handler.py 文件源码

def _get_query_args(self, handler_def):
        """Retreives the values for query arguments."""
        query_args = {}
        for qarg in handler_def.query_args:
            try:
                query_args[qarg.name] = self.get_query_argument(qarg.name)
            except MissingArgumentError:
                if not qarg.required:
                    continue

                raise BadRequestError(
                    "Missing required query argument '{}'".format(qarg.name)
                )

        return query_args