python cookielib模块模拟登录人人网的例子

#!/usr/bin/env python
#encoding=utf-8
import sys
import re
import urllib2
import urllib
import cookielib

class Renren(object):

def __init__(self):
self.name = self.pwd = self.content = self.domain = self.origURL = ''
self.operate = ''#登录进去的操作对象 （脚本学堂 编辑整理 www.jbxue.com）
self.cj = cookielib.LWPCookieJar()
try:
self.cj.revert('renren.coockie')
except Exception,e:
print e

self.opener = urllib2.build_opener(urllib2.HTTPCookieProcessor(self.cj))
urllib2.install_opener(self.opener)

def setinfo(self,username,password,domain,origURL):
'''设置用户登录信息'''
self.name = username
self.pwd = password
self.domain = domain
self.origURL = origURL

def login(self):
'''登录人人网'''
params = {'domain':self.domain,'origURL':self.origURL,'email':self.name, 'password':self.pwd}
print 'login.......'
req = urllib2.Request(
'http://www.renren.com/PLogin.do',
urllib.urlencode(params)
)

self.operate = self.opener.open(req)

if self.operate.geturl() == 'http://www.renren.com/Home.do':
print 'Logged on successfully!'
self.cj.save('renren.coockie')
self.__viewnewinfo()
else:
print 'Logged on error'

def __viewnewinfo(self):
'''查看好友的更新状态'''
self.__caiinfo()

def __caiinfo(self):
'''采集信息'''

h3patten = re.compile('<h3>(.*?)</h3>')#匹配范围
apatten = re.compile('<a.+>(.+)</a>:')#匹配作者
cpatten = re.compile('</a>(.+)\s')#匹配内容
infocontent = self.operate.readlines()
# print infocontent
print 'friend newinfo:'
for i in infocontent:
content = h3patten.findall(i)
if len(content) != 0:
for m in content:
username = apatten.findall(m)
info = cpatten.findall(m)
if len(username) !=0:
print username[0],'说:',info[0]
print '----------------------------------------------'
else:
continue

ren = Renren()
username = ''#你的人人网的帐号
password = ''#你的人人网的密码
domain = 'renren.com'#人人网的地址
origURL = 'http://www.renren.com/Home.do'#人人网登录以后的地址
ren.setinfo(username,password,domain,origURL)
ren.login()

主要用到了python cookielib,urllib2,urllib这3个模块，这3个模块是python做http这方面比较好的模块.
self.cj = cookielib.LWPCookieJar()

try:
self.cj.revert('renren.coockie')
except Exception,e:
print e
self.opener = urllib2.build_opener(urllib2.HTTPCookieProcessor(self.cj))

urllib2.install_opener(self.opener)