lorauth

import urllib
from http import cookiejar

def main():
    cookie = cookiejar.CookieJar()
    req = urllib.request.build_opener(
            urllib.request.HTTPCookieProcessor(cookie))
    urllib.request.install_opener(req)

    par = urllib.parse.urlencode({
        'nick':'evilmanul',
        'passwd':'my_password'}).encode('utf-8') # параметры
    resp = req.open('https://linux.org.ru', par)
    print(resp.read().decode("utf-8"))
if __name__ == '__main__':
    main()