python怎么写个下载teahour音频的小脚本

teahour.py

#!/usr/bin/env python

#coding: utf-8

importsys

importrequests

fromBeautifulSoupimportBeautifulSoup

reload(sys)

sys.setdefaultencoding("utf-8")

defparse_index():

 l=[]

 r=requests.get("http://teahour.fm/")

 text=r.text

 html=BeautifulSoup(text)

 a=html.findAll("ul")[-3].findAll("a")

 foritemina:

  url="".join(["http://teahour.fm",item.attrs[0][1]])

  title=item.text

  title=title.strip("#")

  l.append((title,url))

 returnl

defwrite(lines):

 withopen("teahour.sh","a") as fh:

  fh.writelines(lines)

defparse_sub(t):

 title,url=t

 r=requests.get(url)

 text=r.text

 html=BeautifulSoup(text)

 audio_url=html.find("audio").attrs[-1][-1]

 ext=audio_url.split(".")[-1]

 line="wget '%s' -SO '%s.%s'\n"%(audio_url,title,ext)

 #print line

 returnline

defmain():

 lines=[]

 l=parse_index()

 fortinl:

  line=parse_sub(t)

  lines.append(line)

 write(lines)

if__name__=="__main__":

 main()

peiqiang@budongdeMacBook-Pro:~/Downloads/teahour$ cat teahour.sh

wget 'http://screencasts.b0.upaiyun.com/podcasts/teahour_episode_89.m4a' -SO ྕ 和玎玎聊聊如何搭建精益创业团队.m4a'

wget 'http://screencasts.b0.upaiyun.com/podcasts/teahour_episode_88.m4a' -SO ྔ 与墨刀创始人张元一聊创业从 0 到 1.m4a'

wget 'http://screencasts.b0.upaiyun.com/podcasts/teahour_episode_87.m4a' -SO ྒྷ 和互联网老兵高春辉聊 IPIP.net.m4a'

wget 'http://screencasts.b0.upaiyun.com/podcasts/teahour_episode_86.mp3' -SO ྒ 和『掘金』创始人阴明聊聊创业和技术.mp3'

wget 'http://screencasts.b0.upaiyun.com/podcasts/teahour_episode_85.mp3' -SO ྑ 这次我们聊聊远程工作.mp3'

peiqiang@budongdeMacBook-Pro:~/Downloads/teahour$ ll

total 1077896

-rw-r--r-- 1 peiqiang staff 130416640 3 16 20:02 83 这次我们聊聊超酷的Ethereum.m4a

-rw-r--r-- 1 peiqiang staff 109631418 3 3 2016 84 继续跟 Robbin 聊聊技术人的战略与战术.m4a

-rw-r--r-- 1 peiqiang staff 89519924 6 12 2016 85 这次我们聊聊远程工作.mp3

-rw-r--r-- 1 peiqiang staff 87766246 8 8 2016 86 和『掘金』创始人阴明聊聊创业和技术.mp3

-rw-r--r-- 1 peiqiang staff 59058564 9 11 2016 87 和互联网老兵高春辉聊 IPIP.net.m4a

-rw-r--r-- 1 peiqiang staff 32408522 10 26 15:55 88 与墨刀创始人张元一聊创业从 0 到 1.m4a

-rw-r--r-- 1 peiqiang staff 43051575 11 8 18:49 89 和玎玎聊聊如何搭建精益创业团队.m4a

-rwxr-xr-x@ 1 peiqiang staff  1055 3 16 20:02 teahour.py

-rw-r--r-- 1 peiqiang staff  11465 3 16 19:57 teahour.sh