python 模拟登陆园子

主要用到了python cookielib,urllib2,urllib这3个模块，python 不亏是具有 先天做 爬虫的特质，废话多说直接上代码

 #coding: utf-8 
import sys
import re
import cookielib
import urllib2
import urllib

class Login(object):
    def __init__(self):
        self.name=self.pwd=self.operate=""
        self.cj=cookielib.LWPCookieJar()
        try:
            self.cj.revert('p.cookie')
        except Exception,e:
            print e
        self.opener=urllib2.build_opener(urllib2.HTTPCookieProcessor(self.cj))
        urllib2.install_opener(self.opener)

    def setinfo(self,username,pwd):
        """设置登陆参数"""
        self.name = username
        self.pwd = pwd
     

    def login(self):
        """登陆cnblog"""
        params={'tbUserName':self.name,
                'tbPassword':self.pwd,
                "__EVENTVALIDATION":"/wEdAAUyDI6H/s9f+ZALqNAA4PyUhI6Xi65hwcQ8/QoQCF8JIahXufbhIqPmwKf992GTkd0wq1PKp6+/1yNGng6H71Uxop4oRunf14dz2Zt2+QKDEIYpifFQj3yQiLk3eeHVQqcjiaAP",
                "__VIEWSTATE":"/wEPDwULLTE1MzYzODg2NzZkGAEFHl9fQ29udHJvbHNSZXF1aXJlUG9zdEJhY2tLZXlfXxYBBQtjaGtSZW1lbWJlcm1QYDyKKI9af4b67Mzq2xFaL9Bt"}
        print 'login......'
        req=urllib2.Request(
            'https://passport.cnblogs.com/login.aspx',
            urllib.urlencode(params))
        self.operate = self.opener.open(req)
        if self.operate.geturl() == 'http://home.cnblogs.com':
            print 'logged on successfully!'
            self.cj.save("p.cookie") #保存cookies
            print self.operate.url
        else:
            print 'login error.....'

if __name__=='__main__':
            L = Login()
            L.setinfo("echosong",'****')
            L.login()