djangoMongoCache.py 文件源码

def get(self, key, default=None, version=None):
        """
            Fetch a given key from the cache. If the key does not exist, return
            default, which itself defaults to None.
        """
        key = self.make_key(key, version)
        self.validate_key(key)

        data = self._coll.find_one({'key': key})
        if not data:
            return default

        unencoded = base64.decodebytes(data['data'])
        unpickled = pickle.loads(unencoded)

        return unpickled