mirror of
https://github.com/noDRM/DeDRM_tools.git
synced 2024-11-17 03:16:09 +06:00
475 lines
22 KiB
Python
475 lines
22 KiB
Python
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# vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:ai
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from __future__ import (unicode_literals, division, absolute_import,
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print_function)
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__license__ = 'GPL v3'
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__docformat__ = 'restructuredtext en'
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import os, zipfile
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try:
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from PyQt5.Qt import QToolButton, QUrl
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except ImportError:
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from PyQt4.Qt import QToolButton, QUrl
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from calibre.gui2 import open_url, question_dialog
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from calibre.gui2.actions import InterfaceAction
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from calibre.utils.config import config_dir
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from calibre.ptempfile import (PersistentTemporaryDirectory,
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PersistentTemporaryFile, remove_dir)
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from calibre.ebooks.metadata.meta import get_metadata
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from calibre_plugins.obok_dedrm.dialogs import (SelectionDialog, DecryptAddProgressDialog,
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AddEpubFormatsProgressDialog, ResultsSummaryDialog)
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from calibre_plugins.obok_dedrm.config import plugin_prefs as cfg
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from calibre_plugins.obok_dedrm.__init__ import (PLUGIN_NAME, PLUGIN_SAFE_NAME,
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PLUGIN_VERSION, PLUGIN_DESCRIPTION, HELPFILE_NAME)
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from calibre_plugins.obok_dedrm.utilities import (
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get_icon, set_plugin_icon_resources, showErrorDlg, format_plural,
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debug_print
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)
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from calibre_plugins.obok_dedrm.obok.obok import KoboLibrary
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from calibre_plugins.obok_dedrm.obok.legacy_obok import legacy_obok
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PLUGIN_ICONS = ['images/obok.png']
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try:
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debug_print("obok::action_err.py - loading translations")
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load_translations()
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except NameError:
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debug_print("obok::action_err.py - exception when loading translations")
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pass # load_translations() added in calibre 1.9
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class InterfacePluginAction(InterfaceAction):
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name = PLUGIN_NAME
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action_spec = (PLUGIN_NAME, None,
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_(PLUGIN_DESCRIPTION), None)
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popup_type = QToolButton.InstantPopup
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action_type = 'current'
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def genesis(self):
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icon_resources = self.load_resources(PLUGIN_ICONS)
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set_plugin_icon_resources(PLUGIN_NAME, icon_resources)
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self.qaction.setIcon(get_icon(PLUGIN_ICONS[0]))
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self.qaction.triggered.connect(self.launchObok)
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self.gui.keyboard.finalize()
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def launchObok(self):
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'''
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Main processing/distribution method
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'''
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self.count = 0
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self.books_to_add = []
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self.formats_to_add = []
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self.add_books_cancelled = False
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self.decryption_errors = []
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self.userkeys = []
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self.duplicate_book_list = []
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self.no_home_for_book = []
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self.ids_of_new_books = []
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self.successful_format_adds =[]
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self.add_formats_cancelled = False
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self.tdir = PersistentTemporaryDirectory('_obok', prefix='')
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self.db = self.gui.current_db.new_api
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self.current_idx = self.gui.library_view.currentIndex()
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print ('Running {}'.format(PLUGIN_NAME + ' v' + PLUGIN_VERSION))
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# Get the Kobo Library object (obok v3.01)
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self.library = KoboLibrary()
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# Get a list of Kobo titles
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books = self.build_book_list()
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if len(books) < 1:
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msg = _('<p>No books found in Kobo Library\nAre you sure it\'s installed\configured\synchronized?')
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showErrorDlg(msg, None)
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return
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# Check to see if a key can be retrieved using the legacy obok method.
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legacy_key = legacy_obok().get_legacy_cookie_id
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if legacy_key is not None:
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print (_('Legacy key found: '), legacy_key.encode('hex_codec'))
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self.userkeys.append(legacy_key)
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# Add userkeys found through the normal obok method to the list to try.
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try:
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candidate_keys = self.library.userkeys
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except:
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print (_('Trouble retrieving keys with newer obok method.'))
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else:
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if len(candidate_keys):
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self.userkeys.extend(candidate_keys)
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print (_('Found {0} possible keys to try.').format(len(self.userkeys)))
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if not len(self.userkeys):
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msg = _('<p>No userkeys found to decrypt books with. No point in proceeding.')
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showErrorDlg(msg, None)
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return
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# Launch the Dialog so the user can select titles.
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dlg = SelectionDialog(self.gui, self, books)
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if dlg.exec_():
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books_to_import = dlg.getBooks()
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self.count = len(books_to_import)
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debug_print("InterfacePluginAction::launchObok - number of books to decrypt: %d" % self.count)
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# Feed the titles, the callback function (self.get_decrypted_kobo_books)
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# and the Kobo library object to the ProgressDialog dispatcher.
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d = DecryptAddProgressDialog(self.gui, books_to_import, self.get_decrypted_kobo_books, self.library, 'kobo',
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status_msg_type='Kobo books', action_type=('Decrypting', 'Decryption'))
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# Canceled the decryption process; clean up and exit.
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if d.wasCanceled():
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print (_('{} - Decryption canceled by user.').format(PLUGIN_NAME + ' v' + PLUGIN_VERSION))
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self.library.close()
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remove_dir(self.tdir)
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return
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else:
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# Canceled the selection process; clean up and exit.
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self.library.close()
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remove_dir(self.tdir)
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return
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# Close Kobo Library object
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self.library.close()
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# If we have decrypted books to work with, feed the list of decrypted books details
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# and the callback function (self.add_new_books) to the ProgressDialog dispatcher.
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if len(self.books_to_add):
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d = DecryptAddProgressDialog(self.gui, self.books_to_add, self.add_new_books, self.db, 'calibre',
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status_msg_type='new calibre books', action_type=('Adding','Addition'))
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# Canceled the "add new books to calibre" process;
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# show the results of what got added before cancellation.
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if d.wasCanceled():
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print (_('{} - "Add books" canceled by user.').format(PLUGIN_NAME + ' v' + PLUGIN_VERSION))
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self.add_books_cancelled = True
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print (_('{} - wrapping up results.').format(PLUGIN_NAME + ' v' + PLUGIN_VERSION))
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self.wrap_up_results()
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remove_dir(self.tdir)
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return
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# If books couldn't be added because of duplicate entries in calibre, ask
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# if we should try to add the decrypted epubs to existing calibre library entries.
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if len(self.duplicate_book_list):
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if cfg['finding_homes_for_formats'] == 'Always':
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self.process_epub_formats()
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elif cfg['finding_homes_for_formats'] == 'Never':
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self.no_home_for_book.extend([entry[0] for entry in self.duplicate_book_list])
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else:
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if self.ask_about_inserting_epubs():
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# Find homes for the epub decrypted formats in existing calibre library entries.
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self.process_epub_formats()
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else:
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print (_('{} - User opted not to try to insert EPUB formats').format(PLUGIN_NAME + ' v' + PLUGIN_VERSION))
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self.no_home_for_book.extend([entry[0] for entry in self.duplicate_book_list])
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print (_('{} - wrapping up results.').format(PLUGIN_NAME + ' v' + PLUGIN_VERSION))
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self.wrap_up_results()
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remove_dir(self.tdir)
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return
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def show_help(self):
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'''
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Extract on demand the help file resource
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'''
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def get_help_file_resource():
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# We will write the help file out every time, in case the user upgrades the plugin zip
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# and there is a newer help file contained within it.
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file_path = os.path.join(config_dir, 'plugins', HELPFILE_NAME)
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file_data = self.load_resources(HELPFILE_NAME)[HELPFILE_NAME]
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with open(file_path,'w') as f:
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f.write(file_data)
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return file_path
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url = 'file:///' + get_help_file_resource()
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open_url(QUrl(url))
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def build_book_list(self):
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'''
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Connect to Kobo db and get titles.
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'''
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return self.library.books
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def get_decrypted_kobo_books(self, book):
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'''
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This method is a call-back function used by DecryptAddProgressDialog in dialogs.py to decrypt Kobo books
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:param book: A KoboBook object that is to be decrypted.
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'''
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print (_('{0} - Decrypting {1}').format(PLUGIN_NAME + ' v' + PLUGIN_VERSION, book.title))
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decrypted = self.decryptBook(book)
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if decrypted['success']:
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# Build a list of calibre "book maps" for calibre's add_book function.
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mi = get_metadata(decrypted['fileobj'], 'epub')
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bookmap = {'EPUB':decrypted['fileobj'].name}
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self.books_to_add.append((mi, bookmap))
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else:
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# Book is probably still encrypted.
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print (_('{0} - Couldn\'t decrypt {1}').format(PLUGIN_NAME + ' v' + PLUGIN_VERSION, book.title))
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self.decryption_errors.append((book.title, _('decryption errors')))
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return False
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return True
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def add_new_books(self, books_to_add):
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'''
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This method is a call-back function used by DecryptAddProgressDialog in dialogs.py to add books to calibre
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(It's set up to handle multiple books, but will only be fed books one at a time by DecryptAddProgressDialog)
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:param books_to_add: List of calibre bookmaps (created in get_decrypted_kobo_books)
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'''
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added = self.db.add_books(books_to_add, add_duplicates=False, run_hooks=False)
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if len(added[0]):
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# Record the id(s) that got added
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for id in added[0]:
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print (_('{0} - Added {1}').format(PLUGIN_NAME + ' v' + PLUGIN_VERSION, books_to_add[0][0].title))
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self.ids_of_new_books.append((id, books_to_add[0][0]))
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if len(added[1]):
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# Build a list of details about the books that didn't get added because duplicate were detected.
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for mi, map in added[1]:
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print (_('{0} - {1} already exists. Will try to add format later.').format(PLUGIN_NAME + ' v' + PLUGIN_VERSION, mi.title))
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self.duplicate_book_list.append((mi, map['EPUB'], _('duplicate detected')))
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return False
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return True
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def add_epub_format(self, book_id, mi, path):
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'''
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This method is a call-back function used by AddEpubFormatsProgressDialog in dialogs.py
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:param book_id: calibre ID of the book to add the encrypted epub to.
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:param mi: calibre metadata object
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:param path: path to the decrypted epub (temp file)
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'''
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if self.db.add_format(book_id, 'EPUB', path, replace=False, run_hooks=False):
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self.successful_format_adds.append((book_id, mi))
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print (_('{0} - Successfully added EPUB format to existing {1}').format(PLUGIN_NAME + ' v' + PLUGIN_VERSION, mi.title))
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return True
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# we really shouldn't get here.
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print (_('{0} - Error adding EPUB format to existing {1}. This really shouldn\'t happen.').format(PLUGIN_NAME + ' v' + PLUGIN_VERSION, mi.title))
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self.no_home_for_book.append(mi)
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return False
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def process_epub_formats(self):
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'''
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Ask the user if they want to try to find homes for those books that already had an entry in calibre
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'''
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for book in self.duplicate_book_list:
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mi, tmp_file = book[0], book[1]
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dup_ids = self.db.find_identical_books(mi)
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home_id = self.find_a_home(dup_ids)
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if home_id is not None:
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# Found an epub-free duplicate to add the epub to.
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# build a list for the add_epub_format method to use.
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self.formats_to_add.append((home_id, mi, tmp_file))
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else:
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self.no_home_for_book.append(mi)
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# If we found homes for decrypted epubs in existing calibre entries, feed the list of decrypted book
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# details and the callback function (self.add_epub_format) to the ProgressDialog dispatcher.
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if self.formats_to_add:
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d = AddEpubFormatsProgressDialog(self.gui, self.formats_to_add, self.add_epub_format)
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if d.wasCanceled():
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print (_('{} - "Insert formats" canceled by user.').format(PLUGIN_NAME + ' v' + PLUGIN_VERSION))
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self.add_formats_cancelled = True
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return
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#return
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return
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def wrap_up_results(self):
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'''
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Present the results
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'''
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caption = PLUGIN_NAME + ' v' + PLUGIN_VERSION
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# Refresh the gui and highlight new entries/modified entries.
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if len(self.ids_of_new_books) or len(self.successful_format_adds):
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self.refresh_gui_lib()
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msg, log = self.build_report()
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sd = ResultsSummaryDialog(self.gui, caption, msg, log)
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sd.exec_()
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return
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def ask_about_inserting_epubs(self):
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'''
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Build question dialog with details about kobo books
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that couldn't be added to calibre as new books.
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'''
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''' Terisa: Improve the message
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'''
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caption = PLUGIN_NAME + ' v' + PLUGIN_VERSION
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plural = format_plural(len(self.ids_of_new_books))
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det_msg = ''
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if self.count > 1:
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msg = _('<p><b>{0}</b> EPUB{2} successfully added to library.<br /><br /><b>{1}</b> ').format(len(self.ids_of_new_books), len(self.duplicate_book_list), plural)
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msg += _('not added because books with the same title/author were detected.<br /><br />Would you like to try and add the EPUB format{0}').format(plural)
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msg += _(' to those existing entries?<br /><br />NOTE: no pre-existing EPUBs will be overwritten.')
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for entry in self.duplicate_book_list:
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det_msg += _('{0} -- not added because of {1} in your library.\n\n').format(entry[0].title, entry[2])
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else:
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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])
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msg += _('Would you like to try and add the EPUB format to an available calibre duplicate?<br /><br />')
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msg += _('NOTE: no pre-existing EPUB will be overwritten.')
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return question_dialog(self.gui, caption, msg, det_msg)
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def find_a_home(self, ids):
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'''
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Find the ID of the first EPUB-Free duplicate available
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:param ids: List of calibre IDs that might serve as a home.
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'''
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for id in ids:
|
||
|
|
# Find the first entry that matches the incoming book that doesn't have an EPUB format.
|
||
|
|
if not self.db.has_format(id, 'EPUB'):
|
||
|
|
return id
|
||
|
|
break
|
||
|
|
return None
|
||
|
|
|
||
|
|
def refresh_gui_lib(self):
|
||
|
|
'''
|
||
|
|
Update the GUI; highlight the books that were added/modified
|
||
|
|
'''
|
||
|
|
if self.current_idx.isValid():
|
||
|
|
self.gui.library_view.model().current_changed(self.current_idx, self.current_idx)
|
||
|
|
new_entries = [id for id, mi in self.ids_of_new_books]
|
||
|
|
if new_entries:
|
||
|
|
self.gui.library_view.model().db.data.books_added(new_entries)
|
||
|
|
self.gui.library_view.model().books_added(len(new_entries))
|
||
|
|
new_entries.extend([id for id, mi in self.successful_format_adds])
|
||
|
|
self.gui.db_images.reset()
|
||
|
|
self.gui.tags_view.recount()
|
||
|
|
self.gui.library_view.model().set_highlight_only(True)
|
||
|
|
self.gui.library_view.select_rows(new_entries)
|
||
|
|
return
|
||
|
|
|
||
|
|
def decryptBook(self, book):
|
||
|
|
'''
|
||
|
|
Decrypt Kobo book
|
||
|
|
|
||
|
|
:param book: obok file object
|
||
|
|
'''
|
||
|
|
result = {}
|
||
|
|
result['success'] = False
|
||
|
|
result['fileobj'] = None
|
||
|
|
|
||
|
|
zin = zipfile.ZipFile(book.filename, 'r')
|
||
|
|
#print ('Kobo library filename: {0}'.format(book.filename))
|
||
|
|
for userkey in self.userkeys:
|
||
|
|
print (_('Trying key: '), userkey.encode('hex_codec'))
|
||
|
|
check = True
|
||
|
|
try:
|
||
|
|
fileout = PersistentTemporaryFile('.epub', dir=self.tdir)
|
||
|
|
#print ('Temp file: {0}'.format(fileout.name))
|
||
|
|
# modify the output file to be compressed by default
|
||
|
|
zout = zipfile.ZipFile(fileout.name, "w", zipfile.ZIP_DEFLATED)
|
||
|
|
# ensure that the mimetype file is the first written to the epub container
|
||
|
|
# and is stored with no compression
|
||
|
|
members = zin.namelist();
|
||
|
|
try:
|
||
|
|
members.remove('mimetype')
|
||
|
|
except Exception:
|
||
|
|
pass
|
||
|
|
zout.writestr('mimetype', 'application/epub+zip', zipfile.ZIP_STORED)
|
||
|
|
# end of mimetype mod
|
||
|
|
for filename in members:
|
||
|
|
contents = zin.read(filename)
|
||
|
|
if filename in book.encryptedfiles:
|
||
|
|
file = book.encryptedfiles[filename]
|
||
|
|
contents = file.decrypt(userkey, contents)
|
||
|
|
# Parse failures mean the key is probably wrong.
|
||
|
|
if check:
|
||
|
|
check = not file.check(contents)
|
||
|
|
zout.writestr(filename, contents)
|
||
|
|
zout.close()
|
||
|
|
zin.close()
|
||
|
|
result['success'] = True
|
||
|
|
result['fileobj'] = fileout
|
||
|
|
print ('Success!')
|
||
|
|
return result
|
||
|
|
except ValueError:
|
||
|
|
print (_('Decryption failed, trying next key.'))
|
||
|
|
zout.close()
|
||
|
|
continue
|
||
|
|
except Exception:
|
||
|
|
print (_('Unknown Error decrypting, trying next key..'))
|
||
|
|
zout.close()
|
||
|
|
continue
|
||
|
|
result['fileobj'] = book.filename
|
||
|
|
zin.close()
|
||
|
|
return result
|
||
|
|
|
||
|
|
def build_report(self):
|
||
|
|
log = ''
|
||
|
|
processed = len(self.ids_of_new_books) + len(self.successful_format_adds)
|
||
|
|
|
||
|
|
if processed == self.count:
|
||
|
|
if self.count > 1:
|
||
|
|
msg = _('<p>All selected Kobo books added as new calibre books or inserted into existing calibre ebooks.<br /><br />No issues.')
|
||
|
|
else:
|
||
|
|
# Single book ... don't get fancy.
|
||
|
|
title = self.ids_of_new_books[0][1].title if self.ids_of_new_books else self.successful_format_adds[0][1].title
|
||
|
|
msg = _('<p>{0} successfully added.').format(title)
|
||
|
|
return (msg, log)
|
||
|
|
else:
|
||
|
|
if self.count != 1:
|
||
|
|
msg = _('<p>Not all selected Kobo books made it into calibre.<br /><br />View report for details.')
|
||
|
|
log += _('<p><b>Total attempted:</b> {}</p>\n').format(self.count)
|
||
|
|
log += _('<p><b>Decryption errors:</b> {}</p>\n').format(len(self.decryption_errors))
|
||
|
|
if self.decryption_errors:
|
||
|
|
log += '<ul>\n'
|
||
|
|
for title, reason in self.decryption_errors:
|
||
|
|
log += '<li>{}</li>\n'.format(title)
|
||
|
|
log += '</ul>\n'
|
||
|
|
log += _('<p><b>New Books created:</b> {}</p>\n').format(len(self.ids_of_new_books))
|
||
|
|
if self.ids_of_new_books:
|
||
|
|
log += '<ul>\n'
|
||
|
|
for id, mi in self.ids_of_new_books:
|
||
|
|
log += '<li>{}</li>\n'.format(mi.title)
|
||
|
|
log += '</ul>\n'
|
||
|
|
if self.add_books_cancelled:
|
||
|
|
log += _('<p><b>Duplicates that weren\'t added:</b> {}</p>\n').format(len(self.duplicate_book_list))
|
||
|
|
if self.duplicate_book_list:
|
||
|
|
log += '<ul>\n'
|
||
|
|
for book in self.duplicate_book_list:
|
||
|
|
log += '<li>{}</li>\n'.format(book[0].title)
|
||
|
|
log += '</ul>\n'
|
||
|
|
cancelled_count = self.count - (len(self.decryption_errors) + len(self.ids_of_new_books) + len(self.duplicate_book_list))
|
||
|
|
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))
|
||
|
|
if self.successful_format_adds:
|
||
|
|
log += '<ul>\n'
|
||
|
|
for id, mi in self.successful_format_adds:
|
||
|
|
log += '<li>{}</li>\n'.format(mi.title)
|
||
|
|
log += '</ul>\n'
|
||
|
|
log += _('<p><b>EPUB formats NOT inserted into existing calibre books:</b> {}<br />\n').format(len(self.no_home_for_book))
|
||
|
|
log += _('(Either because the user <i>chose</i> not to insert them, or because all duplicates already had an EPUB format)')
|
||
|
|
if self.no_home_for_book:
|
||
|
|
log += '<ul>\n'
|
||
|
|
for mi in self.no_home_for_book:
|
||
|
|
log += '<li>{}</li>\n'.format(mi.title)
|
||
|
|
log += '</ul>\n'
|
||
|
|
if self.add_formats_cancelled:
|
||
|
|
cancelled_count = self.count - (len(self.decryption_errors) + len(self.ids_of_new_books) + len(self.successful_format_adds) + len(self.no_home_for_book))
|
||
|
|
if cancelled_count > 0:
|
||
|
|
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
|
||
|
|
elif self.successful_format_adds:
|
||
|
|
title = self.successful_format_adds[0][1].title
|
||
|
|
elif self.no_home_for_book:
|
||
|
|
title = self.no_home_for_book[0].title
|
||
|
|
elif self.decryption_errors:
|
||
|
|
title = self.decryption_errors[0][0]
|
||
|
|
else:
|
||
|
|
title = _('Unknown Book Title')
|
||
|
|
if self.decryption_errors:
|
||
|
|
reason = _('it couldn\'t be decrypted.')
|
||
|
|
elif self.no_home_for_book:
|
||
|
|
reason = _('user CHOSE not to insert the new EPUB format, or all existing calibre entries HAD an EPUB format already.')
|
||
|
|
else:
|
||
|
|
reason = _('of unknown reasons. Gosh I\'m embarrassed!')
|
||
|
|
msg = _('<p>{0} not added because {1}').format(title, reason)
|
||
|
|
return (msg, log)
|
||
|
|
|