def update_cache(self,
parent=None,
timeout=10,
force=False,
suppress_progress=False):
if self.lock.acquire(False):
try:
update_thread = CacheUpdateThread(self.cache,
self.seralize_books, timeout)
if not suppress_progress:
progress = CacheProgressDialog(parent)
progress.set_message(
_('Updating MobileRead book cache...'))
update_thread.total_changed.connect(progress.set_total)
update_thread.update_progress.connect(
progress.set_progress)
update_thread.update_details.connect(progress.set_details)
progress.rejected.connect(update_thread.abort)
progress.open()
update_thread.start()
while update_thread.is_alive() and not progress.canceled:
QCoreApplication.processEvents()
if progress.isVisible():
progress.accept()
return not progress.canceled
else:
update_thread.start()
finally:
self.lock.release()
def show_shutdown_message(self, message=''):
smw = self.shutdown_message_widget
smw.setGeometry(0, 0, self.width(), self.height())
smw.setVisible(True)
smw.raise_()
smw.setText(_('<h2>Shutting down</h2><div>') + message)
# Force processing the events needed to show the message
QCoreApplication.processEvents()
def chapter_rendered(self, num):
if num > 0:
self.progress_bar.setMinimum(0)
self.progress_bar.setMaximum(num)
self.progress_bar.setValue(0)
self.progress_label.setText('Laying out '+ self.document_title)
else:
self.progress_bar.setValue(self.progress_bar.value()+1)
QCoreApplication.processEvents()
def check_library(self):
from calibre.gui2.dialogs.check_library import CheckLibraryDialog, DBCheck
self.gui.library_view.save_state()
m = self.gui.library_view.model()
m.stop_metadata_backup()
db = m.db
db.prefs.disable_setting = True
library_path = db.library_path
d = DBCheck(self.gui, db)
d.start()
try:
m.close()
except:
pass
d.break_cycles()
self.gui.library_moved(library_path)
if d.rejected:
return
if d.error is None:
if not question_dialog(
self.gui, _('Success'),
_('Found no errors in your calibre library database.'
' Do you want calibre to check if the files in your'
' library match the information in the database?')):
return
else:
return error_dialog(
self.gui,
_('Failed'),
_('Database integrity check failed, click "Show details"'
' for details.'),
show=True,
det_msg=d.error[1])
self.gui.status_bar.show_message(
_('Starting library scan, this may take a while'))
try:
QCoreApplication.processEvents()
d = CheckLibraryDialog(self.gui, m.db)
if not d.do_exec():
info_dialog(
self.gui,
_('No problems found'),
_('The files in your library match the information '
'in the database.'),
show=True)
finally:
self.gui.status_bar.clear_message()
