appengine.py 文件源码

def _delete_entity(self):
    """Delete entity from datastore.

    Attempts to delete using the key_name stored on the object, whether or not
    the given key is in the datastore.
    """
    if self._is_ndb():
      ndb.Key(self._model, self._key_name).delete()
    else:
      entity_key = db.Key.from_path(self._model.kind(), self._key_name)
      db.delete(entity_key)