rfc822

rfc822.py

import re
import time

def rfc822(s):
    _ = re.findall("[A-z][a-z]+,\s*([^\+G]+)(?:$|\s([\+\-]*)(\d+|GMT))", s)
    if not s:
        print("%s is not RFC822 Date" % s)
        return 0
    dt, sgn, tz = _[0]
    if tz == "GMT":
        tz = 0
    return time.mktime(time.strptime(dt, "%d %b %Y %H:%M:%S")) - (-1 if sgn == '-' else 1) * int(tz) * 36 # 0800 => 800 / 100 * 3600