marketdata.py 文件源码

def TimeEnd(self, timeend):
        if timeend is None:
            self._timeend = datetime.now(tz=pytz.utc)
        elif not isinstance(timeend, datetime):
            raise TypeError("req.TimeEnd must be a datetime.datetime object.")
        else:
            # Always use timezone-aware datetime.
            if timeend.tzinfo is None:
                _logger.warning('Naive HistDataReq.TimeEnd. '
                                'Assumeing system local time zone.')
                tz_system = get_localzone()
                timeend = tz_system.localize(timeend)
            self._timeend = timeend