def load_store_plugins(self): from calibre.gui2.store.loader import Stores self.istores = Stores() for store in available_store_plugins(): if self.opts.ignore_plugins and store.plugin_path is not None: continue try: st = self.init_istore(store) self.add_istore(st) except: # Ignore errors in loading user supplied plugins import traceback traceback.print_exc() if store.plugin_path is None: raise continue self.istores.builtins_loaded()
class Main( MainWindow, MainWindowMixin, DeviceMixin, EmailMixin, # {{{ TagBrowserMixin, CoverFlowMixin, LibraryViewMixin, SearchBoxMixin, SavedSearchBoxMixin, SearchRestrictionMixin, LayoutMixin, UpdateMixin, EbookDownloadMixin): 'The main GUI' proceed_requested = pyqtSignal(object, object) book_converted = pyqtSignal(object, object) shutting_down = False def __init__(self, opts, parent=None, gui_debug=None): global _gui MainWindow.__init__(self, opts, parent=parent, disable_automatic_gc=True) self.setWindowIcon(QApplication.instance().windowIcon()) self.jobs_pointer = Pointer(self) self.proceed_requested.connect(self.do_proceed, type=Qt.QueuedConnection) self.proceed_question = ProceedQuestion(self) self.job_error_dialog = JobError(self) self.keyboard = Manager(self) _gui = self self.opts = opts self.device_connected = None self.gui_debug = gui_debug self.iactions = OrderedDict() # Actions for action in interface_actions(): if opts.ignore_plugins and action.plugin_path is not None: continue try: ac = self.init_iaction(action) except: # Ignore errors in loading user supplied plugins import traceback traceback.print_exc() if action.plugin_path is None: raise continue ac.plugin_path = action.plugin_path ac.interface_action_base_plugin = action self.add_iaction(ac) self.load_store_plugins() def init_iaction(self, action): ac = action.load_actual_plugin(self) ac.plugin_path = action.plugin_path ac.interface_action_base_plugin = action action.actual_iaction_plugin_loaded = True return ac def add_iaction(self, ac): acmap = self.iactions if ac.name in acmap: if ac.priority >= acmap[ac.name].priority: acmap[ac.name] = ac else: acmap[ac.name] = ac def load_store_plugins(self): from calibre.gui2.store.loader import Stores self.istores = Stores() for store in available_store_plugins(): if self.opts.ignore_plugins and store.plugin_path is not None: continue try: st = self.init_istore(store) self.add_istore(st) except: # Ignore errors in loading user supplied plugins import traceback traceback.print_exc() if store.plugin_path is None: raise continue self.istores.builtins_loaded() def init_istore(self, store): st = store.load_actual_plugin(self) st.plugin_path = store.plugin_path st.base_plugin = store store.actual_istore_plugin_loaded = True return st def add_istore(self, st): stmap = self.istores if st.name in stmap: if st.priority >= stmap[st.name].priority: stmap[st.name] = st else: stmap[st.name] = st def initialize(self, library_path, db, listener, actions, show_gui=True): opts = self.opts self.preferences_action, self.quit_action = actions self.library_path = library_path self.content_server = None self._spare_pool = None self.must_restart_before_config = False self.listener = Listener(listener) self.check_messages_timer = QTimer() self.check_messages_timer.timeout.connect( self.another_instance_wants_to_talk) self.check_messages_timer.start(1000) for ac in self.iactions.values(): try: ac.do_genesis() except Exception: # Ignore errors in third party plugins import traceback traceback.print_exc() if getattr(ac, 'plugin_path', None) is None: raise self.donate_action = QAction(QIcon(I('donate.png')), _('&Donate to support calibre'), self) for st in self.istores.values(): st.do_genesis() MainWindowMixin.init_main_window_mixin(self, db) # Jobs Button {{{ self.job_manager = JobManager() self.jobs_dialog = JobsDialog(self, self.job_manager) self.jobs_button = JobsButton(horizontal=True, parent=self) self.jobs_button.initialize(self.jobs_dialog, self.job_manager) # }}} LayoutMixin.init_layout_mixin(self) DeviceMixin.init_device_mixin(self) self.progress_indicator = ProgressIndicator(self) self.progress_indicator.pos = (0, 20) self.verbose = opts.verbose self.get_metadata = GetMetadata() self.upload_memory = {} self.metadata_dialogs = [] self.default_thumbnail = None self.tb_wrapper = textwrap.TextWrapper(width=40) self.viewers = collections.deque() self.system_tray_icon = None if config['systray_icon']: self.system_tray_icon = factory( app_id='com.calibre-ebook.gui').create_system_tray_icon( parent=self, title='calibre') if self.system_tray_icon is not None: self.system_tray_icon.setIcon( QIcon(I('lt.png', allow_user_override=False))) if not (iswindows or isosx): self.system_tray_icon.setIcon( QIcon.fromTheme('calibre-gui', self.system_tray_icon.icon())) self.system_tray_icon.setToolTip(self.jobs_button.tray_tooltip()) self.system_tray_icon.setVisible(True) self.jobs_button.tray_tooltip_updated.connect( self.system_tray_icon.setToolTip) elif config['systray_icon']: prints( 'Failed to create system tray icon, your desktop environment probably does not support the StatusNotifier spec' ) self.system_tray_menu = QMenu(self) self.toggle_to_tray_action = self.system_tray_menu.addAction( QIcon(I('page.png')), '') self.toggle_to_tray_action.triggered.connect( self.system_tray_icon_activated) self.system_tray_menu.addAction(self.donate_action) self.donate_button.clicked.connect(self.donate_action.trigger) self.donate_button.setToolTip(self.donate_action.text().replace( '&', '')) self.donate_button.setIcon(self.donate_action.icon()) self.donate_button.setStatusTip(self.donate_button.toolTip()) self.eject_action = self.system_tray_menu.addAction( QIcon(I('eject.png')), _('&Eject connected device')) self.eject_action.setEnabled(False) self.addAction(self.quit_action) self.system_tray_menu.addAction(self.quit_action) self.keyboard.register_shortcut('quit calibre', _('Quit calibre'), default_keys=('Ctrl+Q', ), action=self.quit_action) if self.system_tray_icon is not None: self.system_tray_icon.setContextMenu(self.system_tray_menu) self.system_tray_icon.activated.connect( self.system_tray_icon_activated) self.quit_action.triggered[bool].connect(self.quit) self.donate_action.triggered[bool].connect(self.donate) self.minimize_action = QAction(_('Minimize the calibre window'), self) self.addAction(self.minimize_action) self.keyboard.register_shortcut('minimize calibre', self.minimize_action.text(), default_keys=(), action=self.minimize_action) self.minimize_action.triggered.connect(self.showMinimized) self.esc_action = QAction(self) self.addAction(self.esc_action) self.keyboard.register_shortcut('clear current search', _('Clear the current search'), default_keys=('Esc', ), action=self.esc_action) self.esc_action.triggered.connect(self.esc) self.shift_esc_action = QAction(self) self.addAction(self.shift_esc_action) self.keyboard.register_shortcut('focus book list', _('Focus the book list'), default_keys=('Shift+Esc', ), action=self.shift_esc_action) self.shift_esc_action.triggered.connect(self.shift_esc) self.ctrl_esc_action = QAction(self) self.addAction(self.ctrl_esc_action) self.keyboard.register_shortcut('clear virtual library', _('Clear the virtual library'), default_keys=('Ctrl+Esc', ), action=self.ctrl_esc_action) self.ctrl_esc_action.triggered.connect(self.ctrl_esc) self.alt_esc_action = QAction(self) self.addAction(self.alt_esc_action) self.keyboard.register_shortcut('clear additional restriction', _('Clear the additional restriction'), default_keys=('Alt+Esc', ), action=self.alt_esc_action) self.alt_esc_action.triggered.connect( self.clear_additional_restriction) # ###################### Start spare job server ######################## QTimer.singleShot(1000, self.create_spare_pool) # ###################### Location Manager ######################## self.location_manager.location_selected.connect(self.location_selected) self.location_manager.unmount_device.connect( self.device_manager.umount_device) self.location_manager.configure_device.connect( self.configure_connected_device) self.location_manager.update_device_metadata.connect( self.update_metadata_on_device) self.eject_action.triggered.connect(self.device_manager.umount_device) # ################### Update notification ################### UpdateMixin.init_update_mixin(self, opts) # ###################### Search boxes ######################## SearchRestrictionMixin.init_search_restriction_mixin(self) SavedSearchBoxMixin.init_saved_seach_box_mixin(self) # ###################### Library view ######################## LibraryViewMixin.init_library_view_mixin(self, db) SearchBoxMixin.init_search_box_mixin(self) # Requires current_db if show_gui: self.show() if self.system_tray_icon is not None and self.system_tray_icon.isVisible( ) and opts.start_in_tray: self.hide_windows() self.library_view.model().count_changed_signal.connect( self.iactions['Choose Library'].count_changed) if not gprefs.get('quick_start_guide_added', False): try: add_quick_start_guide(self.library_view) except: import traceback traceback.print_exc() for view in ('library', 'memory', 'card_a', 'card_b'): v = getattr(self, '%s_view' % view) v.selectionModel().selectionChanged.connect(self.update_status_bar) v.model().count_changed_signal.connect(self.update_status_bar) self.library_view.model().count_changed() self.bars_manager.database_changed(self.library_view.model().db) self.library_view.model().database_changed.connect( self.bars_manager.database_changed, type=Qt.QueuedConnection) # ########################## Tags Browser ############################## TagBrowserMixin.init_tag_browser_mixin(self, db) # ######################## Search Restriction ########################## if db.prefs['virtual_lib_on_startup']: self.apply_virtual_library(db.prefs['virtual_lib_on_startup']) self.rebuild_vl_tabs() # ########################## Cover Flow ################################ CoverFlowMixin.init_cover_flow_mixin(self) self._calculated_available_height = min(max_available_height() - 15, self.height()) self.resize(self.width(), self._calculated_available_height) self.build_context_menus() for ac in self.iactions.values(): try: ac.gui_layout_complete() except: import traceback traceback.print_exc() if ac.plugin_path is None: raise if config['autolaunch_server']: self.start_content_server() self.read_settings() self.finalize_layout() if self.bars_manager.showing_donate: self.donate_button.start_animation() self.set_window_title() for ac in self.iactions.values(): try: ac.initialization_complete() except: import traceback traceback.print_exc() if ac.plugin_path is None: raise self.set_current_library_information(current_library_name(), db.library_id, db.field_metadata) register_keyboard_shortcuts() self.keyboard.finalize() self.auto_adder = AutoAdder(gprefs['auto_add_path'], self) self.save_layout_state() # Collect cycles now gc.collect() QApplication.instance().shutdown_signal_received.connect(self.quit) if show_gui and self.gui_debug is not None: QTimer.singleShot(10, self.show_gui_debug_msg) self.iactions['Connect Share'].check_smartdevice_menus() QTimer.singleShot(1, self.start_smartdevice) QTimer.singleShot(100, self.update_toggle_to_tray_action) def show_gui_debug_msg(self): info_dialog(self, _('Debug mode'), '<p>' + _('You have started calibre in debug mode. After you ' 'quit calibre, the debug log will be available in ' 'the file: %s<p>The ' 'log will be displayed automatically.') % self.gui_debug, show=True) def esc(self, *args): self.clear_button.click() def shift_esc(self): self.current_view().setFocus(Qt.OtherFocusReason) def ctrl_esc(self): self.apply_virtual_library() self.current_view().setFocus(Qt.OtherFocusReason) def start_smartdevice(self): message = None if self.device_manager.get_option('smartdevice', 'autostart'): try: message = self.device_manager.start_plugin('smartdevice') except: message = 'start smartdevice unknown exception' prints(message) import traceback traceback.print_exc() if message: if not self.device_manager.is_running('Wireless Devices'): error_dialog( self, _('Problem starting the wireless device'), _('The wireless device driver had problems starting. ' 'It said "%s"') % message, show=True) self.iactions['Connect Share'].set_smartdevice_action_state() def start_content_server(self, check_started=True): from calibre.library.server.main import start_threaded_server from calibre.library.server import server_config self.content_server = start_threaded_server( self.library_view.model().db, server_config().parse()) self.content_server.state_callback = Dispatcher( self.iactions['Connect Share'].content_server_state_changed) if check_started: self.content_server.start_failure_callback = \ Dispatcher(self.content_server_start_failed) def content_server_start_failed(self, msg): error_dialog(self, _('Failed to start Content Server'), _('Could not start the content server. Error:\n\n%s') % msg, show=True) def resizeEvent(self, ev): MainWindow.resizeEvent(self, ev) self.search.setMaximumWidth(self.width() - 150) def create_spare_pool(self, *args): if self._spare_pool is None: num = min(detect_ncpus(), int(config['worker_limit'] / 2.0)) self._spare_pool = Pool(max_workers=num, name='GUIPool') def spare_pool(self): ans, self._spare_pool = self._spare_pool, None QTimer.singleShot(1000, self.create_spare_pool) return ans def do_proceed(self, func, payload): if callable(func): func(payload) def no_op(self, *args): pass def system_tray_icon_activated(self, r=False): if r in (QSystemTrayIcon.Trigger, QSystemTrayIcon.MiddleClick, False): if self.isVisible(): if self.isMinimized(): self.showNormal() else: self.hide_windows() else: self.show_windows() if self.isMinimized(): self.showNormal() @property def is_minimized_to_tray(self): return getattr(self, '__systray_minimized', False) def ask_a_yes_no_question(self, title, msg, det_msg='', show_copy_button=False, ans_when_user_unavailable=True, skip_dialog_name=None, skipped_value=True): if self.is_minimized_to_tray: return ans_when_user_unavailable return question_dialog(self, title, msg, det_msg=det_msg, show_copy_button=show_copy_button, skip_dialog_name=skip_dialog_name, skip_dialog_skipped_value=skipped_value) def update_toggle_to_tray_action(self, *args): if hasattr(self, 'toggle_to_tray_action'): self.toggle_to_tray_action.setText( _('Hide main window') if self.isVisible( ) else _('Show main window')) def hide_windows(self): for window in QApplication.topLevelWidgets(): if isinstance(window, (MainWindow, QDialog)) and \ window.isVisible(): window.hide() setattr(window, '__systray_minimized', True) self.update_toggle_to_tray_action() def show_windows(self, *args): for window in QApplication.topLevelWidgets(): if getattr(window, '__systray_minimized', False): window.show() setattr(window, '__systray_minimized', False) self.update_toggle_to_tray_action() def test_server(self, *args): if self.content_server is not None and \ self.content_server.exception is not None: error_dialog(self, _('Failed to start content server'), unicode(self.content_server.exception)).exec_() @property def current_db(self): return self.library_view.model().db def another_instance_wants_to_talk(self): try: msg = self.listener.queue.get_nowait() except Empty: return if msg.startswith('launched:'): import json try: argv = json.loads(msg[len('launched:'):]) except ValueError: prints('Failed to decode message from other instance: %r' % msg) if DEBUG: error_dialog( self, 'Invalid message', 'Received an invalid message from other calibre instance.' ' Do you have multiple versions of calibre installed?', det_msg='Invalid msg: %r' % msg, show=True) argv = () if isinstance(argv, (list, tuple)) and len(argv) > 1: files = [ os.path.abspath(p) for p in argv[1:] if not os.path.isdir(p) and os.access(p, os.R_OK) ] if files: self.iactions['Add Books'].add_filesystem_book(files) self.setWindowState(self.windowState() & ~Qt.WindowMinimized | Qt.WindowActive) self.show_windows() self.raise_() self.activateWindow() elif msg.startswith('refreshdb:'): m = self.library_view.model() m.db.new_api.reload_from_db() m.db.data.refresh(clear_caches=False, do_search=False) m.resort() m.research() self.tags_view.recount() elif msg.startswith('shutdown:'): self.quit(confirm_quit=False) elif msg.startswith('bookedited:'): parts = msg.split(':')[1:] try: book_id, fmt, library_id = parts[:3] book_id = int(book_id) m = self.library_view.model() db = m.db.new_api if m.db.library_id == library_id and db.has_id(book_id): db.format_metadata(book_id, fmt, allow_cache=False, update_db=True) db.update_last_modified((book_id, )) m.refresh_ids((book_id, )) except Exception: import traceback traceback.print_exc() else: print msg def current_view(self): '''Convenience method that returns the currently visible view ''' idx = self.stack.currentIndex() if idx == 0: return self.library_view if idx == 1: return self.memory_view if idx == 2: return self.card_a_view if idx == 3: return self.card_b_view def booklists(self): return self.memory_view.model().db, self.card_a_view.model( ).db, self.card_b_view.model().db def library_moved(self, newloc, copy_structure=False, call_close=True, allow_rebuild=False): if newloc is None: return default_prefs = None try: olddb = self.library_view.model().db if copy_structure: default_prefs = olddb.prefs except: olddb = None try: db = LibraryDatabase(newloc, default_prefs=default_prefs) except apsw.Error: if not allow_rebuild: raise import traceback repair = question_dialog( self, _('Corrupted database'), _('The library database at %s appears to be corrupted. Do ' 'you want calibre to try and rebuild it automatically? ' 'The rebuild may not be completely successful.') % force_unicode(newloc, filesystem_encoding), det_msg=traceback.format_exc()) if repair: from calibre.gui2.dialogs.restore_library import repair_library_at if repair_library_at(newloc, parent=self): db = LibraryDatabase(newloc, default_prefs=default_prefs) else: return else: return if self.content_server is not None: self.content_server.set_database(db) self.library_path = newloc prefs['library_path'] = self.library_path self.book_on_device(None, reset=True) db.set_book_on_device_func(self.book_on_device) self.library_view.set_database(db) self.tags_view.set_database(db, self.alter_tb) self.library_view.model().set_book_on_device_func(self.book_on_device) self.status_bar.clear_message() self.search.clear() self.saved_search.clear() self.book_details.reset_info() # self.library_view.model().count_changed() db = self.library_view.model().db self.iactions['Choose Library'].count_changed(db.count()) self.set_window_title() self.apply_named_search_restriction('') # reset restriction to null self.saved_searches_changed( recount=False) # reload the search restrictions combo box if db.prefs['virtual_lib_on_startup']: self.apply_virtual_library(db.prefs['virtual_lib_on_startup']) self.rebuild_vl_tabs() for action in self.iactions.values(): action.library_changed(db) if olddb is not None: try: if call_close: olddb.close() except: import traceback traceback.print_exc() olddb.break_cycles() if self.device_connected: self.set_books_in_library(self.booklists(), reset=True) self.refresh_ondevice() self.memory_view.reset() self.card_a_view.reset() self.card_b_view.reset() self.set_current_library_information(current_library_name(), db.library_id, db.field_metadata) self.library_view.set_current_row(0) # Run a garbage collection now so that it does not freeze the # interface later gc.collect() def set_window_title(self): db = self.current_db restrictions = [ x for x in (db.data.get_base_restriction_name(), db.data.get_search_restriction_name()) if x ] restrictions = ' :: '.join(restrictions) font = QFont() if restrictions: restrictions = ' :: ' + restrictions font.setBold(True) font.setItalic(True) self.virtual_library.setFont(font) title = u'{0} - || {1}{2} ||'.format( __appname__, self.iactions['Choose Library'].library_name(), restrictions) self.setWindowTitle(title) def location_selected(self, location): ''' Called when a location icon is clicked (e.g. Library) ''' page = 0 if location == 'library' else 1 if location == 'main' else 2 if location == 'carda' else 3 self.stack.setCurrentIndex(page) self.book_details.reset_info() for x in ('tb', 'cb'): splitter = getattr(self, x + '_splitter') splitter.button.setEnabled(location == 'library') for action in self.iactions.values(): action.location_selected(location) if location == 'library': self.virtual_library_menu.setEnabled(True) self.highlight_only_button.setEnabled(True) self.vl_tabs.setEnabled(True) else: self.virtual_library_menu.setEnabled(False) self.highlight_only_button.setEnabled(False) self.vl_tabs.setEnabled(False) # Reset the view in case something changed while it was invisible self.current_view().reset() self.set_number_of_books_shown() self.update_status_bar() def job_exception(self, job, dialog_title=_('Conversion Error'), retry_func=None): if not hasattr(self, '_modeless_dialogs'): self._modeless_dialogs = [] minz = self.is_minimized_to_tray if self.isVisible(): for x in list(self._modeless_dialogs): if not x.isVisible(): self._modeless_dialogs.remove(x) try: if 'calibre.ebooks.DRMError' in job.details: if not minz: from calibre.gui2.dialogs.drm_error import DRMErrorMessage d = DRMErrorMessage( self, _('Cannot convert') + ' ' + job.description.split(':')[-1].partition('(')[-1][:-1]) d.setModal(False) d.show() self._modeless_dialogs.append(d) return if 'calibre.ebooks.oeb.transforms.split.SplitError' in job.details: title = job.description.split(':')[-1].partition('(')[-1][:-1] msg = _('<p><b>Failed to convert: %s') % title msg += '<p>' + _(''' Many older ebook reader devices are incapable of displaying EPUB files that have internal components over a certain size. Therefore, when converting to EPUB, calibre automatically tries to split up the EPUB into smaller sized pieces. For some files that are large undifferentiated blocks of text, this splitting fails. <p>You can <b>work around the problem</b> by either increasing the maximum split size under EPUB Output in the conversion dialog, or by turning on Heuristic Processing, also in the conversion dialog. Note that if you make the maximum split size too large, your ebook reader may have trouble with the EPUB. ''') if not minz: d = error_dialog(self, _('Conversion Failed'), msg, det_msg=job.details) d.setModal(False) d.show() self._modeless_dialogs.append(d) return if 'calibre.web.feeds.input.RecipeDisabled' in job.details: if not minz: msg = job.details msg = msg[msg. find('calibre.web.feeds.input.RecipeDisabled:'):] msg = msg.partition(':')[-1] d = error_dialog(self, _('Recipe Disabled'), '<p>%s</p>' % msg) d.setModal(False) d.show() self._modeless_dialogs.append(d) return if 'calibre.ebooks.conversion.ConversionUserFeedBack:' in job.details: if not minz: import json payload = job.details.rpartition( 'calibre.ebooks.conversion.ConversionUserFeedBack:' )[-1] payload = json.loads('{' + payload.partition('{')[-1]) d = { 'info': info_dialog, 'warn': warning_dialog, 'error': error_dialog }.get(payload['level'], error_dialog) d = d(self, payload['title'], '<p>%s</p>' % payload['msg'], det_msg=payload['det_msg']) d.setModal(False) d.show() self._modeless_dialogs.append(d) return except: pass if job.killed: return try: prints(job.details, file=sys.stderr) except: pass if not minz: self.job_error_dialog.show_error(dialog_title, _('<b>Failed</b>') + ': ' + unicode(job.description), det_msg=job.details, retry_func=retry_func) def read_settings(self): geometry = config['main_window_geometry'] if geometry is not None: self.restoreGeometry(geometry) self.read_layout_settings() def write_settings(self): with gprefs: # Only write to gprefs once config.set('main_window_geometry', self.saveGeometry()) dynamic.set('sort_history', self.library_view.model().sort_history) self.save_layout_state() def quit(self, checked=True, restart=False, debug_on_restart=False, confirm_quit=True): if self.shutting_down: return if confirm_quit and not self.confirm_quit(): return try: self.shutdown() except: pass self.restart_after_quit = restart self.debug_on_restart = debug_on_restart QApplication.instance().quit() def donate(self, *args): open_url(QUrl('https://calibre-ebook.com/donate')) def confirm_quit(self): if self.job_manager.has_jobs(): msg = _('There are active jobs. Are you sure you want to quit?') if self.job_manager.has_device_jobs(): msg = '<p>'+__appname__ + \ _(''' is communicating with the device!<br> Quitting may cause corruption on the device.<br> Are you sure you want to quit?''')+'</p>' if not question_dialog(self, _('Active jobs'), msg): return False if self.proceed_question.questions: msg = _( 'There are library updates waiting. Are you sure you want to quit?' ) if not question_dialog(self, _('Library Updates Waiting'), msg): return False from calibre.db.delete_service import has_jobs if has_jobs(): msg = _('Some deleted books are still being moved to the Recycle ' 'Bin, if you quit now, they will be left behind. Are you ' 'sure you want to quit?') if not question_dialog(self, _('Active jobs'), msg): return False return True def shutdown(self, write_settings=True): self.shutting_down = True self.show_shutdown_message() from calibre.customize.ui import has_library_closed_plugins if has_library_closed_plugins(): self.show_shutdown_message( _('Running database shutdown plugins. This could take a few seconds...' )) self.grid_view.shutdown() db = None try: db = self.library_view.model().db cf = db.clean except: pass else: cf() # Save the current field_metadata for applications like calibre2opds # Goes here, because if cf is valid, db is valid. db.new_api.set_pref('field_metadata', db.field_metadata.all_metadata()) db.commit_dirty_cache() db.prefs.write_serialized(prefs['library_path']) for action in self.iactions.values(): if not action.shutting_down(): return if write_settings: self.write_settings() self.check_messages_timer.stop() if hasattr(self, 'update_checker'): self.update_checker.shutdown() self.listener.close() self.job_manager.server.close() self.job_manager.threaded_server.close() self.device_manager.keep_going = False self.auto_adder.stop() # Do not report any errors that happen after the shutdown # We cannot restore the original excepthook as that causes PyQt to # call abort() on unhandled exceptions import traceback def eh(t, v, tb): try: traceback.print_exception(t, v, tb, file=sys.stderr) except: pass sys.excepthook = eh mb = self.library_view.model().metadata_backup if mb is not None: mb.stop() if db is not None: db.close() try: try: if self.content_server is not None: # If the content server has any sockets being closed then # this can take quite a long time (minutes). Tell the user that it is # happening. self.show_shutdown_message( _('Shutting down the content server. This could take a while ...' )) s = self.content_server self.content_server = None s.exit() except: pass except KeyboardInterrupt: pass self.hide_windows() if self._spare_pool is not None: self._spare_pool.shutdown() from calibre.db.delete_service import shutdown shutdown() time.sleep(2) self.istores.join() return True def run_wizard(self, *args): if self.confirm_quit(): self.run_wizard_b4_shutdown = True self.restart_after_quit = True try: self.shutdown(write_settings=False) except: pass QApplication.instance().quit() def closeEvent(self, e): if self.shutting_down: return self.write_settings() if self.system_tray_icon is not None and self.system_tray_icon.isVisible( ): if not dynamic['systray_msg'] and not isosx: info_dialog( self, 'calibre', 'calibre ' + _('will keep running in the system tray. To close it, ' 'choose <b>Quit</b> in the context menu of the ' 'system tray.'), show_copy_button=False).exec_() dynamic['systray_msg'] = True self.hide_windows() e.ignore() else: if self.confirm_quit(): try: self.shutdown(write_settings=False) except: import traceback traceback.print_exc() e.accept() else: e.ignore()
class Main(MainWindow, MainWindowMixin, DeviceMixin, EmailMixin, # {{{ TagBrowserMixin, CoverFlowMixin, LibraryViewMixin, SearchBoxMixin, SavedSearchBoxMixin, SearchRestrictionMixin, LayoutMixin, UpdateMixin, EbookDownloadMixin ): 'The main GUI' proceed_requested = pyqtSignal(object, object) book_converted = pyqtSignal(object, object) def __init__(self, opts, parent=None, gui_debug=None): global _gui MainWindow.__init__(self, opts, parent=parent, disable_automatic_gc=True) self.jobs_pointer = Pointer(self) self.proceed_requested.connect(self.do_proceed, type=Qt.QueuedConnection) self.proceed_question = ProceedQuestion(self) self.job_error_dialog = JobError(self) self.keyboard = Manager(self) _gui = self self.opts = opts self.device_connected = None self.gui_debug = gui_debug self.iactions = OrderedDict() # Actions for action in interface_actions(): if opts.ignore_plugins and action.plugin_path is not None: continue try: ac = self.init_iaction(action) except: # Ignore errors in loading user supplied plugins import traceback traceback.print_exc() if action.plugin_path is None: raise continue ac.plugin_path = action.plugin_path ac.interface_action_base_plugin = action self.add_iaction(ac) self.load_store_plugins() def init_iaction(self, action): ac = action.load_actual_plugin(self) ac.plugin_path = action.plugin_path ac.interface_action_base_plugin = action action.actual_iaction_plugin_loaded = True return ac def add_iaction(self, ac): acmap = self.iactions if ac.name in acmap: if ac.priority >= acmap[ac.name].priority: acmap[ac.name] = ac else: acmap[ac.name] = ac def load_store_plugins(self): from calibre.gui2.store.loader import Stores self.istores = Stores() for store in available_store_plugins(): if self.opts.ignore_plugins and store.plugin_path is not None: continue try: st = self.init_istore(store) self.add_istore(st) except: # Ignore errors in loading user supplied plugins import traceback traceback.print_exc() if store.plugin_path is None: raise continue self.istores.builtins_loaded() def init_istore(self, store): st = store.load_actual_plugin(self) st.plugin_path = store.plugin_path st.base_plugin = store store.actual_istore_plugin_loaded = True return st def add_istore(self, st): stmap = self.istores if st.name in stmap: if st.priority >= stmap[st.name].priority: stmap[st.name] = st else: stmap[st.name] = st def initialize(self, library_path, db, listener, actions, show_gui=True): opts = self.opts self.preferences_action, self.quit_action = actions self.library_path = library_path self.content_server = None self._spare_pool = None self.must_restart_before_config = False self.listener = Listener(listener) self.check_messages_timer = QTimer() self.check_messages_timer.timeout.connect(self.another_instance_wants_to_talk) self.check_messages_timer.start(1000) for ac in self.iactions.values(): try: ac.do_genesis() except Exception: # Ignore errors in third party plugins import traceback traceback.print_exc() if getattr(ac, 'plugin_path', None) is None: raise self.donate_action = QAction(QIcon(I('donate.png')), _('&Donate to support calibre'), self) for st in self.istores.values(): st.do_genesis() MainWindowMixin.init_main_window_mixin(self, db) # Jobs Button {{{ self.job_manager = JobManager() self.jobs_dialog = JobsDialog(self, self.job_manager) self.jobs_button = JobsButton(horizontal=True, parent=self) self.jobs_button.initialize(self.jobs_dialog, self.job_manager) # }}} LayoutMixin.init_layout_mixin(self) DeviceMixin.init_device_mixin(self) self.progress_indicator = ProgressIndicator(self) self.progress_indicator.pos = (0, 20) self.verbose = opts.verbose self.get_metadata = GetMetadata() self.upload_memory = {} self.metadata_dialogs = [] self.default_thumbnail = None self.tb_wrapper = textwrap.TextWrapper(width=40) self.viewers = collections.deque() self.system_tray_icon = None if config['systray_icon']: self.system_tray_icon = factory(app_id='com.calibre-ebook.gui').create_system_tray_icon(parent=self, title='calibre') if self.system_tray_icon is not None: self.system_tray_icon.setIcon(QIcon(I('lt.png'))) self.system_tray_icon.setToolTip(self.jobs_button.tray_tooltip()) self.system_tray_icon.setVisible(True) self.jobs_button.tray_tooltip_updated.connect(self.system_tray_icon.setToolTip) elif config['systray_icon']: prints('Failed to create system tray icon, your desktop environment probably does not support the StatusNotifier spec') self.system_tray_menu = QMenu(self) self.toggle_to_tray_action = self.system_tray_menu.addAction(QIcon(I('page.png')), '') self.toggle_to_tray_action.triggered.connect(self.system_tray_icon_activated) self.system_tray_menu.addAction(self.donate_action) self.donate_button.setDefaultAction(self.donate_action) self.donate_button.setStatusTip(self.donate_button.toolTip()) self.eject_action = self.system_tray_menu.addAction( QIcon(I('eject.png')), _('&Eject connected device')) self.eject_action.setEnabled(False) self.addAction(self.quit_action) self.system_tray_menu.addAction(self.quit_action) self.keyboard.register_shortcut('quit calibre', _('Quit calibre'), default_keys=('Ctrl+Q',), action=self.quit_action) if self.system_tray_icon is not None: self.system_tray_icon.setContextMenu(self.system_tray_menu) self.system_tray_icon.activated.connect(self.system_tray_icon_activated) self.quit_action.triggered[bool].connect(self.quit) self.donate_action.triggered[bool].connect(self.donate) self.esc_action = QAction(self) self.addAction(self.esc_action) self.keyboard.register_shortcut('clear current search', _('Clear the current search'), default_keys=('Esc',), action=self.esc_action) self.esc_action.triggered.connect(self.esc) self.shift_esc_action = QAction(self) self.addAction(self.shift_esc_action) self.keyboard.register_shortcut('focus book list', _('Focus the book list'), default_keys=('Shift+Esc',), action=self.shift_esc_action) self.shift_esc_action.triggered.connect(self.shift_esc) self.ctrl_esc_action = QAction(self) self.addAction(self.ctrl_esc_action) self.keyboard.register_shortcut('clear virtual library', _('Clear the virtual library'), default_keys=('Ctrl+Esc',), action=self.ctrl_esc_action) self.ctrl_esc_action.triggered.connect(self.ctrl_esc) self.alt_esc_action = QAction(self) self.addAction(self.alt_esc_action) self.keyboard.register_shortcut('clear additional restriction', _('Clear the additional restriction'), default_keys=('Alt+Esc',), action=self.alt_esc_action) self.alt_esc_action.triggered.connect(self.clear_additional_restriction) # ###################### Start spare job server ######################## QTimer.singleShot(1000, self.create_spare_pool) # ###################### Location Manager ######################## self.location_manager.location_selected.connect(self.location_selected) self.location_manager.unmount_device.connect(self.device_manager.umount_device) self.location_manager.configure_device.connect(self.configure_connected_device) self.location_manager.update_device_metadata.connect(self.update_metadata_on_device) self.eject_action.triggered.connect(self.device_manager.umount_device) # ################### Update notification ################### UpdateMixin.init_update_mixin(self, opts) # ###################### Search boxes ######################## SearchRestrictionMixin.init_search_restirction_mixin(self) SavedSearchBoxMixin.init_saved_seach_box_mixin(self) # ###################### Library view ######################## LibraryViewMixin.init_library_view_mixin(self, db) SearchBoxMixin.init_search_box_mixin(self) # Requires current_db if show_gui: self.show() if self.system_tray_icon is not None and self.system_tray_icon.isVisible() and opts.start_in_tray: self.hide_windows() self.library_view.model().count_changed_signal.connect( self.iactions['Choose Library'].count_changed) if not gprefs.get('quick_start_guide_added', False): try: add_quick_start_guide(self.library_view) except: import traceback traceback.print_exc() for view in ('library', 'memory', 'card_a', 'card_b'): v = getattr(self, '%s_view' % view) v.selectionModel().selectionChanged.connect(self.update_status_bar) v.model().count_changed_signal.connect(self.update_status_bar) self.library_view.model().count_changed() self.bars_manager.database_changed(self.library_view.model().db) self.library_view.model().database_changed.connect(self.bars_manager.database_changed, type=Qt.QueuedConnection) # ########################## Tags Browser ############################## TagBrowserMixin.init_tag_browser_mixin(self, db) # ######################## Search Restriction ########################## if db.prefs['virtual_lib_on_startup']: self.apply_virtual_library(db.prefs['virtual_lib_on_startup']) self.rebuild_vl_tabs() # ########################## Cover Flow ################################ CoverFlowMixin.init_cover_flow_mixin(self) self._calculated_available_height = min(max_available_height()-15, self.height()) self.resize(self.width(), self._calculated_available_height) self.build_context_menus() for ac in self.iactions.values(): try: ac.gui_layout_complete() except: import traceback traceback.print_exc() if ac.plugin_path is None: raise if config['autolaunch_server']: self.start_content_server() self.keyboard_interrupt.connect(self.quit, type=Qt.QueuedConnection) self.read_settings() self.finalize_layout() if self.bars_manager.showing_donate: self.donate_button.start_animation() self.set_window_title() for ac in self.iactions.values(): try: ac.initialization_complete() except: import traceback traceback.print_exc() if ac.plugin_path is None: raise self.set_current_library_information(current_library_name(), db.library_id, db.field_metadata) register_keyboard_shortcuts() self.keyboard.finalize() self.auto_adder = AutoAdder(gprefs['auto_add_path'], self) self.save_layout_state() # Collect cycles now gc.collect() if show_gui and self.gui_debug is not None: info_dialog(self, _('Debug mode'), '<p>' + _('You have started calibre in debug mode. After you ' 'quit calibre, the debug log will be available in ' 'the file: %s<p>The ' 'log will be displayed automatically.')%self.gui_debug, show=True) self.iactions['Connect Share'].check_smartdevice_menus() QTimer.singleShot(1, self.start_smartdevice) QTimer.singleShot(100, self.update_toggle_to_tray_action) def esc(self, *args): self.clear_button.click() def shift_esc(self): self.current_view().setFocus(Qt.OtherFocusReason) def ctrl_esc(self): self.apply_virtual_library() self.current_view().setFocus(Qt.OtherFocusReason) def start_smartdevice(self): message = None if self.device_manager.get_option('smartdevice', 'autostart'): try: message = self.device_manager.start_plugin('smartdevice') except: message = 'start smartdevice unknown exception' prints(message) import traceback traceback.print_exc() if message: if not self.device_manager.is_running('Wireless Devices'): error_dialog(self, _('Problem starting the wireless device'), _('The wireless device driver had problems starting. ' 'It said "%s"')%message, show=True) self.iactions['Connect Share'].set_smartdevice_action_state() def start_content_server(self, check_started=True): from calibre.library.server.main import start_threaded_server from calibre.library.server import server_config self.content_server = start_threaded_server( self.library_view.model().db, server_config().parse()) self.content_server.state_callback = Dispatcher( self.iactions['Connect Share'].content_server_state_changed) if check_started: self.content_server.start_failure_callback = \ Dispatcher(self.content_server_start_failed) def content_server_start_failed(self, msg): error_dialog(self, _('Failed to start Content Server'), _('Could not start the content server. Error:\n\n%s')%msg, show=True) def resizeEvent(self, ev): MainWindow.resizeEvent(self, ev) self.search.setMaximumWidth(self.width()-150) def create_spare_pool(self, *args): if self._spare_pool is None: num = min(detect_ncpus(), int(config['worker_limit']/2.0)) self._spare_pool = Pool(max_workers=num, name='GUIPool') def spare_pool(self): ans, self._spare_pool = self._spare_pool, None QTimer.singleShot(1000, self.create_spare_pool) return ans def do_proceed(self, func, payload): if callable(func): func(payload) def no_op(self, *args): pass def system_tray_icon_activated(self, r=False): if r in (QSystemTrayIcon.Trigger, QSystemTrayIcon.MiddleClick, False): if self.isVisible(): if self.isMinimized(): self.showNormal() else: self.hide_windows() else: self.show_windows() if self.isMinimized(): self.showNormal() @property def is_minimized_to_tray(self): return getattr(self, '__systray_minimized', False) def ask_a_yes_no_question(self, title, msg, det_msg='', show_copy_button=False, ans_when_user_unavailable=True, skip_dialog_name=None, skipped_value=True): if self.is_minimized_to_tray: return ans_when_user_unavailable return question_dialog(self, title, msg, det_msg=det_msg, show_copy_button=show_copy_button, skip_dialog_name=skip_dialog_name, skip_dialog_skipped_value=skipped_value) def update_toggle_to_tray_action(self, *args): if hasattr(self, 'toggle_to_tray_action'): self.toggle_to_tray_action.setText( _('Hide main window') if self.isVisible() else _('Show main window')) def hide_windows(self): for window in QApplication.topLevelWidgets(): if isinstance(window, (MainWindow, QDialog)) and \ window.isVisible(): window.hide() setattr(window, '__systray_minimized', True) self.update_toggle_to_tray_action() def show_windows(self, *args): for window in QApplication.topLevelWidgets(): if getattr(window, '__systray_minimized', False): window.show() setattr(window, '__systray_minimized', False) self.update_toggle_to_tray_action() def test_server(self, *args): if self.content_server is not None and \ self.content_server.exception is not None: error_dialog(self, _('Failed to start content server'), unicode(self.content_server.exception)).exec_() @property def current_db(self): return self.library_view.model().db def another_instance_wants_to_talk(self): try: msg = self.listener.queue.get_nowait() except Empty: return if msg.startswith('launched:'): import json try: argv = json.loads(msg[len('launched:'):]) except ValueError: prints('Failed to decode message from other instance: %r' % msg) if DEBUG: error_dialog(self, 'Invalid message', 'Received an invalid message from other calibre instance.' ' Do you have multiple versions of calibre installed?', det_msg='Invalid msg: %r' % msg, show=True) argv = () if isinstance(argv, (list, tuple)) and len(argv) > 1: files = [os.path.abspath(p) for p in argv[1:] if not os.path.isdir(p) and os.access(p, os.R_OK)] if files: self.iactions['Add Books'].add_filesystem_book(files) self.setWindowState(self.windowState() & ~Qt.WindowMinimized|Qt.WindowActive) self.show_windows() self.raise_() self.activateWindow() elif msg.startswith('refreshdb:'): m = self.library_view.model() m.db.new_api.reload_from_db() m.db.data.refresh(clear_caches=False, do_search=False) m.resort() m.research() self.tags_view.recount() elif msg.startswith('shutdown:'): self.quit(confirm_quit=False) elif msg.startswith('bookedited:'): parts = msg.split(':')[1:] try: book_id, fmt, library_id = parts[:3] book_id = int(book_id) m = self.library_view.model() db = m.db.new_api if m.db.library_id == library_id and db.has_id(book_id): db.format_metadata(book_id, fmt, allow_cache=False, update_db=True) db.update_last_modified((book_id,)) m.refresh_ids((book_id,)) except Exception: import traceback traceback.print_exc() else: print msg def current_view(self): '''Convenience method that returns the currently visible view ''' idx = self.stack.currentIndex() if idx == 0: return self.library_view if idx == 1: return self.memory_view if idx == 2: return self.card_a_view if idx == 3: return self.card_b_view def booklists(self): return self.memory_view.model().db, self.card_a_view.model().db, self.card_b_view.model().db def library_moved(self, newloc, copy_structure=False, call_close=True, allow_rebuild=False): if newloc is None: return default_prefs = None try: olddb = self.library_view.model().db if copy_structure: default_prefs = olddb.prefs from calibre.utils.formatter_functions import unload_user_template_functions unload_user_template_functions(olddb.library_id) except: olddb = None try: db = LibraryDatabase(newloc, default_prefs=default_prefs) except apsw.Error: if not allow_rebuild: raise import traceback repair = question_dialog(self, _('Corrupted database'), _('The library database at %s appears to be corrupted. Do ' 'you want calibre to try and rebuild it automatically? ' 'The rebuild may not be completely successful.') % force_unicode(newloc, filesystem_encoding), det_msg=traceback.format_exc() ) if repair: from calibre.gui2.dialogs.restore_library import repair_library_at if repair_library_at(newloc, parent=self): db = LibraryDatabase(newloc, default_prefs=default_prefs) else: return else: return if self.content_server is not None: self.content_server.set_database(db) self.library_path = newloc prefs['library_path'] = self.library_path self.book_on_device(None, reset=True) db.set_book_on_device_func(self.book_on_device) self.library_view.set_database(db) self.tags_view.set_database(db, self.alter_tb) self.library_view.model().set_book_on_device_func(self.book_on_device) self.status_bar.clear_message() self.search.clear() self.saved_search.clear() self.book_details.reset_info() # self.library_view.model().count_changed() db = self.library_view.model().db self.iactions['Choose Library'].count_changed(db.count()) self.set_window_title() self.apply_named_search_restriction('') # reset restriction to null self.saved_searches_changed(recount=False) # reload the search restrictions combo box if db.prefs['virtual_lib_on_startup']: self.apply_virtual_library(db.prefs['virtual_lib_on_startup']) self.rebuild_vl_tabs() for action in self.iactions.values(): action.library_changed(db) if olddb is not None: try: if call_close: olddb.close() except: import traceback traceback.print_exc() olddb.break_cycles() if self.device_connected: self.set_books_in_library(self.booklists(), reset=True) self.refresh_ondevice() self.memory_view.reset() self.card_a_view.reset() self.card_b_view.reset() self.set_current_library_information(current_library_name(), db.library_id, db.field_metadata) self.library_view.set_current_row(0) # Run a garbage collection now so that it does not freeze the # interface later gc.collect() def set_window_title(self): db = self.current_db restrictions = [x for x in (db.data.get_base_restriction_name(), db.data.get_search_restriction_name()) if x] restrictions = ' :: '.join(restrictions) font = QFont() if restrictions: restrictions = ' :: ' + restrictions font.setBold(True) font.setItalic(True) self.virtual_library.setFont(font) title = u'{0} - || {1}{2} ||'.format( __appname__, self.iactions['Choose Library'].library_name(), restrictions) self.setWindowTitle(title) def location_selected(self, location): ''' Called when a location icon is clicked (e.g. Library) ''' page = 0 if location == 'library' else 1 if location == 'main' else 2 if location == 'carda' else 3 self.stack.setCurrentIndex(page) self.book_details.reset_info() for x in ('tb', 'cb'): splitter = getattr(self, x+'_splitter') splitter.button.setEnabled(location == 'library') for action in self.iactions.values(): action.location_selected(location) if location == 'library': self.virtual_library_menu.setEnabled(True) self.highlight_only_button.setEnabled(True) self.vl_tabs.setEnabled(True) else: self.virtual_library_menu.setEnabled(False) self.highlight_only_button.setEnabled(False) self.vl_tabs.setEnabled(False) # Reset the view in case something changed while it was invisible self.current_view().reset() self.set_number_of_books_shown() self.update_status_bar() def job_exception(self, job, dialog_title=_('Conversion Error'), retry_func=None): if not hasattr(self, '_modeless_dialogs'): self._modeless_dialogs = [] minz = self.is_minimized_to_tray if self.isVisible(): for x in list(self._modeless_dialogs): if not x.isVisible(): self._modeless_dialogs.remove(x) try: if 'calibre.ebooks.DRMError' in job.details: if not minz: from calibre.gui2.dialogs.drm_error import DRMErrorMessage d = DRMErrorMessage(self, _('Cannot convert') + ' ' + job.description.split(':')[-1].partition('(')[-1][:-1]) d.setModal(False) d.show() self._modeless_dialogs.append(d) return if 'calibre.ebooks.oeb.transforms.split.SplitError' in job.details: title = job.description.split(':')[-1].partition('(')[-1][:-1] msg = _('<p><b>Failed to convert: %s')%title msg += '<p>'+_(''' Many older ebook reader devices are incapable of displaying EPUB files that have internal components over a certain size. Therefore, when converting to EPUB, calibre automatically tries to split up the EPUB into smaller sized pieces. For some files that are large undifferentiated blocks of text, this splitting fails. <p>You can <b>work around the problem</b> by either increasing the maximum split size under EPUB Output in the conversion dialog, or by turning on Heuristic Processing, also in the conversion dialog. Note that if you make the maximum split size too large, your ebook reader may have trouble with the EPUB. ''') if not minz: d = error_dialog(self, _('Conversion Failed'), msg, det_msg=job.details) d.setModal(False) d.show() self._modeless_dialogs.append(d) return if 'calibre.web.feeds.input.RecipeDisabled' in job.details: if not minz: msg = job.details msg = msg[msg.find('calibre.web.feeds.input.RecipeDisabled:'):] msg = msg.partition(':')[-1] d = error_dialog(self, _('Recipe Disabled'), '<p>%s</p>'%msg) d.setModal(False) d.show() self._modeless_dialogs.append(d) return if 'calibre.ebooks.conversion.ConversionUserFeedBack:' in job.details: if not minz: import json payload = job.details.rpartition( 'calibre.ebooks.conversion.ConversionUserFeedBack:')[-1] payload = json.loads('{' + payload.partition('{')[-1]) d = {'info':info_dialog, 'warn':warning_dialog, 'error':error_dialog}.get(payload['level'], error_dialog) d = d(self, payload['title'], '<p>%s</p>'%payload['msg'], det_msg=payload['det_msg']) d.setModal(False) d.show() self._modeless_dialogs.append(d) return except: pass if job.killed: return try: prints(job.details, file=sys.stderr) except: pass if not minz: self.job_error_dialog.show_error(dialog_title, _('<b>Failed</b>')+': '+unicode(job.description), det_msg=job.details, retry_func=retry_func) def read_settings(self): geometry = config['main_window_geometry'] if geometry is not None: self.restoreGeometry(geometry) self.read_layout_settings() def write_settings(self): with gprefs: # Only write to gprefs once config.set('main_window_geometry', self.saveGeometry()) dynamic.set('sort_history', self.library_view.model().sort_history) self.save_layout_state() def quit(self, checked=True, restart=False, debug_on_restart=False, confirm_quit=True): if confirm_quit and not self.confirm_quit(): return try: self.shutdown() except: pass self.restart_after_quit = restart self.debug_on_restart = debug_on_restart QApplication.instance().quit() def donate(self, *args): open_url(QUrl('http://calibre-ebook.com/donate')) def confirm_quit(self): if self.job_manager.has_jobs(): msg = _('There are active jobs. Are you sure you want to quit?') if self.job_manager.has_device_jobs(): msg = '<p>'+__appname__ + \ _(''' is communicating with the device!<br> Quitting may cause corruption on the device.<br> Are you sure you want to quit?''')+'</p>' if not question_dialog(self, _('Active jobs'), msg): return False from calibre.db.delete_service import has_jobs if has_jobs(): msg = _('Some deleted books are still being moved to the Recycle ' 'Bin, if you quit now, they will be left behind. Are you ' 'sure you want to quit?') if not question_dialog(self, _('Active jobs'), msg): return False return True def shutdown(self, write_settings=True): self.grid_view.shutdown() try: db = self.library_view.model().db cf = db.clean except: pass else: cf() # Save the current field_metadata for applications like calibre2opds # Goes here, because if cf is valid, db is valid. db.new_api.set_pref('field_metadata', db.field_metadata.all_metadata()) db.commit_dirty_cache() db.prefs.write_serialized(prefs['library_path']) for action in self.iactions.values(): if not action.shutting_down(): return if write_settings: self.write_settings() self.check_messages_timer.stop() if hasattr(self, 'update_checker'): self.update_checker.shutdown() self.listener.close() self.job_manager.server.close() self.job_manager.threaded_server.close() self.device_manager.keep_going = False self.auto_adder.stop() mb = self.library_view.model().metadata_backup if mb is not None: mb.stop() self.hide_windows() try: try: if self.content_server is not None: s = self.content_server self.content_server = None s.exit() except: pass except KeyboardInterrupt: pass if self._spare_pool is not None: self._spare_pool.shutdown() from calibre.db.delete_service import shutdown shutdown() time.sleep(2) self.istores.join() self.hide_windows() # Do not report any errors that happen after the shutdown sys.excepthook = sys.__excepthook__ return True def run_wizard(self, *args): if self.confirm_quit(): self.run_wizard_b4_shutdown = True self.restart_after_quit = True try: self.shutdown(write_settings=False) except: pass QApplication.instance().quit() def closeEvent(self, e): self.write_settings() if self.system_tray_icon is not None and self.system_tray_icon.isVisible(): if not dynamic['systray_msg'] and not isosx: info_dialog(self, 'calibre', 'calibre '+ _('will keep running in the system tray. To close it, ' 'choose <b>Quit</b> in the context menu of the ' 'system tray.'), show_copy_button=False).exec_() dynamic['systray_msg'] = True self.hide_windows() e.ignore() else: if self.confirm_quit(): try: self.shutdown(write_settings=False) except: import traceback traceback.print_exc() e.accept() else: e.ignore()
class Main( MainWindow, MainWindowMixin, DeviceMixin, EmailMixin, # {{{ TagBrowserMixin, CoverFlowMixin, LibraryViewMixin, SearchBoxMixin, SavedSearchBoxMixin, SearchRestrictionMixin, LayoutMixin, UpdateMixin, EbookDownloadMixin, ): "The main GUI" proceed_requested = pyqtSignal(object, object) def __init__(self, opts, parent=None, gui_debug=None): global _gui MainWindow.__init__(self, opts, parent=parent, disable_automatic_gc=True) self.jobs_pointer = Pointer(self) self.proceed_requested.connect(self.do_proceed, type=Qt.QueuedConnection) self.proceed_question = ProceedQuestion(self) self.job_error_dialog = JobError(self) self.keyboard = Manager(self) _gui = self self.opts = opts self.device_connected = None self.gui_debug = gui_debug self.iactions = OrderedDict() # Actions for action in interface_actions(): if opts.ignore_plugins and action.plugin_path is not None: continue try: ac = self.init_iaction(action) except: # Ignore errors in loading user supplied plugins import traceback traceback.print_exc() if action.plugin_path is None: raise continue ac.plugin_path = action.plugin_path ac.interface_action_base_plugin = action self.add_iaction(ac) self.load_store_plugins() def init_iaction(self, action): ac = action.load_actual_plugin(self) ac.plugin_path = action.plugin_path ac.interface_action_base_plugin = action action.actual_iaction_plugin_loaded = True return ac def add_iaction(self, ac): acmap = self.iactions if ac.name in acmap: if ac.priority >= acmap[ac.name].priority: acmap[ac.name] = ac else: acmap[ac.name] = ac def load_store_plugins(self): from calibre.gui2.store.loader import Stores self.istores = Stores() for store in available_store_plugins(): if self.opts.ignore_plugins and store.plugin_path is not None: continue try: st = self.init_istore(store) self.add_istore(st) except: # Ignore errors in loading user supplied plugins import traceback traceback.print_exc() if store.plugin_path is None: raise continue self.istores.builtins_loaded() def init_istore(self, store): st = store.load_actual_plugin(self) st.plugin_path = store.plugin_path st.base_plugin = store store.actual_istore_plugin_loaded = True return st def add_istore(self, st): stmap = self.istores if st.name in stmap: if st.priority >= stmap[st.name].priority: stmap[st.name] = st else: stmap[st.name] = st def initialize(self, library_path, db, listener, actions, show_gui=True): opts = self.opts self.preferences_action, self.quit_action = actions self.library_path = library_path self.content_server = None self.spare_servers = [] self.must_restart_before_config = False self.listener = Listener(listener) self.check_messages_timer = QTimer() self.connect(self.check_messages_timer, SIGNAL("timeout()"), self.another_instance_wants_to_talk) self.check_messages_timer.start(1000) for ac in self.iactions.values(): try: ac.do_genesis() except Exception: # Ignore errors in third party plugins import traceback traceback.print_exc() if getattr(ac, "plugin_path", None) is None: raise self.donate_action = QAction(QIcon(I("donate.png")), _("&Donate to support calibre"), self) for st in self.istores.values(): st.do_genesis() MainWindowMixin.__init__(self, db) # Jobs Button {{{ self.job_manager = JobManager() self.jobs_dialog = JobsDialog(self, self.job_manager) self.jobs_button = JobsButton(horizontal=True, parent=self) self.jobs_button.initialize(self.jobs_dialog, self.job_manager) # }}} LayoutMixin.__init__(self) EmailMixin.__init__(self) EbookDownloadMixin.__init__(self) DeviceMixin.__init__(self) self.progress_indicator = ProgressIndicator(self) self.progress_indicator.pos = (0, 20) self.verbose = opts.verbose self.get_metadata = GetMetadata() self.upload_memory = {} self.metadata_dialogs = [] self.default_thumbnail = None self.tb_wrapper = textwrap.TextWrapper(width=40) self.viewers = collections.deque() self.system_tray_icon = SystemTrayIcon(QIcon(I("lt.png")), self) self.system_tray_icon.setToolTip("calibre") self.system_tray_icon.tooltip_requested.connect(self.job_manager.show_tooltip) if not config["systray_icon"]: self.system_tray_icon.hide() else: self.system_tray_icon.show() self.system_tray_menu = QMenu(self) self.restore_action = self.system_tray_menu.addAction(QIcon(I("page.png")), _("&Restore")) self.system_tray_menu.addAction(self.donate_action) self.donate_button.setDefaultAction(self.donate_action) self.donate_button.setStatusTip(self.donate_button.toolTip()) self.eject_action = self.system_tray_menu.addAction(QIcon(I("eject.png")), _("&Eject connected device")) self.eject_action.setEnabled(False) self.addAction(self.quit_action) self.system_tray_menu.addAction(self.quit_action) self.keyboard.register_shortcut( "quit calibre", _("Quit calibre"), default_keys=("Ctrl+Q",), action=self.quit_action ) self.system_tray_icon.setContextMenu(self.system_tray_menu) self.connect(self.quit_action, SIGNAL("triggered(bool)"), self.quit) self.connect(self.donate_action, SIGNAL("triggered(bool)"), self.donate) self.connect(self.restore_action, SIGNAL("triggered()"), self.show_windows) self.system_tray_icon.activated.connect(self.system_tray_icon_activated) self.esc_action = QAction(self) self.addAction(self.esc_action) self.keyboard.register_shortcut( "clear current search", _("Clear the current search"), default_keys=("Esc",), action=self.esc_action ) self.esc_action.triggered.connect(self.esc) self.shift_esc_action = QAction(self) self.addAction(self.shift_esc_action) self.keyboard.register_shortcut( "focus book list", _("Focus the book list"), default_keys=("Shift+Esc",), action=self.shift_esc_action ) self.shift_esc_action.triggered.connect(self.shift_esc) self.ctrl_esc_action = QAction(self) self.addAction(self.ctrl_esc_action) self.keyboard.register_shortcut( "clear virtual library", _("Clear the virtual library"), default_keys=("Ctrl+Esc",), action=self.ctrl_esc_action, ) self.ctrl_esc_action.triggered.connect(self.ctrl_esc) self.alt_esc_action = QAction(self) self.addAction(self.alt_esc_action) self.keyboard.register_shortcut( "clear additional restriction", _("Clear the additional restriction"), default_keys=("Alt+Esc",), action=self.alt_esc_action, ) self.alt_esc_action.triggered.connect(self.clear_additional_restriction) ####################### Start spare job server ######################## QTimer.singleShot(1000, self.add_spare_server) ####################### Location Manager ######################## self.location_manager.location_selected.connect(self.location_selected) self.location_manager.unmount_device.connect(self.device_manager.umount_device) self.location_manager.configure_device.connect(self.configure_connected_device) self.location_manager.update_device_metadata.connect(self.update_metadata_on_device) self.eject_action.triggered.connect(self.device_manager.umount_device) #################### Update notification ################### UpdateMixin.__init__(self, opts) ####################### Search boxes ######################## SearchRestrictionMixin.__init__(self) SavedSearchBoxMixin.__init__(self) ####################### Library view ######################## LibraryViewMixin.__init__(self, db) SearchBoxMixin.__init__(self) # Requires current_db if show_gui: self.show() if self.system_tray_icon.isVisible() and opts.start_in_tray: self.hide_windows() self.library_view.model().count_changed_signal.connect(self.iactions["Choose Library"].count_changed) if not gprefs.get("quick_start_guide_added", False): from calibre.ebooks.metadata.meta import get_metadata mi = get_metadata(open(P("quick_start.epub"), "rb"), "epub") self.library_view.model().add_books([P("quick_start.epub")], ["epub"], [mi]) gprefs["quick_start_guide_added"] = True self.library_view.model().books_added(1) if hasattr(self, "db_images"): self.db_images.reset() if self.library_view.model().rowCount(None) < 3: self.library_view.resizeColumnsToContents() for view in ("library", "memory", "card_a", "card_b"): v = getattr(self, "%s_view" % view) v.selectionModel().selectionChanged.connect(self.update_status_bar) v.model().count_changed_signal.connect(self.update_status_bar) self.library_view.model().count_changed() self.bars_manager.database_changed(self.library_view.model().db) self.library_view.model().database_changed.connect(self.bars_manager.database_changed, type=Qt.QueuedConnection) ########################### Tags Browser ############################## TagBrowserMixin.__init__(self, db) ######################### Search Restriction ########################## if db.prefs["virtual_lib_on_startup"]: self.apply_virtual_library(db.prefs["virtual_lib_on_startup"]) self.rebuild_vl_tabs() ########################### Cover Flow ################################ CoverFlowMixin.__init__(self) self._calculated_available_height = min(max_available_height() - 15, self.height()) self.resize(self.width(), self._calculated_available_height) self.build_context_menus() for ac in self.iactions.values(): try: ac.gui_layout_complete() except: import traceback traceback.print_exc() if ac.plugin_path is None: raise if config["autolaunch_server"]: self.start_content_server() self.keyboard_interrupt.connect(self.quit, type=Qt.QueuedConnection) self.read_settings() self.finalize_layout() if self.bars_manager.showing_donate: self.donate_button.start_animation() self.set_window_title() for ac in self.iactions.values(): try: ac.initialization_complete() except: import traceback traceback.print_exc() if ac.plugin_path is None: raise self.device_manager.set_current_library_uuid(db.library_id) self.keyboard.finalize() self.auto_adder = AutoAdder(gprefs["auto_add_path"], self) self.save_layout_state() # Collect cycles now gc.collect() if show_gui and self.gui_debug is not None: info_dialog( self, _("Debug mode"), "<p>" + _( "You have started calibre in debug mode. After you " "quit calibre, the debug log will be available in " "the file: %s<p>The " "log will be displayed automatically." ) % self.gui_debug, show=True, ) self.iactions["Connect Share"].check_smartdevice_menus() QTimer.singleShot(1, self.start_smartdevice) def esc(self, *args): self.clear_button.click() def shift_esc(self): self.current_view().setFocus(Qt.OtherFocusReason) def ctrl_esc(self): self.apply_virtual_library() self.current_view().setFocus(Qt.OtherFocusReason) def start_smartdevice(self): message = None if self.device_manager.get_option("smartdevice", "autostart"): try: message = self.device_manager.start_plugin("smartdevice") except: message = "start smartdevice unknown exception" prints(message) import traceback traceback.print_exc() if message: if not self.device_manager.is_running("Wireless Devices"): error_dialog( self, _("Problem starting the wireless device"), _("The wireless device driver had problems starting. " 'It said "%s"') % message, show=True, ) self.iactions["Connect Share"].set_smartdevice_action_state() def start_content_server(self, check_started=True): from calibre.library.server.main import start_threaded_server from calibre.library.server import server_config self.content_server = start_threaded_server(self.library_view.model().db, server_config().parse()) self.content_server.state_callback = Dispatcher(self.iactions["Connect Share"].content_server_state_changed) if check_started: self.content_server.start_failure_callback = Dispatcher(self.content_server_start_failed) def content_server_start_failed(self, msg): error_dialog( self, _("Failed to start Content Server"), _("Could not start the content server. Error:\n\n%s") % msg, show=True, ) def resizeEvent(self, ev): MainWindow.resizeEvent(self, ev) self.search.setMaximumWidth(self.width() - 150) def add_spare_server(self, *args): self.spare_servers.append(Server(limit=int(config["worker_limit"] / 2.0))) @property def spare_server(self): # Because of the use of the property decorator, we're called one # extra time. Ignore. if not hasattr(self, "__spare_server_property_limiter"): self.__spare_server_property_limiter = True return None try: QTimer.singleShot(1000, self.add_spare_server) return self.spare_servers.pop() except: pass def do_proceed(self, func, payload): if callable(func): func(payload) def no_op(self, *args): pass def system_tray_icon_activated(self, r): if r == QSystemTrayIcon.Trigger: if self.isVisible(): self.hide_windows() else: self.show_windows() @property def is_minimized_to_tray(self): return getattr(self, "__systray_minimized", False) def ask_a_yes_no_question( self, title, msg, det_msg="", show_copy_button=False, ans_when_user_unavailable=True, skip_dialog_name=None, skipped_value=True, ): if self.is_minimized_to_tray: return ans_when_user_unavailable return question_dialog( self, title, msg, det_msg=det_msg, show_copy_button=show_copy_button, skip_dialog_name=skip_dialog_name, skip_dialog_skipped_value=skipped_value, ) def hide_windows(self): for window in QApplication.topLevelWidgets(): if isinstance(window, (MainWindow, QDialog)) and window.isVisible(): window.hide() setattr(window, "__systray_minimized", True) def show_windows(self): for window in QApplication.topLevelWidgets(): if getattr(window, "__systray_minimized", False): window.show() setattr(window, "__systray_minimized", False) def test_server(self, *args): if self.content_server is not None and self.content_server.exception is not None: error_dialog(self, _("Failed to start content server"), unicode(self.content_server.exception)).exec_() @property def current_db(self): return self.library_view.model().db def another_instance_wants_to_talk(self): try: msg = self.listener.queue.get_nowait() except Empty: return if msg.startswith("launched:"): import json try: argv = json.loads(msg[len("launched:") :]) except ValueError: prints("Failed to decode message from other instance: %r" % msg) if DEBUG: error_dialog( self, "Invalid message", "Received an invalid message from other calibre instance." " Do you have multiple versions of calibre installed?", det_msg="Invalid msg: %r" % msg, show=True, ) argv = () if isinstance(argv, (list, tuple)) and len(argv) > 1: files = [os.path.abspath(p) for p in argv[1:] if not os.path.isdir(p) and os.access(p, os.R_OK)] if files: self.iactions["Add Books"].add_filesystem_book(files) self.setWindowState(self.windowState() & ~Qt.WindowMinimized | Qt.WindowActive) self.show_windows() self.raise_() self.activateWindow() elif msg.startswith("refreshdb:"): m = self.library_view.model() m.db.new_api.reload_from_db() m.db.data.refresh(clear_caches=False, do_search=False) m.resort() m.research() self.tags_view.recount() elif msg.startswith("shutdown:"): self.quit(confirm_quit=False) elif msg.startswith("bookedited:"): parts = msg.split(":")[1:] try: book_id, fmt, library_id = parts[:3] book_id = int(book_id) m = self.library_view.model() db = m.db.new_api if m.db.library_id == library_id and db.has_id(book_id): db.format_metadata(book_id, fmt, allow_cache=False, update_db=True) db.update_last_modified((book_id,)) m.refresh_ids((book_id,)) except Exception: import traceback traceback.print_exc() else: print msg def current_view(self): """Convenience method that returns the currently visible view """ idx = self.stack.currentIndex() if idx == 0: return self.library_view if idx == 1: return self.memory_view if idx == 2: return self.card_a_view if idx == 3: return self.card_b_view def booklists(self): return self.memory_view.model().db, self.card_a_view.model().db, self.card_b_view.model().db def library_moved(self, newloc, copy_structure=False, call_close=True, allow_rebuild=False): if newloc is None: return default_prefs = None try: olddb = self.library_view.model().db if copy_structure: default_prefs = olddb.prefs from calibre.utils.formatter_functions import unload_user_template_functions unload_user_template_functions(olddb.library_id) except: olddb = None try: db = LibraryDatabase(newloc, default_prefs=default_prefs) except apsw.Error: if not allow_rebuild: raise import traceback repair = question_dialog( self, _("Corrupted database"), _( "The library database at %s appears to be corrupted. Do " "you want calibre to try and rebuild it automatically? " "The rebuild may not be completely successful." ) % force_unicode(newloc, filesystem_encoding), det_msg=traceback.format_exc(), ) if repair: from calibre.gui2.dialogs.restore_library import repair_library_at if repair_library_at(newloc, parent=self): db = LibraryDatabase(newloc, default_prefs=default_prefs) else: return else: return if self.content_server is not None: self.content_server.set_database(db) self.library_path = newloc prefs["library_path"] = self.library_path self.book_on_device(None, reset=True) db.set_book_on_device_func(self.book_on_device) self.library_view.set_database(db) self.tags_view.set_database(db, self.alter_tb) self.library_view.model().set_book_on_device_func(self.book_on_device) self.status_bar.clear_message() self.search.clear() self.saved_search.clear() self.book_details.reset_info() # self.library_view.model().count_changed() db = self.library_view.model().db self.iactions["Choose Library"].count_changed(db.count()) self.set_window_title() self.apply_named_search_restriction("") # reset restriction to null self.saved_searches_changed(recount=False) # reload the search restrictions combo box if db.prefs["virtual_lib_on_startup"]: self.apply_virtual_library(db.prefs["virtual_lib_on_startup"]) self.rebuild_vl_tabs() for action in self.iactions.values(): action.library_changed(db) if olddb is not None: try: if call_close: olddb.close() except: import traceback traceback.print_exc() olddb.break_cycles() if self.device_connected: self.set_books_in_library(self.booklists(), reset=True) self.refresh_ondevice() self.memory_view.reset() self.card_a_view.reset() self.card_b_view.reset() self.device_manager.set_current_library_uuid(db.library_id) self.library_view.set_current_row(0) # Run a garbage collection now so that it does not freeze the # interface later gc.collect() def set_window_title(self): db = self.current_db restrictions = [x for x in (db.data.get_base_restriction_name(), db.data.get_search_restriction_name()) if x] restrictions = " :: ".join(restrictions) font = QFont() if restrictions: restrictions = " :: " + restrictions font.setBold(True) font.setItalic(True) self.virtual_library.setFont(font) title = u"{0} - || {1}{2} ||".format(__appname__, self.iactions["Choose Library"].library_name(), restrictions) self.setWindowTitle(title) def location_selected(self, location): """ Called when a location icon is clicked (e.g. Library) """ page = 0 if location == "library" else 1 if location == "main" else 2 if location == "carda" else 3 self.stack.setCurrentIndex(page) self.book_details.reset_info() for x in ("tb", "cb"): splitter = getattr(self, x + "_splitter") splitter.button.setEnabled(location == "library") for action in self.iactions.values(): action.location_selected(location) if location == "library": self.virtual_library_menu.setEnabled(True) self.highlight_only_button.setEnabled(True) else: self.virtual_library_menu.setEnabled(False) self.highlight_only_button.setEnabled(False) # Reset the view in case something changed while it was invisible self.current_view().reset() self.set_number_of_books_shown() self.update_status_bar() def job_exception(self, job, dialog_title=_("Conversion Error")): if not hasattr(self, "_modeless_dialogs"): self._modeless_dialogs = [] minz = self.is_minimized_to_tray if self.isVisible(): for x in list(self._modeless_dialogs): if not x.isVisible(): self._modeless_dialogs.remove(x) try: if "calibre.ebooks.DRMError" in job.details: if not minz: from calibre.gui2.dialogs.drm_error import DRMErrorMessage d = DRMErrorMessage( self, _("Cannot convert") + " " + job.description.split(":")[-1].partition("(")[-1][:-1] ) d.setModal(False) d.show() self._modeless_dialogs.append(d) return if "calibre.ebooks.oeb.transforms.split.SplitError" in job.details: title = job.description.split(":")[-1].partition("(")[-1][:-1] msg = _("<p><b>Failed to convert: %s") % title msg += "<p>" + _( """ Many older ebook reader devices are incapable of displaying EPUB files that have internal components over a certain size. Therefore, when converting to EPUB, calibre automatically tries to split up the EPUB into smaller sized pieces. For some files that are large undifferentiated blocks of text, this splitting fails. <p>You can <b>work around the problem</b> by either increasing the maximum split size under EPUB Output in the conversion dialog, or by turning on Heuristic Processing, also in the conversion dialog. Note that if you make the maximum split size too large, your ebook reader may have trouble with the EPUB. """ ) if not minz: d = error_dialog(self, _("Conversion Failed"), msg, det_msg=job.details) d.setModal(False) d.show() self._modeless_dialogs.append(d) return if "calibre.web.feeds.input.RecipeDisabled" in job.details: if not minz: msg = job.details msg = msg[msg.find("calibre.web.feeds.input.RecipeDisabled:") :] msg = msg.partition(":")[-1] d = error_dialog(self, _("Recipe Disabled"), "<p>%s</p>" % msg) d.setModal(False) d.show() self._modeless_dialogs.append(d) return if "calibre.ebooks.conversion.ConversionUserFeedBack:" in job.details: if not minz: import json payload = job.details.rpartition("calibre.ebooks.conversion.ConversionUserFeedBack:")[-1] payload = json.loads("{" + payload.partition("{")[-1]) d = {"info": info_dialog, "warn": warning_dialog, "error": error_dialog}.get( payload["level"], error_dialog ) d = d(self, payload["title"], "<p>%s</p>" % payload["msg"], det_msg=payload["det_msg"]) d.setModal(False) d.show() self._modeless_dialogs.append(d) return except: pass if job.killed: return try: prints(job.details, file=sys.stderr) except: pass if not minz: self.job_error_dialog.show_error( dialog_title, _("<b>Failed</b>") + ": " + unicode(job.description), det_msg=job.details ) def read_settings(self): geometry = config["main_window_geometry"] if geometry is not None: self.restoreGeometry(geometry) self.read_layout_settings() def write_settings(self): with gprefs: # Only write to gprefs once config.set("main_window_geometry", self.saveGeometry()) dynamic.set("sort_history", self.library_view.model().sort_history) self.save_layout_state() def quit(self, checked=True, restart=False, debug_on_restart=False, confirm_quit=True): if confirm_quit and not self.confirm_quit(): return try: self.shutdown() except: pass self.restart_after_quit = restart self.debug_on_restart = debug_on_restart QApplication.instance().quit() def donate(self, *args): open_url(QUrl("http://calibre-ebook.com/donate")) def confirm_quit(self): if self.job_manager.has_jobs(): msg = _("There are active jobs. Are you sure you want to quit?") if self.job_manager.has_device_jobs(): msg = ( "<p>" + __appname__ + _( """ is communicating with the device!<br> Quitting may cause corruption on the device.<br> Are you sure you want to quit?""" ) + "</p>" ) if not question_dialog(self, _("Active jobs"), msg): return False from calibre.db.delete_service import has_jobs if has_jobs(): msg = _( "Some deleted books are still being moved to the Recycle " "Bin, if you quit now, they will be left behind. Are you " "sure you want to quit?" ) if not question_dialog(self, _("Active jobs"), msg): return False return True def shutdown(self, write_settings=True): self.grid_view.shutdown() try: db = self.library_view.model().db cf = db.clean except: pass else: cf() # Save the current field_metadata for applications like calibre2opds # Goes here, because if cf is valid, db is valid. db.prefs["field_metadata"] = db.field_metadata.all_metadata() db.commit_dirty_cache() db.prefs.write_serialized(prefs["library_path"]) for action in self.iactions.values(): if not action.shutting_down(): return if write_settings: self.write_settings() self.check_messages_timer.stop() self.update_checker.terminate() self.listener.close() self.job_manager.server.close() self.job_manager.threaded_server.close() while self.spare_servers: self.spare_servers.pop().close() self.device_manager.keep_going = False self.auto_adder.stop() mb = self.library_view.model().metadata_backup if mb is not None: mb.stop() self.hide_windows() try: try: if self.content_server is not None: s = self.content_server self.content_server = None s.exit() except: pass except KeyboardInterrupt: pass from calibre.db.delete_service import shutdown shutdown() time.sleep(2) self.istores.join() self.hide_windows() # Do not report any errors that happen after the shutdown sys.excepthook = sys.__excepthook__ return True def run_wizard(self, *args): if self.confirm_quit(): self.run_wizard_b4_shutdown = True self.restart_after_quit = True try: self.shutdown(write_settings=False) except: pass QApplication.instance().quit() def closeEvent(self, e): self.write_settings() if self.system_tray_icon.isVisible(): if not dynamic["systray_msg"] and not isosx: info_dialog( self, "calibre", "calibre " + _( "will keep running in the system tray. To close it, " "choose <b>Quit</b> in the context menu of the " "system tray." ), show_copy_button=False, ).exec_() dynamic["systray_msg"] = True self.hide_windows() e.ignore() else: if self.confirm_quit(): try: self.shutdown(write_settings=False) except: import traceback traceback.print_exc() e.accept() else: e.ignore()