def __init__(self, parent, library_path, wait_time=2):
QDialog.__init__(self, parent)
self.l = QVBoxLayout()
self.setLayout(self.l)
self.l1 = QLabel('<b>'+_('Restoring database from backups, do not'
' interrupt, this will happen in three stages')+'...')
self.setWindowTitle(_('Restoring database'))
self.l.addWidget(self.l1)
self.pb = QProgressBar(self)
self.l.addWidget(self.pb)
self.pb.setMaximum(0)
self.pb.setMinimum(0)
self.msg = QLabel('')
self.l.addWidget(self.msg)
self.msg.setWordWrap(True)
self.bb = QDialogButtonBox(QDialogButtonBox.StandardButton.Cancel)
self.l.addWidget(self.bb)
self.bb.rejected.connect(self.confirm_cancel)
self.resize(self.sizeHint() + QSize(100, 50))
self.error = None
self.rejected = False
self.library_path = library_path
self.update_signal.connect(self.do_update, type=Qt.ConnectionType.QueuedConnection)
from calibre.db.restore import Restore
self.restorer = Restore(library_path, self)
self.restorer.daemon = True
# Give the metadata backup thread time to stop
QTimer.singleShot(wait_time * 1000, self.start)
def main(opts, args, dbctx):
if not opts.really_do_it:
raise SystemExit(
_('You must provide the %s option to do a'
' recovery') % '--really-do-it')
r = Restore(dbctx.library_path, progress_callback=Progress())
r.start()
r.join()
if r.tb is not None:
prints('Restoring database failed with error:')
prints(r.tb)
else:
prints('Restoring database succeeded')
prints('old database saved as', r.olddb)
if r.errors_occurred:
name = 'calibre_db_restore_report.txt'
lopen('calibre_db_restore_report.txt',
'wb').write(r.report.encode('utf-8'))
prints('Some errors occurred. A detailed report was '
'saved to', name)
return 0