convert datetime format rfc2822 to iso8601

conv2822to8601.py

# -*- coding: utf-8 -*-

import sys
from email.utils import parsedate_tz, mktime_tz
from datetime import datetime

def conv_2822_to_8601(s):
    time_tuple = parsedate_tz(s)
    time_stamp = mktime_tz(time_tuple)
    return datetime.fromtimestamp(time_stamp)

if __name__ == '__main__':
    print(conv_2822_to_8601(sys.argv[1]))