# -*- coding: utf-8 -*-
import urllib
import urllib2
import re

# Шаг 1: парсим форму входа
url = 'https://connect.mail.ru/oauth/authorize?client_id=640684&response_type=code&redirect_uri=https%3A%2F%2Fulogin.ru%2Fauth.php%3Fname%3Dmailru&scope='
u = urllib.urlopen(url)
# print u.info()['set-cookie']
content = u.read()
# content = content.decode('windows-1251')
# print content
matches = re.findall('<input type="hidden" name="(.*?)" value="([^"]*)', content)
fields = dict(matches)
# print fields
name = 'OduuvGyalyulyu2000@mail.ru'
pswd = 'he1gelns'
name = name.split('@')
fields['Domain'] = name[1]
fields['Login'] = name[0]
fields['Password'] = pswd
# Шаг 2: пробуем авторизоваться
r = urllib2.Request('https://auth.mail.ru/cgi-bin/auth',
    urllib.urlencode(fields),
    {'Content-Type': 'application/x-www-form-urlencoded'})
u = urllib2.urlopen(r)
cookie = '; '.join(re.findall(r'(?:^|(?<=, ))\w+=[^;]+', u.info()['set-cookie']))
print cookie
m = re.search('<meta http-equiv="refresh" content="0;url=([^"]+)', u.read())
redirect_uri = m.group(1)
r = urllib2.Request('https://auth.mail.ru/cgi-bin/auth',
    headers={'Cookie': cookie})
u = urllib2.urlopen(r)
print u.info()
print u.read()