Facebook login using python and libs requests, beaultifulsoup 4

facelogin.py

import sys
try:
    import requests
except:
    print('Please install requests: "pip install requests"')
    sys.exit()
try:
    from bs4 import BeautifulSoup as bs
except:
    print('Please install BeautifulSoup: "pip install bs4"')
    sys.exit()
  

if len(sys.argv) < 3:
    print("Usage: python3 facelogin.py email password")
    sys.exit()

# Faz a primeira request para pegar os dados randômicos do form
url = 'https://m.facebook.com/login.php'
html = requests.get(url).text
HTML = bs(html, 'html.parser')

payload = {}

email = sys.argv[1]
passwd = sys.argv[2]
r = HTML.findAll('input')
for i in r:
    payload[i.get('name')] = i.get('value')

payload['email'] = email
payload['pass'] = passwd
payload['login'] = 'Log In'
# print(payload)

# Cria uma session para manter os dados do login.
s = requests.Session()
r = s.post(url, data=payload, allow_redirects=False)
r.raise_for_status()
cookies = r.cookies
# print(cookies)

# Proximas requests será atravéz da session s.get(URL)
home = s.get('https://m.facebook.com', cookies=cookies, allow_redirects=False)
bhtml = bs(home.text, 'html.parser')


#print(bhtml)

# Procura pelo link SAIR para saber se o login foi efetuado 
logged = bhtml.find('a', {'id': 'mbasic_logout_button'})

try:
    if logged.text:
        print(f"Login efetuado, usuário: {logged.text.split('(')[1].replace(')', '')}")
except:
    print("Login e/ou senha incorretos")