graphql_handler.py 文件源码

def error_response(func):
    @wraps(func)
    def wrapper(self, *args, **kwargs):
        try:
            result = func(self, *args, **kwargs)
        except Exception as ex:
            if not isinstance(ex, (web.HTTPError, ExecutionError, GraphQLError)):
                tb = ''.join(traceback.format_exception(*sys.exc_info()))
                app_log.error('Error: {0} {1}'.format(ex, tb))
            self.set_status(error_status(ex))
            error_json = json_encode({'errors': error_format(ex)})
            app_log.debug('error_json: %s', error_json)
            self.write(error_json)
        else:
            return result

    return wrapper