i18n.py 文件源码

def to_utc(self, datetime):
        """Returns a datetime object converted to UTC and without tzinfo.

        :param datetime:
            A ``datetime`` object.
        :returns:
            A naive ``datetime`` object (no timezone), converted to UTC.
        """
        if datetime.tzinfo is None:
            datetime = self.tzinfo.localize(datetime)

        return datetime.astimezone(pytz.UTC).replace(tzinfo=None)