Логин на farpost.ru

import requests
s = requests.Session()
head = {
    "User-Agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.106 Safari/537.36",
    "X-Requested-With": "XMLHttpRequest",
}
data = {
    'radio': 'sign',
    'sign': '***',
    'password': '***',
}
r = s.post('https://www.farpost.ru/sign', data=data, headers=head)
 
with open('out.html', 'w+') as file:
    file.write(r.text)

import requests
 
s = requests.Session()
 
head = {
'Host': 'www.farpost.ru',
'User-Agent': 'Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:56.0) Gecko/20100101 Firefox/56.0',
'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
'Accept-Language': 'ru-RU,ru;q=0.8,en-US;q=0.5,en;q=0.3',
'Accept-Encoding': 'gzip, deflate, br',
'Referer': 'https://www.farpost.ru/sign?return=%2Fvladivostok%2F'.encode('cp1252'),
'Content-Type': 'application/x-www-form-urlencoded',
'Content-Length ': '59',
'Cookie': '***',
'Connection': 'keep-alive',
'Upgrade-Insecure-Requests': '1',
}
 
data = {
    'radio': 'sign',
    'sign': '***',
    'password': '***',
}
 
r = s.post('https://www.farpost.ru/sign?return=%2Fvladivostok%2F&login_by_password=1', data=data, headers=head)