shortener

from __future__ import print_function   # Adding also this to the module top.
import sys


# I would do it like this, for example:

'''
Error handling code:
Do you think compiling it is excessive? :)
'''
# error = compile("print('[!] Error: {0}'.format(e), file=sys.stderr)", '<string>', 'eval')
error = "print('[!] Error: {0}'.format(e), file=sys.stderr)"


class GoogleShortener(object):
    """
Based on:
https://github.com/avelino/django-googl/blob/master/googl/short.py
Googl Shortener Implementation
Doesn't need anything from the app
"""
    api_url = "https://www.googleapis.com/urlshortener/v1/url"

    def short(self, url):
        params = json.dumps({'longUrl': url})
        headers = {'content-type': 'application/json'}
        response = requests.post(self.api_url, data=params,
                                 headers=headers)
        if response.ok:
            try:
                data = response.json()
                self.shorten = data['id']
                return data['id']
            except Exception, e:
                eval(error)

    def expand(self, url):
        params = {'shortUrl': url}
        response = requests.get(self.api_url, params=params)
        if response.ok:
            try:
                data = response.json()
                return data['longUrl']
            except Exception, e:
                eval(error)


# Of course if you know what kind of exceptions you get, you can be more explicit.