def db(self):
if self._db is None:
self._db = LibraryDatabase(self.library_path)
return self._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 init_legacy(self, library_path=None):
from calibre.db.legacy import LibraryDatabase
return LibraryDatabase(library_path or self.library_path)
