#! /usr/bin/python3
from urllib.request import urlopen
import urllib.parse
import json    # 导入json模块，为了使下载的js文件更容易得到所需的信息
import time,sys,os,ssl


ssl._create_default_https_context = ssl._create_unverified_context    #打开https网址，SSL证书验证
 
# 导入sys和time模块是为了显示进度条
def Time_1():     #  进度条函数
    for i in range(1,51):
        sys.stdout.write('\r')
        sys.stdout.write('{0}% |{1}'.format(int(i%51)*2,int(i%51)*'■'))
        sys.stdout.flush()
        time.sleep(0.125)
    sys.stdout.write('\n')
 
def KuGou_music() :
 
    keyword=urllib.parse.urlencode({'keyword':song_name})
    keyword=keyword[keyword.find('=')+1:]
    url='https://songsearch.kugou.com/song_search_v2?callback=jQuery1124042761514747027074_1580194546707&keyword='+keyword+'&page=1&pagesize=30&userid=-1&clientver=&platform=WebFilter&tag=em&filter=2&iscorrection=1&privilege_filter=0&_=1580194546709'
    content=urlopen(url=url)
    content=content.read().decode('utf-8')
    str_1=content[content.find('(')+1:-2]
    str_2=json.loads(str_1)
    Music_Hash={}
    Music_id={}
    for dict_1 in str_2['data']['lists']:
        Music_Hash[dict_1['FileName']]=dict_1['FileHash']
        Music_id[dict_1['FileName']]=dict_1['AlbumID']
        # print(dict_1)
 
 
    list_music_1=[music for music in Music_Hash] # 匹配到的所有歌曲名  列表
    list_music=[music for music in Music_Hash]
 
    for i in range(len(list_music)):
        if '- <em>' in list_music[i]:
            list_music[i]=list_music[i].replace('- <em>','-')
        if '</em>' in list_music[i]:
            list_music[i]=list_music[i].replace('</em>','')
        if '<em>' in list_music[i]:
            list_music[i]=list_music[i].replace('<em>','')
        # 以上语句使歌曲名称更加美观，去掉< em >  < / em >
        # 如： < em > 战狼 < / em > - 断情笔  经过这个处理之后     战狼 - 断情笔
 
    for i in range(len(list_music)):
        print("{}-:{}".format(i+1,list_music[i]))
    print("\n\n") 
    music_id_1=int(input('请输入你想下载的歌曲序号:'))
 
    # 'https://wwwapi.kugou.com/yy/index.php?r=play/getdata&hash=E77548A33D7AF84F727C32A786C107D0&album_id=542163&dfid=2SSV0x4LWcsx0iylej1F6w7P&mid=44328d3dc4bfce21cf2b95cf9e76b968&platid=4'
    # 一个加载js文件的标椎式样网址
 
    url='https://wwwapi.kugou.com/yy/index.php?r=play/getdata&hash='+Music_Hash[list_music_1[music_id_1-1]]+'&album_id='+Music_id[list_music_1[music_id_1-1]]+'&dfid=2SSV0x4LWcsx0iylej1F6w7P&mid=44328d3dc4bfce21cf2b95cf9e76b968&platid=4'
    js_content=urlopen(url=url)
    str_3=js_content.read().decode('utf-8')    # 所加载的js中的内容
    dict_2=json.loads(str_3)  # 将这个js格式转换成为字典格式
 
    try:
        music_href=dict_2['data']['play_backup_url']   #下载的歌曲网址
 
        music_content=urlopen(url=music_href).read()
        try:
            os.mkdir(song_name)
        except Exception as e:
            print(e,'歌名目录已经存在，但仍然可下载')
        finally:
            music_path=song_name+'/'+list_music[music_id_1-1]+'.mp3' # 歌曲下载路径
            with open(music_path,'wb') as f:
                print('\n正在下载当中...')
                f.write(music_content)
                Time_1()
                print('{}.mp3下载成功！'.format(list_music[music_id_1-1]))
 
    except:
        print('对不起，没有该歌曲的版权！')
 
if __name__=='__main__':
    print('\n------本程序从酷狗音乐下载歌曲，无歌词，适用于deepin系统， -------\n')
    while True:
        song_name = input('\n\n输入歌曲名：')
        KuGou_music()