appengine.py 文件源码

def make_value_from_datastore(self, value):
        logger.info("make: Got type " + str(type(value)))
        if value is None:
            return None
        if len(value) == 0:
            return None
        try:
            credentials = client.Credentials.new_from_json(value)
        except ValueError:
            credentials = None
        return credentials