Python抓取Discuz!用户名脚本代码

# -*- coding: utf-8 -*-
# Author: 天一
# Blog: http://www.90blog.org
# Version: 1.0
# 功能: Python抓取百度站长平台用户名脚本

import urllib
import urllib2 
import re
import time

def BiduSpider():
     pattern = re.compile(r'<title>(.*)的个人资料  百度站长社区 </title>')
     uid=1
     thedatas = []
     while uid <400000:
         theUrl = "http://bbs.zhanzhang.baidu.com/home.php?mod=space&uid="+str(uid)
         uid +=1
         theResponse  = urllib2.urlopen(theUrl)
         thePage = theResponse.read()
         #正则匹配用户名
         theFindall = re.findall(pattern,thePage)
         #等待0.5秒，以防频繁访问被禁止
         time.sleep(0.5)
         if theFindall :
              #中文编码防止乱码输出
              thedatas = theFindall[0].decode('utf-8').encode('gbk')
              #写入txt文本文档
              f = open('theUid.txt','a')
              f.writelines(thedatas+'\n')
              f.close()

if __name__ == '__main__':
     BiduSpider()