base.py 文件源码

def get_response_and_time(self, key, default=(None, None)):
        """ Retrieves response and timestamp for `key` if it's stored in cache,
        otherwise returns `default`

        :param key: key of resource
        :param default: return this if `key` not found in cache
        :returns: tuple (response, datetime)

        .. note:: Response is restored after unpickling with :meth:`restore_response`
        """
        try:
            if key not in self.responses:
                key = self.keys_map[key]
            response, timestamp = self.responses[key]
        except KeyError:
            return default
        return self.restore_response(response), timestamp