Demonstrates how to use Requests (http://docs.python-requests.org/en/latest/) to login to Edline (http://www.edline.net/).

edline_login.py

import requests

HEADERS = {'User-Agent': 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/31.0.1650.63 Safari/537.36'}

LOGIN_URL = 'https://www.edline.net/InterstitialLogin.page'

LOGIN_POST_URL = 'https://www.edline.net/post/InterstitialLogin.page'


class Edline(object):

    def __init__(self, username, password, login=True):
        self.username = username
        self.password = password
        if login:
            self.login()
            self.get_home()

    def get_login_cookies(self):
        rsp = requests.get(LOGIN_URL, headers=HEADERS)
        if rsp.status_code != 200:
            raise IOError('Failed to get login page. Status code: %d.' % rsp.status_code)
        return rsp.cookies

    def login(self):
        payload = {'TCNK': 'authenticationEntryComponent',
                   'submitEvent': '1',
                   'guestLoginEvent': '',
                   'enterClicked': 'true',
                   'bscf': '',
                   'bscv': '',
                   'targetEntid': '',
                   'ajaxSupported': 'yes',
                   'screenName': self.username,
                   'kclq': self.password}
        cookies = self.get_login_cookies()  # Get cookies needed to log in
        rsp = requests.post(LOGIN_POST_URL, headers=HEADERS, data=payload, cookies=cookies, allow_redirects=False)
        if rsp.status_code != 302:
            raise IOError('Login POST request failed. Status code: %d.' % rsp.status_code)
        if 'Location' not in rsp.headers:
            raise ValueError('Login POST request response contained no redirect URL.')
        if rsp.headers['Location'].endswith('Notification.page'):
            raise IOError('Login failed, possibly due to incorrect login credentials.')
        cookies.update(rsp.cookies)  # Add new session cookies to cookie jar
        self.home_url = rsp.headers['Location']
        self.cookies = cookies

    def get_home(self):
        rsp = requests.get(self.home_url, headers=HEADERS, cookies=self.cookies)
        return rsp

def write_content(rsp, filename='file.html'):
    f = open(filename, 'w')
    f.write(rsp.content)
    f.close()
    
if __name__ == '__main__':    
    e = Edline('USERNAME', 'PASSWORD')
    write_content(e.get_home())