python模拟登录及表单提交

本文将实现从优快云博客获取内容发布至百度博客，分别实践抓取博客内容、模拟登录、表单提交。在下文代码中间逐一阐述。

# -*- coding: utf-8 -*- import re import urllib import urllib2 import cookielib #获取优快云博客标题和正文 url = "http://blog.youkuaiyun.com/[username]/archive/2010/07/05/5712850.aspx" sock = urllib.urlopen(url) html = sock.read() sock.close() content = re.findall('(?<=blogstory">).*(?=<p class="right artical)', html, re.S) content = re.findall('<mce:script.*><!-- .* // --></mce:script>(.*)', content[0], re.S) title = re.findall('(?<=<title>)(.*)-.* - 优快云.*(?=</title>)', html, re.S) #根据上文获取内容新建表单值 blog = {'spBlogTitle': title[0].decode('utf-8').encode('gbk'), #百度博客标题 'spBlogText': content[0].decode('utf-8').encode('gbk'),#百度博客内容 'ct': "1", 'cm': "1"} del content del title #模拟登录 cj = cookielib.CookieJar() #用户名和密码 post_data = urllib.urlencode({'username': '[username]', 'password': '[password]', 'pwd': '1'}) #登录路径 path = 'https://passport.baidu.com/?login' opener = urllib2.build_opener(urllib2.HTTPCookieProcessor(cj)) opener.addheaders = [('User-agent', 'Opera/9.23')] urllib2.install_opener(opener) req = urllib2.Request(path, post_data) conn = urllib2.urlopen(req) #获取百度发布博客的认证令牌 bd = urllib2.urlopen(urllib2.Request('http://hi.baidu.com/[username]/creat/blog')).read() bd = re.findall('(?<=bdstoken/" value=/").*(?=ct)', bd, re.S) blog['bdstoken'] = bd[0][:32] #设置分类名 blog['spBlogCatName'] = 'php' #比较表单发布博客 req2 = urllib2.Request('http://hi.baidu.com/[username]/commit', urllib.urlencode(blog)) #查看表单提交后返回内容 print urllib2.urlopen(req2).read() #请将[username]/[password]替换为您的真实用户名和密码 #搞定收工……