python采集百度百科的方法

#!/usr/bin/python# -*- coding: utf-8 -*-#encoding=utf-8 #Filename:get_baike.pyimport urllib2,reimport sysdef getHtml(url,time=10): response = urllib2.urlopen(url,timeout=time) html = response.read() response.close() return htmldef clearBlank(html): if len(html) == 0 : return '' html = re.sub('/r|/n|/t','',html) while html.find(" ")!=-1 or html.find(' ')!=-1 :  html = html.replace(' ',' ').replace(' ',' ') return htmlif __name__ == '__main__':  html = getHtml('http://baike.baidu.com/view/4617031.htm',10)  html = html.decode('gb2312','replace').encode('utf-8') #转码  title_reg = r'<h1 class="title" id="[/d]+">(.*?)</h1>'  content_reg = r'<div class="card-summary-content">(.*?)</p>'  title = re.compile(title_reg).findall(html)  content = re.compile(content_reg).findall(html)  title[0] = re.sub(r'<[^>]*?>', '', title[0])  content[0] = re.sub(r'<[^>]*?>', '', content[0])  print title[0]  print '#######################'  print content[0]