#! /usr/bin/env python

"""
bitdotly - Convert URLs to bit.ly format

Disclaimer of Warranty.

THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
APPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
ALL NECESSARY SERVICING, REPAIR OR CORRECTION.

Please note that this is not the suggested
way to use the bit.ly service. If your
application needs to shorten many URLs,
sign up for the bit.ly REST API. For
more information visit http://bit.ly/apidocs .

"""

import urllib
import re
import sys

def bitdotly_url(url):
    """ Shorten your URL using bit.ly """
    
    regexp=re.compile(r'(\"shortened-url)\"\s+value\=(.*)\/\>', re.IGNORECASE)
    submit_url = 'http://bit.ly/' + urllib.quote(url)
    # No exception handling 
    data=urllib.urlopen(submit_url).read()
    if data:
        items = regexp.findall(data)
        if items:
            short_url = items[0][1].replace('"', '').strip()
            return short_url


if __name__ == "__main__":
    print bitdotly_url(sys.argv[1])