python 模拟登陆园子

#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()