sessions.py 文件源码

def _save(self, expiration_time):
        assert self.locked, ('The session was saved without being locked.  '
                             "Check your tools' priority levels.")
        f = open(self._get_file_path(), 'wb')
        try:
            pickle.dump((self._data, expiration_time), f, self.pickle_protocol)
        finally:
            f.close()