python模拟登录及表单提交

本文将实现从CSDN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 reimport urllibimport urllib2import cookielib#获取CSDN博客标题和正文url = "http://blog.csdn.net/[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>)(.*)-.* - CSDN.*(?=</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 contentdel 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……