Recaptcha helper.

gistfile1.py

def check_recaptcha(challenge, response, ip, private_key):
    import requests
    url = "http://www.google.com/recaptcha/api/verify"
    data = {
        'privatekey': private_key,
        'remoteip': ip,
        'challenge': challenge,
        'response': response,
    }
    res = requests.post(url, data=data)
    response = res.text.splitlines()
    if response[0] == u'true':
        return (True, response[1])
    else:
        return (False, response[1])