elif isosx:
     LibCrypto = _load_crypto()
 
     # Various character maps used to decrypt books. Probably supposed to act as obfuscation
-    charMap1 = b'n5Pr6St7Uv8Wx9YzAb0Cd1Ef2Gh3Jk4M'
-    charMap2 = b'ZB0bYyc1xDdW2wEV3Ff7KkPpL8UuGA4gz-Tme9Nn_tHh5SvXCsIiR6rJjQaqlOoM'
+    charMap1 = 'n5Pr6St7Uv8Wx9YzAb0Cd1Ef2Gh3Jk4M'
+    charMap2 = 'ZB0bYyc1xDdW2wEV3Ff7KkPpL8UuGA4gz-Tme9Nn_tHh5SvXCsIiR6rJjQaqlOoM'
 
     # For kinf approach of K4Mac 1.6.X or later
     # On K4PC charMap5 = 'AzB0bYyCeVvaZ3FfUuG4g-TtHh5SsIiR6rJjQq7KkPpL8lOoMm9Nn_c1XxDdW2wE'
@@ -1278,7 +1292,7 @@ elif isosx:
     charMap5 = charMap2
 
     # new in K4M 1.9.X
-    testMap8 = b'YvaZ3FfUm9Nn_c1XuG4yCAzB0beVg-TtHh5SsIiR6rJjQdW2wEq7KkPpL8lOoMxD'
+    testMap8 = 'YvaZ3FfUm9Nn_c1XuG4yCAzB0beVg-TtHh5SsIiR6rJjQdW2wEq7KkPpL8lOoMxD'
 
     # uses a sub process to get the Hard Drive Serial Number using ioreg
     # returns serial numbers of all internal hard drive drives
@@ -1292,11 +1306,11 @@ elif isosx:
         p = subprocess.Popen(cmdline, shell=True, stdin=None, stdout=subprocess.PIPE, stderr=subprocess.PIPE, close_fds=False)
         out1, out2 = p.communicate()
         #print out1
-        reslst = out1.split(b'\n')
+        reslst = out1.split('\n')
         cnt = len(reslst)
-        for j in range(cnt):
+        for j in xrange(cnt):
             resline = reslst[j]
-            pp = resline.find(b'\"Serial Number\" = \"')
+            pp = resline.find('\"Serial Number\" = \"')
             if pp >= 0:
                 sernum = resline[pp+19:-1]
                 sernums.append(sernum.strip())
@@ -1308,12 +1322,12 @@ elif isosx:
         cmdline = cmdline.encode(sys.getfilesystemencoding())
         p = subprocess.Popen(cmdline, shell=True, stdin=None, stdout=subprocess.PIPE, stderr=subprocess.PIPE, close_fds=False)
         out1, out2 = p.communicate()
-        reslst = out1.split(b'\n')
+        reslst = out1.split('\n')
         cnt = len(reslst)
-        for j in range(cnt):
+        for j in xrange(cnt):
             resline = reslst[j]
-            if resline.startswith(b'/dev'):
-                (devpart, mpath) = resline.split(b' on ')[:2]
+            if resline.startswith('/dev'):
+                (devpart, mpath) = resline.split(' on ')[:2]
                 dpart = devpart[5:]
                 names.append(dpart)
         return names
@@ -1329,11 +1343,11 @@ elif isosx:
         p = subprocess.Popen(cmdline, shell=True, stdin=None, stdout=subprocess.PIPE, stderr=subprocess.PIPE, close_fds=False)
         out1, out2 = p.communicate()
         #print out1
-        reslst = out1.split(b'\n')
+        reslst = out1.split('\n')
         cnt = len(reslst)
-        for j in range(cnt):
+        for j in xrange(cnt):
             resline = reslst[j]
-            pp = resline.find(b'\"UUID\" = \"')
+            pp = resline.find('\"UUID\" = \"')
             if pp >= 0:
                 uuidnum = resline[pp+10:-1]
                 uuidnum = uuidnum.strip()
@@ -1349,16 +1363,16 @@ elif isosx:
         cmdline = cmdline.encode(sys.getfilesystemencoding())
         p = subprocess.Popen(cmdline, shell=True, stdin=None, stdout=subprocess.PIPE, stderr=subprocess.PIPE, close_fds=False)
         out1, out2 = p.communicate()
-        reslst = out1.split(b'\n')
+        reslst = out1.split('\n')
         cnt = len(reslst)
-        for j in range(cnt):
+        for j in xrange(cnt):
             resline = reslst[j]
-            pp = resline.find(b'Ethernet Address: ')
+            pp = resline.find('Ethernet Address: ')
             if pp >= 0:
                 #print resline
                 macnum = resline[pp+18:]
                 macnum = macnum.strip()
-                maclst = macnum.split(b':')
+                maclst = macnum.split(':')
                 n = len(maclst)
                 if n != 6:
                     continue
@@ -1366,7 +1380,7 @@ elif isosx:
                 # now munge it up the way Kindle app does
                 # by xoring it with 0xa5 and swapping elements 3 and 4
                 for i in range(6):
-                    maclst[i] = int(b'0x' + maclst[i], 0)
+                    maclst[i] = int('0x' + maclst[i], 0)
                 mlst = [0x00, 0x00, 0x00, 0x00, 0x00, 0x00]
                 mlst[5] = maclst[5] ^ 0xa5
                 mlst[4] = maclst[3] ^ 0xa5
@@ -1374,7 +1388,7 @@ elif isosx:
                 mlst[2] = maclst[2] ^ 0xa5
                 mlst[1] = maclst[1] ^ 0xa5
                 mlst[0] = maclst[0] ^ 0xa5
-                macnum = b'%0.2x%0.2x%0.2x%0.2x%0.2x%0.2x' % (mlst[0], mlst[1], mlst[2], mlst[3], mlst[4], mlst[5])
+                macnum = '%0.2x%0.2x%0.2x%0.2x%0.2x%0.2x' % (mlst[0], mlst[1], mlst[2], mlst[3], mlst[4], mlst[5])
                 #print 'munged mac', macnum
                 macnums.append(macnum)
         return macnums
@@ -1384,7 +1398,7 @@ elif isosx:
     def GetUserName():
         username = os.getenv('USER')
         #print "Username:",username
-        return username.encode('utf-8')
+        return username
 
     def GetIDStrings():
         # Return all possible ID Strings
@@ -1393,7 +1407,7 @@ elif isosx:
         strings.extend(GetVolumesSerialNumbers())
         strings.extend(GetDiskPartitionNames())
         strings.extend(GetDiskPartitionUUIDs())
-        strings.append(b'9999999999')
+        strings.append('9999999999')
         #print "ID Strings:\n",strings
         return strings
 
@@ -1401,8 +1415,8 @@ elif isosx:
     # unprotect the new header blob in .kinf2011
     # used in Kindle for Mac Version >= 1.9.0
     def UnprotectHeaderData(encryptedData):
-        passwdData = b'header_key_data'
-        salt = b'HEADER.2011'
+        passwdData = 'header_key_data'
+        salt = 'HEADER.2011'
         iter = 0x80
         keylen = 0x100
         crp = LibCrypto()
@@ -1417,7 +1431,7 @@ elif isosx:
     # implements an Pseudo Mac Version of Windows built-in Crypto routine
     class CryptUnprotectData(object):
         def __init__(self, entropy, IDString):
-            sp = GetUserName() + b'+@#$%+' + IDString
+            sp = GetUserName() + '+@#$%+' + IDString
             passwdData = encode(SHA256(sp),charMap2)
             salt = entropy
             self.crp = LibCrypto()
@@ -1496,79 +1510,59 @@ elif isosx:
     # database of keynames and values
     def getDBfromFile(kInfoFile):
         names = [\
-            b'kindle.account.tokens',\
-            b'kindle.cookie.item',\
-            b'eulaVersionAccepted',\
-            b'login_date',\
-            b'kindle.token.item',\
-            b'login',\
-            b'kindle.key.item',\
-            b'kindle.name.info',\
-            b'kindle.device.info',\
-            b'MazamaRandomNumber',\
-            b'max_date',\
-            b'SIGVERIF',\
-            b'build_version',\
-            b'SerialNumber',\
-            b'UsernameHash',\
-            b'kindle.directedid.info',\
-            b'DSN'
-            b'kindle.accounttype.info',\
-            b'krx.flashcardsplugin.data.encryption_key',\
-            b'krx.notebookexportplugin.data.encryption_key',\
-            b'proxy.http.password',\
-            b'proxy.http.username'
+            'kindle.account.tokens',\
+            'kindle.cookie.item',\
+            'eulaVersionAccepted',\
+            'login_date',\
+            'kindle.token.item',\
+            'login',\
+            'kindle.key.item',\
+            'kindle.name.info',\
+            'kindle.device.info',\
+            'MazamaRandomNumber',\
+            'max_date',\
+            'SIGVERIF',\
+            'build_version',\
+            'SerialNumber',\
+            'UsernameHash',\
+            'kindle.directedid.info',\
+            'DSN'
             ]
         with open(kInfoFile, 'rb') as infoReader:
             filedata = infoReader.read()
 
         data = filedata[:-1]
-        items = data.split(b'/')
+        items = data.split('/')
         IDStrings = GetIDStrings()
-        print ("trying username ", GetUserName(), " on file ", kInfoFile)
         for IDString in IDStrings:
-            print ("trying IDString:",IDString)
+            #print "trying IDString:",IDString
             try:
                 DB = {}
-                items = data.split(b'/')
+                items = data.split('/')
 
                 # the headerblob is the encrypted information needed to build the entropy string
                 headerblob = items.pop(0)
-                #print ("headerblob: ",headerblob)
                 encryptedValue = decode(headerblob, charMap1)
-                #print ("encryptedvalue: ",encryptedValue)
                 cleartext = UnprotectHeaderData(encryptedValue)
-                #print ("cleartext: ",cleartext)
 
                 # now extract the pieces in the same way
-                pattern = re.compile(br'''\[Version:(\d+)\]\[Build:(\d+)\]\[Cksum:([^\]]+)\]\[Guid:([\{\}a-z0-9\-]+)\]''', re.IGNORECASE)
+                pattern = re.compile(r'''\[Version:(\d+)\]\[Build:(\d+)\]\[Cksum:([^\]]+)\]\[Guid:([\{\}a-z0-9\-]+)\]''', re.IGNORECASE)
                 for m in re.finditer(pattern, cleartext):
                     version = int(m.group(1))
                     build = m.group(2)
                     guid = m.group(4)
 
-                #print ("version",version)
-                #print ("build",build)
-                #print ("guid",guid,"\n")
-
                 if version == 5:  # .kinf2011: identical to K4PC, except the build number gets multiplied
-                    entropy = str(0x2df * int(build)).encode('utf-8') + guid
+                    entropy = str(0x2df * int(build)) + guid
                     cud = CryptUnprotectData(entropy,IDString)
-                    #print ("entropy",entropy)
-                    #print ("cud",cud)
 
                 elif version == 6:  # .kinf2018: identical to K4PC
-                    salt = str(0x6d8 * int(build)).encode('utf-8') + guid
-                    sp = GetUserName() + b'+@#$%+' + IDString
+                    salt = str(0x6d8 * int(build)) + guid
+                    sp = GetUserName() + '+@#$%+' + IDString
                     passwd = encode(SHA256(sp), charMap5)
                     key = LibCrypto().keyivgen(passwd, salt, 10000, 0x400)[:32]
 
-                    #print ("salt",salt)
-                    #print ("sp",sp)
-                    #print ("passwd",passwd)
-                    #print ("key",key)
-
-               # loop through the item records until all are processed
+                # loop through the item records until all are processed
                 while len(items) > 0:
 
                     # get the first item record
@@ -1577,7 +1571,7 @@ elif isosx:
                     # the first 32 chars of the first record of a group
                     # is the MD5 hash of the key name encoded by charMap5
                     keyhash = item[0:32]
-                    keyname = b'unknown'
+                    keyname = 'unknown'
 
                     # unlike K4PC the keyhash is not used in generating entropy
                     # entropy = SHA1(keyhash) + added_entropy
@@ -1593,16 +1587,16 @@ elif isosx:
                     # read and store in rcnt records of data
                     # that make up the contents value
                     edlst = []
-                    for i in range(rcnt):
+                    for i in xrange(rcnt):
                         item = items.pop(0)
                         edlst.append(item)
 
-                    keyname = b'unknown'
+                    keyname = 'unknown'
                     for name in names:
                         if encodeHash(name,testMap8) == keyhash:
                             keyname = name
                             break
-                    if keyname == b'unknown':
+                    if keyname == 'unknown':
                         keyname = keyhash
 
                     # the testMap8 encoded contents data has had a length
@@ -1616,7 +1610,7 @@ elif isosx:
                     # (in other words split 'about' 2/3rds of the way through)
 
                     # move first offsets chars to end to align for decode by testMap8
-                    encdata = b''.join(edlst)
+                    encdata = ''.join(edlst)
                     contlen = len(encdata)
 
                     # now properly split and recombine
@@ -1656,22 +1650,20 @@ elif isosx:
 
                 if len(DB)>6:
                     break
-
-            except Exception:
-                print (traceback.format_exc())
+            except:
                 pass
         if len(DB)>6:
             # store values used in decryption
-            print("Decrypted key file using IDString '{0:s}' and UserName '{1:s}'".format(IDString.decode('utf-8'), GetUserName().decode('utf-8')))
-            DB[b'IDString'] = IDString
-            DB[b'UserName'] = GetUserName()
+            print u"Decrypted key file using IDString '{0:s}' and UserName '{1:s}'".format(IDString, GetUserName())
+            DB['IDString'] = IDString
+            DB['UserName'] = GetUserName()
         else:
-            print("Couldn't decrypt file.")
+            print u"Couldn't decrypt file."
             DB = {}
         return DB
 else:
     def getDBfromFile(kInfoFile):
-        raise DrmException("This script only runs under Windows or Mac OS X.")
+        raise DrmException(u"This script only runs under Windows or Mac OS X.")
         return {}
 
 def kindlekeys(files = []):
@@ -1682,11 +1674,9 @@ def kindlekeys(files = []):
         key = getDBfromFile(file)
         if key:
             # convert all values to hex, just in case.
-            n_key = {}
-            for k,v in key.items():
-                n_key[k.decode()]=codecs.encode(v, 'hex_codec').decode()
-            # key = {k.decode():v.decode() for k,v in key.items()}
-            keys.append(n_key)
+            for keyname in key:
+                key[keyname]=key[keyname].encode('hex')
+            keys.append(key)
     return keys
 
 # interface for Python DeDRM
@@ -1696,29 +1686,29 @@ def getkey(outpath, files=[]):
     if len(keys) > 0:
         if not os.path.isdir(outpath):
             outfile = outpath
-            with open(outfile, 'w') as keyfileout:
+            with file(outfile, 'w') as keyfileout:
                 keyfileout.write(json.dumps(keys[0]))
-            print("Saved a key to {0}".format(outfile))
+            print u"Saved a key to {0}".format(outfile)
         else:
             keycount = 0
             for key in keys:
                 while True:
                     keycount += 1
-                    outfile = os.path.join(outpath,"kindlekey{0:d}.k4i".format(keycount))
+                    outfile = os.path.join(outpath,u"kindlekey{0:d}.k4i".format(keycount))
                     if not os.path.exists(outfile):
                         break
-                with open(outfile, 'w') as keyfileout:
+                with file(outfile, 'w') as keyfileout:
                     keyfileout.write(json.dumps(key))
-                print("Saved a key to {0}".format(outfile))
+                print u"Saved a key to {0}".format(outfile)
         return True
     return False
 
 def usage(progname):
-    print("Finds, decrypts and saves the default Kindle For Mac/PC encryption keys.")
-    print("Keys are saved to the current directory, or a specified output directory.")
-    print("If a file name is passed instead of a directory, only the first key is saved, in that file.")
-    print("Usage:")
-    print("    {0:s} [-h] [-k <kindle.info>] [<outpath>]".format(progname))
+    print u"Finds, decrypts and saves the default Kindle For Mac/PC encryption keys."
+    print u"Keys are saved to the current directory, or a specified output directory."
+    print u"If a file name is passed instead of a directory, only the first key is saved, in that file."
+    print u"Usage:"
+    print u"    {0:s} [-h] [-k <kindle.info>] [<outpath>]".format(progname)
 
 
 def cli_main():
@@ -1726,12 +1716,12 @@ def cli_main():
     sys.stderr=SafeUnbuffered(sys.stderr)
     argv=unicode_argv()
     progname = os.path.basename(argv[0])
-    print("{0} v{1}\nCopyright © 2010-2020 by some_updates, Apprentice Harper et al.".format(progname,__version__))
+    print u"{0} v{1}\nCopyright © 2010-2016 by some_updates, Apprentice Alf and Apprentice Harper".format(progname,__version__)
 
     try:
         opts, args = getopt.getopt(argv[1:], "hk:")
-    except getopt.GetoptError as err:
-        print("Error in options or arguments: {0}".format(err.args[0]))
+    except getopt.GetoptError, err:
+        print u"Error in options or arguments: {0}".format(err.args[0])
         usage(progname)
         sys.exit(2)
 
@@ -1760,33 +1750,33 @@ def cli_main():
     outpath = os.path.realpath(os.path.normpath(outpath))
 
     if not getkey(outpath, files):
-        print("Could not retrieve Kindle for Mac/PC key.")
+        print u"Could not retrieve Kindle for Mac/PC key."
     return 0
 
 
 def gui_main():
     try:
-        import tkinter
-        import tkinter.constants
-        import tkinter.messagebox
+        import Tkinter
+        import Tkconstants
+        import tkMessageBox
         import traceback
     except:
         return cli_main()
 
-    class ExceptionDialog(tkinter.Frame):
+    class ExceptionDialog(Tkinter.Frame):
         def __init__(self, root, text):
-            tkinter.Frame.__init__(self, root, border=5)
-            label = tkinter.Label(self, text="Unexpected error:",
-                                  anchor=tkinter.constants.W, justify=tkinter.constants.LEFT)
-            label.pack(fill=tkinter.constants.X, expand=0)
-            self.text = tkinter.Text(self)
-            self.text.pack(fill=tkinter.constants.BOTH, expand=1)
+            Tkinter.Frame.__init__(self, root, border=5)
+            label = Tkinter.Label(self, text=u"Unexpected error:",
+                                  anchor=Tkconstants.W, justify=Tkconstants.LEFT)
+            label.pack(fill=Tkconstants.X, expand=0)
+            self.text = Tkinter.Text(self)
+            self.text.pack(fill=Tkconstants.BOTH, expand=1)
 
-            self.text.insert(tkinter.constants.END, text)
+            self.text.insert(Tkconstants.END, text)
 
 
     argv=unicode_argv()
-    root = tkinter.Tk()
+    root = Tkinter.Tk()
     root.withdraw()
     progpath, progname = os.path.split(argv[0])
     success = False
@@ -1796,21 +1786,21 @@ def gui_main():
         for key in keys:
             while True:
                 keycount += 1
-                outfile = os.path.join(progpath,"kindlekey{0:d}.k4i".format(keycount))
+                outfile = os.path.join(progpath,u"kindlekey{0:d}.k4i".format(keycount))
                 if not os.path.exists(outfile):
                     break
 
-            with open(outfile, 'w') as keyfileout:
+            with file(outfile, 'w') as keyfileout:
                 keyfileout.write(json.dumps(key))
             success = True
-            tkinter.messagebox.showinfo(progname, "Key successfully retrieved to {0}".format(outfile))
-    except DrmException as e:
-        tkinter.messagebox.showerror(progname, "Error: {0}".format(str(e)))
+            tkMessageBox.showinfo(progname, u"Key successfully retrieved to {0}".format(outfile))
+    except DrmException, e:
+        tkMessageBox.showerror(progname, u"Error: {0}".format(str(e)))
     except Exception:
         root.wm_state('normal')
         root.title(progname)
         text = traceback.format_exc()
-        ExceptionDialog(root, text).pack(fill=tkinter.constants.BOTH, expand=1)
+        ExceptionDialog(root, text).pack(fill=Tkconstants.BOTH, expand=1)
         root.mainloop()
     if not success:
         return 1

DeDRM_plugin/kindlepid.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python3
+#!/usr/bin/python
 # -*- coding: utf-8 -*-
 
 # Mobipocket PID calculator v0.4 for Amazon Kindle.
@@ -10,9 +10,8 @@
 #  0.3 updated for unicode
 #  0.4 Added support for serial numbers starting with '9', fixed unicode bugs.
 #  0.5 moved unicode_argv call inside main for Windows DeDRM compatibility
-#  1.0 Python 3 for calibre 5.0
-
 
+from __future__ import print_function
 import sys
 import binascii
 
@@ -26,11 +25,10 @@ class SafeUnbuffered:
         if self.encoding == None:
             self.encoding = "utf-8"
     def write(self, data):
-        if isinstance(data, str):
+        if isinstance(data,unicode):
             data = data.encode(self.encoding,"replace")
-        self.stream.buffer.write(data)
-        self.stream.buffer.flush()
-
+        self.stream.write(data)
+        self.stream.flush()
     def __getattr__(self, attr):
         return getattr(self.stream, attr)
 
@@ -65,13 +63,19 @@ def unicode_argv():
             # Remove Python executable and commands if present
             start = argc.value - len(sys.argv)
             return [argv[i] for i in
-                    range(start, argc.value)]
+                    xrange(start, argc.value)]
         # if we don't have any arguments at all, just pass back script name
         # this should never happen
-        return ["kindlepid.py"]
+        return [u"kindlepid.py"]
     else:
-        argvencoding = sys.stdin.encoding or "utf-8"
-        return [arg if isinstance(arg, str) else str(arg, argvencoding) for arg in sys.argv]
+        argvencoding = sys.stdin.encoding
+        if argvencoding == None:
+            argvencoding = "utf-8"
+        return [arg if (type(arg) == unicode) else unicode(arg,argvencoding) for arg in sys.argv]
+
+if sys.hexversion >= 0x3000000:
+    print('This script is incompatible with Python 3.x. Please install Python 2.7.x.')
+    sys.exit(2)
 
 letters = 'ABCDEFGHIJKLMNPQRSTUVWXYZ123456789'
 
@@ -79,7 +83,7 @@ def crc32(s):
     return (~binascii.crc32(s,-1))&0xFFFFFFFF
 
 def checksumPid(s):
-    crc = crc32(s.encode('ascii'))
+    crc = crc32(s)
     crc = crc ^ (crc >> 16)
     res = s
     l = len(letters)
@@ -95,43 +99,43 @@ def pidFromSerial(s, l):
     crc = crc32(s)
 
     arr1 = [0]*l
-    for i in range(len(s)):
-        arr1[i%l] ^= s[i]
+    for i in xrange(len(s)):
+        arr1[i%l] ^= ord(s[i])
 
     crc_bytes = [crc >> 24 & 0xff, crc >> 16 & 0xff, crc >> 8 & 0xff, crc & 0xff]
-    for i in range(l):
+    for i in xrange(l):
         arr1[i] ^= crc_bytes[i&3]
 
     pid = ''
-    for i in range(l):
+    for i in xrange(l):
         b = arr1[i] & 0xff
         pid+=letters[(b >> 7) + ((b >> 5 & 3) ^ (b & 0x1f))]
 
     return pid
 
 def cli_main():
-    print("Mobipocket PID calculator for Amazon Kindle. Copyright © 2007, 2009 Igor Skochinsky")
+    print(u"Mobipocket PID calculator for Amazon Kindle. Copyright © 2007, 2009 Igor Skochinsky")
     argv=unicode_argv()
     if len(argv)==2:
         serial = argv[1]
     else:
-        print("Usage: kindlepid.py <Kindle Serial Number>/<iPhone/iPod Touch UDID>")
+        print(u"Usage: kindlepid.py <Kindle Serial Number>/<iPhone/iPod Touch UDID>")
         return 1
     if len(serial)==16:
         if serial.startswith("B") or serial.startswith("9"):
-            print("Kindle serial number detected")
+            print(u"Kindle serial number detected")
         else:
-            print("Warning: unrecognized serial number. Please recheck input.")
+            print(u"Warning: unrecognized serial number. Please recheck input.")
             return 1
         pid = pidFromSerial(serial.encode("utf-8"),7)+'*'
-        print("Mobipocket PID for Kindle serial#{0} is {1}".format(serial,checksumPid(pid)))
+        print(u"Mobipocket PID for Kindle serial#{0} is {1}".format(serial,checksumPid(pid)))
         return 0
     elif len(serial)==40:
-        print("iPhone serial number (UDID) detected")
+        print(u"iPhone serial number (UDID) detected")
         pid = pidFromSerial(serial.encode("utf-8"),8)
-        print("Mobipocket PID for iPhone serial#{0} is {1}".format(serial,checksumPid(pid)))
+        print(u"Mobipocket PID for iPhone serial#{0} is {1}".format(serial,checksumPid(pid)))
         return 0
-    print("Warning: unrecognized serial number. Please recheck input.")
+    print(u"Warning: unrecognized serial number. Please recheck input.")
     return 1
 
 

DeDRM_plugin/mobidedrm.py

@@ -1,13 +1,13 @@
-#!/usr/bin/env python3
+#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
 # mobidedrm.py
 # Copyright © 2008 The Dark Reverser
-# Portions © 2008–2020 Apprentice Harper et al.
+# Portions © 2008–2017 Apprentice Harper et al.
 
 from __future__ import print_function
 __license__ = 'GPL v3'
-__version__ = "1.0"
+__version__ = u"0.42"
 
 # This is a python script. You need a Python interpreter to run it.
 # For example, ActiveState Python, which exists for windows.
@@ -73,7 +73,6 @@ __version__ = "1.0"
 #  0.40 - moved unicode_argv call inside main for Windows DeDRM compatibility
 #  0.41 - Fixed potential unicode problem in command line calls
 #  0.42 - Added GPL v3 licence. updated/removed some print statements
-#  1.0  - Python 3 compatibility for calibre 5.0
 
 import sys
 import os
@@ -82,7 +81,7 @@ import binascii
 try:
     from alfcrypto import Pukall_Cipher
 except:
-    print("AlfCrypto not found. Using python PC1 implementation.")
+    print(u"AlfCrypto not found. Using python PC1 implementation.")
 
 # Wrap a stream so that output gets flushed immediately
 # and also make sure that any unicode strings get
@@ -94,11 +93,10 @@ class SafeUnbuffered:
         if self.encoding == None:
             self.encoding = "utf-8"
     def write(self, data):
-        if isinstance(data, str):
+        if isinstance(data,unicode):
             data = data.encode(self.encoding,"replace")
-        self.stream.buffer.write(data)
-        self.stream.buffer.flush()
-
+        self.stream.write(data)
+        self.stream.flush()
     def __getattr__(self, attr):
         return getattr(self.stream, attr)
 
@@ -133,13 +131,15 @@ def unicode_argv():
             # Remove Python executable and commands if present
             start = argc.value - len(sys.argv)
             return [argv[i] for i in
-                    range(start, argc.value)]
+                    xrange(start, argc.value)]
         # if we don't have any arguments at all, just pass back script name
         # this should never happen
-        return ["mobidedrm.py"]
+        return [u"mobidedrm.py"]
     else:
-        argvencoding = sys.stdin.encoding or "utf-8"
-        return [arg if isinstance(arg, str) else str(arg, argvencoding) for arg in sys.argv]
+        argvencoding = sys.stdin.encoding
+        if argvencoding == None:
+            argvencoding = 'utf-8'
+        return [arg if (type(arg) == unicode) else unicode(arg,argvencoding) for arg in sys.argv]
 
 
 class DrmException(Exception):
@@ -165,30 +165,30 @@ def PC1(key, src, decryption=True):
     sum2 = 0;
     keyXorVal = 0;
     if len(key)!=16:
-         DrmException ("PC1: Bad key length")
+         DrmException (u"PC1: Bad key length")
     wkey = []
-    for i in range(8):
-        wkey.append(key[i*2]<<8 | key[i*2+1])
-    dst = b''
-    for i in range(len(src)):
+    for i in xrange(8):
+        wkey.append(ord(key[i*2])<<8 | ord(key[i*2+1]))
+    dst = ""
+    for i in xrange(len(src)):
         temp1 = 0;
         byteXorVal = 0;
-        for j in range(8):
+        for j in xrange(8):
             temp1 ^= wkey[j]
             sum2  = (sum2+j)*20021 + sum1
             sum1  = (temp1*346)&0xFFFF
             sum2  = (sum2+sum1)&0xFFFF
             temp1 = (temp1*20021+1)&0xFFFF
             byteXorVal ^= temp1 ^ sum2
-        curByte = src[i]
+        curByte = ord(src[i])
         if not decryption:
             keyXorVal = curByte * 257;
         curByte = ((curByte ^ (byteXorVal >> 8)) ^ byteXorVal) & 0xFF
         if decryption:
             keyXorVal = curByte * 257;
-        for j in range(8):
+        for j in xrange(8):
             wkey[j] ^= keyXorVal;
-        dst+=bytes([curByte])
+        dst+=chr(curByte)
     return dst
 
 def checksumPid(s):
@@ -200,7 +200,7 @@ def checksumPid(s):
     for i in (0,1):
         b = crc & 0xff
         pos = (b // l) ^ (b % l)
-        res += letters[pos%l].encode('ascii')
+        res += letters[pos%l]
         crc >>= 8
     return res
 
@@ -210,7 +210,7 @@ def getSizeOfTrailingDataEntries(ptr, size, flags):
         if size <= 0:
             return result
         while True:
-            v = ptr[size-1]
+            v = ord(ptr[size-1])
             result |= (v & 0x7F) << bitpos
             bitpos += 7
             size -= 1
@@ -226,7 +226,7 @@ def getSizeOfTrailingDataEntries(ptr, size, flags):
     # if multibyte data is included in the encryped data, we'll
     # have already cleared this flag.
     if flags & 1:
-        num += (ptr[size - num - 1] & 0x3) + 1
+        num += (ord(ptr[size - num - 1]) & 0x3) + 1
     return num
 
 
@@ -245,26 +245,26 @@ class MobiBook:
         pass
 
     def __init__(self, infile):
-        print("MobiDeDrm v{0:s}.\nCopyright © 2008-2020 The Dark Reverser, Apprentice Harper et al.".format(__version__))
+        print(u"MobiDeDrm v{0:s}.\nCopyright © 2008-2017 The Dark Reverser, Apprentice Harper et al.".format(__version__))
 
         try:
             from alfcrypto import Pukall_Cipher
         except:
-            print("AlfCrypto not found. Using python PC1 implementation.")
+            print(u"AlfCrypto not found. Using python PC1 implementation.")
 
         # initial sanity check on file
-        self.data_file = open(infile, 'rb').read()
+        self.data_file = file(infile, 'rb').read()
         self.mobi_data = ''
         self.header = self.data_file[0:78]
-        if self.header[0x3C:0x3C+8] != b'BOOKMOBI' and self.header[0x3C:0x3C+8] != b'TEXtREAd':
-            raise DrmException("Invalid file format")
+        if self.header[0x3C:0x3C+8] != 'BOOKMOBI' and self.header[0x3C:0x3C+8] != 'TEXtREAd':
+            raise DrmException(u"Invalid file format")
         self.magic = self.header[0x3C:0x3C+8]
         self.crypto_type = -1
 
         # build up section offset and flag info
         self.num_sections, = struct.unpack('>H', self.header[76:78])
         self.sections = []
-        for i in range(self.num_sections):
+        for i in xrange(self.num_sections):
             offset, a1,a2,a3,a4 = struct.unpack('>LBBBB', self.data_file[78+i*8:78+i*8+8])
             flags, val = a1, a2<<16|a3<<8|a4
             self.sections.append( (offset, flags, val) )
@@ -283,16 +283,16 @@ class MobiBook:
         self.mobi_version = -1
 
         if self.magic == 'TEXtREAd':
-            print("PalmDoc format book detected.")
+            print(u"PalmDoc format book detected.")
             return
 
         self.mobi_length, = struct.unpack('>L',self.sect[0x14:0x18])
         self.mobi_codepage, = struct.unpack('>L',self.sect[0x1c:0x20])
         self.mobi_version, = struct.unpack('>L',self.sect[0x68:0x6C])
-        #print "MOBI header version {0:d}, header length {1:d}".format(self.mobi_version, self.mobi_length)
+        #print u"MOBI header version {0:d}, header length {1:d}".format(self.mobi_version, self.mobi_length)
         if (self.mobi_length >= 0xE4) and (self.mobi_version >= 5):
             self.extra_data_flags, = struct.unpack('>H', self.sect[0xF2:0xF4])
-            #print "Extra Data Flags: {0:d}".format(self.extra_data_flags)
+            #print u"Extra Data Flags: {0:d}".format(self.extra_data_flags)
         if (self.compression != 17480):
             # multibyte utf8 data is included in the encryption for PalmDoc compression
             # so clear that byte so that we leave it to be decrypted.
@@ -304,24 +304,24 @@ class MobiBook:
             exth = ''
             if exth_flag & 0x40:
                 exth = self.sect[16 + self.mobi_length:]
-            if (len(exth) >= 12) and (exth[:4] == b'EXTH'):
+            if (len(exth) >= 12) and (exth[:4] == 'EXTH'):
                 nitems, = struct.unpack('>I', exth[8:12])
                 pos = 12
-                for i in range(nitems):
+                for i in xrange(nitems):
                     type, size = struct.unpack('>II', exth[pos: pos + 8])
                     content = exth[pos + 8: pos + size]
                     self.meta_array[type] = content
                     # reset the text to speech flag and clipping limit, if present
                     if type == 401 and size == 9:
                         # set clipping limit to 100%
-                        self.patchSection(0, b'\144', 16 + self.mobi_length + pos + 8)
+                        self.patchSection(0, '\144', 16 + self.mobi_length + pos + 8)
                     elif type == 404 and size == 9:
                         # make sure text to speech is enabled
-                        self.patchSection(0, b'\0', 16 + self.mobi_length + pos + 8)
+                        self.patchSection(0, '\0', 16 + self.mobi_length + pos + 8)
                     # print type, size, content, content.encode('hex')
                     pos += size
-        except Exception as e:
-            print("Cannot set meta_array: Error: {:s}".format(e.args[0]))
+        except:
+            pass
 
     def getBookTitle(self):
         codec_map = {
@@ -330,7 +330,7 @@ class MobiBook:
         }
         title = ''
         codec = 'windows-1252'
-        if self.magic == b'BOOKMOBI':
+        if self.magic == 'BOOKMOBI':
             if 503 in self.meta_array:
                 title = self.meta_array[503]
             else:
@@ -341,19 +341,19 @@ class MobiBook:
                 codec = codec_map[self.mobi_codepage]
         if title == '':
             title = self.header[:32]
-            title = title.split(b'\0')[0]
-        return title.decode(codec)
+            title = title.split('\0')[0]
+        return unicode(title, codec)
 
     def getPIDMetaInfo(self):
-        rec209 = b''
-        token = b''
+        rec209 = ''
+        token = ''
         if 209 in self.meta_array:
             rec209 = self.meta_array[209]
             data = rec209
             # The 209 data comes in five byte groups. Interpret the last four bytes
             # of each group as a big endian unsigned integer to get a key value
             # if that key exists in the meta_array, append its contents to the token
-            for i in range(0,len(data),5):
+            for i in xrange(0,len(data),5):
                 val,  = struct.unpack('>I',data[i+1:i+5])
                 sval = self.meta_array.get(val,'')
                 token += sval
@@ -373,14 +373,13 @@ class MobiBook:
 
     def parseDRM(self, data, count, pidlist):
         found_key = None
-        keyvec1 = b'\x72\x38\x33\xB0\xB4\xF2\xE3\xCA\xDF\x09\x01\xD6\xE2\xE0\x3F\x96'
+        keyvec1 = '\x72\x38\x33\xB0\xB4\xF2\xE3\xCA\xDF\x09\x01\xD6\xE2\xE0\x3F\x96'
         for pid in pidlist:
-            bigpid = pid.ljust(16,b'\0')
-            bigpid = bigpid
+            bigpid = pid.ljust(16,'\0')
             temp_key = PC1(keyvec1, bigpid, False)
-            temp_key_sum = sum(temp_key) & 0xff
+            temp_key_sum = sum(map(ord,temp_key)) & 0xff
             found_key = None
-            for i in range(count):
+            for i in xrange(count):
                 verification, size, type, cksum, cookie = struct.unpack('>LLLBxxx32s', data[i*0x30:i*0x30+0x30])
                 if cksum == temp_key_sum:
                     cookie = PC1(temp_key, cookie)
@@ -394,8 +393,8 @@ class MobiBook:
             # Then try the default encoding that doesn't require a PID
             pid = '00000000'
             temp_key = keyvec1
-            temp_key_sum = sum(temp_key) & 0xff
-            for i in range(count):
+            temp_key_sum = sum(map(ord,temp_key)) & 0xff
+            for i in xrange(count):
                 verification, size, type, cksum, cookie = struct.unpack('>LLLBxxx32s', data[i*0x30:i*0x30+0x30])
                 if cksum == temp_key_sum:
                     cookie = PC1(temp_key, cookie)
@@ -406,55 +405,52 @@ class MobiBook:
         return [found_key,pid]
 
     def getFile(self, outpath):
-        open(outpath,'wb').write(self.mobi_data)
+        file(outpath,'wb').write(self.mobi_data)
 
     def getBookType(self):
         if self.print_replica:
-            return "Print Replica"
+            return u"Print Replica"
         if self.mobi_version >= 8:
-            return "Kindle Format 8"
+            return u"Kindle Format 8"
         if self.mobi_version >= 0:
-            return "Mobipocket {0:d}".format(self.mobi_version)
-        return "PalmDoc"
+            return u"Mobipocket {0:d}".format(self.mobi_version)
+        return u"PalmDoc"
 
     def getBookExtension(self):
         if self.print_replica:
-            return ".azw4"
+            return u".azw4"
         if self.mobi_version >= 8:
-            return ".azw3"
-        return ".mobi"
+            return u".azw3"
+        return u".mobi"
 
     def processBook(self, pidlist):
         crypto_type, = struct.unpack('>H', self.sect[0xC:0xC+2])
-        print("Crypto Type is: {0:d}".format(crypto_type))
+        print(u"Crypto Type is: {0:d}".format(crypto_type))
         self.crypto_type = crypto_type
         if crypto_type == 0:
-            print("This book is not encrypted.")
+            print(u"This book is not encrypted.")
             # we must still check for Print Replica
             self.print_replica = (self.loadSection(1)[0:4] == '%MOP')
             self.mobi_data = self.data_file
             return
         if crypto_type != 2 and crypto_type != 1:
-            raise DrmException("Cannot decode unknown Mobipocket encryption type {0:d}".format(crypto_type))
+            raise DrmException(u"Cannot decode unknown Mobipocket encryption type {0:d}".format(crypto_type))
         if 406 in self.meta_array:
             data406 = self.meta_array[406]
             val406, = struct.unpack('>Q',data406)
             if val406 != 0:
-                raise DrmException("Cannot decode library or rented ebooks.")
+                raise DrmException(u"Cannot decode library or rented ebooks.")
 
         goodpids = []
-        # print("DEBUG ==== pidlist = ", pidlist)
         for pid in pidlist:
             if len(pid)==10:
                 if checksumPid(pid[0:-2]) != pid:
-                    print("Warning: PID {0} has incorrect checksum, should have been {1}".format(pid,checksumPid(pid[0:-2])))
+                    print(u"Warning: PID {0} has incorrect checksum, should have been {1}".format(pid,checksumPid(pid[0:-2])))
                 goodpids.append(pid[0:-2])
             elif len(pid)==8:
                 goodpids.append(pid)
             else:
-                print("Warning: PID {0} has wrong number of digits".format(pid))
-
-        # print("======= DEBUG good pids = ", goodpids)
+                print(u"Warning: PID {0} has wrong number of digits".format(pid))
 
         if self.crypto_type == 1:
             t1_keyvec = 'QDCVEPMU675RUBSZ'
@@ -470,32 +466,32 @@ class MobiBook:
             # calculate the keys
             drm_ptr, drm_count, drm_size, drm_flags = struct.unpack('>LLLL', self.sect[0xA8:0xA8+16])
             if drm_count == 0:
-                raise DrmException("Encryption not initialised. Must be opened with Mobipocket Reader first.")
+                raise DrmException(u"Encryption not initialised. Must be opened with Mobipocket Reader first.")
             found_key, pid = self.parseDRM(self.sect[drm_ptr:drm_ptr+drm_size], drm_count, goodpids)
             if not found_key:
-                raise DrmException("No key found in {0:d} keys tried.".format(len(goodpids)))
+                raise DrmException(u"No key found in {0:d} keys tried.".format(len(goodpids)))
             # kill the drm keys
-            self.patchSection(0, b'\0' * drm_size, drm_ptr)
+            self.patchSection(0, '\0' * drm_size, drm_ptr)
             # kill the drm pointers
-            self.patchSection(0, b'\xff' * 4 + b'\0' * 12, 0xA8)
+            self.patchSection(0, '\xff' * 4 + '\0' * 12, 0xA8)
 
         if pid=='00000000':
-            print("File has default encryption, no specific key needed.")
+            print(u"File has default encryption, no specific key needed.")
         else:
-            print("File is encoded with PID {0}.".format(checksumPid(pid)))
+            print(u"File is encoded with PID {0}.".format(checksumPid(pid)))
 
         # clear the crypto type
-        self.patchSection(0, b'\0' * 2, 0xC)
+        self.patchSection(0, "\0" * 2, 0xC)
 
         # decrypt sections
-        print("Decrypting. Please wait . . .", end=' ')
+        print(u"Decrypting. Please wait . . .", end=' ')
         mobidataList = []
         mobidataList.append(self.data_file[:self.sections[1][0]])
-        for i in range(1, self.records+1):
+        for i in xrange(1, self.records+1):
             data = self.loadSection(i)
             extra_size = getSizeOfTrailingDataEntries(data, len(data), self.extra_data_flags)
             if i%100 == 0:
-                print(".", end=' ')
+                print(u".", end=' ')
             # print "record %d, extra_size %d" %(i,extra_size)
             decoded_data = PC1(found_key, data[0:len(data) - extra_size])
             if i==1:
@@ -505,13 +501,13 @@ class MobiBook:
                 mobidataList.append(data[-extra_size:])
         if self.num_sections > self.records+1:
             mobidataList.append(self.data_file[self.sections[self.records+1][0]:])
-        self.mobi_data = b''.join(mobidataList)
-        print("done")
+        self.mobi_data = "".join(mobidataList)
+        print(u"done")
         return
 
 def getUnencryptedBook(infile,pidlist):
     if not os.path.isfile(infile):
-        raise DrmException("Input File Not Found.")
+        raise DrmException(u"Input File Not Found.")
     book = MobiBook(infile)
     book.processBook(pidlist)
     return book.mobi_data
@@ -521,24 +517,23 @@ def cli_main():
     argv=unicode_argv()
     progname = os.path.basename(argv[0])
     if len(argv)<3 or len(argv)>4:
-        print("MobiDeDrm v{0:s}.\nCopyright © 2008-2020 The Dark Reverser, Apprentice Harper et al.".format(__version__))
-        print("Removes protection from Kindle/Mobipocket, Kindle/KF8 and Kindle/Print Replica ebooks")
-        print("Usage:")
-        print("    {0} <infile> <outfile> [<Comma separated list of PIDs to try>]".format(progname))
+        print(u"MobiDeDrm v{0:s}.\nCopyright © 2008-2017 The Dark Reverser, Apprentice Harper et al.".format(__version__))
+        print(u"Removes protection from Kindle/Mobipocket, Kindle/KF8 and Kindle/Print Replica ebooks")
+        print(u"Usage:")
+        print(u"    {0} <infile> <outfile> [<Comma separated list of PIDs to try>]".format(progname))
         return 1
     else:
         infile = argv[1]
         outfile = argv[2]
         if len(argv) == 4:
-            # convert from unicode to bytearray before splitting.
-            pidlist = argv[3].encode('utf-8').split(b',')
+            pidlist = argv[3].split(',')
         else:
             pidlist = []
         try:
             stripped_file = getUnencryptedBook(infile, pidlist)
-            open(outfile, 'wb').write(stripped_file)
-        except DrmException as e:
-            print("MobiDeDRM v{0} Error: {1:s}".format(__version__,e.args[0]))
+            file(outfile, 'wb').write(stripped_file)
+        except DrmException, e:
+            print(u"MobiDeDRM v{0} Error: {1:s}".format(__version__,e.args[0]))
             return 1
     return 0
 

DeDRM_plugin/prefs.py

@@ -1,12 +1,12 @@
-#!/usr/bin/env python3
-# -*- coding: utf-8 -*-
+#!/usr/bin/env python
 # vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:ai
 
+from __future__ import with_statement
 __license__ = 'GPL v3'
 
 # Standard Python modules.
 import os, sys, re, hashlib
-import codecs, json
+import json
 import traceback
 
 from calibre.utils.config import dynamic, config_dir, JSONConfig
@@ -15,7 +15,7 @@ from calibre.constants import iswindows, isosx
 
 class DeDRM_Prefs():
     def __init__(self):
-        JSON_PATH = os.path.join("plugins", PLUGIN_NAME.strip().lower().replace(' ', '_') + '.json')
+        JSON_PATH = os.path.join(u"plugins", PLUGIN_NAME.strip().lower().replace(' ', '_') + '.json')
         self.dedrmprefs = JSONConfig(JSON_PATH)
 
         self.dedrmprefs.defaults['configured'] = False
@@ -98,12 +98,12 @@ def convertprefs(always = False):
             try:
                 name, ccn = keystring.split(',')
                 # Generate Barnes & Noble EPUB user key from name and credit card number.
-                keyname = "{0}_{1}".format(name.strip(),ccn.strip()[-4:])
+                keyname = u"{0}_{1}".format(name.strip(),ccn.strip()[-4:])
                 keyvalue = generate_key(name, ccn)
                 userkeys.append([keyname,keyvalue])
-            except Exception as e:
+            except Exception, e:
                 traceback.print_exc()
-                print(e.args[0])
+                print e.args[0]
                 pass
         return userkeys
 
@@ -115,12 +115,12 @@ def convertprefs(always = False):
             try:
                 name, cc = keystring.split(',')
                 # Generate eReader user key from name and credit card number.
-                keyname = "{0}_{1}".format(name.strip(),cc.strip()[-4:])
-                keyvalue = codecs.encode(getuser_key(name,cc),'hex')
+                keyname = u"{0}_{1}".format(name.strip(),cc.strip()[-4:])
+                keyvalue = getuser_key(name,cc).encode('hex')
                 userkeys.append([keyname,keyvalue])
-            except Exception as e:
+            except Exception, e:
                 traceback.print_exc()
-                print(e.args[0])
+                print e.args[0]
                 pass
         return userkeys
 
@@ -146,7 +146,7 @@ def convertprefs(always = False):
                 key = os.path.splitext(filename)[0]
                 value = open(fpath, 'rb').read()
                 if encoding is not None:
-                    value = codecs.encode(value,encoding)
+                    value = value.encode(encoding)
                 userkeys.append([key,value])
             except:
                 traceback.print_exc()
@@ -161,15 +161,15 @@ def convertprefs(always = False):
         return
 
 
-    print("{0} v{1}: Importing configuration data from old DeDRM plugins".format(PLUGIN_NAME, PLUGIN_VERSION))
+    print u"{0} v{1}: Importing configuration data from old DeDRM plugins".format(PLUGIN_NAME, PLUGIN_VERSION)
 
     IGNOBLEPLUGINNAME = "Ignoble Epub DeDRM"
     EREADERPLUGINNAME = "eReader PDB 2 PML"
     OLDKINDLEPLUGINNAME = "K4PC, K4Mac, Kindle Mobi and Topaz DeDRM"
 
     # get prefs from older tools
-    kindleprefs = JSONConfig(os.path.join("plugins", "K4MobiDeDRM"))
-    ignobleprefs = JSONConfig(os.path.join("plugins", "ignoble_epub_dedrm"))
+    kindleprefs = JSONConfig(os.path.join(u"plugins", u"K4MobiDeDRM"))
+    ignobleprefs = JSONConfig(os.path.join(u"plugins", u"ignoble_epub_dedrm"))
 
     # Handle the old ignoble plugin's customization string by converting the
     # old string to stored keys... get that personal data out of plain sight.
@@ -177,7 +177,7 @@ def convertprefs(always = False):
     sc = config['plugin_customization']
     val = sc.pop(IGNOBLEPLUGINNAME, None)
     if val is not None:
-        print("{0} v{1}: Converting old Ignoble plugin configuration string.".format(PLUGIN_NAME, PLUGIN_VERSION))
+        print u"{0} v{1}: Converting old Ignoble plugin configuration string.".format(PLUGIN_NAME, PLUGIN_VERSION)
         priorkeycount = len(dedrmprefs['bandnkeys'])
         userkeys = parseIgnobleString(str(val))
         for keypair in userkeys:
@@ -185,7 +185,7 @@ def convertprefs(always = False):
             value = keypair[1]
             dedrmprefs.addnamedvaluetoprefs('bandnkeys', name, value)
         addedkeycount = len(dedrmprefs['bandnkeys'])-priorkeycount
-        print("{0} v{1}: {2:d} Barnes and Noble {3} imported from old Ignoble plugin configuration string".format(PLUGIN_NAME, PLUGIN_VERSION, addedkeycount, "key" if addedkeycount==1 else "keys"))
+        print u"{0} v{1}: {2:d} Barnes and Noble {3} imported from old Ignoble plugin configuration string".format(PLUGIN_NAME, PLUGIN_VERSION, addedkeycount, u"key" if addedkeycount==1 else u"keys")
     # Make the json write all the prefs to disk
     dedrmprefs.writeprefs(False)
 
@@ -193,7 +193,7 @@ def convertprefs(always = False):
     # old string to stored keys... get that personal data out of plain sight.
     val = sc.pop(EREADERPLUGINNAME, None)
     if val is not None:
-        print("{0} v{1}: Converting old eReader plugin configuration string.".format(PLUGIN_NAME, PLUGIN_VERSION))
+        print u"{0} v{1}: Converting old eReader plugin configuration string.".format(PLUGIN_NAME, PLUGIN_VERSION)
         priorkeycount = len(dedrmprefs['ereaderkeys'])
         userkeys = parseeReaderString(str(val))
         for keypair in userkeys:
@@ -201,14 +201,14 @@ def convertprefs(always = False):
             value = keypair[1]
             dedrmprefs.addnamedvaluetoprefs('ereaderkeys', name, value)
         addedkeycount = len(dedrmprefs['ereaderkeys'])-priorkeycount
-        print("{0} v{1}: {2:d} eReader {3} imported from old eReader plugin configuration string".format(PLUGIN_NAME, PLUGIN_VERSION, addedkeycount, "key" if addedkeycount==1 else "keys"))
+        print u"{0} v{1}: {2:d} eReader {3} imported from old eReader plugin configuration string".format(PLUGIN_NAME, PLUGIN_VERSION, addedkeycount, u"key" if addedkeycount==1 else u"keys")
     # Make the json write all the prefs to disk
     dedrmprefs.writeprefs(False)
 
     # get old Kindle plugin configuration string
     val = sc.pop(OLDKINDLEPLUGINNAME, None)
     if val is not None:
-        print("{0} v{1}: Converting old Kindle plugin configuration string.".format(PLUGIN_NAME, PLUGIN_VERSION))
+        print u"{0} v{1}: Converting old Kindle plugin configuration string.".format(PLUGIN_NAME, PLUGIN_VERSION)
         priorpidcount = len(dedrmprefs['pids'])
         priorserialcount = len(dedrmprefs['serials'])
         pids, serials = parseKindleString(val)
@@ -218,7 +218,7 @@ def convertprefs(always = False):
             dedrmprefs.addvaluetoprefs('serials',serial)
         addedpidcount = len(dedrmprefs['pids']) - priorpidcount
         addedserialcount = len(dedrmprefs['serials']) - priorserialcount
-        print("{0} v{1}: {2:d} {3} and {4:d} {5} imported from old Kindle plugin configuration string.".format(PLUGIN_NAME, PLUGIN_VERSION, addedpidcount, "PID" if addedpidcount==1 else "PIDs", addedserialcount, "serial number" if addedserialcount==1 else "serial numbers"))
+        print u"{0} v{1}: {2:d} {3} and {4:d} {5} imported from old Kindle plugin configuration string.".format(PLUGIN_NAME, PLUGIN_VERSION, addedpidcount, u"PID" if addedpidcount==1 else u"PIDs", addedserialcount, u"serial number" if addedserialcount==1 else u"serial numbers")
     # Make the json write all the prefs to disk
     dedrmprefs.writeprefs(False)
 
@@ -234,7 +234,7 @@ def convertprefs(always = False):
         dedrmprefs.addnamedvaluetoprefs('bandnkeys', name, value)
     addedkeycount = len(dedrmprefs['bandnkeys'])-priorkeycount
     if addedkeycount > 0:
-        print("{0} v{1}: {2:d} Barnes and Noble {3} imported from config folder.".format(PLUGIN_NAME, PLUGIN_VERSION, addedkeycount, "key file" if addedkeycount==1 else "key files"))
+        print u"{0} v{1}: {2:d} Barnes and Noble {3} imported from config folder.".format(PLUGIN_NAME, PLUGIN_VERSION, addedkeycount, u"key file" if addedkeycount==1 else u"key files")
     # Make the json write all the prefs to disk
     dedrmprefs.writeprefs(False)
 
@@ -247,7 +247,7 @@ def convertprefs(always = False):
         dedrmprefs.addnamedvaluetoprefs('adeptkeys', name, value)
     addedkeycount = len(dedrmprefs['adeptkeys'])-priorkeycount
     if addedkeycount > 0:
-        print("{0} v{1}: {2:d} Adobe Adept {3} imported from config folder.".format(PLUGIN_NAME, PLUGIN_VERSION, addedkeycount, "keyfile" if addedkeycount==1 else "keyfiles"))
+        print u"{0} v{1}: {2:d} Adobe Adept {3} imported from config folder.".format(PLUGIN_NAME, PLUGIN_VERSION, addedkeycount, u"keyfile" if addedkeycount==1 else u"keyfiles")
     # Make the json write all the prefs to disk
     dedrmprefs.writeprefs(False)
 
@@ -260,7 +260,7 @@ def convertprefs(always = False):
         addedkeycount = len(dedrmprefs['bandnkeys']) - priorkeycount
         # no need to delete old prefs, since they contain no recoverable private data
         if addedkeycount > 0:
-            print("{0} v{1}: {2:d} Barnes and Noble {3} imported from Ignoble plugin preferences.".format(PLUGIN_NAME, PLUGIN_VERSION, addedkeycount, "key" if addedkeycount==1 else "keys"))
+            print u"{0} v{1}: {2:d} Barnes and Noble {3} imported from Ignoble plugin preferences.".format(PLUGIN_NAME, PLUGIN_VERSION, addedkeycount, u"key" if addedkeycount==1 else u"keys")
     # Make the json write all the prefs to disk
     dedrmprefs.writeprefs(False)
 
@@ -277,19 +277,19 @@ def convertprefs(always = False):
             dedrmprefs.addvaluetoprefs('serials',serial)
     addedpidcount = len(dedrmprefs['pids']) - priorpidcount
     if addedpidcount > 0:
-        print("{0} v{1}: {2:d} {3} imported from Kindle plugin preferences".format(PLUGIN_NAME, PLUGIN_VERSION, addedpidcount, "PID" if addedpidcount==1 else "PIDs"))
+        print u"{0} v{1}: {2:d} {3} imported from Kindle plugin preferences".format(PLUGIN_NAME, PLUGIN_VERSION, addedpidcount, u"PID" if addedpidcount==1 else u"PIDs")
     addedserialcount = len(dedrmprefs['serials']) - priorserialcount
     if addedserialcount > 0:
-        print("{0} v{1}: {2:d} {3} imported from Kindle plugin preferences".format(PLUGIN_NAME, PLUGIN_VERSION, addedserialcount, "serial number" if addedserialcount==1 else "serial numbers"))
+        print u"{0} v{1}: {2:d} {3} imported from Kindle plugin preferences".format(PLUGIN_NAME, PLUGIN_VERSION, addedserialcount, u"serial number" if addedserialcount==1 else u"serial numbers")
     try:
         if 'wineprefix' in kindleprefs and kindleprefs['wineprefix'] != "":
             dedrmprefs.set('adobewineprefix',kindleprefs['wineprefix'])
             dedrmprefs.set('kindlewineprefix',kindleprefs['wineprefix'])
-            print("{0} v{1}: WINEPREFIX ‘(2)’ imported from Kindle plugin preferences".format(PLUGIN_NAME, PLUGIN_VERSION, kindleprefs['wineprefix']))
+            print u"{0} v{1}: WINEPREFIX ‘(2)’ imported from Kindle plugin preferences".format(PLUGIN_NAME, PLUGIN_VERSION, kindleprefs['wineprefix'])
     except:
         traceback.print_exc()
 
 
     # Make the json write all the prefs to disk
     dedrmprefs.writeprefs()
-    print("{0} v{1}: Finished setting up configuration data.".format(PLUGIN_NAME, PLUGIN_VERSION))
+    print u"{0} v{1}: Finished setting up configuration data.".format(PLUGIN_NAME, PLUGIN_VERSION)

DeDRM_plugin/scriptinterface.py

@@ -1,19 +1,19 @@
-#!/usr/bin/env python3
+#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 # vim:ts=4:sw=4:softtabstop=4:smarttab:expandtab
 
-
+from __future__ import print_function
 import sys
 import os
 import re
+import ineptepub
+import ignobleepub
+import epubtest
+import zipfix
+import ineptpdf
+import erdr2pml
+import k4mobidedrm
 import traceback
-import calibre_plugins.dedrm.ineptepub
-import calibre_plugins.dedrm.ignobleepub
-import calibre_plugins.dedrm.epubtest
-import calibre_plugins.dedrm.zipfix
-import calibre_plugins.dedrm.ineptpdf
-import calibre_plugins.dedrm.erdr2pml
-import calibre_plugins.dedrm.k4mobidedrm
 
 def decryptepub(infile, outdir, rscpath):
     errlog = ''
@@ -46,7 +46,7 @@ def decryptepub(infile, outdir, rscpath):
                     if rv == 0:
                         print("Decrypted Adobe ePub with key file {0}".format(filename))
                         break
-                except Exception as e:
+                except Exception, e:
                     errlog += traceback.format_exc()
                     errlog += str(e)
                     rv = 1
@@ -66,7 +66,7 @@ def decryptepub(infile, outdir, rscpath):
                     if rv == 0:
                         print("Decrypted B&N ePub with key file {0}".format(filename))
                         break
-                except Exception as e:
+                except Exception, e:
                     errlog += traceback.format_exc()
                     errlog += str(e)
                     rv = 1
@@ -104,7 +104,7 @@ def decryptpdf(infile, outdir, rscpath):
                 rv = ineptpdf.decryptBook(userkey, infile, outfile)
                 if rv == 0:
                     break
-            except Exception as e:
+            except Exception, e:
                 errlog += traceback.format_exc()
                 errlog += str(e)
                 rv = 1
@@ -132,7 +132,7 @@ def decryptpdb(infile, outdir, rscpath):
                 return 1
             try:
                 rv = erdr2pml.decryptBook(infile, outpath, True, erdr2pml.getuser_key(name, cc8))
-            except Exception as e:
+            except Exception, e:
                 errlog += traceback.format_exc()
                 errlog += str(e)
                 rv = 1
@@ -193,7 +193,7 @@ def decryptk4mobi(infile, outdir, rscpath):
             androidFiles.append(dpath)
     try:
         rv = k4mobidedrm.decryptBook(infile, outdir, kDatabaseFiles, androidFiles, serialnums, pidnums)
-    except Exception as e:
+    except Exception, e:
         errlog += traceback.format_exc()
         errlog += str(e)
         rv = 1

DeDRM_plugin/scrolltextwidget.py

@@ -1,23 +1,23 @@
 #!/usr/bin/env python
 # vim:ts=4:sw=4:softtabstop=4:smarttab:expandtab
 
-import tkinter
-import tkinter.constants
+import Tkinter
+import Tkconstants
 
 # basic scrolled text widget
-class ScrolledText(tkinter.Text):
+class ScrolledText(Tkinter.Text):
     def __init__(self, master=None, **kw):
-        self.frame = tkinter.Frame(master)
-        self.vbar = tkinter.Scrollbar(self.frame)
-        self.vbar.pack(side=tkinter.constants.RIGHT, fill=tkinter.constants.Y)
+        self.frame = Tkinter.Frame(master)
+        self.vbar = Tkinter.Scrollbar(self.frame)
+        self.vbar.pack(side=Tkconstants.RIGHT, fill=Tkconstants.Y)
         kw.update({'yscrollcommand': self.vbar.set})
-        tkinter.Text.__init__(self, self.frame, **kw)
-        self.pack(side=tkinter.constants.LEFT, fill=tkinter.constants.BOTH, expand=True)
+        Tkinter.Text.__init__(self, self.frame, **kw)
+        self.pack(side=Tkconstants.LEFT, fill=Tkconstants.BOTH, expand=True)
         self.vbar['command'] = self.yview
         # Copy geometry methods of self.frame without overriding Text
         # methods = hack!
-        text_meths = list(vars(tkinter.Text).keys())
-        methods = list(vars(tkinter.Pack).keys()) + list(vars(tkinter.Grid).keys()) + list(vars(tkinter.Place).keys())
+        text_meths = vars(Tkinter.Text).keys()
+        methods = vars(Tkinter.Pack).keys() + vars(Tkinter.Grid).keys() + vars(Tkinter.Place).keys()
         methods = set(methods).difference(text_meths)
         for m in methods:
             if m[0] != '_' and m != 'config' and m != 'configure':

DeDRM_plugin/simpleprefs.py

@@ -1,5 +1,4 @@
-#!/usr/bin/env python3
-# -*- coding: utf-8 -*-
+#!/usr/bin/env python
 # vim:ts=4:sw=4:softtabstop=4:smarttab:expandtab
 
 import sys
@@ -20,7 +19,7 @@ class SimplePrefs(object):
             self.file2key[filename] = key
         self.target = target + 'Prefs'
         if sys.platform.startswith('win'):
-            import winreg
+            import _winreg as winreg
             regkey = winreg.OpenKey(winreg.HKEY_CURRENT_USER, "Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Shell Folders\\")
             path = winreg.QueryValueEx(regkey, 'Local AppData')[0]
             prefdir = path + os.sep + self.target
@@ -47,7 +46,7 @@ class SimplePrefs(object):
                     try :
                         data = file(filepath,'rb').read()
                         self.prefs[key] = data
-                    except Exception as e:
+                    except Exception, e:
                         pass
 
     def getPreferences(self):
@@ -72,7 +71,7 @@ class SimplePrefs(object):
                     else:
                         try:
                             file(filepath,'wb').write(data)
-                        except Exception as e:
+                        except Exception, e:
                             pass
         self.prefs = newprefs
         return

DeDRM_plugin/stylexml2css.py

@@ -2,7 +2,7 @@
 # vim:ts=4:sw=4:softtabstop=4:smarttab:expandtab
 # For use with Topaz Scripts Version 2.6
 
-
+from __future__ import print_function
 import csv
 import sys
 import os
@@ -15,36 +15,36 @@ debug = False
 
 class DocParser(object):
     def __init__(self, flatxml, fontsize, ph, pw):
-        self.flatdoc = flatxml.split(b'\n')
+        self.flatdoc = flatxml.split('\n')
         self.fontsize = int(fontsize)
         self.ph = int(ph) * 1.0
         self.pw = int(pw) * 1.0
 
     stags = {
-        b'paragraph' : 'p',
-        b'graphic'   : '.graphic'
+        'paragraph' : 'p',
+        'graphic'   : '.graphic'
     }
 
     attr_val_map = {
-        b'hang'            : 'text-indent: ',
-        b'indent'          : 'text-indent: ',
-        b'line-space'      : 'line-height: ',
-        b'margin-bottom'   : 'margin-bottom: ',
-        b'margin-left'     : 'margin-left: ',
-        b'margin-right'    : 'margin-right: ',
-        b'margin-top'      : 'margin-top: ',
-        b'space-after'     : 'padding-bottom: ',
+        'hang'            : 'text-indent: ',
+        'indent'          : 'text-indent: ',
+        'line-space'      : 'line-height: ',
+        'margin-bottom'   : 'margin-bottom: ',
+        'margin-left'     : 'margin-left: ',
+        'margin-right'    : 'margin-right: ',
+        'margin-top'      : 'margin-top: ',
+        'space-after'     : 'padding-bottom: ',
     }
 
     attr_str_map = {
-        b'align-center' : 'text-align: center; margin-left: auto; margin-right: auto;',
-        b'align-left'   : 'text-align: left;',
-        b'align-right'  : 'text-align: right;',
-        b'align-justify' : 'text-align: justify;',
-        b'display-inline' : 'display: inline;',
-        b'pos-left' : 'text-align: left;',
-        b'pos-right' : 'text-align: right;',
-        b'pos-center' : 'text-align: center; margin-left: auto; margin-right: auto;',
+        'align-center' : 'text-align: center; margin-left: auto; margin-right: auto;',
+        'align-left'   : 'text-align: left;',
+        'align-right'  : 'text-align: right;',
+        'align-justify' : 'text-align: justify;',
+        'display-inline' : 'display: inline;',
+        'pos-left' : 'text-align: left;',
+        'pos-right' : 'text-align: right;',
+        'pos-center' : 'text-align: center; margin-left: auto; margin-right: auto;',
     }
 
 
@@ -58,15 +58,13 @@ class DocParser(object):
         else:
             end = min(cnt,end)
         foundat = -1
-        for j in range(pos, end):
+        for j in xrange(pos, end):
             item = docList[j]
-            if item.find(b'=') >= 0:
-                (name, argres) = item.split(b'=',1)
+            if item.find('=') >= 0:
+                (name, argres) = item.split('=',1)
             else :
                 name = item
-                argres = b''
-            if (isinstance(tagpath,str)):
-                tagpath = tagpath.encode('utf-8')
+                argres = ''
             if name.endswith(tagpath) :
                 result = argres
                 foundat = j
@@ -78,7 +76,7 @@ class DocParser(object):
     def posinDoc(self, tagpath):
         startpos = []
         pos = 0
-        res = b""
+        res = ""
         while res != None :
             (foundpos, res) = self.findinDoc(tagpath, pos, -1)
             if res != None :
@@ -89,11 +87,11 @@ class DocParser(object):
     # returns a vector of integers for the tagpath
     def getData(self, tagpath, pos, end, clean=False):
         if clean:
-            digits_only = re.compile(rb'''([0-9]+)''')
+            digits_only = re.compile(r'''([0-9]+)''')
         argres=[]
         (foundat, argt) = self.findinDoc(tagpath, pos, end)
         if (argt != None) and (len(argt) > 0) :
-            argList = argt.split(b'|')
+            argList = argt.split('|')
             for strval in argList:
                 if clean:
                     m = re.search(digits_only, strval)
@@ -111,42 +109,42 @@ class DocParser(object):
         csspage += '.cl-justify { text-align: justify; }\n'
 
         # generate a list of each <style> starting point in the stylesheet
-        styleList= self.posinDoc(b'book.stylesheet.style')
+        styleList= self.posinDoc('book.stylesheet.style')
         stylecnt = len(styleList)
         styleList.append(-1)
 
         # process each style converting what you can
 
         if debug: print('          ', 'Processing styles.')
-        for j in range(stylecnt):
+        for j in xrange(stylecnt):
             if debug: print('          ', 'Processing style %d' %(j))
             start = styleList[j]
             end = styleList[j+1]
 
-            (pos, tag) = self.findinDoc(b'style._tag',start,end)
+            (pos, tag) = self.findinDoc('style._tag',start,end)
             if tag == None :
-                (pos, tag) = self.findinDoc(b'style.type',start,end)
+                (pos, tag) = self.findinDoc('style.type',start,end)
 
             # Is this something we know how to convert to css
             if tag in self.stags :
 
                 # get the style class
-                (pos, sclass) = self.findinDoc(b'style.class',start,end)
+                (pos, sclass) = self.findinDoc('style.class',start,end)
                 if sclass != None:
-                    sclass = sclass.replace(b' ',b'-')
-                    sclass = b'.cl-' + sclass.lower()
+                    sclass = sclass.replace(' ','-')
+                    sclass = '.cl-' + sclass.lower()
                 else :
-                    sclass = b''
+                    sclass = ''
 
                 if debug: print('sclass', sclass)
 
                 # check for any "after class" specifiers
-                (pos, aftclass) = self.findinDoc(b'style._after_class',start,end)
+                (pos, aftclass) = self.findinDoc('style._after_class',start,end)
                 if aftclass != None:
-                    aftclass = aftclass.replace(b' ',b'-')
-                    aftclass = b'.cl-' + aftclass.lower()
+                    aftclass = aftclass.replace(' ','-')
+                    aftclass = '.cl-' + aftclass.lower()
                 else :
-                    aftclass = b''
+                    aftclass = ''
 
                 if debug: print('aftclass', aftclass)
 
@@ -154,37 +152,34 @@ class DocParser(object):
 
                 while True :
 
-                    (pos1, attr) = self.findinDoc(b'style.rule.attr', start, end)
-                    (pos2, val) = self.findinDoc(b'style.rule.value', start, end)
+                    (pos1, attr) = self.findinDoc('style.rule.attr', start, end)
+                    (pos2, val) = self.findinDoc('style.rule.value', start, end)
 
                     if debug: print('attr', attr)
                     if debug: print('val', val)
 
                     if attr == None : break
 
-                    if (attr == b'display') or (attr == b'pos') or (attr == b'align'):
+                    if (attr == 'display') or (attr == 'pos') or (attr == 'align'):
                         # handle text based attributess
-                        attr = attr + b'-' + val
+                        attr = attr + '-' + val
                         if attr in self.attr_str_map :
-                            cssargs[attr] = (self.attr_str_map[attr], b'')
+                            cssargs[attr] = (self.attr_str_map[attr], '')
                     else :
                         # handle value based attributes
                         if attr in self.attr_val_map :
                             name = self.attr_val_map[attr]
-                            if attr in (b'margin-bottom', b'margin-top', b'space-after') :
+                            if attr in ('margin-bottom', 'margin-top', 'space-after') :
                                 scale = self.ph
-                            elif attr in (b'margin-right', b'indent', b'margin-left', b'hang') :
+                            elif attr in ('margin-right', 'indent', 'margin-left', 'hang') :
                                 scale = self.pw
-                            elif attr == b'line-space':
+                            elif attr == 'line-space':
                                 scale = self.fontsize * 2.0
-                            else:
-                                print("Scale not defined!")
-                                scale = 1.0
 
                             if val == "":
                                 val = 0
 
-                            if not ((attr == b'hang') and (int(val) == 0)):
+                            if not ((attr == 'hang') and (int(val) == 0)):
                                 try:
                                     f = float(val)
                                 except:
@@ -203,32 +198,32 @@ class DocParser(object):
                     if debug: print('keeping style')
                     # make sure line-space does not go below 100% or above 300% since
                     # it can be wacky in some styles
-                    if b'line-space' in cssargs:
-                        seg = cssargs[b'line-space'][0]
-                        val = cssargs[b'line-space'][1]
+                    if 'line-space' in cssargs:
+                        seg = cssargs['line-space'][0]
+                        val = cssargs['line-space'][1]
                         if val < 1.0: val = 1.0
                         if val > 3.0: val = 3.0
-                        del cssargs[b'line-space']
-                        cssargs[b'line-space'] = (self.attr_val_map[b'line-space'], val)
+                        del cssargs['line-space']
+                        cssargs['line-space'] = (self.attr_val_map['line-space'], val)
 
 
                     # handle modifications for css style hanging indents
-                    if b'hang' in cssargs:
-                        hseg = cssargs[b'hang'][0]
-                        hval = cssargs[b'hang'][1]
-                        del cssargs[b'hang']
-                        cssargs[b'hang'] = (self.attr_val_map[b'hang'], -hval)
+                    if 'hang' in cssargs:
+                        hseg = cssargs['hang'][0]
+                        hval = cssargs['hang'][1]
+                        del cssargs['hang']
+                        cssargs['hang'] = (self.attr_val_map['hang'], -hval)
                         mval = 0
                         mseg = 'margin-left: '
                         mval = hval
-                        if b'margin-left' in cssargs:
-                            mseg = cssargs[b'margin-left'][0]
-                            mval = cssargs[b'margin-left'][1]
+                        if 'margin-left' in cssargs:
+                            mseg = cssargs['margin-left'][0]
+                            mval = cssargs['margin-left'][1]
                             if mval < 0: mval = 0
                             mval = hval + mval
-                        cssargs[b'margin-left'] = (mseg, mval)
-                        if b'indent' in cssargs:
-                            del cssargs[b'indent']
+                        cssargs['margin-left'] = (mseg, mval)
+                        if 'indent' in cssargs:
+                            del cssargs['indent']
 
                     cssline = sclass + ' { '
                     for key in iter(cssargs):

DeDRM_plugin/topazextract.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python3
+#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
 # topazextract.py
@@ -7,9 +7,9 @@
 # Changelog
 #  4.9  - moved unicode_argv call inside main for Windows DeDRM compatibility
 #  5.0  - Fixed potential unicode problem with command line interface
-#  6.0  - Added Python 3 compatibility for calibre 5.0
 
-__version__ = '6.0'
+from __future__ import print_function
+__version__ = '5.0'
 
 import sys
 import os, csv, getopt
@@ -17,14 +17,8 @@ import zlib, zipfile, tempfile, shutil
 import traceback
 from struct import pack
 from struct import unpack
-try:
-    from calibre_plugins.dedrm.alfcrypto import Topaz_Cipher
-except:
-    from alfcrypto import Topaz_Cipher
+from alfcrypto import Topaz_Cipher
 
-# Wrap a stream so that output gets flushed immediately
-# and also make sure that any unicode strings get
-# encoded using "replace" before writing them.
 class SafeUnbuffered:
     def __init__(self, stream):
         self.stream = stream
@@ -32,11 +26,10 @@ class SafeUnbuffered:
         if self.encoding == None:
             self.encoding = "utf-8"
     def write(self, data):
-        if isinstance(data, str):
+        if isinstance(data,unicode):
             data = data.encode(self.encoding,"replace")
-        self.stream.buffer.write(data)
-        self.stream.buffer.flush()
-
+        self.stream.write(data)
+        self.stream.flush()
     def __getattr__(self, attr):
         return getattr(self.stream, attr)
 
@@ -71,13 +64,15 @@ def unicode_argv():
             # Remove Python executable and commands if present
             start = argc.value - len(sys.argv)
             return [argv[i] for i in
-                    range(start, argc.value)]
+                    xrange(start, argc.value)]
         # if we don't have any arguments at all, just pass back script name
         # this should never happen
-        return ["mobidedrm.py"]
+        return [u"mobidedrm.py"]
     else:
-        argvencoding = sys.stdin.encoding or "utf-8"
-        return [arg if isinstance(arg, str) else str(arg, argvencoding) for arg in sys.argv]
+        argvencoding = sys.stdin.encoding
+        if argvencoding == None:
+            argvencoding = 'utf-8'
+        return [arg if (type(arg) == unicode) else unicode(arg,argvencoding) for arg in sys.argv]
 
 #global switch
 debug = False
@@ -97,7 +92,7 @@ class DrmException(Exception):
 # recursive zip creation support routine
 def zipUpDir(myzip, tdir, localname):
     currentdir = tdir
-    if localname != "":
+    if localname != u"":
         currentdir = os.path.join(currentdir,localname)
     list = os.listdir(currentdir)
     for file in list:
@@ -173,21 +168,21 @@ def decryptRecord(data,PID):
 def decryptDkeyRecord(data,PID):
     record = decryptRecord(data,PID)
     fields = unpack('3sB8sB8s3s',record)
-    if fields[0] != b'PID' or fields[5] != b'pid' :
-        raise DrmException("Didn't find PID magic numbers in record")
+    if fields[0] != 'PID' or fields[5] != 'pid' :
+        raise DrmException(u"Didn't find PID magic numbers in record")
     elif fields[1] != 8 or fields[3] != 8 :
-        raise DrmException("Record didn't contain correct length fields")
+        raise DrmException(u"Record didn't contain correct length fields")
     elif fields[2] != PID :
-        raise DrmException("Record didn't contain PID")
+        raise DrmException(u"Record didn't contain PID")
     return fields[4]
 
 # Decrypt all dkey records (contain the book PID)
 def decryptDkeyRecords(data,PID):
-    nbKeyRecords = data[0]
+    nbKeyRecords = ord(data[0])
     records = []
     data = data[1:]
     for i in range (0,nbKeyRecords):
-        length = data[0]
+        length = ord(data[0])
         try:
             key = decryptDkeyRecord(data[1:length+1],PID)
             records.append(key)
@@ -195,13 +190,13 @@ def decryptDkeyRecords(data,PID):
             pass
         data = data[1+length:]
     if len(records) == 0:
-        raise DrmException("BookKey Not Found")
+        raise DrmException(u"BookKey Not Found")
     return records
 
 
 class TopazBook:
     def __init__(self, filename):
-        self.fo = open(filename, 'rb')
+        self.fo = file(filename, 'rb')
         self.outdir = tempfile.mkdtemp()
         # self.outdir = 'rawdat'
         self.bookPayloadOffset = 0
@@ -209,8 +204,8 @@ class TopazBook:
         self.bookMetadata = {}
         self.bookKey = None
         magic = unpack('4s',self.fo.read(4))[0]
-        if magic != b'TPZ0':
-            raise DrmException("Parse Error : Invalid Header, not a Topaz file")
+        if magic != 'TPZ0':
+            raise DrmException(u"Parse Error : Invalid Header, not a Topaz file")
         self.parseTopazHeaders()
         self.parseMetadata()
 
@@ -228,7 +223,7 @@ class TopazBook:
             # Read and parse one header record at the current book file position and return the associated data
             # [[offset,decompressedLength,compressedLength],...]
             if ord(self.fo.read(1)) != 0x63:
-                raise DrmException("Parse Error : Invalid Header")
+                raise DrmException(u"Parse Error : Invalid Header")
             tag = bookReadString(self.fo)
             record = bookReadHeaderRecordData()
             return [tag,record]
@@ -239,15 +234,15 @@ class TopazBook:
             if debug: print(result[0], ": ", result[1])
             self.bookHeaderRecords[result[0]] = result[1]
         if ord(self.fo.read(1))  != 0x64 :
-            raise DrmException("Parse Error : Invalid Header")
+            raise DrmException(u"Parse Error : Invalid Header")
         self.bookPayloadOffset = self.fo.tell()
 
     def parseMetadata(self):
         # Parse the metadata record from the book payload and return a list of [key,values]
-        self.fo.seek(self.bookPayloadOffset + self.bookHeaderRecords[b'metadata'][0][0])
+        self.fo.seek(self.bookPayloadOffset + self.bookHeaderRecords['metadata'][0][0])
         tag = bookReadString(self.fo)
-        if tag != b'metadata' :
-            raise DrmException("Parse Error : Record Names Don't Match")
+        if tag != 'metadata' :
+            raise DrmException(u"Parse Error : Record Names Don't Match")
         flags = ord(self.fo.read(1))
         nbRecords = ord(self.fo.read(1))
         if debug: print("Metadata Records: %d" % nbRecords)
@@ -260,18 +255,18 @@ class TopazBook:
         return self.bookMetadata
 
     def getPIDMetaInfo(self):
-        keysRecord = self.bookMetadata.get(b'keys',b'')
-        keysRecordRecord = b''
-        if keysRecord != b'':
-            keylst = keysRecord.split(b',')
+        keysRecord = self.bookMetadata.get('keys','')
+        keysRecordRecord = ''
+        if keysRecord != '':
+            keylst = keysRecord.split(',')
             for keyval in keylst:
-                keysRecordRecord += self.bookMetadata.get(keyval,b'')
+                keysRecordRecord += self.bookMetadata.get(keyval,'')
         return keysRecord, keysRecordRecord
 
     def getBookTitle(self):
-        title = b''
-        if b'Title' in self.bookMetadata:
-            title = self.bookMetadata[b'Title']
+        title = ''
+        if 'Title' in self.bookMetadata:
+            title = self.bookMetadata['Title']
         return title.decode('utf-8')
 
     def setBookKey(self, key):
@@ -323,13 +318,13 @@ class TopazBook:
         raw = 0
         fixedimage=True
         try:
-            keydata = self.getBookPayloadRecord(b'dkey', 0)
-        except DrmException as e:
-            print("no dkey record found, book may not be encrypted")
-            print("attempting to extrct files without a book key")
+            keydata = self.getBookPayloadRecord('dkey', 0)
+        except DrmException, e:
+            print(u"no dkey record found, book may not be encrypted")
+            print(u"attempting to extrct files without a book key")
             self.createBookDirectory()
             self.extractFiles()
-            print("Successfully Extracted Topaz contents")
+            print(u"Successfully Extracted Topaz contents")
             if inCalibre:
                 from calibre_plugins.dedrm import genbook
             else:
@@ -337,7 +332,7 @@ class TopazBook:
 
             rv = genbook.generateBook(self.outdir, raw, fixedimage)
             if rv == 0:
-                print("Book Successfully generated.")
+                print(u"Book Successfully generated.")
             return rv
 
         # try each pid to decode the file
@@ -345,25 +340,25 @@ class TopazBook:
         for pid in pidlst:
             # use 8 digit pids here
             pid = pid[0:8]
-            print("Trying: {0}".format(pid))
+            print(u"Trying: {0}".format(pid))
             bookKeys = []
             data = keydata
             try:
                 bookKeys+=decryptDkeyRecords(data,pid)
-            except DrmException as e:
+            except DrmException, e:
                 pass
             else:
                 bookKey = bookKeys[0]
-                print("Book Key Found! ({0})".format(bookKey.hex()))
+                print(u"Book Key Found! ({0})".format(bookKey.encode('hex')))
                 break
 
         if not bookKey:
-            raise DrmException("No key found in {0:d} keys tried. Read the FAQs at Harper's repository: https://github.com/apprenticeharper/DeDRM_tools/blob/master/FAQs.md".format(len(pidlst)))
+            raise DrmException(u"No key found in {0:d} keys tried. Read the FAQs at Harper's repository: https://github.com/apprenticeharper/DeDRM_tools/blob/master/FAQs.md".format(len(pidlst)))
 
         self.setBookKey(bookKey)
         self.createBookDirectory()
-        self.extractFiles()
-        print("Successfully Extracted Topaz contents")
+        self.extractFiles() 
+        print(u"Successfully Extracted Topaz contents")
         if inCalibre:
             from calibre_plugins.dedrm import genbook
         else:
@@ -371,7 +366,7 @@ class TopazBook:
 
         rv = genbook.generateBook(self.outdir, raw, fixedimage)
         if rv == 0:
-            print("Book Successfully generated")
+            print(u"Book Successfully generated")
         return rv
 
     def createBookDirectory(self):
@@ -379,16 +374,16 @@ class TopazBook:
         # create output directory structure
         if not os.path.exists(outdir):
             os.makedirs(outdir)
-        destdir =  os.path.join(outdir,"img")
+        destdir =  os.path.join(outdir,u"img")
         if not os.path.exists(destdir):
             os.makedirs(destdir)
-        destdir =  os.path.join(outdir,"color_img")
+        destdir =  os.path.join(outdir,u"color_img")
         if not os.path.exists(destdir):
             os.makedirs(destdir)
-        destdir =  os.path.join(outdir,"page")
+        destdir =  os.path.join(outdir,u"page")
         if not os.path.exists(destdir):
             os.makedirs(destdir)
-        destdir =  os.path.join(outdir,"glyphs")
+        destdir =  os.path.join(outdir,u"glyphs")
         if not os.path.exists(destdir):
             os.makedirs(destdir)
 
@@ -396,50 +391,50 @@ class TopazBook:
         outdir = self.outdir
         for headerRecord in self.bookHeaderRecords:
             name = headerRecord
-            if name != b'dkey':
-                ext = ".dat"
-                if name == b'img': ext = ".jpg"
-                if name == b'color' : ext = ".jpg"
-                print("Processing Section: {0}\n. . .".format(name.decode('utf-8')), end=' ')
+            if name != 'dkey':
+                ext = u".dat"
+                if name == 'img': ext = u".jpg"
+                if name == 'color' : ext = u".jpg"
+                print(u"Processing Section: {0}\n. . .".format(name), end=' ')
                 for index in range (0,len(self.bookHeaderRecords[name])) :
-                    fname = "{0}{1:04d}{2}".format(name.decode('utf-8'),index,ext)
+                    fname = u"{0}{1:04d}{2}".format(name,index,ext)
                     destdir = outdir
-                    if name == b'img':
-                        destdir =  os.path.join(outdir,"img")
-                    if name == b'color':
-                        destdir =  os.path.join(outdir,"color_img")
-                    if name == b'page':
-                        destdir =  os.path.join(outdir,"page")
-                    if name == b'glyphs':
-                        destdir =  os.path.join(outdir,"glyphs")
+                    if name == 'img':
+                        destdir =  os.path.join(outdir,u"img")
+                    if name == 'color':
+                        destdir =  os.path.join(outdir,u"color_img")
+                    if name == 'page':
+                        destdir =  os.path.join(outdir,u"page")
+                    if name == 'glyphs':
+                        destdir =  os.path.join(outdir,u"glyphs")
                     outputFile = os.path.join(destdir,fname)
-                    print(".", end=' ')
+                    print(u".", end=' ')
                     record = self.getBookPayloadRecord(name,index)
-                    if record != b'':
-                        open(outputFile, 'wb').write(record)
-                print(" ")
+                    if record != '':
+                        file(outputFile, 'wb').write(record)
+                print(u" ")
 
     def getFile(self, zipname):
         htmlzip = zipfile.ZipFile(zipname,'w',zipfile.ZIP_DEFLATED, False)
-        htmlzip.write(os.path.join(self.outdir,"book.html"),"book.html")
-        htmlzip.write(os.path.join(self.outdir,"book.opf"),"book.opf")
-        if os.path.isfile(os.path.join(self.outdir,"cover.jpg")):
-            htmlzip.write(os.path.join(self.outdir,"cover.jpg"),"cover.jpg")
-        htmlzip.write(os.path.join(self.outdir,"style.css"),"style.css")
-        zipUpDir(htmlzip, self.outdir, "img")
+        htmlzip.write(os.path.join(self.outdir,u"book.html"),u"book.html")
+        htmlzip.write(os.path.join(self.outdir,u"book.opf"),u"book.opf")
+        if os.path.isfile(os.path.join(self.outdir,u"cover.jpg")):
+            htmlzip.write(os.path.join(self.outdir,u"cover.jpg"),u"cover.jpg")
+        htmlzip.write(os.path.join(self.outdir,u"style.css"),u"style.css")
+        zipUpDir(htmlzip, self.outdir, u"img")
         htmlzip.close()
 
     def getBookType(self):
-        return "Topaz"
+        return u"Topaz"
 
     def getBookExtension(self):
-        return ".htmlz"
+        return u".htmlz"
 
     def getSVGZip(self, zipname):
         svgzip = zipfile.ZipFile(zipname,'w',zipfile.ZIP_DEFLATED, False)
-        svgzip.write(os.path.join(self.outdir,"index_svg.xhtml"),"index_svg.xhtml")
-        zipUpDir(svgzip, self.outdir, "svg")
-        zipUpDir(svgzip, self.outdir, "img")
+        svgzip.write(os.path.join(self.outdir,u"index_svg.xhtml"),u"index_svg.xhtml")
+        zipUpDir(svgzip, self.outdir, u"svg")
+        zipUpDir(svgzip, self.outdir, u"img")
         svgzip.close()
 
     def cleanup(self):
@@ -447,20 +442,20 @@ class TopazBook:
             shutil.rmtree(self.outdir, True)
 
 def usage(progname):
-    print("Removes DRM protection from Topaz ebooks and extracts the contents")
-    print("Usage:")
-    print("    {0} [-k <kindle.k4i>] [-p <comma separated PIDs>] [-s <comma separated Kindle serial numbers>] <infile> <outdir>".format(progname))
+    print(u"Removes DRM protection from Topaz ebooks and extracts the contents")
+    print(u"Usage:")
+    print(u"    {0} [-k <kindle.k4i>] [-p <comma separated PIDs>] [-s <comma separated Kindle serial numbers>] <infile> <outdir>".format(progname))
 
 # Main
 def cli_main():
     argv=unicode_argv()
     progname = os.path.basename(argv[0])
-    print("TopazExtract v{0}.".format(__version__))
+    print(u"TopazExtract v{0}.".format(__version__))
 
     try:
         opts, args = getopt.getopt(argv[1:], "k:p:s:x")
-    except getopt.GetoptError as err:
-        print("Error in options or arguments: {0}".format(err.args[0]))
+    except getopt.GetoptError, err:
+        print(u"Error in options or arguments: {0}".format(err.args[0]))
         usage(progname)
         return 1
     if len(args)<2:
@@ -470,11 +465,11 @@ def cli_main():
     infile = args[0]
     outdir = args[1]
     if not os.path.isfile(infile):
-        print("Input File {0} Does Not Exist.".format(infile))
+        print(u"Input File {0} Does Not Exist.".format(infile))
         return 1
 
     if not os.path.exists(outdir):
-        print("Output Directory {0} Does Not Exist.".format(outdir))
+        print(u"Output Directory {0} Does Not Exist.".format(outdir))
         return 1
 
     kDatabaseFiles = []
@@ -499,27 +494,27 @@ def cli_main():
 
     tb = TopazBook(infile)
     title = tb.getBookTitle()
-    print("Processing Book: {0}".format(title))
+    print(u"Processing Book: {0}".format(title))
     md1, md2 = tb.getPIDMetaInfo()
     pids.extend(kgenpids.getPidList(md1, md2, serials, kDatabaseFiles))
 
     try:
-        print("Decrypting Book")
+        print(u"Decrypting Book")
         tb.processBook(pids)
 
-        print("   Creating HTML ZIP Archive")
-        zipname = os.path.join(outdir, bookname + "_nodrm.htmlz")
+        print(u"   Creating HTML ZIP Archive")
+        zipname = os.path.join(outdir, bookname + u"_nodrm.htmlz")
         tb.getFile(zipname)
 
-        print("   Creating SVG ZIP Archive")
-        zipname = os.path.join(outdir, bookname + "_SVG.zip")
+        print(u"   Creating SVG ZIP Archive")
+        zipname = os.path.join(outdir, bookname + u"_SVG.zip")
         tb.getSVGZip(zipname)
 
         # removing internal temporary directory of pieces
         tb.cleanup()
 
-    except DrmException as e:
-        print("Decryption failed\n{0}".format(traceback.format_exc()))
+    except DrmException, e:
+        print(u"Decryption failed\n{0}".format(traceback.format_exc()))
 
         try:
             tb.cleanup()
@@ -527,8 +522,8 @@ def cli_main():
             pass
         return 1
 
-    except Exception as e:
-        print("Decryption failed\n{0}".format(traceback.format_exc()))
+    except Exception, e:
+        print(u"Decryption failed\m{0}".format(traceback.format_exc()))
         try:
             tb.cleanup()
         except:

DeDRM_plugin/utilities.py

@@ -1,7 +1,9 @@
-#!/usr/bin/env python3
+#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
-from calibre_plugins.dedrm.ignoblekeygen import generate_key
+from __future__ import with_statement
+
+from ignoblekeygen import generate_key
 
 __license__ = 'GPL v3'
 
@@ -19,8 +21,8 @@ DETAILED_MESSAGE = \
 
 def uStrCmp (s1, s2, caseless=False):
     import unicodedata as ud
-    str1 = s1 if isinstance(s1, str) else str(s1)
-    str2 = s2 if isinstance(s2, str) else str(s2)
+    str1 = s1 if isinstance(s1, unicode) else unicode(s1)
+    str2 = s2 if isinstance(s2, unicode) else unicode(s2)
     if caseless:
         return ud.normalize('NFC', str1.lower()) == ud.normalize('NFC', str2.lower())
     else:

DeDRM_plugin/wineutils.py

@@ -1,95 +1,59 @@
-#!/usr/bin/env python3
+#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
+from __future__ import with_statement
+from __future__ import print_function
+
 __license__ = 'GPL v3'
 
 # Standard Python modules.
 import os, sys, re, hashlib, traceback
 from calibre_plugins.dedrm.__init__ import PLUGIN_NAME, PLUGIN_VERSION
 
-
-class NoWinePython3Exception(Exception):
-    pass
-
-
-class WinePythonCLI:
-    py3_test = "import sys; sys.exit(0 if (sys.version_info.major==3) else 1)"
-    def __init__(self, wineprefix=""):
-        import subprocess
-
-        if wineprefix != "":
-            wineprefix = os.path.abspath(os.path.expanduser(os.path.expandvars(wineprefix)))
-
-        if wineprefix != "" and os.path.exists(wineprefix):
-            self.wineprefix = wineprefix
-        else:
-            self.wineprefix = None
-
-        candidate_execs = [
-            ["wine", "py.exe", "-3"],
-            ["wine", "python3.exe"],
-            ["wine", "python.exe"],
-            ["wine", "C:\\Python27\\python.exe"], # Should likely be removed
-        ]
-        for e in candidate_execs:
-            self.python_exec = e
-            try:
-                self.check_call(["-c", self.py3_test])
-                print("{0} v{1}: Python3 exec found as {2}".format(
-                    PLUGIN_NAME, PLUGIN_VERSION, " ".join(self.python_exec)
-                ))
-                return None
-            except subprocess.CalledProcessError as e:
-                if e.returncode == 1:
-                    print("{0} v{1}: {2} is not python3".format(
-                        PLUGIN_NAME, PLUGIN_VERSION, " ".join(self.python_exec)
-                    ))
-                elif e.returncode == 53:
-                    print("{0} v{1}: {2} does not exist".format(
-                        PLUGIN_NAME, PLUGIN_VERSION, " ".join(self.python_exec)
-                    ))
-        raise NoWinePython3Exception("Could not find python3 executable on specified wine prefix")
-
-
-    def check_call(self, cli_args):
-        import subprocess
-
-        env_dict = os.environ
-        env_dict["PYTHONPATH"] = ""
-        if self.wineprefix is not None:
-            env_dict["WINEPREFIX"] = self.wineprefix
-
-        subprocess.check_call(self.python_exec + cli_args, env=env_dict,
-                              stdin=None, stdout=sys.stdout,
-                              stderr=subprocess.STDOUT, close_fds=False,
-                              bufsize=1)
-
-
 def WineGetKeys(scriptpath, extension, wineprefix=""):
+    import subprocess
+    from subprocess import Popen, PIPE, STDOUT
 
-    if extension == ".k4i":
+    import subasyncio
+    from subasyncio import Process
+
+    if extension == u".k4i":
         import json
 
-    try:
-        pyexec = WinePythonCLI(wineprefix)
-    except NoWinePython3Exception:
-        print('{0} v{1}: Unable to find python3 executable in WINEPREFIX="{2}"'.format(PLUGIN_NAME, PLUGIN_VERSION, wineprefix))
-        return []
-
     basepath, script = os.path.split(scriptpath)
-    print("{0} v{1}: Running {2} under Wine".format(PLUGIN_NAME, PLUGIN_VERSION, script))
+    print(u"{0} v{1}: Running {2} under Wine".format(PLUGIN_NAME, PLUGIN_VERSION, script))
 
-    outdirpath = os.path.join(basepath, "winekeysdir")
+    outdirpath = os.path.join(basepath, u"winekeysdir")
     if not os.path.exists(outdirpath):
         os.makedirs(outdirpath)
 
     if wineprefix != "":
         wineprefix = os.path.abspath(os.path.expanduser(os.path.expandvars(wineprefix)))
 
+    if wineprefix != "" and os.path.exists(wineprefix):
+         cmdline = u"WINEPREFIX=\"{2}\" wine python.exe \"{0}\" \"{1}\"".format(scriptpath,outdirpath,wineprefix)
+    else:
+        cmdline = u"wine python.exe \"{0}\" \"{1}\"".format(scriptpath,outdirpath)
+    print(u"{0} v{1}: Command line: '{2}'".format(PLUGIN_NAME, PLUGIN_VERSION, cmdline))
+
     try:
-        result = pyexec.check_call([scriptpath, outdirpath])
-    except Exception as e:
-        print("{0} v{1}: Wine subprocess call error: {2}".format(PLUGIN_NAME, PLUGIN_VERSION, e.args[0]))
+        cmdline = cmdline.encode(sys.getfilesystemencoding())
+        p2 = Process(cmdline, shell=True, bufsize=1, stdin=None, stdout=sys.stdout, stderr=STDOUT, close_fds=False)
+        result = p2.wait("wait")
+    except Exception, e:
+        print(u"{0} v{1}: Wine subprocess call error: {2}".format(PLUGIN_NAME, PLUGIN_VERSION, e.args[0]))
+        if wineprefix != "" and os.path.exists(wineprefix):
+            cmdline = u"WINEPREFIX=\"{2}\" wine C:\\Python27\\python.exe \"{0}\" \"{1}\"".format(scriptpath,outdirpath,wineprefix)
+        else:
+           cmdline = u"wine C:\\Python27\\python.exe \"{0}\" \"{1}\"".format(scriptpath,outdirpath)
+        print(u"{0} v{1}: Command line: “{2}”".format(PLUGIN_NAME, PLUGIN_VERSION, cmdline))
+
+        try:
+           cmdline = cmdline.encode(sys.getfilesystemencoding())
+           p2 = Process(cmdline, shell=True, bufsize=1, stdin=None, stdout=sys.stdout, stderr=STDOUT, close_fds=False)
+           result = p2.wait("wait")
+        except Exception, e:
+           print(u"{0} v{1}: Wine subprocess call error: {2}".format(PLUGIN_NAME, PLUGIN_VERSION, e.args[0]))
 
     # try finding winekeys anyway, even if above code errored
     winekeys = []
@@ -99,14 +63,14 @@ def WineGetKeys(scriptpath, extension, wineprefix=""):
         try:
             fpath = os.path.join(outdirpath, filename)
             with open(fpath, 'rb') as keyfile:
-                if extension == ".k4i":
+                if extension == u".k4i":
                     new_key_value = json.loads(keyfile.read())
                 else:
                     new_key_value = keyfile.read()
             winekeys.append(new_key_value)
         except:
-            print("{0} v{1}: Error loading file {2}".format(PLUGIN_NAME, PLUGIN_VERSION, filename))
+            print(u"{0} v{1}: Error loading file {2}".format(PLUGIN_NAME, PLUGIN_VERSION, filename))
             traceback.print_exc()
         os.remove(fpath)
-    print("{0} v{1}: Found and decrypted {2} {3}".format(PLUGIN_NAME, PLUGIN_VERSION, len(winekeys), "key file" if len(winekeys) == 1 else "key files"))
+    print(u"{0} v{1}: Found and decrypted {2} {3}".format(PLUGIN_NAME, PLUGIN_VERSION, len(winekeys), u"key file" if len(winekeys) == 1 else u"key files"))
     return winekeys

DeDRM_plugin/zipfilerugged.py

@@ -1,16 +1,11 @@
-#!/usr/bin/env python3
-# -*- coding: utf-8 -*-
-
 """
 Read and write ZIP files.
 """
 import struct, os, time, sys, shutil
-import binascii, stat
+import binascii, cStringIO, stat
 import io
 import re
 
-from io import BytesIO
-
 try:
     import zlib # We may need its compression method
     crc32 = zlib.crc32
@@ -50,8 +45,8 @@ ZIP_DEFLATED = 8
 
 # The "end of central directory" structure, magic number, size, and indices
 # (section V.I in the format document)
-structEndArchive = b"<4s4H2LH"
-stringEndArchive = b"PK\005\006"
+structEndArchive = "<4s4H2LH"
+stringEndArchive = "PK\005\006"
 sizeEndCentDir = struct.calcsize(structEndArchive)
 
 _ECD_SIGNATURE = 0
@@ -69,8 +64,8 @@ _ECD_LOCATION = 9
 
 # The "central directory" structure, magic number, size, and indices
 # of entries in the structure (section V.F in the format document)
-structCentralDir = b"<4s4B4HL2L5H2L"
-stringCentralDir = b"PK\001\002"
+structCentralDir = "<4s4B4HL2L5H2L"
+stringCentralDir = "PK\001\002"
 sizeCentralDir = struct.calcsize(structCentralDir)
 
 # indexes of entries in the central directory structure
@@ -96,8 +91,8 @@ _CD_LOCAL_HEADER_OFFSET = 18
 
 # The "local file header" structure, magic number, size, and indices
 # (section V.A in the format document)
-structFileHeader = b"<4s2B4HL2L2H"
-stringFileHeader = b"PK\003\004"
+structFileHeader = "<4s2B4HL2L2H"
+stringFileHeader = "PK\003\004"
 sizeFileHeader = struct.calcsize(structFileHeader)
 
 _FH_SIGNATURE = 0
@@ -114,14 +109,14 @@ _FH_FILENAME_LENGTH = 10
 _FH_EXTRA_FIELD_LENGTH = 11
 
 # The "Zip64 end of central directory locator" structure, magic number, and size
-structEndArchive64Locator = b"<4sLQL"
-stringEndArchive64Locator = b"PK\x06\x07"
+structEndArchive64Locator = "<4sLQL"
+stringEndArchive64Locator = "PK\x06\x07"
 sizeEndCentDir64Locator = struct.calcsize(structEndArchive64Locator)
 
 # The "Zip64 end of central directory" record, magic number, size, and indices
 # (section V.G in the format document)
-structEndArchive64 = b"<4sQ2H2L4Q"
-stringEndArchive64 = b"PK\x06\x06"
+structEndArchive64 = "<4sQ2H2L4Q"
+stringEndArchive64 = "PK\x06\x06"
 sizeEndCentDir64 = struct.calcsize(structEndArchive64)
 
 _CD64_SIGNATURE = 0
@@ -280,21 +275,21 @@ class ZipInfo (object):
 
         # Terminate the file name at the first null byte.  Null bytes in file
         # names are used as tricks by viruses in archives.
-        null_byte = filename.find(b"\0")
+        null_byte = filename.find(chr(0))
         if null_byte >= 0:
             filename = filename[0:null_byte]
         # This is used to ensure paths in generated ZIP files always use
         # forward slashes as the directory separator, as required by the
         # ZIP format specification.
-        if os.sep != "/" and os.sep.encode('utf-8') in filename:
-            filename = filename.replace(os.sep.encode('utf-8'), b"/")
+        if os.sep != "/" and os.sep in filename:
+            filename = filename.replace(os.sep, "/")
 
         self.filename = filename        # Normalized file name
         self.date_time = date_time      # year, month, day, hour, min, sec
         # Standard values:
         self.compress_type = ZIP_STORED # Type of compression for the file
-        self.comment = b""               # Comment for each file
-        self.extra = b""                 # ZIP extra data
+        self.comment = ""               # Comment for each file
+        self.extra = ""                 # ZIP extra data
         if sys.platform == 'win32':
             self.create_system = 0          # System which created ZIP archive
         else:
@@ -348,13 +343,23 @@ class ZipInfo (object):
         return header + filename + extra
 
     def _encodeFilenameFlags(self):
-        if isinstance(self.filename, bytes):
-            return self.filename, self.flag_bits
-        else:
+        if isinstance(self.filename, unicode):
             try:
                 return self.filename.encode('ascii'), self.flag_bits
             except UnicodeEncodeError:
                 return self.filename.encode('utf-8'), self.flag_bits | 0x800
+        else:
+            return self.filename, self.flag_bits
+
+    def _decodeFilename(self):
+        if self.flag_bits & 0x800:
+            try:
+                #print "decoding filename",self.filename
+                return self.filename.decode('utf-8')
+            except:
+                return self.filename
+        else:
+            return self.filename
 
     def _decodeExtra(self):
         # Try to decode the extra field.
@@ -372,20 +377,20 @@ class ZipInfo (object):
                 elif ln == 0:
                     counts = ()
                 else:
-                    raise RuntimeError("Corrupt extra field %s"%(ln,))
+                    raise RuntimeError, "Corrupt extra field %s"%(ln,)
 
                 idx = 0
 
                 # ZIP64 extension (large files and/or large archives)
-                if self.file_size in (0xffffffffffffffff, 0xffffffff):
+                if self.file_size in (0xffffffffffffffffL, 0xffffffffL):
                     self.file_size = counts[idx]
                     idx += 1
 
-                if self.compress_size == 0xFFFFFFFF:
+                if self.compress_size == 0xFFFFFFFFL:
                     self.compress_size = counts[idx]
                     idx += 1
 
-                if self.header_offset == 0xffffffff:
+                if self.header_offset == 0xffffffffL:
                     old = self.header_offset
                     self.header_offset = counts[idx]
                     idx+=1
@@ -476,9 +481,9 @@ class ZipExtFile(io.BufferedIOBase):
 
         if self._compress_type == ZIP_DEFLATED:
             self._decompressor = zlib.decompressobj(-15)
-        self._unconsumed = b''
+        self._unconsumed = ''
 
-        self._readbuffer = b''
+        self._readbuffer = ''
         self._offset = 0
 
         self._universal = 'U' in mode
@@ -509,10 +514,10 @@ class ZipExtFile(io.BufferedIOBase):
         if not self._universal:
             return io.BufferedIOBase.readline(self, limit)
 
-        line = b''
+        line = ''
         while limit < 0 or len(line) < limit:
             readahead = self.peek(2)
-            if readahead == b'':
+            if readahead == '':
                 return line
 
             #
@@ -559,7 +564,7 @@ class ZipExtFile(io.BufferedIOBase):
         If the argument is omitted, None, or negative, data is read and returned until EOF is reached..
         """
 
-        buf = b''
+        buf = ''
         while n < 0 or n is None or n > len(buf):
             data = self.read1(n)
             if len(data) == 0:
@@ -589,7 +594,7 @@ class ZipExtFile(io.BufferedIOBase):
             self._compress_left -= len(data)
 
             if data and self._decrypter is not None:
-                data = b''.join(map(self._decrypter, data))
+                data = ''.join(map(self._decrypter, data))
 
             if self._compress_type == ZIP_STORED:
                 self._readbuffer = self._readbuffer[self._offset:] + data
@@ -646,10 +651,10 @@ class ZipFile:
             pass
         elif compression == ZIP_DEFLATED:
             if not zlib:
-                raise RuntimeError(
-                      "Compression requires the (missing) zlib module")
+                raise RuntimeError,\
+                      "Compression requires the (missing) zlib module"
         else:
-            raise RuntimeError("That compression method is not supported")
+            raise RuntimeError, "That compression method is not supported"
 
         self._allowZip64 = allowZip64
         self._didModify = False
@@ -659,10 +664,10 @@ class ZipFile:
         self.compression = compression  # Method of compression
         self.mode = key = mode.replace('b', '')[0]
         self.pwd = None
-        self.comment = b''
+        self.comment = ''
 
         # Check if we were passed a file-like object
-        if isinstance(file, str):
+        if isinstance(file, basestring):
             self._filePassed = 0
             self.filename = file
             modeDict = {'r' : 'rb', 'w': 'wb', 'a' : 'r+b'}
@@ -694,7 +699,7 @@ class ZipFile:
             if not self._filePassed:
                 self.fp.close()
                 self.fp = None
-            raise RuntimeError('Mode must be "r", "w" or "a"')
+            raise RuntimeError, 'Mode must be "r", "w" or "a"'
 
     def __enter__(self):
         return self
@@ -718,9 +723,9 @@ class ZipFile:
         fp = self.fp
         endrec = _EndRecData(fp)
         if not endrec:
-            raise BadZipfile("File is not a zip file")
+            raise BadZipfile, "File is not a zip file"
         if self.debug > 1:
-            print(endrec)
+            print endrec
         size_cd = endrec[_ECD_SIZE]             # bytes in central directory
         offset_cd = endrec[_ECD_OFFSET]         # offset of central directory
         self.comment = endrec[_ECD_COMMENT]     # archive comment
@@ -733,20 +738,20 @@ class ZipFile:
 
         if self.debug > 2:
             inferred = concat + offset_cd
-            print("given, inferred, offset", offset_cd, inferred, concat)
+            print "given, inferred, offset", offset_cd, inferred, concat
         # self.start_dir:  Position of start of central directory
         self.start_dir = offset_cd + concat
         fp.seek(self.start_dir, 0)
         data = fp.read(size_cd)
-        fp = BytesIO(data)
+        fp = cStringIO.StringIO(data)
         total = 0
         while total < size_cd:
             centdir = fp.read(sizeCentralDir)
             if centdir[0:4] != stringCentralDir:
-                raise BadZipfile("Bad magic number for central directory")
+                raise BadZipfile, "Bad magic number for central directory"
             centdir = struct.unpack(structCentralDir, centdir)
             if self.debug > 2:
-                print(centdir)
+                print centdir
             filename = fp.read(centdir[_CD_FILENAME_LENGTH])
             # Create ZipInfo instance to store file information
             x = ZipInfo(filename)
@@ -764,6 +769,7 @@ class ZipFile:
 
             x._decodeExtra()
             x.header_offset = x.header_offset + concat
+            x.filename = x._decodeFilename()
             self.filelist.append(x)
             self.NameToInfo[x.filename] = x
 
@@ -773,7 +779,7 @@ class ZipFile:
                      + centdir[_CD_COMMENT_LENGTH])
 
             if self.debug > 2:
-                print("total", total)
+                print "total", total
 
 
     def namelist(self):
@@ -790,10 +796,10 @@ class ZipFile:
 
     def printdir(self):
         """Print a table of contents for the zip file."""
-        print("%-46s %19s %12s" % ("File Name", "Modified    ", "Size"))
+        print "%-46s %19s %12s" % ("File Name", "Modified    ", "Size")
         for zinfo in self.filelist:
             date = "%d-%02d-%02d %02d:%02d:%02d" % zinfo.date_time[:6]
-            print("%-46s %s %12d" % (zinfo.filename, date, zinfo.file_size))
+            print "%-46s %s %12d" % (zinfo.filename, date, zinfo.file_size)
 
     def testzip(self):
         """Read all the files and check the CRC."""
@@ -827,11 +833,11 @@ class ZipFile:
 
     def open(self, name, mode="r", pwd=None):
         """Return file-like object for 'name'."""
-        if mode not in ("r", "", "rU"):
-            raise RuntimeError('open() requires mode "r", "", or "rU"')
+        if mode not in ("r", "U", "rU"):
+            raise RuntimeError, 'open() requires mode "r", "U", or "rU"'
         if not self.fp:
-            raise RuntimeError(
-                  "Attempt to read ZIP archive that was already closed")
+            raise RuntimeError, \
+                  "Attempt to read ZIP archive that was already closed"
 
         # Only open a new file for instances where we were not
         # given a file object in the constructor
@@ -853,7 +859,7 @@ class ZipFile:
         # Skip the file header:
         fheader = zef_file.read(sizeFileHeader)
         if fheader[0:4] != stringFileHeader:
-            raise BadZipfile("Bad magic number for file header")
+            raise BadZipfile, "Bad magic number for file header"
 
         fheader = struct.unpack(structFileHeader, fheader)
         fname = zef_file.read(fheader[_FH_FILENAME_LENGTH])
@@ -861,9 +867,9 @@ class ZipFile:
             zef_file.read(fheader[_FH_EXTRA_FIELD_LENGTH])
 
         if fname != zinfo.orig_filename:
-            raise BadZipfile(
+            raise BadZipfile, \
                       'File name in directory "%s" and header "%s" differ.' % (
-                          zinfo.orig_filename, fname))
+                          zinfo.orig_filename, fname)
 
         # check for encrypted flag & handle password
         is_encrypted = zinfo.flag_bits & 0x1
@@ -872,8 +878,8 @@ class ZipFile:
             if not pwd:
                 pwd = self.pwd
             if not pwd:
-                raise RuntimeError("File %s is encrypted, " \
-                      "password required for extraction" % name)
+                raise RuntimeError, "File %s is encrypted, " \
+                      "password required for extraction" % name
 
             zd = _ZipDecrypter(pwd)
             # The first 12 bytes in the cypher stream is an encryption header
@@ -950,7 +956,7 @@ class ZipFile:
             return targetpath
 
         source = self.open(member, pwd=pwd)
-        target = open(targetpath, "wb")
+        target = file(targetpath, "wb")
         shutil.copyfileobj(source, target)
         source.close()
         target.close()
@@ -961,18 +967,18 @@ class ZipFile:
         """Check for errors before writing a file to the archive."""
         if zinfo.filename in self.NameToInfo:
             if self.debug:      # Warning for duplicate names
-                print("Duplicate name:", zinfo.filename)
+                print "Duplicate name:", zinfo.filename
         if self.mode not in ("w", "a"):
-            raise RuntimeError('write() requires mode "w" or "a"')
+            raise RuntimeError, 'write() requires mode "w" or "a"'
         if not self.fp:
-            raise RuntimeError(
-                  "Attempt to write ZIP archive that was already closed")
+            raise RuntimeError, \
+                  "Attempt to write ZIP archive that was already closed"
         if zinfo.compress_type == ZIP_DEFLATED and not zlib:
-            raise RuntimeError(
-                  "Compression requires the (missing) zlib module")
+            raise RuntimeError, \
+                  "Compression requires the (missing) zlib module"
         if zinfo.compress_type not in (ZIP_STORED, ZIP_DEFLATED):
-            raise RuntimeError(
-                  "That compression method is not supported")
+            raise RuntimeError, \
+                  "That compression method is not supported"
         if zinfo.file_size > ZIP64_LIMIT:
             if not self._allowZip64:
                 raise LargeZipFile("Filesize would require ZIP64 extensions")
@@ -1000,7 +1006,7 @@ class ZipFile:
         if isdir:
             arcname += '/'
         zinfo = ZipInfo(arcname, date_time)
-        zinfo.external_attr = (st[0] & 0xFFFF) << 16      # Unix attributes
+        zinfo.external_attr = (st[0] & 0xFFFF) << 16L      # Unix attributes
         if compress_type is None:
             zinfo.compress_type = self.compression
         else:
@@ -1070,7 +1076,7 @@ class ZipFile:
                             date_time=time.localtime(time.time())[:6])
 
             zinfo.compress_type = self.compression
-            zinfo.external_attr = 0x0600 << 16
+            zinfo.external_attr = 0600 << 16
         else:
             zinfo = zinfo_or_arcname
 
@@ -1135,7 +1141,7 @@ class ZipFile:
 
                 if zinfo.header_offset > ZIP64_LIMIT:
                     extra.append(zinfo.header_offset)
-                    header_offset = 0xffffffff
+                    header_offset = 0xffffffffL
                 else:
                     header_offset = zinfo.header_offset
 
@@ -1163,14 +1169,14 @@ class ZipFile:
                      0, zinfo.internal_attr, zinfo.external_attr,
                      header_offset)
                 except DeprecationWarning:
-                    print(structCentralDir,
+                    print >>sys.stderr, (structCentralDir,
                      stringCentralDir, create_version,
                      zinfo.create_system, extract_version, zinfo.reserved,
                      zinfo.flag_bits, zinfo.compress_type, dostime, dosdate,
                      zinfo.CRC, compress_size, file_size,
                      len(zinfo.filename), len(extra_data), len(zinfo.comment),
                      0, zinfo.internal_attr, zinfo.external_attr,
-                     header_offset, sys.stderr)
+                     header_offset)
                     raise
                 self.fp.write(centdir)
                 self.fp.write(filename)
@@ -1244,10 +1250,10 @@ class PyZipFile(ZipFile):
                 else:
                     basename = name
                 if self.debug:
-                    print("Adding package in", pathname, "as", basename)
+                    print "Adding package in", pathname, "as", basename
                 fname, arcname = self._get_codename(initname[0:-3], basename)
                 if self.debug:
-                    print("Adding", arcname)
+                    print "Adding", arcname
                 self.write(fname, arcname)
                 dirlist = os.listdir(pathname)
                 dirlist.remove("__init__.py")
@@ -1263,12 +1269,12 @@ class PyZipFile(ZipFile):
                         fname, arcname = self._get_codename(path[0:-3],
                                          basename)
                         if self.debug:
-                            print("Adding", arcname)
+                            print "Adding", arcname
                         self.write(fname, arcname)
             else:
                 # This is NOT a package directory, add its files at top level
                 if self.debug:
-                    print("Adding files from directory", pathname)
+                    print "Adding files from directory", pathname
                 for filename in os.listdir(pathname):
                     path = os.path.join(pathname, filename)
                     root, ext = os.path.splitext(filename)
@@ -1276,15 +1282,15 @@ class PyZipFile(ZipFile):
                         fname, arcname = self._get_codename(path[0:-3],
                                          basename)
                         if self.debug:
-                            print("Adding", arcname)
+                            print "Adding", arcname
                         self.write(fname, arcname)
         else:
             if pathname[-3:] != ".py":
-                raise RuntimeError(
-                      'Files added with writepy() must end with ".py"')
+                raise RuntimeError, \
+                      'Files added with writepy() must end with ".py"'
             fname, arcname = self._get_codename(pathname[0:-3], basename)
             if self.debug:
-                print("Adding file", arcname)
+                print "Adding file", arcname
             self.write(fname, arcname)
 
     def _get_codename(self, pathname, basename):
@@ -1304,11 +1310,11 @@ class PyZipFile(ZipFile):
              os.stat(file_pyc).st_mtime < os.stat(file_py).st_mtime:
             import py_compile
             if self.debug:
-                print("Compiling", file_py)
+                print "Compiling", file_py
             try:
                 py_compile.compile(file_py, file_pyc, None, True)
-            except py_compile.PyCompileError as err:
-                print(err.msg)
+            except py_compile.PyCompileError,err:
+                print err.msg
             fname = file_pyc
         else:
             fname = file_pyc
@@ -1331,12 +1337,12 @@ def main(args = None):
         args = sys.argv[1:]
 
     if not args or args[0] not in ('-l', '-c', '-e', '-t'):
-        print(USAGE)
+        print USAGE
         sys.exit(1)
 
     if args[0] == '-l':
         if len(args) != 2:
-            print(USAGE)
+            print USAGE
             sys.exit(1)
         zf = ZipFile(args[1], 'r')
         zf.printdir()
@@ -1344,15 +1350,15 @@ def main(args = None):
 
     elif args[0] == '-t':
         if len(args) != 2:
-            print(USAGE)
+            print USAGE
             sys.exit(1)
         zf = ZipFile(args[1], 'r')
         zf.testzip()
-        print("Done testing")
+        print "Done testing"
 
     elif args[0] == '-e':
         if len(args) != 3:
-            print(USAGE)
+            print USAGE
             sys.exit(1)
 
         zf = ZipFile(args[1], 'r')
@@ -1372,7 +1378,7 @@ def main(args = None):
 
     elif args[0] == '-c':
         if len(args) < 3:
-            print(USAGE)
+            print USAGE
             sys.exit(1)
 
         def addToZip(zf, path, zippath):

DeDRM_plugin/zipfix.py

@@ -1,8 +1,8 @@
-#!/usr/bin/env python3
+#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
-# zipfix.py
-# Copyright © 2010-2020 by Apprentice Harper et al.
+# zipfix.py, version 1.1
+# Copyright © 2010-2013 by some_updates, DiapDealer and Apprentice Alf
 
 # Released under the terms of the GNU General Public Licence, version 3
 # <http://www.gnu.org/licenses/>
@@ -10,22 +10,18 @@
 # Revision history:
 #   1.0 - Initial release
 #   1.1 - Updated to handle zip file metadata correctly
-#   2.0 - Python 3 for calibre 5.0
 
 """
 Re-write zip (or ePub) fixing problems with file names (and mimetype entry).
 """
-
+from __future__ import print_function
 
 __license__ = 'GPL v3'
 __version__ = "1.1"
 
 import sys
 import zlib
-try:
-    import zipfilerugged
-except:
-    import calibre_plugins.dedrm.zipfilerugged as zipfilerugged
+import zipfilerugged
 import os
 import os.path
 import getopt
@@ -53,7 +49,7 @@ class fixZip:
         self.inzip = zipfilerugged.ZipFile(zinput,'r')
         self.outzip = zipfilerugged.ZipFile(zoutput,'w')
         # open the input zip for reading only as a raw file
-        self.bzf = open(zinput,'rb')
+        self.bzf = file(zinput,'rb')
 
     def getlocalname(self, zi):
         local_header_offset = zi.header_offset
@@ -119,7 +115,7 @@ class fixZip:
         # if epub write mimetype file first, with no compression
         if self.ztype == 'epub':
             # first get a ZipInfo with current time and no compression
-            mimeinfo = ZipInfo(b'mimetype',compress_type=zipfilerugged.ZIP_STORED)
+            mimeinfo = ZipInfo('mimetype',compress_type=zipfilerugged.ZIP_STORED)
             mimeinfo.internal_attr = 1 # text file
             try:
                 # if the mimetype is present, get its info, including time-stamp
@@ -133,7 +129,7 @@ class fixZip:
                 mimeinfo.create_system = oldmimeinfo.create_system
             except:
                 pass
-            self.outzip.writestr(mimeinfo, _MIMETYPE.encode('ascii'))
+            self.outzip.writestr(mimeinfo, _MIMETYPE)
 
         # write the rest of the files
         for zinfo in self.inzip.infolist():
@@ -175,7 +171,7 @@ def repairBook(infile, outfile):
         fr = fixZip(infile, outfile)
         fr.fix()
         return 0
-    except Exception as e:
+    except Exception, e:
         print("Error Occurred ", e)
         return 2
 

Obok_plugin/action.py

@@ -1,19 +1,18 @@
-#!/usr/bin/env python3
-# -*- coding: utf-8 -*-
 # vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:ai
+from __future__ import (unicode_literals, division, absolute_import,
+                        print_function)
 
-_license__   = 'GPL v3'
+__license__   = 'GPL v3'
 __docformat__ = 'restructuredtext en'
 
 
-import codecs
 import os, traceback, zipfile
 
 try:
     from PyQt5.Qt import QToolButton, QUrl
 except ImportError:
     from PyQt4.Qt import QToolButton, QUrl
-
+ 
 from calibre.gui2 import open_url, question_dialog
 from calibre.gui2.actions import InterfaceAction
 from calibre.utils.config import config_dir
@@ -25,7 +24,7 @@ from calibre.ebooks.metadata.meta import get_metadata
 from calibre_plugins.obok_dedrm.dialogs import (SelectionDialog, DecryptAddProgressDialog,
                                                 AddEpubFormatsProgressDialog, ResultsSummaryDialog)
 from calibre_plugins.obok_dedrm.config import plugin_prefs as cfg
-from calibre_plugins.obok_dedrm.__init__ import (PLUGIN_NAME, PLUGIN_SAFE_NAME,
+from calibre_plugins.obok_dedrm.__init__ import (PLUGIN_NAME, PLUGIN_SAFE_NAME, 
                                 PLUGIN_VERSION, PLUGIN_DESCRIPTION, HELPFILE_NAME)
 from calibre_plugins.obok_dedrm.utilities import (
                             get_icon, set_plugin_icon_resources, showErrorDlg, format_plural,
@@ -54,7 +53,7 @@ class InterfacePluginAction(InterfaceAction):
     def genesis(self):
         icon_resources = self.load_resources(PLUGIN_ICONS)
         set_plugin_icon_resources(PLUGIN_NAME, icon_resources)
-
+        
         self.qaction.setIcon(get_icon(PLUGIN_ICONS[0]))
         self.qaction.triggered.connect(self.launchObok)
         self.gui.keyboard.finalize()
@@ -107,10 +106,10 @@ class InterfacePluginAction(InterfaceAction):
         # Get a list of Kobo titles
         books = self.build_book_list()
         if len(books) < 1:
-            msg = _('<p>No books found in Kobo Library\nAre you sure it\'s installed/configured/synchronized?')
+            msg = _('<p>No books found in Kobo Library\nAre you sure it\'s installed\configured\synchronized?')
             showErrorDlg(msg, None)
             return
-
+        
         # Check to see if a key can be retrieved using the legacy obok method.
         legacy_key = legacy_obok().get_legacy_cookie_id
         if legacy_key is not None:
@@ -155,7 +154,7 @@ class InterfacePluginAction(InterfaceAction):
         # Close Kobo Library object
         self.library.close()
 
-        # If we have decrypted books to work with, feed the list of decrypted books details
+        # If we have decrypted books to work with, feed the list of decrypted books details 
         # and the callback function (self.add_new_books) to the ProgressDialog dispatcher.
         if len(self.books_to_add):
             d = DecryptAddProgressDialog(self.gui, self.books_to_add, self.add_new_books, self.db, 'calibre',
@@ -213,7 +212,7 @@ class InterfacePluginAction(InterfaceAction):
     def get_decrypted_kobo_books(self, book):
         '''
         This method is a call-back function used by DecryptAddProgressDialog in dialogs.py to decrypt Kobo books
-
+        
         :param book: A KoboBook object that is to be decrypted.
         '''
         print (_('{0} - Decrypting {1}').format(PLUGIN_NAME + ' v' + PLUGIN_VERSION, book.title))
@@ -234,7 +233,7 @@ class InterfacePluginAction(InterfaceAction):
         '''
         This method is a call-back function used by DecryptAddProgressDialog in dialogs.py to add books to calibre
         (It's set up to handle multiple books, but will only be fed books one at a time by DecryptAddProgressDialog)
-
+        
         :param books_to_add: List of calibre bookmaps (created in get_decrypted_kobo_books)
         '''
         added = self.db.add_books(books_to_add, add_duplicates=False, run_hooks=False)
@@ -254,7 +253,7 @@ class InterfacePluginAction(InterfaceAction):
     def add_epub_format(self, book_id, mi, path):
         '''
         This method is a call-back function used by AddEpubFormatsProgressDialog in dialogs.py
-
+        
         :param book_id: calibre ID of the book to add the encrypted epub to.
         :param mi: calibre metadata object
         :param path: path to the decrypted epub (temp file)
@@ -282,7 +281,7 @@ class InterfacePluginAction(InterfaceAction):
                 self.formats_to_add.append((home_id, mi, tmp_file))
             else:
                 self.no_home_for_book.append(mi)
-        # If we found homes for decrypted epubs in existing calibre entries, feed the list of decrypted book
+        # If we found homes for decrypted epubs in existing calibre entries, feed the list of decrypted book 
         # details and the callback function (self.add_epub_format) to the ProgressDialog dispatcher.
         if self.formats_to_add:
             d = AddEpubFormatsProgressDialog(self.gui, self.formats_to_add, self.add_epub_format)
@@ -307,10 +306,10 @@ class InterfacePluginAction(InterfaceAction):
         sd = ResultsSummaryDialog(self.gui, caption, msg, log)
         sd.exec_()
         return
-
+    
     def ask_about_inserting_epubs(self):
         '''
-        Build question dialog with details about kobo books
+        Build question dialog with details about kobo books 
         that couldn't be added to calibre as new books.
         '''
         ''' Terisa: Improve the message
@@ -328,13 +327,13 @@ class InterfacePluginAction(InterfaceAction):
             msg = _('<p><b>{0}</b> -- not added because of {1} in your library.<br /><br />').format(self.duplicate_book_list[0][0].title, self.duplicate_book_list[0][2])
             msg += _('Would you like to try and add the EPUB format to an available calibre duplicate?<br /><br />')
             msg += _('NOTE: no pre-existing EPUB will be overwritten.')
-
+            
         return question_dialog(self.gui, caption, msg, det_msg)
 
     def find_a_home(self, ids):
         '''
         Find the ID of the first EPUB-Free duplicate available
-
+        
         :param ids: List of calibre IDs that might serve as a home.
         '''
         for id in ids:
@@ -374,7 +373,7 @@ class InterfacePluginAction(InterfaceAction):
         zin = zipfile.ZipFile(book.filename, 'r')
         #print ('Kobo library filename: {0}'.format(book.filename))
         for userkey in self.userkeys:
-            print (_('Trying key: '), codecs.encode(userkey, 'hex'))
+            print (_('Trying key: '), userkey.encode('hex_codec'))
             check = True
             try:
                 fileout = PersistentTemporaryFile('.epub', dir=self.tdir)
@@ -456,7 +455,7 @@ class InterfacePluginAction(InterfaceAction):
                     if cancelled_count > 0:
                         log += _('<p><b>Book imports cancelled by user:</b> {}</p>\n').format(cancelled_count)
                     return (msg, log)
-                log += _('<p><b>New EPUB formats inserted in existing calibre books:</b> {0}</p>\n').format(len(self.successful_format_adds))
+                log += _('<p><b>New EPUB formats inserted in existing calibre books:</b> {0}</p>\n').format(len(self.successful_format_adds))        
                 if self.successful_format_adds:
                     log += '<ul>\n'
                     for id, mi in self.successful_format_adds:
@@ -475,7 +474,7 @@ class InterfacePluginAction(InterfaceAction):
                         log += _('<p><b>Format imports cancelled by user:</b> {}</p>\n').format(cancelled_count)
                 return (msg, log)
             else:
-
+                
                 # Single book ... don't get fancy.
                 if self.ids_of_new_books:
                     title = self.ids_of_new_books[0][1].title
@@ -495,4 +494,4 @@ class InterfacePluginAction(InterfaceAction):
                     reason = _('of unknown reasons. Gosh I\'m embarrassed!')
                 msg = _('<p>{0} not added because {1}').format(title, reason)
                 return (msg, log)
-
+ 

Obok_plugin/common_utils.py

@@ -1,6 +1,7 @@
-#!/usr/bin/env python3
-# -*- coding: utf-8 -*-
+#!/usr/bin/env python
 # vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:ai
+from __future__ import (unicode_literals, division, absolute_import,
+                        print_function)
 
 __license__   = 'GPL v3'
 __copyright__ = '2012, David Forrester <davidfor@internode.on.net>'
@@ -8,7 +9,13 @@ __docformat__ = 'restructuredtext en'
 
 import os, time, re, sys
 from datetime import datetime
-from PyQt5.Qt import (Qt, QIcon, QPixmap, QLabel, QDialog, QHBoxLayout, QProgressBar,
+try:
+    from PyQt5.Qt import (Qt, QIcon, QPixmap, QLabel, QDialog, QHBoxLayout, QProgressBar,
+                          QTableWidgetItem, QFont, QLineEdit, QComboBox,
+                          QVBoxLayout, QDialogButtonBox, QStyledItemDelegate, QDateTime,
+                          QRegExpValidator, QRegExp, QDate, QDateEdit)
+except ImportError:
+    from PyQt4.Qt import (Qt, QIcon, QPixmap, QLabel, QDialog, QHBoxLayout, QProgressBar,
                           QTableWidgetItem, QFont, QLineEdit, QComboBox,
                           QVBoxLayout, QDialogButtonBox, QStyledItemDelegate, QDateTime,
                           QRegExpValidator, QRegExp, QDate, QDateEdit)
@@ -420,7 +427,7 @@ class KeyValueComboBox(QComboBox):
 
     def selected_key(self):
         for key, value in self.values.iteritems():
-            if value == self.currentText().strip():
+            if value == unicode(self.currentText()).strip():
                 return key
 
 
@@ -443,7 +450,7 @@ class KeyComboBox(QComboBox):
 
     def selected_key(self):
         for key, value in self.values.iteritems():
-            if key == self.currentText().strip():
+            if key == unicode(self.currentText()).strip():
                 return key
 
 

Obok_plugin/config.py

@@ -1,10 +1,16 @@
-#!/usr/bin/env python3
-# -*- coding: utf-8 -*-
-
 # vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:ai
+from __future__ import (unicode_literals, division, absolute_import,
+                        print_function)
 
-from PyQt5.Qt import (Qt, QGroupBox, QListWidget, QLineEdit, QDialogButtonBox, QWidget, QLabel, QDialog, QVBoxLayout, QAbstractItemView, QIcon, QHBoxLayout, QComboBox, QListWidgetItem, QFileDialog)
-from PyQt5 import Qt as QtGui
+try:
+    from PyQt5.Qt import (Qt, QGroupBox, QListWidget, QLineEdit, QDialogButtonBox, QWidget, QLabel, QDialog, QVBoxLayout, QAbstractItemView, QIcon, QHBoxLayout, QComboBox, QListWidgetItem, QFileDialog)
+except ImportError:
+    from PyQt4.Qt import (Qt, QGroupBox, QListWidget, QLineEdit, QDialogButtonBox, QWidget, QLabel, QDialog, QVBoxLayout, QAbstractItemView, QIcon, QHBoxLayout, QComboBox, QListWidgetItem, QFileDialog)
+
+try:
+    from PyQt5 import Qt as QtGui
+except ImportError:
+    from PyQt4 import QtGui
 
 from calibre.gui2 import (error_dialog, question_dialog, info_dialog, open_url)
 from calibre.utils.config import JSONConfig, config_dir
@@ -44,32 +50,32 @@ class ConfigWidget(QWidget):
         self.find_homes.setCurrentIndex(index)
 
         self.serials_button = QtGui.QPushButton(self)
-        self.serials_button.setToolTip(_("Click to manage Kobo serial numbers for Kobo ebooks"))
-        self.serials_button.setText("Kobo devices serials")
+        self.serials_button.setToolTip(_(u"Click to manage Kobo serial numbers for Kobo ebooks"))
+        self.serials_button.setText(u"Kobo devices serials")
         self.serials_button.clicked.connect(self.edit_serials)
         layout.addWidget(self.serials_button)
 
         self.kobo_directory_button = QtGui.QPushButton(self)
-        self.kobo_directory_button.setToolTip(_("Click to specify the Kobo directory"))
-        self.kobo_directory_button.setText("Kobo directory")
+        self.kobo_directory_button.setToolTip(_(u"Click to specify the Kobo directory"))
+        self.kobo_directory_button.setText(u"Kobo directory")
         self.kobo_directory_button.clicked.connect(self.edit_kobo_directory)
         layout.addWidget(self.kobo_directory_button)
 
 
     def edit_serials(self):
-        d = ManageKeysDialog(self,"Kobo device serial number",self.tmpserials, AddSerialDialog)
+        d = ManageKeysDialog(self,u"Kobo device serial number",self.tmpserials, AddSerialDialog)
         d.exec_()
 
 
     def edit_kobo_directory(self):
-        tmpkobodirectory = QFileDialog.getExistingDirectory(self, "Select Kobo directory", self.kobodirectory or "/home", QFileDialog.ShowDirsOnly)
+        tmpkobodirectory = QFileDialog.getExistingDirectory(self, u"Select Kobo directory", self.kobodirectory or "/home", QFileDialog.ShowDirsOnly)
 
         if tmpkobodirectory != u"" and tmpkobodirectory is not None:
             self.kobodirectory = tmpkobodirectory
 
 
     def save_settings(self):
-        plugin_prefs['finding_homes_for_formats'] = self.find_homes.currentText()
+        plugin_prefs['finding_homes_for_formats'] = unicode(self.find_homes.currentText())
         plugin_prefs['kobo_serials'] = self.tmpserials
         plugin_prefs['kobo_directory'] = self.kobodirectory
 
@@ -85,7 +91,7 @@ class ManageKeysDialog(QDialog):
         self.plugin_keys = plugin_keys
         self.create_key = create_key
         self.keyfile_ext = keyfile_ext
-        self.json_file = (keyfile_ext == "k4i")
+        self.json_file = (keyfile_ext == u"k4i")
 
         self.setWindowTitle("{0} {1}: Manage {2}s".format(PLUGIN_NAME, PLUGIN_VERSION, self.key_type_name))
 
@@ -93,13 +99,13 @@ class ManageKeysDialog(QDialog):
         layout = QVBoxLayout(self)
         self.setLayout(layout)
 
-        keys_group_box = QGroupBox(_("{0}s".format(self.key_type_name)), self)
+        keys_group_box = QGroupBox(_(u"{0}s".format(self.key_type_name)), self)
         layout.addWidget(keys_group_box)
         keys_group_box_layout = QHBoxLayout()
         keys_group_box.setLayout(keys_group_box_layout)
 
         self.listy = QListWidget(self)
-        self.listy.setToolTip("{0}s that will be used to decrypt ebooks".format(self.key_type_name))
+        self.listy.setToolTip(u"{0}s that will be used to decrypt ebooks".format(self.key_type_name))
         self.listy.setSelectionMode(QAbstractItemView.SingleSelection)
         self.populate_list()
         keys_group_box_layout.addWidget(self.listy)
@@ -108,12 +114,12 @@ class ManageKeysDialog(QDialog):
         keys_group_box_layout.addLayout(button_layout)
         self._add_key_button = QtGui.QToolButton(self)
         self._add_key_button.setIcon(QIcon(I('plus.png')))
-        self._add_key_button.setToolTip("Create new {0}".format(self.key_type_name))
+        self._add_key_button.setToolTip(u"Create new {0}".format(self.key_type_name))
         self._add_key_button.clicked.connect(self.add_key)
         button_layout.addWidget(self._add_key_button)
 
         self._delete_key_button = QtGui.QToolButton(self)
-        self._delete_key_button.setToolTip(_("Delete highlighted key"))
+        self._delete_key_button.setToolTip(_(u"Delete highlighted key"))
         self._delete_key_button.setIcon(QIcon(I('list_remove.png')))
         self._delete_key_button.clicked.connect(self.delete_key)
         button_layout.addWidget(self._delete_key_button)
@@ -149,7 +155,7 @@ class ManageKeysDialog(QDialog):
         new_key_value = d.key_value
         if new_key_value in self.plugin_keys:
             info_dialog(None, "{0} {1}: Duplicate {2}".format(PLUGIN_NAME, PLUGIN_VERSION,self.key_type_name),
-                        "This {0} is already in the list of {0}s has not been added.".format(self.key_type_name), show=True)
+                        u"This {0} is already in the list of {0}s has not been added.".format(self.key_type_name), show=True)
             return
 
         self.plugin_keys.append(d.key_value)
@@ -159,8 +165,8 @@ class ManageKeysDialog(QDialog):
     def delete_key(self):
         if not self.listy.currentItem():
             return
-        keyname = self.listy.currentItem().text()
-        if not question_dialog(self, "{0} {1}: Confirm Delete".format(PLUGIN_NAME, PLUGIN_VERSION), "Do you really want to delete the {1} <strong>{0}</strong>?".format(keyname, self.key_type_name), show_copy_button=False, default_yes=False):
+        keyname = unicode(self.listy.currentItem().text())
+        if not question_dialog(self, "{0} {1}: Confirm Delete".format(PLUGIN_NAME, PLUGIN_VERSION), u"Do you really want to delete the {1} <strong>{0}</strong>?".format(keyname, self.key_type_name), show_copy_button=False, default_yes=False):
             return
         self.plugin_keys.remove(keyname)
 
@@ -171,7 +177,7 @@ class AddSerialDialog(QDialog):
     def __init__(self, parent=None,):
         QDialog.__init__(self, parent)
         self.parent = parent
-        self.setWindowTitle("{0} {1}: Add New eInk Kobo Serial Number".format(PLUGIN_NAME, PLUGIN_VERSION))
+        self.setWindowTitle(u"{0} {1}: Add New eInk Kobo Serial Number".format(PLUGIN_NAME, PLUGIN_VERSION))
         layout = QVBoxLayout(self)
         self.setLayout(layout)
 
@@ -182,9 +188,9 @@ class AddSerialDialog(QDialog):
 
         key_group = QHBoxLayout()
         data_group_box_layout.addLayout(key_group)
-        key_group.addWidget(QLabel("EInk Kobo Serial Number:", self))
+        key_group.addWidget(QLabel(u"EInk Kobo Serial Number:", self))
         self.key_ledit = QLineEdit("", self)
-        self.key_ledit.setToolTip("Enter an eInk Kobo serial number. EInk Kobo serial numbers are 13 characters long and usually start with a 'N'. Kobo Serial Numbers are case-sensitive, so be sure to enter the upper and lower case letters unchanged.")
+        self.key_ledit.setToolTip(u"Enter an eInk Kobo serial number. EInk Kobo serial numbers are 13 characters long and usually start with a 'N'. Kobo Serial Numbers are case-sensitive, so be sure to enter the upper and lower case letters unchanged.")
         key_group.addWidget(self.key_ledit)
 
         self.button_box = QDialogButtonBox(QDialogButtonBox.Ok | QDialogButtonBox.Cancel)
@@ -196,17 +202,17 @@ class AddSerialDialog(QDialog):
 
     @property
     def key_name(self):
-        return self.key_ledit.text().strip()
+        return unicode(self.key_ledit.text()).strip()
 
     @property
     def key_value(self):
-        return self.key_ledit.text().strip()
+        return unicode(self.key_ledit.text()).strip()
 
     def accept(self):
         if len(self.key_name) == 0 or self.key_name.isspace():
-            errmsg = "Please enter an eInk Kindle Serial Number or click Cancel in the dialog."
+            errmsg = u"Please enter an eInk Kindle Serial Number or click Cancel in the dialog."
             return error_dialog(None, "{0} {1}".format(PLUGIN_NAME, PLUGIN_VERSION), errmsg, show=True, show_copy_button=False)
         if len(self.key_name) != 13:
-            errmsg = "EInk Kobo Serial Numbers must be 13 characters long. This is {0:d} characters long.".format(len(self.key_name))
+            errmsg = u"EInk Kobo Serial Numbers must be 13 characters long. This is {0:d} characters long.".format(len(self.key_name))
             return error_dialog(None, "{0} {1}".format(PLUGIN_NAME, PLUGIN_VERSION), errmsg, show=True, show_copy_button=False)
         QDialog.accept(self)

Obok_plugin/obok/legacy_obok.py

@@ -37,14 +37,14 @@ class legacy_obok(object):
     
     def __oldcookiedeviceid(self):
         '''Optionally attempt to get a device id using the old cookie method.
-        Must have winreg installed on Windows machines for successful key retrieval.'''
+        Must have _winreg installed on Windows machines for successful key retrieval.'''
         wsuid = ''
         pwsdid = ''
         try:
             if sys.platform.startswith('win'):
-                import winreg
-                regkey_browser = winreg.OpenKey(winreg.HKEY_CURRENT_USER, 'Software\\Kobo\\Kobo Desktop Edition\\Browser')
-                cookies = winreg.QueryValueEx(regkey_browser, 'cookies')
+                import _winreg
+                regkey_browser = _winreg.OpenKey(_winreg.HKEY_CURRENT_USER, 'Software\\Kobo\\Kobo Desktop Edition\\Browser')
+                cookies = _winreg.QueryValueEx(regkey_browser, 'cookies')
                 bytearrays = cookies[0]
             elif sys.platform.startswith('darwin'):
                 prefs = os.path.join(os.environ['HOME'], 'Library/Preferences/com.kobo.Kobo Desktop Edition.plist')

Obok_plugin/obok/obok.py

@@ -1,9 +1,6 @@
-#!/usr/bin/env python3
+#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
-# Version 4.0.0 September 2020
-# Python 3.0
-#
 # Version 3.2.5 December 2016
 # Improve detection of good text decryption.
 #
@@ -155,8 +152,8 @@
 """Manage all Kobo books, either encrypted or DRM-free."""
 from __future__ import print_function
 
-__version__ = '4.0.0'
-__about__ =  "Obok v{0}\nCopyright © 2012-2020 Physisticated et al.".format(__version__)
+__version__ = '3.2.4'
+__about__ =  u"Obok v{0}\nCopyright © 2012-2016 Physisticated et al.".format(__version__)
 
 import sys
 import os
@@ -176,10 +173,10 @@ import tempfile
 can_parse_xml = True
 try:
   from xml.etree import ElementTree as ET
-  # print "using xml.etree for xml parsing"
+  # print u"using xml.etree for xml parsing"
 except ImportError:
   can_parse_xml = False
-  # print "Cannot find xml.etree, disabling extraction of serial numbers"
+  # print u"Cannot find xml.etree, disabling extraction of serial numbers"
 
 # List of all known hash keys
 KOBO_HASH_KEYS = ['88b3a2e13', 'XzUhGYdFp', 'NoCanLook','QJhwzAtXL']
@@ -234,7 +231,7 @@ def _load_crypto_libcrypto():
                 raise ENCRYPTIONError(_('Failed to initialize AES key'))
 
         def decrypt(self, data):
-            clear = b''
+            clear = ''
             for i in range(0, len(data), 16):
                 out = create_string_buffer(16)
                 rv = AES_ecb_encrypt(data[i:i+16], out, self._key, 0)
@@ -279,10 +276,10 @@ class SafeUnbuffered:
         if self.encoding == None:
             self.encoding = "utf-8"
     def write(self, data):
-        if isinstance(data,str):
+        if isinstance(data,unicode):
             data = data.encode(self.encoding,"replace")
-        self.stream.buffer.write(data)
-        self.stream.buffer.flush()
+        self.stream.write(data)
+        self.stream.flush()
     def __getattr__(self, attr):
         return getattr(self.stream, attr)
 
@@ -312,9 +309,9 @@ class KoboLibrary(object):
         # step 1. check whether this looks like a real device
         if (device_path):
             # we got a device path
-            self.kobodir = os.path.join(device_path, ".kobo")
+            self.kobodir = os.path.join(device_path, u".kobo")
             # devices use KoboReader.sqlite
-            kobodb  = os.path.join(self.kobodir, "KoboReader.sqlite")
+            kobodb  = os.path.join(self.kobodir, u"KoboReader.sqlite")
             if (not(os.path.isfile(kobodb))):
                 # device path seems to be wrong, unset it
                 device_path = u""
@@ -326,22 +323,22 @@ class KoboLibrary(object):
             if (len(serials) == 0):
                 # we got a device path but no saved serial
                 # try to get the serial from the device
-                # print "get_device_settings - device_path = {0}".format(device_path)
+                # print u"get_device_settings - device_path = {0}".format(device_path)
                 # get serial from device_path/.adobe-digital-editions/device.xml
                 if can_parse_xml:
                     devicexml = os.path.join(device_path, '.adobe-digital-editions', 'device.xml')
-                    # print "trying to load {0}".format(devicexml)
+                    # print u"trying to load {0}".format(devicexml)
                     if (os.path.exists(devicexml)):
-                        # print "trying to parse {0}".format(devicexml)
+                        # print u"trying to parse {0}".format(devicexml)
                         xmltree = ET.parse(devicexml)
                         for node in xmltree.iter():
                             if "deviceSerial" in node.tag:
                                 serial = node.text
-                                # print "found serial {0}".format(serial)
+                                # print u"found serial {0}".format(serial)
                                 serials.append(serial)
                                 break
                     else:
-                        # print "cannot get serials from device."
+                        # print u"cannot get serials from device."
                         device_path = u""
                         self.kobodir = u""
                         kobodb  = u""
@@ -353,23 +350,23 @@ class KoboLibrary(object):
 
             if (self.kobodir == u""):
                 if sys.platform.startswith('win'):
-                    import winreg
+                    import _winreg as winreg
                     if sys.getwindowsversion().major > 5:
                         if 'LOCALAPPDATA' in os.environ.keys():
                             # Python 2.x does not return unicode env. Use Python 3.x
-                            self.kobodir = winreg.ExpandEnvironmentStrings("%LOCALAPPDATA%")
+                            self.kobodir = winreg.ExpandEnvironmentStrings(u"%LOCALAPPDATA%")
                     if (self.kobodir == u""):
                         if 'USERPROFILE' in os.environ.keys():
                             # Python 2.x does not return unicode env. Use Python 3.x
-                            self.kobodir = os.path.join(winreg.ExpandEnvironmentStrings("%USERPROFILE%"), "Local Settings", "Application Data")
-                    self.kobodir = os.path.join(self.kobodir, "Kobo", "Kobo Desktop Edition")
+                            self.kobodir = os.path.join(winreg.ExpandEnvironmentStrings(u"%USERPROFILE%"), u"Local Settings", u"Application Data")
+                    self.kobodir = os.path.join(self.kobodir, u"Kobo", u"Kobo Desktop Edition")
                 elif sys.platform.startswith('darwin'):
-                    self.kobodir = os.path.join(os.environ['HOME'], "Library", "Application Support", "Kobo", "Kobo Desktop Edition")
+                    self.kobodir = os.path.join(os.environ['HOME'], u"Library", u"Application Support", u"Kobo", u"Kobo Desktop Edition")
             #elif linux_path != None:
                 # Probably Linux, let's get the wine prefix and path to Kobo.
-            #   self.kobodir = os.path.join(linux_path, "Local Settings", "Application Data", "Kobo", "Kobo Desktop Edition")
+            #   self.kobodir = os.path.join(linux_path, u"Local Settings", u"Application Data", u"Kobo", u"Kobo Desktop Edition")
             # desktop versions use Kobo.sqlite
-            kobodb = os.path.join(self.kobodir, "Kobo.sqlite")
+            kobodb = os.path.join(self.kobodir, u"Kobo.sqlite")
             # check for existence of file
             if (not(os.path.isfile(kobodb))):
                 # give up here, we haven't found anything useful
@@ -377,14 +374,14 @@ class KoboLibrary(object):
                 kobodb  = u""
 
         if (self.kobodir != u""):
-            self.bookdir = os.path.join(self.kobodir, "kepub")
+            self.bookdir = os.path.join(self.kobodir, u"kepub")
             # make a copy of the database in a temporary file
             # so we can ensure it's not using WAL logging which sqlite3 can't do.
             self.newdb = tempfile.NamedTemporaryFile(mode='wb', delete=False)
             print(self.newdb.name)
             olddb = open(kobodb, 'rb')
             self.newdb.write(olddb.read(18))
-            self.newdb.write(b'\x01\x01')
+            self.newdb.write('\x01\x01')
             olddb.read(2)
             self.newdb.write(olddb.read())
             olddb.close()
@@ -437,15 +434,15 @@ class KoboLibrary(object):
 
     def __bookfile (self, volumeid):
         """The filename needed to open a given book."""
-        return os.path.join(self.kobodir, "kepub", volumeid)
+        return os.path.join(self.kobodir, u"kepub", volumeid)
 
     def __getmacaddrs (self):
         """The list of all MAC addresses on this machine."""
         macaddrs = []
         if sys.platform.startswith('win'):
             c = re.compile('\s(' + '[0-9a-f]{2}-' * 5 + '[0-9a-f]{2})(\s|$)', re.IGNORECASE)
-            output = subprocess.Popen('ipconfig /all', shell=True, stdout=subprocess.PIPE, text=True).stdout
-            for line in output:
+            (p_in, p_out, p_err) = os.popen3('ipconfig /all')
+            for line in p_out:
                 m = c.search(line)
                 if m:
                     macaddrs.append(re.sub("-", ":", m.group(1)).upper())
@@ -454,7 +451,7 @@ class KoboLibrary(object):
             output = subprocess.check_output('/sbin/ifconfig -a', shell=True)
             matches = c.findall(output)
             for m in matches:
-                # print "m:{0}".format(m[0])
+                # print u"m:{0}".format(m[0])
                 macaddrs.append(m[0].upper())
         else:
             # probably linux
@@ -491,14 +488,14 @@ class KoboLibrary(object):
                 pass
             row = cursor.fetchone()
         return userids
-
+               
     def __getuserkeys (self, macaddr):
         userids = self.__getuserids()
         userkeys = []
         for hash in KOBO_HASH_KEYS:
-            deviceid = hashlib.sha256((hash + macaddr).encode('ascii')).hexdigest()
+            deviceid = hashlib.sha256(hash + macaddr).hexdigest()
             for userid in userids:
-                userkey = hashlib.sha256((deviceid + userid).encode('ascii')).hexdigest()
+                userkey = hashlib.sha256(deviceid + userid).hexdigest()
                 userkeys.append(binascii.a2b_hex(userkey[32:]))
         return userkeys
 
@@ -559,7 +556,7 @@ class KoboBook(object):
             # Convert relative URIs
             href = item.attrib['href']
             if not c.match(href):
-                href = ''.join((basedir, href))
+                href = string.join((basedir, href), '')
 
             # Update books we've found from the DB.
             if href in self._encryptedfiles:
@@ -607,59 +604,59 @@ class KoboFile(object):
             # assume utf-8 with no BOM
             textoffset = 0
             stride = 1
-            print("Checking text:{0}:".format(contents[:10]))
+            print(u"Checking text:{0}:".format(contents[:10]))
             # check for byte order mark
-            if contents[:3]==b"\xef\xbb\xbf":
+            if contents[:3]=="\xef\xbb\xbf":
                 # seems to be utf-8 with BOM
-                print("Could be utf-8 with BOM")
+                print(u"Could be utf-8 with BOM")
                 textoffset = 3
-            elif contents[:2]==b"\xfe\xff":
+            elif contents[:2]=="\xfe\xff":
                 # seems to be utf-16BE
-                print("Could be  utf-16BE")
+                print(u"Could be  utf-16BE")
                 textoffset = 3
                 stride = 2
-            elif contents[:2]==b"\xff\xfe":
+            elif contents[:2]=="\xff\xfe":
                 # seems to be utf-16LE
-                print("Could be  utf-16LE")
+                print(u"Could be  utf-16LE")
                 textoffset = 2
                 stride = 2
             else:
-                print("Perhaps utf-8 without BOM")
-
+                print(u"Perhaps utf-8 without BOM")
+                
             # now check that the first few characters are in the ASCII range
-            for i in range(textoffset,textoffset+5*stride,stride):
-                if contents[i]<32 or contents[i]>127:
+            for i in xrange(textoffset,textoffset+5*stride,stride):
+                if ord(contents[i])<32 or ord(contents[i])>127:
                     # Non-ascii, so decryption probably failed
-                    print("Bad character at {0}, value {1}".format(i,contents[i]))
+                    print(u"Bad character at {0}, value {1}".format(i,ord(contents[i])))
                     raise ValueError
-            print("Seems to be good text")
+            print(u"Seems to be good text")
             return True
-            if contents[:5]==b"<?xml" or contents[:8]==b"\xef\xbb\xbf<?xml":
+            if contents[:5]=="<?xml" or contents[:8]=="\xef\xbb\xbf<?xml":
                 # utf-8
                 return True
-            elif contents[:14]==b"\xfe\xff\x00<\x00?\x00x\x00m\x00l":
+            elif contents[:14]=="\xfe\xff\x00<\x00?\x00x\x00m\x00l":
                 # utf-16BE
                 return True
-            elif contents[:14]==b"\xff\xfe<\x00?\x00x\x00m\x00l\x00":
+            elif contents[:14]=="\xff\xfe<\x00?\x00x\x00m\x00l\x00":
                 # utf-16LE
                 return True
-            elif contents[:9]==b"<!DOCTYPE" or contents[:12]==b"\xef\xbb\xbf<!DOCTYPE":
+            elif contents[:9]=="<!DOCTYPE" or contents[:12]=="\xef\xbb\xbf<!DOCTYPE":
                 # utf-8 of weird <!DOCTYPE start
                 return True
-            elif contents[:22]==b"\xfe\xff\x00<\x00!\x00D\x00O\x00C\x00T\x00Y\x00P\x00E":
+            elif contents[:22]=="\xfe\xff\x00<\x00!\x00D\x00O\x00C\x00T\x00Y\x00P\x00E":
                 # utf-16BE of weird <!DOCTYPE start
                 return True
-            elif contents[:22]==b"\xff\xfe<\x00!\x00D\x00O\x00C\x00T\x00Y\x00P\x00E\x00":
+            elif contents[:22]=="\xff\xfe<\x00!\x00D\x00O\x00C\x00T\x00Y\x00P\x00E\x00":
                 # utf-16LE of weird <!DOCTYPE start
                 return True
             else:
-                print("Bad XML: {0}".format(contents[:8]))
+                print(u"Bad XML: {0}".format(contents[:8]))
                 raise ValueError
         elif self.mimetype == 'image/jpeg':
-            if contents[:3] == b'\xff\xd8\xff':
+            if contents[:3] == '\xff\xd8\xff':
                 return True
             else:
-                print("Bad JPEG: {0}".format(contents[:3].hex()))
+                print(u"Bad JPEG: {0}".format(contents[:3].encode('hex')))
                 raise ValueError()
         return False
 
@@ -682,18 +679,18 @@ class KoboFile(object):
         return contents
 
 def decrypt_book(book, lib):
-    print("Converting {0}".format(book.title))
+    print(u"Converting {0}".format(book.title))
     zin = zipfile.ZipFile(book.filename, "r")
     # make filename out of Unicode alphanumeric and whitespace equivalents from title
-    outname = "{0}.epub".format(re.sub('[^\s\w]', '_', book.title, 0, re.UNICODE))
+    outname = u"{0}.epub".format(re.sub('[^\s\w]', '_', book.title, 0, re.UNICODE))
     if (book.type == 'drm-free'):
-        print("DRM-free book, conversion is not needed")
+        print(u"DRM-free book, conversion is not needed")
         shutil.copyfile(book.filename, outname)
-        print("Book saved as {0}".format(os.path.join(os.getcwd(), outname)))
+        print(u"Book saved as {0}".format(os.path.join(os.getcwd(), outname)))
         return 0
     result = 1
     for userkey in lib.userkeys:
-        print("Trying key: {0}".format(userkey.hex()))
+        print(u"Trying key: {0}".format(userkey.encode('hex_codec')))
         try:
             zout = zipfile.ZipFile(outname, "w", zipfile.ZIP_DEFLATED)
             for filename in zin.namelist():
@@ -705,12 +702,12 @@ def decrypt_book(book, lib):
                     file.check(contents)
                 zout.writestr(filename, contents)
             zout.close()
-            print("Decryption succeeded.")
-            print("Book saved as {0}".format(os.path.join(os.getcwd(), outname)))
+            print(u"Decryption succeeded.")
+            print(u"Book saved as {0}".format(os.path.join(os.getcwd(), outname)))
             result = 0
             break
         except ValueError:
-            print("Decryption failed.")
+            print(u"Decryption failed.")
             zout.close()
             os.remove(outname)
     zin.close()
@@ -719,7 +716,7 @@ def decrypt_book(book, lib):
 
 def cli_main():
     description = __about__
-    epilog = "Parsing of arguments failed."
+    epilog = u"Parsing of arguments failed."
     parser = argparse.ArgumentParser(prog=sys.argv[0], description=description, epilog=epilog)
     parser.add_argument('--devicedir', default='/media/KOBOeReader', help="directory of connected Kobo device")
     parser.add_argument('--all', action='store_true', help="flag for converting all books on device")
@@ -735,25 +732,25 @@ def cli_main():
         books = lib.books
     else:
         for i, book in enumerate(lib.books):
-            print("{0}: {1}".format(i + 1, book.title))
-        print("Or 'all'")
+            print(u"{0}: {1}".format(i + 1, book.title))
+        print(u"Or 'all'")
 
-        choice = input("Convert book number... ")
-        if choice == "all":
+        choice = raw_input(u"Convert book number... ")
+        if choice == u'all':
             books = list(lib.books)
         else:
             try:
                 num = int(choice)
                 books = [lib.books[num - 1]]
             except (ValueError, IndexError):
-                print("Invalid choice. Exiting...")
+                print(u"Invalid choice. Exiting...")
                 exit()
 
     results = [decrypt_book(book, lib) for book in books]
     lib.close()
     overall_result = all(result != 0 for result in results)
     if overall_result != 0:
-        print("Could not decrypt book with any of the keys found.")
+        print(u"Could not decrypt book with any of the keys found.")
     return overall_result
 
 

Obok_plugin/utilities.py

@@ -1,27 +1,27 @@
-#!/usr/bin/env python3
-# -*- coding: utf-8 -*-
 # vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:ai
+from __future__ import (unicode_literals, division, absolute_import,
+                        print_function)
 
 __license__   = 'GPL v3'
 __docformat__ = 'restructuredtext en'
 
 
 import os, struct, time
-try:
-    from StringIO import StringIO
-except ImportError:
-    from io import StringIO
+from StringIO import StringIO
 from traceback import print_exc
 
-from PyQt5.Qt import (Qt, QDialog, QPixmap, QIcon, QLabel, QHBoxLayout, QFont, QTableWidgetItem)
-
+try:
+    from PyQt5.Qt import (Qt, QDialog, QPixmap, QIcon, QLabel, QHBoxLayout, QFont, QTableWidgetItem)
+except ImportError:
+    from PyQt4.Qt import (Qt, QDialog, QPixmap, QIcon, QLabel, QHBoxLayout, QFont, QTableWidgetItem)
+    
 from calibre.utils.config import config_dir
 from calibre.constants import iswindows, DEBUG
 from calibre import prints
 from calibre.gui2 import (error_dialog, gprefs)
 from calibre.gui2.actions import menu_action_unique_name
 
-from calibre_plugins.obok_dedrm.__init__ import (PLUGIN_NAME,
+from calibre_plugins.obok_dedrm.__init__ import (PLUGIN_NAME,  
                     PLUGIN_SAFE_NAME, PLUGIN_VERSION, PLUGIN_DESCRIPTION)
 
 plugin_ID = None
@@ -39,7 +39,7 @@ else:
     def convert_qvariant(x):
         vt = x.type()
         if vt == x.String:
-            return x.toString()
+            return unicode(x.toString())
         if vt == x.List:
             return [convert_qvariant(i) for i in x.toList()]
         return x.toPyObject()
@@ -62,7 +62,7 @@ except NameError:
 def format_plural(number, possessive=False):
     '''
     Cosmetic ditty to provide the proper string formatting variable to handle singular/plural situations
-
+    
     :param: number: variable that represents the count/len of something
     '''
     if not possessive:
@@ -141,7 +141,7 @@ def showErrorDlg(errmsg, parent, trcbk=False):
     '''
     if trcbk:
         error= ''
-        f=StringIO()
+        f=StringIO()     
         print_exc(file=f)
         error_mess = f.getvalue().splitlines()
         for line in error_mess:

Other_Tools/DRM_Key_Scripts/Adobe_Digital_Editions/adobekey.pyw

@@ -129,7 +129,7 @@ if iswindows:
         c_long, c_ulong
 
     from ctypes.wintypes import LPVOID, DWORD, BOOL
-    import winreg
+    import _winreg as winreg
 
     def _load_crypto_libcrypto():
         from ctypes.util import find_library

Other_Tools/DRM_Key_Scripts/Barnes_and_Noble_ePubs/ignoblekey.pyw

@@ -4,7 +4,7 @@
 from __future__ import with_statement
 
 # ignoblekey.py
-# Copyright © 2015-2020 Apprentice Harper et al.
+# Copyright © 2015 Apprentice Alf and Apprentice Harper
 
 # Based on kindlekey.py, Copyright © 2010-2013 by some_updates and Apprentice Alf
 
@@ -14,14 +14,13 @@ from __future__ import with_statement
 # Revision history:
 #   1.0 - Initial release
 #   1.1 - remove duplicates and return last key as single key
-#   2.0 - Python 3
 
 """
 Get Barnes & Noble EPUB user key from nook Studio log file
 """
 
 __license__ = 'GPL v3'
-__version__ = "2.0"
+__version__ = "1.1"
 
 import sys
 import os
@@ -98,7 +97,7 @@ def getNookLogFiles():
     logFiles = []
     found = False
     if iswindows:
-        import winreg
+        import _winreg as winreg
 
         # some 64 bit machines do not have the proper registry key for some reason
         # or the python interface to the 32 vs 64 bit registry is broken
@@ -319,7 +318,7 @@ def gui_main():
                 keyfileout.write(key)
             success = True
             tkMessageBox.showinfo(progname, u"Key successfully retrieved to {0}".format(outfile))
-    except DrmException as e:
+    except DrmException, e:
         tkMessageBox.showerror(progname, u"Error: {0}".format(str(e)))
     except Exception:
         root.wm_state('normal')

Other_Tools/DRM_Key_Scripts/Kindle_for_Mac_and_PC/kindlekey.pyw

@@ -177,7 +177,7 @@ if iswindows:
         create_unicode_buffer, create_string_buffer, CFUNCTYPE, addressof, \
         string_at, Structure, c_void_p, cast
 
-    import winreg
+    import _winreg as winreg
     MAX_PATH = 255
     kernel32 = windll.kernel32
     advapi32 = windll.advapi32

Other_Tools/Kobo/obok.py

@@ -153,7 +153,7 @@
 from __future__ import print_function
 
 __version__ = '3.2.4'
-__about__ =  "Obok v{0}\nCopyright © 2012-2016 Physisticated et al.".format(__version__)
+__about__ =  u"Obok v{0}\nCopyright © 2012-2016 Physisticated et al.".format(__version__)
 
 import sys
 import os
@@ -173,10 +173,10 @@ import tempfile
 can_parse_xml = True
 try:
   from xml.etree import ElementTree as ET
-  # print "using xml.etree for xml parsing"
+  # print u"using xml.etree for xml parsing"
 except ImportError:
   can_parse_xml = False
-  # print "Cannot find xml.etree, disabling extraction of serial numbers"
+  # print u"Cannot find xml.etree, disabling extraction of serial numbers"
 
 # List of all known hash keys
 KOBO_HASH_KEYS = ['88b3a2e13', 'XzUhGYdFp', 'NoCanLook','QJhwzAtXL']
@@ -309,9 +309,9 @@ class KoboLibrary(object):
         # step 1. check whether this looks like a real device
         if (device_path):
             # we got a device path
-            self.kobodir = os.path.join(device_path, ".kobo")
+            self.kobodir = os.path.join(device_path, u".kobo")
             # devices use KoboReader.sqlite
-            kobodb  = os.path.join(self.kobodir, "KoboReader.sqlite")
+            kobodb  = os.path.join(self.kobodir, u"KoboReader.sqlite")
             if (not(os.path.isfile(kobodb))):
                 # device path seems to be wrong, unset it
                 device_path = u""
@@ -323,22 +323,22 @@ class KoboLibrary(object):
             if (len(serials) == 0):
                 # we got a device path but no saved serial
                 # try to get the serial from the device
-                # print "get_device_settings - device_path = {0}".format(device_path)
+                # print u"get_device_settings - device_path = {0}".format(device_path)
                 # get serial from device_path/.adobe-digital-editions/device.xml
                 if can_parse_xml:
                     devicexml = os.path.join(device_path, '.adobe-digital-editions', 'device.xml')
-                    # print "trying to load {0}".format(devicexml)
+                    # print u"trying to load {0}".format(devicexml)
                     if (os.path.exists(devicexml)):
-                        # print "trying to parse {0}".format(devicexml)
+                        # print u"trying to parse {0}".format(devicexml)
                         xmltree = ET.parse(devicexml)
                         for node in xmltree.iter():
                             if "deviceSerial" in node.tag:
                                 serial = node.text
-                                # print "found serial {0}".format(serial)
+                                # print u"found serial {0}".format(serial)
                                 serials.append(serial)
                                 break
                     else:
-                        # print "cannot get serials from device."
+                        # print u"cannot get serials from device."
                         device_path = u""
                         self.kobodir = u""
                         kobodb  = u""
@@ -346,23 +346,23 @@ class KoboLibrary(object):
         if (self.kobodir == u""):
             # step 4. we haven't found a device with serials, so try desktop apps
             if sys.platform.startswith('win'):
-                import winreg
+                import _winreg as winreg
                 if sys.getwindowsversion().major > 5:
                     if 'LOCALAPPDATA' in os.environ.keys():
                         # Python 2.x does not return unicode env. Use Python 3.x
-                        self.kobodir = winreg.ExpandEnvironmentStrings("%LOCALAPPDATA%")
+                        self.kobodir = winreg.ExpandEnvironmentStrings(u"%LOCALAPPDATA%")
                 if (self.kobodir == u""):
                     if 'USERPROFILE' in os.environ.keys():
                         # Python 2.x does not return unicode env. Use Python 3.x
-                        self.kobodir = os.path.join(winreg.ExpandEnvironmentStrings("%USERPROFILE%"), "Local Settings", "Application Data")
-                self.kobodir = os.path.join(self.kobodir, "Kobo", "Kobo Desktop Edition")
+                        self.kobodir = os.path.join(winreg.ExpandEnvironmentStrings(u"%USERPROFILE%"), u"Local Settings", u"Application Data")
+                self.kobodir = os.path.join(self.kobodir, u"Kobo", u"Kobo Desktop Edition")
             elif sys.platform.startswith('darwin'):
-                self.kobodir = os.path.join(os.environ['HOME'], "Library", "Application Support", "Kobo", "Kobo Desktop Edition")
+                self.kobodir = os.path.join(os.environ['HOME'], u"Library", u"Application Support", u"Kobo", u"Kobo Desktop Edition")
             #elif linux_path != None:
                 # Probably Linux, let's get the wine prefix and path to Kobo.
-            #   self.kobodir = os.path.join(linux_path, "Local Settings", "Application Data", "Kobo", "Kobo Desktop Edition")
+            #   self.kobodir = os.path.join(linux_path, u"Local Settings", u"Application Data", u"Kobo", u"Kobo Desktop Edition")
             # desktop versions use Kobo.sqlite
-            kobodb = os.path.join(self.kobodir, "Kobo.sqlite")
+            kobodb = os.path.join(self.kobodir, u"Kobo.sqlite")
             # check for existence of file
             if (not(os.path.isfile(kobodb))):
                 # give up here, we haven't found anything useful
@@ -371,7 +371,7 @@ class KoboLibrary(object):
 
         
         if (self.kobodir != u""):
-            self.bookdir = os.path.join(self.kobodir, "kepub")
+            self.bookdir = os.path.join(self.kobodir, u"kepub")
             # make a copy of the database in a temporary file
             # so we can ensure it's not using WAL logging which sqlite3 can't do.
             self.newdb = tempfile.NamedTemporaryFile(mode='wb', delete=False)
@@ -431,7 +431,7 @@ class KoboLibrary(object):
 
     def __bookfile (self, volumeid):
         """The filename needed to open a given book."""
-        return os.path.join(self.kobodir, "kepub", volumeid)
+        return os.path.join(self.kobodir, u"kepub", volumeid)
 
     def __getmacaddrs (self):
         """The list of all MAC addresses on this machine."""
@@ -448,7 +448,7 @@ class KoboLibrary(object):
             output = subprocess.check_output('/sbin/ifconfig -a', shell=True)
             matches = c.findall(output)
             for m in matches:
-                # print "m:{0}".format(m[0])
+                # print u"m:{0}".format(m[0])
                 macaddrs.append(m[0].upper())
         elif sys.platform.startswith('linux'):
             p_out = subprocess.check_output("ip -br link show | awk '{print $3}'", shell=True)
@@ -596,32 +596,32 @@ class KoboFile(object):
             # assume utf-8 with no BOM
             textoffset = 0
             stride = 1
-            print("Checking text:{0}:".format(contents[:10]))
+            print(u"Checking text:{0}:".format(contents[:10]))
             # check for byte order mark
             if contents[:3]=="\xef\xbb\xbf":
                 # seems to be utf-8 with BOM
-                print("Could be utf-8 with BOM")
+                print(u"Could be utf-8 with BOM")
                 textoffset = 3
             elif contents[:2]=="\xfe\xff":
                 # seems to be utf-16BE
-                print("Could be  utf-16BE")
+                print(u"Could be  utf-16BE")
                 textoffset = 3
                 stride = 2
             elif contents[:2]=="\xff\xfe":
                 # seems to be utf-16LE
-                print("Could be  utf-16LE")
+                print(u"Could be  utf-16LE")
                 textoffset = 2
                 stride = 2
             else:
-                print("Perhaps utf-8 without BOM")
+                print(u"Perhaps utf-8 without BOM")
                 
             # now check that the first few characters are in the ASCII range
             for i in xrange(textoffset,textoffset+5*stride,stride):
                 if ord(contents[i])<32 or ord(contents[i])>127:
                     # Non-ascii, so decryption probably failed
-                    print("Bad character at {0}, value {1}".format(i,ord(contents[i])))
+                    print(u"Bad character at {0}, value {1}".format(i,ord(contents[i])))
                     raise ValueError
-            print("Seems to be good text")
+            print(u"Seems to be good text")
             return True
             if contents[:5]=="<?xml" or contents[:8]=="\xef\xbb\xbf<?xml":
                 # utf-8
@@ -642,13 +642,13 @@ class KoboFile(object):
                 # utf-16LE of weird <!DOCTYPE start
                 return True
             else:
-                print("Bad XML: {0}".format(contents[:8]))
+                print(u"Bad XML: {0}".format(contents[:8]))
                 raise ValueError
         elif self.mimetype == 'image/jpeg':
             if contents[:3] == '\xff\xd8\xff':
                 return True
             else:
-                print("Bad JPEG: {0}".format(contents[:3].encode('hex')))
+                print(u"Bad JPEG: {0}".format(contents[:3].encode('hex')))
                 raise ValueError()
         return False
 
@@ -671,18 +671,18 @@ class KoboFile(object):
         return contents
 
 def decrypt_book(book, lib):
-    print("Converting {0}".format(book.title))
+    print(u"Converting {0}".format(book.title))
     zin = zipfile.ZipFile(book.filename, "r")
     # make filename out of Unicode alphanumeric and whitespace equivalents from title
-    outname = "{0}.epub".format(re.sub('[^\s\w]', '_', book.title, 0, re.UNICODE))
+    outname = u"{0}.epub".format(re.sub('[^\s\w]', '_', book.title, 0, re.UNICODE))
     if (book.type == 'drm-free'):
-        print("DRM-free book, conversion is not needed")
+        print(u"DRM-free book, conversion is not needed")
         shutil.copyfile(book.filename, outname)
-        print("Book saved as {0}".format(os.path.join(os.getcwd(), outname)))
+        print(u"Book saved as {0}".format(os.path.join(os.getcwd(), outname)))
         return 0
     result = 1
     for userkey in lib.userkeys:
-        print("Trying key: {0}".format(userkey.encode('hex_codec')))
+        print(u"Trying key: {0}".format(userkey.encode('hex_codec')))
         try:
             zout = zipfile.ZipFile(outname, "w", zipfile.ZIP_DEFLATED)
             for filename in zin.namelist():
@@ -694,12 +694,12 @@ def decrypt_book(book, lib):
                     file.check(contents)
                 zout.writestr(filename, contents)
             zout.close()
-            print("Decryption succeeded.")
-            print("Book saved as {0}".format(os.path.join(os.getcwd(), outname)))
+            print(u"Decryption succeeded.")
+            print(u"Book saved as {0}".format(os.path.join(os.getcwd(), outname)))
             result = 0
             break
         except ValueError:
-            print("Decryption failed.")
+            print(u"Decryption failed.")
             zout.close()
             os.remove(outname)
     zin.close()
@@ -708,7 +708,7 @@ def decrypt_book(book, lib):
 
 def cli_main():
     description = __about__
-    epilog = "Parsing of arguments failed."
+    epilog = u"Parsing of arguments failed."
     parser = argparse.ArgumentParser(prog=sys.argv[0], description=description, epilog=epilog)
     parser.add_argument('--devicedir', default='/media/KOBOeReader', help="directory of connected Kobo device")
     parser.add_argument('--all', action='store_true', help="flag for converting all books on device")
@@ -724,25 +724,25 @@ def cli_main():
         books = lib.books
     else:
         for i, book in enumerate(lib.books):
-            print("{0}: {1}".format(i + 1, book.title))
-        print("Or 'all'")
+            print(u"{0}: {1}".format(i + 1, book.title))
+        print(u"Or 'all'")
 
-        choice = raw_input("Convert book number... ")
-        if choice == "all":
+        choice = raw_input(u"Convert book number... ")
+        if choice == u'all':
             books = list(lib.books)
         else:
             try:
                 num = int(choice)
                 books = [lib.books[num - 1]]
             except (ValueError, IndexError):
-                print("Invalid choice. Exiting...")
+                print(u"Invalid choice. Exiting...")
                 exit()
 
     results = [decrypt_book(book, lib) for book in books]
     lib.close()
     overall_result = all(result != 0 for result in results)
     if overall_result != 0:
-        print("Could not decrypt book with any of the keys found.")
+        print(u"Could not decrypt book with any of the keys found.")
     return overall_result
 
 

Other_Tools/Tetrachroma_FileOpen_ineptpdf/ineptpdf_8.4.51.pyw

@@ -2290,7 +2290,7 @@ class PDFDocument(object):
             import win32api
             import win32security
             import win32file
-            import winreg
+            import _winreg as winreg
         except:
             raise ADEPTError('PyWin Extension (Win32API module) needed.\n'+\
                              'Download from http://sourceforge.net/projects/pywin32/files/ ')

README.md

@@ -1,11 +1,5 @@
 # DeDRM_tools
 DeDRM tools for ebooks
-# [Guide] How to remove DRM
-Refer to [Wiki Page](https://github.com/apprenticeharper/DeDRM_tools/wiki/Exactly-how-to-remove-DRM)
-# calibre 5.0
-
-Yes, we know that the plugin doesn't work with calibre 5.0. It will eventually, but there's a lot of code to be translated that does complicated stuff with bits and bytes that must be converted by hand. It'll take a while.
-
 
 This is a repository of all the scripts and other tools for removing DRM from ebooks that I could find, committed in date order as best as I could manage. (Except for the Requiem tools for Apple's iBooks, and Convert LIT for Microsoft's .lit ebooks.)
 

make_release.py

@@ -1,5 +1,5 @@
-#!/usr/bin/env python3
-# -*- coding: utf-8 -*-
+#!/usr/bin/env python
+# code: utf-8
 
 '''
 A wrapper script to generate zip files for GitHub releases.
@@ -13,12 +13,25 @@ import os
 import shutil
 
 
-DEDRM_SRC_DIR = 'DeDRM_plugin'
-DEDRM_README= 'DeDRM_plugin_ReadMe.txt'
+DEDRM_SRC_DIR = 'DeDRM_Plugin'
+DEDRM_README= 'DeDRM_Plugin_ReadMe.txt'
 OBOK_SRC_DIR = 'Obok_plugin'
-OBOK_README = 'obok_plugin_ReadMe.txt'
+OBOK_README = 'Obok_plugin_ReadMe.txt'
 RELEASE_DIR = 'release'
 
+def make_calibre_plugin():
+
+    shutil.make_archive(core_dir, 'zip', core_dir)
+    shutil.rmtree(core_dir)
+
+
+def make_obok_plugin():
+    obok_plugin_dir = os.path.join(SHELLS_BASE, 'Obok_calibre_plugin')
+    core_dir = os.path.join(obok_plugin_dir, 'obok_plugin')
+
+    shutil.copytree(OBOK_SRC_DIR, core_dir)
+    shutil.make_archive(core_dir, 'zip')
+    shutil.rmtree(core_dir)
 
 def make_release(version):
     try: