import urllib2
import urllib
import cookielib
# import re
from lxml import html

USERNAME = "xxxUSERxxx"
PASSWORD = "yyyPASSWDyyy"

LOGIN_URL = "https://www.geocaching.com/account/login?ReturnUrl=%2Fplay%2Fsearch"
URL = "https://www.geocaching.com/seek"

def main():
    cookie = cookielib.CookieJar()
    opener = urllib2.build_opener(urllib2.HTTPCookieProcessor(cookie))
    respon = opener.open(LOGIN_URL).read()

    tree = html.fromstring(respon)
    authenticity_token = list(set(tree.xpath("//input[@name='__RequestVerificationToken']/@value")))[0]

    print authenticity_token
    # Create payload
    payload = {
        "Username": USERNAME,
        "Password": PASSWORD,
        "__RequestVerificationToken": authenticity_token
    }

    # Perform login
    result = opener.open(LOGIN_URL, urllib.urlencode(payload))

    result.geturl() 
    info = result.read()
    print info 
if __name__ == '__main__':
    main()