Python实现提取谷歌音乐搜索结果的方法

Python的简单脚本，用于提取谷歌音乐搜索页面中的歌曲信息，包括歌曲名，作者，专辑名，现在链接等，最多只提取10页结果。

#! /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 &＃25104; 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('(&＃63;:\)',song)
  name = re.findall('.+&＃63;\(.*&＃63;)\',td[0])
  authorName = name[0]
  authorName = translate(authorName)
  return authorName
def extrackAlbumName(song):
  '提取专辑名字'
  td = re.findall('(&＃63;:\0:
    return td[0]
  else:
    return song
def extractLink(song):
  '提取歌曲下载链接'
  td = re.findall('''\
            var cpro_id = "u6885494";