json_middleware.py 文件源码

def process_request(self, req, resp):
        """
        :param req: Falcon request
        :type req: falcon.request.Request
        :param resp: Falcon response
        :type resp: falcon.response.Response
        """
        if not req.client_accepts_json:
            raise falcon.HTTPNotAcceptable(
                'This API only supports responses encoded as JSON.',
                href='http://docs.examples.com/api/json')

        if req.method in ('POST', 'PUT', 'PATCH'):
            if req.content_type is None or 'application/json' not in req.content_type:
                raise falcon.HTTPUnsupportedMediaType(
                    'This API only supports requests encoded as JSON.',
                    href='http://docs.examples.com/api/json')