xmp.py 文件源码

def _converter_date(value):
        m = iso8601.match(value)
        year = int(m.group("year"))
        month = int(m.group("month") or "1")
        day = int(m.group("day") or "1")
        hour = int(m.group("hour") or "0")
        minute = int(m.group("minute") or "0")
        second = decimal.Decimal(m.group("second") or "0")
        seconds = second.to_integral(decimal.ROUND_FLOOR)
        milliseconds = (second - seconds) * 1000000
        tzd = m.group("tzd") or "Z"
        dt = datetime.datetime(year, month, day, hour, minute, seconds, milliseconds)
        if tzd != "Z":
            tzd_hours, tzd_minutes = [int(x) for x in tzd.split(":")]
            tzd_hours *= -1
            if tzd_hours < 0:
                tzd_minutes *= -1
            dt = dt + datetime.timedelta(hours=tzd_hours, minutes=tzd_minutes)
        return dt