requests.py 文件源码

def execute(self, document, variable_values=None, timeout=None):
        query_str = print_ast(document)
        payload = {
            'query': query_str,
            'variables': variable_values or {}
        }

        data_key = 'json' if self.use_json else 'data'
        post_args = {
            'headers': self.headers,
            'auth': self.auth,
            'cookies': self.cookies,
            'timeout': timeout or self.default_timeout,
            data_key: payload
        }
        request = requests.post(self.url, **post_args)
        request.raise_for_status()

        result = request.json()
        assert 'errors' in result or 'data' in result, 'Received non-compatible response "{}"'.format(result)
        return ExecutionResult(
            errors=result.get('errors'),
            data=result.get('data')
        )