Python 之爬虫实战 -- 免费音乐下载器

【Tkinter界面化小程序】用Python做一款免费音乐下载器、无广告无弹窗、清爽超流畅哦~

思路

进入某音乐主页输入任意歌手，比如李XX为列。

音乐从哪里来？---网站的服务器里

怎么从网址里得到音乐？---向网站发起网络请求

最后用tkinter做成一个界面下载框即可

环境

本文用到的环境如下：Python3、Pycharm，requests、tkinter模块。

源码

找到头文件地址：


headers = {
    'Referer': 'https://y.qq.com/portal/search.html',
    'User-Agent': 'Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) '
                  'Chrome/77.0.3865.90 Safari/537.36 '
}

完整源码：


# -*- coding: utf-8 -*-
from tkinter import *
import requests
import json
import os

headers = {
    'Referer': 'https://y.qq.com/portal/search.html',
    'User-Agent': 'Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) '
                  'Chrome/77.0.3865.90 Safari/537.36 '
}


def downlaod_song():
    music_info_list = []
    name = entry.get()
    page = '1'
    num = '10'
    url = f'https://c.y.qq.com/soso/fcgi-bin/client_search_cp?p={page}&n={num}&w={name}'
    response = requests.get(url).text
    # 将response切分成json格式 类似字典 但是现在还是字符串
    music_json = response[9:-1]
    music_data = json.loads(music_json)
    music_list = music_data['data']['song']['list']
    for music in music_list:
        music_name = music['songname']  # 歌曲的名字
        singer_name = music['singer'][0]['name']  # 歌手的名字
        songmid = music['songmid']
        media_mid = music['media_mid']
        music_info_list.append((music_name, singer_name, songmid, media_mid))
    # 获取vkey
    music_data = []
    for music in music_info_list:
        music_name = music[0]
        singer_name = music[1]
        songmid = music[2]
        url = 'https://u.y.qq.com/cgi-bin/musicu.fcg?data={"req":{"module":"CDN.SrfCdnDispatchServer","method":"GetCdnDispatch","param":{"guid":"8846039534","calltype":0,"userip":""}},"req_0":{"module":"vkey.GetVkeyServer","method":"CgiGetVkey","param":{"guid":"8846039534","songmid":["%s"],"songtype":[0],"uin":"1152921504784213523","loginflag":1,"platform":"20"}},"comm":{"uin":"1152921504784213523","format":"json","ct":24,"cv":0}}' % songmid
        response = requests.get(url).json()  # 如果你获取的数据 是 {}  .json() 他会直接帮我们转换成字典
        purl = response['req_0']['data']['midurlinfo'][0]['purl']
        full_media_url = 'http://dl.stream.qqmusic.qq.com/' + purl
        music_data.append(
            {
                'music_name': music_name,
                'singer_name': singer_name,
                'full_media_url': full_media_url
            }

        )
    if not os.path.exists('歌曲下载'):
        os.mkdir('歌曲下载')
    for music in music_data:
        music_name = music['music_name']
        singer_name = music['singer_name']
        full_url = music['full_media_url']
        music_response = requests.get(full_url, headers=headers).content  # 获取到二进制数据
        with open('歌曲下载/%s-%s.mp3' % (music_name, singer_name), 'wb')as fp:
            fp.write(music_response)
            # 添加数据到列表框的最后
            text.insert(END, '正在下载:%s' % music_name)
            # 文本框向下滚动
            text.see(END)
            # 更新(不更新就一直卡在那，显示同样的内容)
            text.update()


# 1.创建窗口
root = Tk()
# 2.窗口标题
root.title('QQ音乐')
# 3.窗口大小以及显示位置,中间是小写的x
root.geometry('550x400+550+230')
# 窗口显示位置
# 4.标签控件
lable = Label(root, text='请输入需要下载的歌手或歌曲:', font=('微软雅黑', 10))
lable.grid(row=0, column=0)
# 5.输入控件
entry = Entry(root, font=('微软雅黑', 25))
entry.grid(row=0, column=1)
# 6.列表框控件
text = Listbox(root, font=('微软雅黑', 16), width=45, height=10)
# # columnspan组件所跨月的列数
text.grid(row=1, columnspan=2)
# 7.按钮控件
button = Button(root, text='开始下载', width=10, font=('微软雅黑', 10), command=downlaod_song)
button.grid(row=2, column=0, sticky=W)
button1 = Button(root, text='退出', width=10, font=('微软雅黑', 10), command=root.quit)
button1.grid(row=2, column=1, sticky=E)
# 消息循环,显示窗口
root.mainloop()