Python应用爬虫下载QQ音乐歌曲！

from urllib.request import urlretrieve

import requests

import json

import os

import time

import sys

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')

print('''

声明：本小程序仅供娱乐和学习，切莫用于商业用途，一经发现，概不负责！

''')

w=parse.urlencode({'w':input('输入歌名:')})

url='https://c.y.qq.com/soso/fcgi-bin/client_search_cp?ct=24&qqmusic_ver=1298&new_json=1&remoteplace=txt.yqq.song&searchid=63229658163010696&t=0&aggr=1&cr=1&catZhida=1&lossless=0&flag_qc=0&p=1&n=10&%s&g_tk=5381&loginUin=0&hostUin=0&format=json&inCharset=utf8&outCharset=utf-8¬ice=0&platform=yqq.json&needNewCode=0'%(w)

content=requests.get(url=url)

str_1=content.text

dict_1=json.loads(str_1)

song_list=dict_1['data']['song']['list']

str_3='''https://u.y.qq.com/cgi-bin/musicu.fcg?-=getplaysongvkey5559460738919986&g_tk=5381&loginUin=0&hostUin=0&format=json&inCharset=utf8&outCharset=utf-8¬ice=0&platform=yqq.json&needNewCode=0&data={"req":{"module":"CDN.SrfCdnDispatchServer","method":"GetCdnDispatch","param":{"guid":"1825194589","calltype":0,"userip":""}},"req_0":{"module":"vkey.GetVkeyServer","method":"CgiGetVkey","param":{"guid":"1825194589","songmid":["%s"],"songtype":[0],"uin":"0","loginflag":1,"platform":"20"}},"comm":{"uin":0,"format":"json","ct":24,"cv":0}}'''

url_list=[]

music_name=[]

for i in range(len(song_list)):

    music_name.append(song_list[i]['name']+'-'+song_list[i]['singer'][0]['name'])

    print('{}.{}-{}'.format(i+1,song_list[i]['name'],song_list[i]['singer'][0]['name']))

    url_list.append(str_3 % (song_list[i]['mid']))

id=int(input('请输入你想下载的音乐序号:'))

content_json=requests.get(url=url_list[id-1])

dict_2=json.loads(content_json.text)

url_ip=dict_2['req']['data']['freeflowsip'][1]

purl=dict_2['req_0']['data']['midurlinfo'][0]['purl']

downlad=url_ip+purl

try:

    os.mkdir('./QQ音乐')

except:

    pass

finally:

    try:

        print('开始下载...')

        urlretrieve(url=downlad,filename='./QQ音乐/{}.mp3'.format(music_name[id-1]))

        Time_1()

        print('{}.mp3下载完成！'.format(music_name[id-1]))

    except Exception as e:

        print(e,'对不起，你没有该歌曲的版权！')


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