serializers.py 文件源码

def from_timestring_to_utctimestamp(self, timestamp, type=None):

        # Sigh, TrainPredictions include seconds, BusPredictions don't
        if type == 'train':
            timestr_format = "%Y%m%d %H:%M:%S"
        else:
            timestr_format = "%Y%m%d %H:%M"

        local_datetime = datetime.strptime(timestamp, timestr_format).replace(tzinfo=tz.tzlocal())
        return (local_datetime - datetime(1970, 1, 1, tzinfo=tz.tzutc())).total_seconds()