sessions.py 文件源码

def get_session_filename(self, sid):
        # out of the box, this should be a strict ASCII subset but
        # you might reconfigure the session object to have a more
        # arbitrary string.
        if isinstance(sid, text_type) and PY2:
            sid = sid.encode(get_filesystem_encoding())
        return path.join(self.path, self.filename_template % sid)