Python实现提取谷歌音乐搜索结果的方法

#! /usr/bin/env python
#coding=utf-8
'''
Created on 2011-8-19
@author: yaoboyuan
'''
from urllib import request,parse
import re,sys
def extractSongRawData(text):
 '抓取每一首歌的原始数据'
 text = re.sub('\n+','',text)
 songList = re.findall('\',text)
 nums = len(songList)
 print('search ' + str(nums) + ' songs')
 return songList
def translate(text):
 '去掉text中的无用字符，转换unicode码'
 text = re.sub('\','',text)
 text = re.sub('\','',text)
 #find the 成 and translate into chinese
 s = re.findall('&#([0-9]+);',text)
 if len(s)<=0:
 return text
 else:
 text = ''
 for i in range(len(s)):
 value = int(s[i],10) #from str'123' to 10 base's int 124
 text += chr(value) #from value to char
 return text
def extractSongName(song):
 '提取歌曲名字'
 td = re.findall('(?:\)',song)
 name = re.findall('.+?\(.*?)\',td[0])
 authorName = name[0]
 authorName = translate(authorName)
 return authorName
def extrackAlbumName(song):
 '提取专辑名字'
 td = re.findall('(?:\0:
 return td[0]
 else:
 return song
def extractLink(song):
 '提取歌曲下载链接'
 td = re.findall('''\