def request_time(self):
        """Returns the amount of time it took for this request to execute."""
        if self._finish_time is None:
            return time.time() - self._start_time
        else:
            return self._finish_time - self._start_time
dataset/ETHPy150Open RobotWebTools/rosbridge_suite/rosbridge_server/src/tornado/httputil.py/HTTPServerRequest.request_time/original