Function _datetime_to_millis

bson/datetime_ms.py:116–120

Convert datetime to milliseconds since epoch UTC.

(dtm: datetime.datetime)

def _datetime_to_millis(dtm: datetime.datetime) -> int:
    """Convert datetime to milliseconds since epoch UTC."""
    if dtm.utcoffset() is not None:
        dtm = dtm - dtm.utcoffset()  # type: ignore
    return int(calendar.timegm(dtm.timetuple()) * 1000 + dtm.microsecond // 1000)


_MIN_UTC = datetime.datetime.min.replace(tzinfo=utc)