coursera authentication attempt

#!/usr/bin/env python

"""
Approach from:
http://stackoverflow.com/questions/10454555/python-mechanize-create-and-submit-a-form
"""
import sys
import mechanize
import logging

logger = logging.getLogger("mechanize")
logger.addHandler(logging.StreamHandler(sys.stdout))
logger.setLevel(logging.DEBUG)

FORM_HTML= """
<form method='post' action='/maestro/api/user/login'>
    <input type='text' name='signin-email'>
    <input type='text' name='signin-password'>
</form>
"""

login_url = "https://www.coursera.org/account/signin"
#login_url = "https://www.coursera.org/maestro/api/user/login"
class_url = "https://class.coursera.org/proglang-2012-001/class/index"

email, password = sys.argv[1:3]
print "Using credentials:", email, password

br = mechanize.Browser()
br.set_debug_http(True)
br.set_debug_responses(True)
br.set_debug_redirects(True)

br.open(login_url)
#html = br.response().get_data()

res = mechanize._form.ParseString(FORM_HTML, "https://www.coursera.org")
br.form = res[1]
br['signin-email'] = email
br['signin-password'] = password
br.submit()

home_page = br.open(class_url)
page = home_page.read()
print page