模拟登陆request-session

#人人网的模拟登录
import requests
import urllib
from lxml import etree
#获取session对象
session = requests.Session()
#将验证码图片进行下载
headers = {
    'User-Agent':'Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/72.0.3626.119 Safari/537.36'
}
url = 'http://www.renren.com/'
page_text = requests.get(url=url,headers=headers).text

tree = etree.HTML(page_text)
code_img_url = tree.xpath('//*[@id="verifyPic_login"]/@src')[0]
urllib.request.urlretrieve(url=code_img_url,filename='code.jpg')

#识别验证码图片中的数据值
code_data = getCodeDate('bobo328410948','bobo328410948','./code.jpg',2004)

#模拟登录
login_url = 'http://www.renren.com/ajaxLogin/login?1=1&uniqueTimestamp=201914927558'
data = {
    "email":"www.zhangbowudi@qq.com",
    "icode":code_data,
    "origURL":"http://www.renren.com/home",
    "domain":"renren.com",
    "key_id":"",
    "captcha_type":"web_login",
    "password":"4f0350f09aeffeef86307747218b214b0960bdf35e30811c0d611fe39db96ec1",
    "rkey":"9e75e8dc3457b14c55a74627fa64fb43",
    "f":"http%3A%2F%2Fwww.renren.com%2F289676607",
}
#该次请求产生的cookie会被自动存储到session对象中
session.post(url=login_url,data=data,headers=headers)

url = 'http://www.renren.com/289676607/profile'
page_text = session.get(url=url,headers=headers).text

with open('renren.html','w',encoding='utf-8') as fp:
    fp.write(page_text)