Check last modified time of an url using Last-Modified header

check_last_modified.py

#!/usr/bin/python
from urllib2 import urlopen
from datetime import datetime
from rfc822 import parsedate_tz


# Check last modified time of an url using Last-Modified header
def check_last_modified(url):
    u = urlopen(url)
    meta = u.info()
    last_modified = meta.getheaders("Last-Modified")[0]
    # modified = datetime.strptime(last_modified, '%a, %d %b %Y %H:%M:%S GMT')
    modified = datetime(*parsedate_tz(last_modified)[:7])
    return modified