import re
import requests
from pyquery import PyQuery as pq


def main(username, password):
    session = requests.session()

    dtsg = login(session, username, password)


def login(session, username, password):
    '''
    Login to Facebook
    '''

    # Navigate to the Facebook homepage
    response = session.get('https://facebook.com')

    # Construct the DOM
    dom = pq(response.text)
    # Get the lsd value from the HTML. This is required to make the login request
    lsd = dom('[name="lsd"]').val()
    # Perform the login request
    response = session.post('https://www.facebook.com/login.php?login_attempt=1', data={
        'lsd': lsd,
        'email': username,
        'pass': password,
        'default_persistent': '0',
        'timezone': '-60',
        'lgndim': '',
        'lgnrnd': '',
        'lgnjs': '',
        'locale': 'en_GB',
        'qsstamp': ''
    })
    dom1 = pq(response.text)
    #print(dom1)
    try:
        #dtsg = re.search('_4rbf _53ij', response.content)
        print(response.content)
    except KeyError:
        raise Exception('Login Failed!')
    #print(dtsg)
    #return dtsg

try:
    main(username='', password='')
except Exception as e:
    print(e)

#it's important to mention that the Code was written by someone else, i changed it a little bit.