Convert RFC822 timestamp string to datetime object in Python

rfc822-to-datetime.py

from    datetime import datetime
import  email

# convert RFC822 timestamp string to datetime object
def rfc822(timestamp):
    return datetime.fromtimestamp(email.Utils.mktime_tz(email.Utils.parsedate_tz(timestamp)))

if __name__ == '__main__':
    import sys

    print rfc822(sys.argv[1])