Reptile POST request automatic login

# Get token random string

'' ' 
1. access the login page random string token obtaining 
    request the URL: 
            http://github.com/login 
    request method: 
           the GET 
    request header: 
          COOKIES 
          the User-- Agent: the Mozilla / 5.0 (the Windows NT 10.0; the WOW64) AppleWebKit / 537.36 (KHTML, like Gecko) Chrome / 63.0.3239.132 Safari / 537.36 
2. parse and extract the token string 
# regular 
<the INPUT of the type = "hidden" name = "authenticity_token" value = "(. *?)" />           
'' '

import requests
import  re
login_url='https://github.com/login'

Request header #login page

login_header={
    'User-Agent':'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36'
}

login_res=requests.get(url=login_url,headers=login_header)

#print(login_res.text)

# Parse extracted token string

authenticity_token=re.findall(
    '<input type="hidden" name="authenticity_token" value="(.*?)" />',
    login_res.text,
    re.S
)[0]
print(authenticity_token)

# Cookies to obtain information login page

#print(login_res.cookies)
login_cookies=login_res.cookies.get_dict()

# 2. Began landing github

session_url='http://github.com/session'

# Request header

session_headers={
    'User-Agent':'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36'
}

'' ' 
The POST request automatic login github: 
    request the URL: 
            http://github.com/session 
    request method: 
            POST 
    request header: 
           Cookie 
           User-Agent 
    request body: 
          the commit: Sign in 
          UTF8: ✓ 
          authenticity_token: FLmfwPWcFB / gy50Y3lUfZduoWrRtTF9eWiAYWKwjlY9M4nFs9SvvqX3qQ / n1wJiaI5Blp1lHT7qe9m / == kofrgcw 
          Login: 
          password: 
          webauthn-Support: Unsupported 
'' '

#-Information request

form_data={
          "commit":"Sign in",
          "utf8":"✓",
          "authenticity_token":authenticity_token,
          "login":"lzc01021033",
          "password":"lzc199901021033",
          "webauthn-support":"unsupported"
}
session_res=requests.post(url=session_url,
             headers=session_headers,
             cookies=login_cookies,
             data=form_data)
with open('github3.html','w',encoding='utf-8')as f:
 f.write(session_res.text)