database.py 文件源码

def close(self):
        """ Close the database connection, return True on success. """
        with self.num_connections_lock:
            self.num_connections -= 1
            if self.num_connections == 0:
                try:
                    self.database.close()
                    if DEBUG:
                        LOG.debug("[db] Database closed")
                except OperationalError as exc:
                    _DbConnector.log_error("close", exc)
                    return False
        return True