import requests
import time
import re
s = requests.Session()

login = ''
password = ''

s.headers.update({
        'Host': 'nhentai.net',
        'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:69.0) Gecko/20100101 Firefox/69.0',

    })

csrftoken = re.search('csrf_token: "(.*?)"',s.get("https://nhentai.net/login/").content.decode('utf-8')).group(1)

print(csrftoken)

a = s.post("https://nhentai.net/login/",
    data={
        'csrfmiddlewaretoken': csrftoken,
        'username_or_email': login,
        'password': password,
        'next': ""
    },
    headers={
        'Host': 'nhentai.net',
        'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:69.0) Gecko/20100101 Firefox/69.0',
        'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
        'Accept-Encoding': 'gzip, deflate, br',
        'Accept-Language': 'en-US,en;q=0.5',
        'Connection': 'keep-alive',
        'Content-Type': 'application/x-www-form-urlencoded',
        'DNT': '1',
        'Referer': 'https://nhentai.net/login/'
    }
)


print(s.cookies)