def get_modified_time(self):
        stat_result = self._stat()
        modified = datetime.datetime.utcfromtimestamp(stat_result[stat.ST_MTIME])
        return modified
Caches username, password and resource for auth.
dataset/ETHPy150Open RobotWebTools/rosbridge_suite/rosbridge_server/src/tornado/web.py/StaticFileHandler.get_modified_time--crossover with--dataset/ETHPy150Open CouchPotato/CouchPotatoServer/libs/xmpp/auth.py/NonSASL.__init__