如何更改GoogleAppEngine中logging模块的输出格式?我试过了,例如:log_format="*%(asctime)s%(levelname)-8s%(message)s"date_format="%a,%d%b%Y%H:%M:%S"console=logging.StreamHandler()fr=logging.Formatter(log_format)console.setFormatter(fr)logger=logging.getLogger()logger.addFilter(SuperfluousFilter())logger.addHandler(con