diff --git a/bob/db/base/database.py b/bob/db/base/database.py index 49924d6cedf3549c792bc5b039d30bb457a4118f..4deba1865326ee4b600c9f5a8cff2e2619b8135c 100644 --- a/bob/db/base/database.py +++ b/bob/db/base/database.py @@ -199,6 +199,16 @@ class SQLiteBaseDatabase(object): assert issubclass(file_class, File) self.m_file_class = file_class + def __getstate__(self): + state = self.__dict__.copy() + state["m_session"] = None + return state + + def __setstate__(self, state): + self.__dict__.update(state) + if os.path.exists(self.m_sqlite_file): + self.m_session = utils.session_try_readonly('sqlite', self.m_sqlite_file) + def __del__(self): """Closes the connection to the database."""