middleware.py 文件源码

def process_response(self, req, resp, resource):
        """Converts responses to ``application/x-yaml`` content type."""
        if resp.status != '204 No Content':
            resp.set_header('Content-Type', 'application/x-yaml')

        for attr in ('body', 'data'):
            if not hasattr(resp, attr):
                continue

            resp_attr = getattr(resp, attr)

            try:
                resp_attr = json.loads(resp_attr)
            except (TypeError, ValueError):
                pass

            if isinstance(resp_attr, dict):
                setattr(resp, attr, yaml.safe_dump(resp_attr))
            elif isinstance(resp_attr, (list, tuple)):
                setattr(resp, attr, yaml.safe_dump_all(resp_attr))