URL share count on Twitter

grabURLsharecount.py

#!/usr/bin/env python
import urllib
import pycurl
import time
import sys
import json

import cStringIO

from optparse import OptionParser

parser = OptionParser(usage="%prog: [options] [URL]")
parser.add_option('-u', '--url', help="use URL please")

(options, args) = parser.parse_args()
if not options.url:                                                                                                                           
    parser.print_help()                                                                                                                       
    sys.exit(1)                                                                                                                               
                                                                                                                                              
class Response:                                                                                                                               
    def __init__(self):                                                                                                                       
        self.response = {}                                                                                                                    
    def body_callback(self, buf):                                                                                                             
        self.response = json.loads(buf)                                                                                                       
                                                                                                                                              
def grab_count(url):                                                                                                                          
    count = 0
    old_twitter_count = 0
    twitter_cdn_url = 'http://cdn.api.twitter.com/1/urls/count.json'
    params = {'url': url}
    while True:
        try:
            t = Response()
            c = pycurl.Curl()                                                                                                                 
            c.setopt(c.URL, twitter_cdn_url + '?' + urllib.urlencode(params))
            c.setopt(c.WRITEFUNCTION, t.body_callback)
            c.perform()
            c.close()
            count = count + 1
            new_twitter_count = t.response.get('count')
            if old_twitter_count < new_twitter_count:
                print "Change in total shares %d" % (int(new_twitter_count) - int(old_twitter_count))
            old_twitter_count = new_twitter_count
            if count > 10000:
                print "Total requests completed without errors --> %d" % count
        except KeyboardInterrupt:
            pass

grab_count(options.url)