python使用urllib模块开发的多线程豆瓣小站mp3下载器

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()