def send_post(cookies):
    url = 'https://www.gosuslugi.ru/api/lk/v1/equeue/agg/slots'
    headers = {'Content-type': 'application/json;charset=UTF-8', 'Accept':'application/json', 'Cookie':cookies}
    payload = {'eserviceId':'','serviceId':[''],'organizationId':[''],'parentOrderId':'','serviceCode':'','attributes':[]}
    return post(url, data=dumps(payload), headers=headers)

from webbrowser import open as open_tab
from selenium import webdriver
from datetime import datetime
from requests import post
from json import dumps
from os import path
def main():
    response = send_post(read_cookies())
    if response.status_code == 401:
        write_cookies(get_cookies())
        write_log('Ошибка 401. Обновлены куки.')
        main()
        return
    elif response.status_code == 200:
        length = len(response.json()['slots'])
        if length > 0:
            write_log('Есть мест: ' + length)
            open_tab(TARGET_LINK, new=1)
        else:
            write_log('Нет мест')
    else:
        write_log('Ошибка {0}'.format(response.status_code))

def get_cookies():
    options = webdriver.ChromeOptions()
    options.add_argument('--no-sandbox')
    options.add_argument('--minimal')
    driver = webdriver.Chrome(executable_path=DRIVER_FILE, options=options)
    driver.get('https://esia.gosuslugi.ru/')
    driver.implicitly_wait(7)
    input_login = driver.find_element_by_id('login')
    input_password = driver.find_element_by_id('password')
    btn_enter = driver.find_element_by_id('loginByPwdButton')
    input_login.send_keys(LOGIN)
    input_password.send_keys(PASSWORD)
    btn_enter.click()
    driver.get(TARGET_LINK)
    cookies = driver.get_cookies()
    driver.close()
    return cookies

raw_cookies = ''.join(['{}={}; '.format(i['name'], i['value']) for i in cookies])