def create_action(self, spec=None, attr='qaction', shortcut_name=None):
if spec is None:
spec = self.action_spec
text, icon, tooltip, shortcut = spec
if icon is not None:
action = QAction(QIcon(I(icon)), text, self.gui)
else:
action = QAction(text, self.gui)
if attr == 'qaction':
if hasattr(self.action_menu_clone_qaction, 'rstrip'):
mt = unicode_type(self.action_menu_clone_qaction)
else:
mt = action.text()
self.menuless_qaction = ma = QAction(action.icon(), mt, self.gui)
ma.triggered.connect(action.trigger)
for a in ((action, ma) if attr == 'qaction' else (action,)):
a.setAutoRepeat(self.auto_repeat)
text = tooltip if tooltip else text
a.setToolTip(text)
a.setStatusTip(text)
a.setWhatsThis(text)
shortcut_action = action
desc = tooltip if tooltip else None
if attr == 'qaction':
shortcut_action = ma
if shortcut is not None:
keys = ((shortcut,) if isinstance(shortcut, string_or_bytes) else
tuple(shortcut))
if shortcut_name is None and spec[0]:
shortcut_name = unicode_type(spec[0])
if shortcut_name and self.action_spec[0] and not (
attr == 'qaction' and self.popup_type == QToolButton.InstantPopup):
try:
self.gui.keyboard.register_shortcut(self.unique_name + ' - ' + attr,
shortcut_name, default_keys=keys,
action=shortcut_action, description=desc,
group=self.action_spec[0])
except NameConflict as e:
try:
prints(unicode_type(e))
except:
pass
shortcut_action.setShortcuts([QKeySequence(key,
QKeySequence.PortableText) for key in keys])
else:
self.shortcut_action_for_context_menu = shortcut_action
if isosx:
# In Qt 5 keyboard shortcuts dont work unless the
# action is explicitly added to the main window
self.gui.addAction(shortcut_action)
if attr is not None:
setattr(self, attr, action)
if attr == 'qaction' and self.action_add_menu:
menu = QMenu()
action.setMenu(menu)
if self.action_menu_clone_qaction:
menu.addAction(self.menuless_qaction)
return action
def create_action(self, spec=None, attr='qaction', shortcut_name=None):
if spec is None:
spec = self.action_spec
text, icon, tooltip, shortcut = spec
if icon is not None:
action = QAction(QIcon(I(icon)), text, self.gui)
else:
action = QAction(text, self.gui)
if attr == 'qaction':
mt = (action.text() if self.action_menu_clone_qaction is True else
unicode(self.action_menu_clone_qaction))
self.menuless_qaction = ma = QAction(action.icon(), mt, self.gui)
ma.triggered.connect(action.trigger)
for a in ((action, ma) if attr == 'qaction' else (action,)):
a.setAutoRepeat(self.auto_repeat)
text = tooltip if tooltip else text
a.setToolTip(text)
a.setStatusTip(text)
a.setWhatsThis(text)
shortcut_action = action
desc = tooltip if tooltip else None
if attr == 'qaction':
shortcut_action = ma
if shortcut is not None:
keys = ((shortcut,) if isinstance(shortcut, basestring) else
tuple(shortcut))
if shortcut_name is None and spec[0]:
shortcut_name = unicode(spec[0])
if shortcut_name and self.action_spec[0] and not (
attr == 'qaction' and self.popup_type == QToolButton.InstantPopup):
try:
self.gui.keyboard.register_shortcut(self.unique_name + ' - ' + attr,
shortcut_name, default_keys=keys,
action=shortcut_action, description=desc,
group=self.action_spec[0])
except NameConflict as e:
try:
prints(unicode(e))
except:
pass
shortcut_action.setShortcuts([QKeySequence(key,
QKeySequence.PortableText) for key in keys])
else:
if isosx:
# In Qt 5 keyboard shortcuts dont work unless the
# action is explicitly added to the main window
self.gui.addAction(shortcut_action)
if attr is not None:
setattr(self, attr, action)
if attr == 'qaction' and self.action_add_menu:
menu = QMenu()
action.setMenu(menu)
if self.action_menu_clone_qaction:
menu.addAction(self.menuless_qaction)
return action
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')))
if not (iswindows or isosx):
self.system_tray_icon.setIcon(QIcon.fromTheme('calibre-gui', 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.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.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:
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
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('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.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()
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()
# 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
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):
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()