def collection_finished(self):
self.do_one = self.do_one_write
ensure_unique_components(self.collected_data)
self.ids_to_write = iter(self.collected_data)
self.pd.title = _('Copying files and writing metadata...'
) if self.opts.update_metadata else _(
'Copying files...')
self.pd.max = len(self.collected_data)
self.pd.value = 0
if self.opts.update_metadata:
all_fmts = {
fmt
for data in self.collected_data.itervalues() for fmt in data[2]
}
plugboards_cache = {
fmt: find_plugboard(plugboard_save_to_disk_value, fmt,
self.plugboards)
for fmt in all_fmts
}
self.pool = Pool(
name='SaveToDisk') if self.pool is None else self.pool
try:
self.pool.set_common_data(plugboards_cache)
except Failure as err:
error_dialog(
self.pd,
_('Critical failure'),
_('Could not save books to disk, click "Show details" for more information'
),
det_msg=unicode(err.failure_message) + '\n' +
unicode(err.details),
show=True)
self.pd.canceled = True
self.do_one_signal.emit()
def monitor_scan(self):
self.scan_thread.join(0.05)
if self.scan_thread.is_alive():
self.do_one_signal.emit()
return
if self.scan_error is not None:
error_dialog(self.pd, _('Cannot add books'), _(
'Failed to add any books, click "Show details" for more information.'),
det_msg=self.scan_error, show=True)
self.break_cycles()
return
if not self.file_groups:
error_dialog(self.pd, _('Could not add'), _(
'No ebook files were found in %s') % self.source, show=True)
self.break_cycles()
return
self.pd.max = len(self.file_groups)
self.pd.title = _('Reading metadata and adding to library (%d books)...') % self.pd.max
self.pd.msg = ''
self.pd.value = 0
self.pool = Pool(name='AddBooks') if self.pool is None else self.pool
if self.db is not None:
if self.add_formats_to_existing:
self.find_identical_books_data = self.db.data_for_find_identical_books()
else:
try:
self.pool.set_common_data(self.db.data_for_has_book())
except Failure as err:
error_dialog(self.pd, _('Cannot add books'), _(
'Failed to add any books, click "Show details" for more information.'),
det_msg=as_unicode(err.failure_message) + '\n' + as_unicode(err.details), show=True)
self.pd.canceled = True
self.groups_to_add = iter(self.file_groups)
self.do_one = self.do_one_group
self.do_one_signal.emit()
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')
