Get Title From URL Python Script (Google App Engine.)

#!/usr/bin/python

#Import CGI stuff.
import cgi
import cgitb
cgitb.enable()

#Define terms.
fail = "False"
site_title = "not Set alskdfjqwerjqewroiq"

#Get arguments from URL. We only need the URL and the Title, so that's all we'll check for.
f = cgi.FieldStorage()
for i in f.keys():
    if i == "url":
        site_url = f[i].value
    if i == "title":
        site_title = f[i].value

#Check if we have the title. This will fail if somebody titled their webpage with the words we check for. But that's highly improbable.
if site_title == "not Set alskdfjqwerjqewroiq":
    fail = "true"
else:
    print
    print "Good to go."


#On the first run, we will not have the title, so we need to get it.
if fail == "true":
#   Import stuff.
    import urllib2
    import BeautifulSoup
    import re

#   Read the website.
    p = urllib2.urlopen(site_url).read()
#   I don't know what this does. >.< But it works. (I know: bad coding. :( )
    s = BeautifulSoup.BeautifulSoup(p)


#   By printing out the webpage we can execute Javascript in it.
    print s

#   Execute Javascript in the page that will open up this script with both a URL and Title .
    print '<SCRIPT LANGUAGE = JavaScript>\nwindow.location = ("http://oisaac-deletepost.appspot.com/new_post.py?url=' + site_url + '&title=" + document.title)\n</SCRIPT>'