shorten.py

# -*- coding: utf-8 -*-
#
# shorten.py
# created by giginet on 2012/04/18
#
from urllib import quote
from urllib2 import Request, HTTPError, urlopen
import json

API_URL = u'https://www.googleapis.com/urlshortener/v1/url'

def shorten(url):
    try:
        data = json.dumps({ 'longUrl' : quote(url) })
        req = Request(API_URL, data)
        req.add_header('Content-Type', 'application/json')
        r = urlopen(req)
        return json.loads(r.read())['id']
    except HTTPError:
        return url

if __name__ == '__main__':
    print shorten(u'http://www.kawaz.org/')