Python模拟登录百度贴吧

# -*- coding=utf-8 -*-

import urllib;
import urllib.request;
import json;
import http;
import http.cookiejar;
import re;
import os;
from urllib.parse import urlencode;

TOKEN_URL = "https://passport.baidu.com/v2/api/?getapi&tpl=mn&apiver=v3&class=login&callback=parent.bd__pcbs__hl4e6h";
INDEX_URL = "http://www.baidu.com/";
LOGIN_URL = "https://passport.baidu.com/v2/api/?login";

reg_token = re.compile("\"token\"\s+:\s+\"(\w+)\"");

bdHeaders = {
"Accept":"text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8",
"Accept-Encoding":"gzip,deflate,sdch",
"Accept-Language":"zh-CN,zh;q=0.8",
"Host":"passport.baidu.com",
"Origin":"http://www.baidu.com",
"Referer":"http://www.baidu.com/",
"User-Agent":"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/29.0.1547.66 Safari/537.36 LBBROWSER",
};

bdData = {
"charset":"UTF-8",
"token":"",
"tpl":"mn",                               #重要,需要跟TOKEN_URL中的相同
"u":"http://tieba.baidu.com/",
"username":"",
"password":"",
"callback":"parent.bd__pcbs__hl4e6h",     #重要,需要跟TOKEN_URL中的相同
};

class tbLogin:
def __init__(self):
self._cookie = http.cookiejar.LWPCookieJar();
self._opener = urllib.request.build_opener(urllib.request.HTTPCookieProcessor(self._cookie));

def login(self, user = "", psw = ""):
if(not os.path.exists("baidu.cookie")):
self._initial();
self._getToken();                         #取得token,必要

bdData["username"] = user;
bdData["password"] = psw;
bdData["token"] = self._token;

request = urllib.request.Request(LOGIN_URL, headers = bdHeaders);
self._opener.open(request, urlencode(bdData).encode("utf-8"));   #登录
self._cookie.save("baidu.cookie", True, True);        #保存cookie
else:
self._cookie.load("baidu.cookie", True, True);        #加载cookie

result = json.loads(self._opener.open("http://tieba.baidu.com/f/user/json_userinfo").read().decode("utf-8"));
print(self._opener.open("http://tieba.baidu.com/f/user/json_userinfo").read().decode("utf-8"));
if(result["no"] == 0):                                    #判断是否登录成功
return self._opener;
else:
return None;

def _getToken(self):
self._token = reg_token.findall(self._opener.open(TOKEN_URL).read().decode("gbk"))[0];

def _initial(self):
self._opener.open(INDEX_URL);

def main():
robot = tbLogin();
#传入用户名和密码
opener = robot.login("", "");

if __name__ == "__main__":
main();