python登录豆瓣并发帖的方法


            本文实例讲述了python登录豆瓣并发帖的方法。分享给大家供大家参考。具体如下：

这里涉及urllib、urllib2及cookielib常用方法的使用

登录豆瓣，由于有验证码，采取的办法是将验证码图片下载到同目录下，查看图片后输入验证码即可登录、发帖

帖子内容写死在代码中了 





# -- coding:gbk --

import sys, time, os, re

import urllib, urllib2, cookielib

loginurl = 'http://www.douban.com/accounts/login'

cookie = cookielib.CookieJar()

opener = urllib2.build_opener(urllib2.HTTPCookieProcessor(cookie))

params = {

"form_email":"your email",

"form_password":"your password",

"source":"index_nav" #没有的话登录不成功

}

#从首页提交登录

response=opener.open(loginurl, urllib.urlencode(params))

#验证成功跳转至登录页

if response.geturl() == "http://www.douban.com/accounts/login":

  html=response.read()

  #验证码图片地址

  imgurl=re.search('<img id="captcha_image" src="(.+?)" alt="captcha" class="captcha_image"/>', html)

  if imgurl:

    url=imgurl.group(1)

    #将图片保存至同目录下

    res=urllib.urlretrieve(url, 'v.jpg')

    #获取captcha-id参数

    captcha=re.search('<input type="hidden" name="captcha-id" value="(.+?)"/>' ,html)

    if captcha:

      vcode=raw_input('请输入图片上的验证码：')

      params["captcha-solution"] = vcode

      params["captcha-id"] = captcha.group(1)

      params["user_login"] = "登录"

      #提交验证码验证

      response=opener.open(loginurl, urllib.urlencode(params))

      ''' 登录成功跳转至首页 '''

      if response.geturl() == "http://www.douban.com/":

        print 'login success ! '

        print '准备进行发帖'

        p={"ck":""}

        c = [c.value for c in list(cookie) if c.name == 'ck']

        if len(c) > 0:

          p["ck"] = c[0].strip('"')    

        addtopicurl="http://www.douban.com/group/python/new_topic"

        res=opener.open(addtopicurl)

        html=res.read()

        m= re.search('<input type="hidden" name="topic_id" value="(.+?)">', html) 

        p["topic_id"] = m.group(1)

        m= re.search('<input type="hidden" name="topic_id_sig" value="(.+?)">', html) 

        p["topic_id_sig"] = m.group(1)

        p["rev_title"] = 'title'

        p["rev_text"] = 'send body'

        p["rev_submit"] = '好了，发言'

        request=urllib2.Request(addtopicurl)

        request.add_header("User-Agent","Mozilla/5.0 (Windows NT 6.1) AppleWebKit/536.11 (KHTML, like Gecko) Chrome/20.0.1132.57 Safari/536.11")

        request.add_header("Accept-Charset", "GBK,utf-8;q=0.7,*;q=0.3")

        request.add_header("Origin", "http://www.douban.com")

        request.add_header("Referer", "http://www.douban.com/group/python/new_topic")

        opener.open(request, urllib.urlencode(p))







希望本文所述对大家的Python程序设计有所帮助。