如何使用Python从iTunes URL轻松提取ID

Question

iTunes网址如下所示:

http://itunes.apple.com/us/album/break-of-dawn/id472335316?ign-mpt=uo%3D
http://itunes.apple.com/us/app/monopoly-here-now-the-world/id299110947?mt=8
http://itunes.apple.com/es/app/revista-/id397781759?mt=8%3Futm_so%3Dtwitter
http://itunes.apple.com/app/id426698291&mt=8"
http://itunes.apple.com/us/album/respect-the-bull-single/id4899
http://itunes.apple.com/us/album/id6655669

如何轻松提取ID号？

例:

get_id("http://itunes.apple.com/us/album/brawn/id472335316?ign-mpt=uo")

#returns 472335316

Answer 1

import re

def get_id(toParse):
    return re.search('id(\d+)', toParse).groups()[0]

我会告诉你错误处理......