利用cookie模拟renren网登录（无验证码）

import json
from urllib import request,parse
from http import cookiejar

#定义cookie保存的对象
cookie_object = cookiejar.CookieJar()
handler = request.HTTPCookieProcessor(cookie_object)

opener = request.build_opener(handler)

url = 'http://www.renren.com/ajaxLogin/login?1=1&uniqueTimestamp=2018721518696'

form = {
    'email': '***********',
    'icode': '',
    'origURL': 'http://www.renren.com/home',
    'domain': 'renren.com',
    'key_id': '1',
    'captcha_type': 'web_login',
    'password': '7d4f58d9e58b7ed81a6c3aefc73d064cf9af9f7e4f17db9676e8fc89ab303b63',
    'rkey': 'a63d4c171d299d57332099687542d201',
    'f': 'https%3A%2F%2Fwww.baidu.com%2Flink%3Furl%3DSYKt3aojNnw9LU1khvkSX4bjCm4YALWao-fSRfDS9Ja%26wd%3D%26eqid%3Dda585eb80000122d000000035b72835a',
}

form_byte = parse.urlencode(form).encode('utf-8')
response = opener.open(url,form_bytes)

html_byte = response.read()

res = json.loads(html_byte.decode('utf-8'))

home_url = res['homeUrl']
response = opener.open(home_url)
html_byte = response.read()
print(html_byte.decode('utf-8'))