[Python/Django] Goo.gl URL shortener (using official API)

googl.py

"""
Add GOOGL_KEY to your settings.py
"""
import urllib2, simplejson
from django.conf import settings

def googl(url):
    params = simplejson.dumps({'longUrl': url})
    headers = { 'Content-Type' : 'application/json' }
    req = urllib2.Request('https://www.googleapis.com/urlshortener/v1/url?key='+settings.GOOGL_KEY, params, headers)
    f = urllib2.urlopen(req)
    return simplejson.loads(f.read())['id']