python定时器爬取豆瓣音乐Top榜歌名

python定时器爬取豆瓣音乐Top榜歌名

作者:vpoet

mail:vpoet_sir@163.com

注:这些小demo都是前段时间为了学python写的,现在贴出来纯粹是为了和大家分享一下

 #coding=utf-8

 import urllib
 import urllib2
 import re
 import time 

 def SaveTop20Music(currtime):
     rex=r'<a href="javascript:;">(.*?)</a>';
     url = 'http://music.douban.com/chart';
     Response = urllib2.urlopen(url);
     Html=Response.read();
     listsofsong = re.findall(rex, Html);
     print len(listsofsong);
     f=open('%s.txt' % currtime,'w');
     x=1;
     for line in listsofsong:
         f.write('top'+str(x)+':'+line);
         f.write('\n');
         x=x+1;
         f.flush();

     f.close();
     print currtime+'.txt'+'\t\t'+'SaveOver'

 def timer(n):
     while True:
         currtime = time.strftime("Savetime_%H-%M-%S", time.localtime())
         print currtime
         SaveTop20Music(currtime)
         time.sleep(n) 

 if __name__ == "__main__":
     timer(5)

运行截图: