python使用urllib模块开发的多线程豆瓣小站mp3下载器

概述复制代码代码如下:#!/usr/bin/python2.7#--coding:utf-8--importos,urllib,urllib2,thread,threadingimportre

复制代码 代码如下:
#! /usr/bin/python2.7
# -- Coding:utf-8 --

import os,urllib,urllib2,thread,threading
import re

#匹配音乐url
reg=re.compile('{"name":"(.+?)".+?"rawUrl":"(.+?)",.+?}',re.I)

class downloader(threading.Thread):
        def __init__(self,url,name):
                threading.Thread.__init__(self)
                self.url=url
                self.name=name

        def run(self):
                print 'downloading from %s' % self.url
                urllib.urlretrIEve(self.url,self.name)

threads=[]

#多线程下载文件
def main(url):
        response=urllib.urlopen(url)
        text=response.read()
        groups=re.finditer(reg,text)
        for g in groups:
                name=g.group(1).strip() + ".mp3"
                path=g.group(2).replace('\\','')
                t=downloader(path,name)
                threads.append(t)
                t.start()

                                                                                                                                                     
if __name__ == '__main__':
        main("http://site.douban.com/huazhou/")
        for t in threads:
                t.join()

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