renren网

import json
from urllib import request,parse

#保存cookie
from http import cookiejar
#通过对象保存cookie
cookie_obj = cookiejar.CookieJar()
#handler 对应着一个操作
handler = request.HTTPCookieProcessor(cookie_obj)
#opener 遇到有cookie的response的时候
# 调用handler内部的一个函数，储存到coolie object
opener = request.build_opener(handler)

url = 'http://www.renren.com/ajaxLogin/login?1=1&uniqueTimestamp=20187'
form = {
    'email': '18210277041',
    'icode': '',
    'origURL': 'http://www.renren.com/home',
    'domain': 'renren.com',
    'key_id': '1',
    'captcha_type': 'web_login',
    'password': '5245af5d6644a37e6a1a2007d574d71090e61baed9a16e4dd9878a2dccc1f5a4',
    'rkey': '2ecc619f96d6c7041410e9d016a44112',
    'f': 'http%3A%2F%2Fzhibo.renren.com%2Ftop',
}

#将form转为二进制
form_bytes = parse.urlencode(form).encode('utf-8')
#响应请求
response = opener.open(url,form_bytes)

html_bytes = response.read()
# print(html_bytes)

#通过json获取一个字典类型
res_dict = json.loads(html_bytes.decode('utf-8'))

home_url = res_dict['homeUrl']

#访问页面
response = opener.open(home_url)
html_bytes = response.read()
print(html_bytes.decode('utf-8'))