MP3歌词下载器

隔壁老王下载了很多歌放在u盘里，用来在车上听歌，但是老王说很多歌没有歌词，他想把歌词补全，但是歌太多了，于是老王找到我，写了一个小程序帮他下载歌词。
目前该程序只支持mp3格式，有些歌曲如果不收录在网站中可能找不到，但大部分还是可以找到的。
如果谁有比较完整的歌词网站，可以给我留言，然后更新歌词来源。

代码分享

import os
import threading
import time
from tkinter import *
from tkinter import filedialog
from tkinter.ttk import *
import zhconv
import requests
from lxml import etree
 
"""
全局通用函数
"""
musicname = ""
 
# 自动隐藏滚动条
def scrollbar_autohide(bar, widget):
    def show():
        bar.lift(widget)
 
    def hide():
        bar.lower(widget)
 
    hide()
    widget.bind("<Enter>", lambda e: show())
    bar.bind("<Enter>", lambda e: show())
    widget.bind("<Leave>", lambda e: hide())
    bar.bind("<Leave>", lambda e: hide())
 
 
class WinGUI(Tk):
    def __init__(self):
        super().__init__()
        self.__win()
        self.tk_list_box_music = self.__tk_list_box_music()
        self.tk_list_box_lrc = self.__tk_list_box_lrc()
        self.tk_label_downloadinfo = self.__tk_label_downloadinfo()
        self.tk_button_refresh = self.__tk_button_refresh()
        self.tk_button_next = self.__tk_button_next()
        self.tk_label_info = self.__tk_label_info()
        self.tk_input_mp3path = self.__tk_input_mp3path()
        self.tk_button_openpath = self.__tk_button_openpath()
        self.tk_label_info1 = self.__tk_label_info1()
        self.tk_text_lrcinfo = self.__tk_text_lrcinfo()
        self.tk_button_download = self.__tk_button_download()
    def __win(self):
        self.title("哇哈哈歌词下载器")
        # 设置窗口大小、居中
        width = 600
        height = 800
        screenwidth = self.winfo_screenwidth()
        screenheight = self.winfo_screenheight()
        geometry = '%dx%d+%d+%d' % (width, height, (screenwidth - width) / 2, (screenheight - height) / 2)
        self.geometry(geometry)
        self.resizable(width=False, height=False)
 
    def __tk_list_box_music(self):
        lb = Listbox(self)
        lb.insert(END, "此处显示文件夹内的所有MP3文件")
        #lb.place(x=20, y=40, width=259, height=305)
        lb.place(x=20, y=40, width=157, height=305)
        return lb
 
    def __tk_list_box_lrc(self):
        lb = Listbox(self)
        lb.insert(END, "此处显示获取到的歌词文件，双击可以下载")
        #lb.place(x=320, y=40, width=259, height=302)
        lb.place(x=204, y=40, width=375, height=302)
 
        return lb
 
    def __tk_label_downloadinfo(self):
        label = Label(self, text="还没下载呢！")
        label.place(x=20, y=760, width=557, height=24)
        return label
 
 
    def __tk_button_refresh(self):
        btn = Button(self, text="刷新",command=lambda: self.thread_it(self.refresh()))
        btn.place(x=20, y=720, width=563, height=24)
        return btn
 
    def __tk_button_next(self):
        btn = Button(self, text="不显示已匹配到歌词的MP3",  command=lambda: self.thread_it(self.next1()))
        btn.place(x=20, y=680, width=563, height=24)
        return btn
 
    def __tk_label_info(self):
        label = Label(self, text="本程序自动获取文件夹下的所有mp3歌曲，没有歌词的标注红色，有歌词的标注黑色，\n左侧选择歌曲，右侧显示获取到的歌词，单击歌词列表后回车即可自动下载歌词。",
                      anchor="center")
        label.place(x=20, y=0, width=560, height=36)
        return label
 
    def __tk_input_mp3path(self):
        ipt = Entry(self)
        ipt.place(x=110, y=610, width=360, height=24)
        return ipt
 
    def __tk_button_openpath(self):
        btn = Button(self, text="选择",command=lambda: self.thread_it(self.openpath('select_path')))
        btn.place(x=490, y=610, width=50, height=24)
        return btn
 
    def __tk_label_info1(self):
        label = Label(self, text="选择MP3文件夹", anchor="center")
        label.place(x=20, y=610, width=77, height=24)
        return label
 
    def __tk_text_lrcinfo(self):
        text = Text(self)
        text.place(x=20, y=350, width=558, height=250)
 
        return text
 
    def __tk_button_download(self):
        btn = Button(self, text="回车可下载")
        btn.place(x=20, y=644, width=563, height=24)
        return btn
 
 
class Win(WinGUI):
    def __init__(self):
        super().__init__()
        self.__event_bind()
        self.bind('<Return>',self.download1)
    def __event_bind(self):
        self.tk_list_box_music.bind('<ButtonRelease>', self.downthis)
        self.tk_list_box_lrc.bind('<ButtonRelease>', self.getlrcinfo)
 
        pass
    def refresh(self):
        self.getallmp3(mp3path)
    def next1(self):
        self.tk_list_box_music.delete(0, END)  # 清空历史内容
        for root, dirs, files in os.walk(mp3path):
            # print(files)  # 当前路径下所有非目录子文件
            for file in files:
                if os.path.splitext(file)[1] == '.mp3':
                    print(file)  # 当前路径下所有非目录子文件
                    havelrc = False
                    lrcname = os.path.splitext(file)[0] + ".lrc"
                    print(mp3path + "/" + lrcname)
                    if os.path.isfile(mp3path + "/" + lrcname):
                        havelrc = True
                    print(havelrc)
                    if havelrc is False:
                        self.tk_list_box_music.insert(END, file)
                        # 文本框滑动
                        self.tk_list_box_music.see(END)
                        self.tk_list_box_music.itemconfig("end", bg="white" if havelrc else "red")
                        # 更新
                        self.tk_list_box_music.update()
    def openpath(self, strpath):
        # 单个文件选择
        strpath = filedialog.StringVar()
        selected_file_path = filedialog.askdirectory() #filedialog.askopenfilename(title='选择文件', filetypes=[(('JPG', '*.jpg')), ('All Files', '*')])  # 使用askopenfilename函数选择单个文件
 
        self.tk_input_mp3path.delete(0, "end")
        self.tk_input_mp3path.insert(0, selected_file_path)
        global mp3path
        mp3path = selected_file_path
        self.getallmp3(mp3path)
    def thread_it(self, func, *args):
        """ 将函数打包进线程，防止解析的时候GUI出现卡死的情况 """
        print("----------------------启动多线程--------------")
        self.myThread = threading.Thread(target=func, args=args)
        self.myThread.setDaemon(True)  # 主线程退出就直接让子线程跟随退出,不论是否运行完成。
        self.myThread.start()
    def downthis(self, evt):
        #print("<Button>事件未处理", evt)
        w = evt.widget
        #print(w.index(w.curselection()))
        value = w.get(w.curselection())
        #print(value)
        strmusicname = str(value).split(".mp3")[0]
        global musicname
        musicname = strmusicname
        strmusicname = str(strmusicname).split("（")[0]
        strmusicname = str(strmusicname).split("(")[0]
        strmusicname = strmusicname.replace(" ", "").replace("*", "").replace("#", "").replace("(", "").replace(")", "").replace("（", "").replace("）", "")
        print(strmusicname+".lrc")
        self.getlrcs(strmusicname)
 
    def getlrcs(self,strmusicname):
        strmusicname = zhconv.convert(strmusicname, 'zh-hans')
        print(strmusicname)
        headers = {
            "user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.141 Safari/537.36",
            # 判断请求是异步还是同步
            "x-requested-with": "XMLHttpRequest", }
        url = "https://www.90lrc.cn/so.php?wd="+strmusicname
        #url="https://www.90lrc.cn/so.php?wd=%E5%A4%84%E5%A4%84%E5%90%BB"
       # print(url)
        data = requests.get(url, headers=headers).content.decode("utf-8")
        data = str(data).replace("<em>","").replace("</em>","") #去除xpath不识别的标签
        html = etree.HTML(data)
        #print(data)
        #print(data)
        result = html.xpath('/html/body/div[3]/ul')
        self.tk_list_box_lrc.delete(0, END)  # 清空历史内容
        for re in result:
            url = re.xpath('./li[1]/a/@href') #歌词地址
            name = re.xpath('./li[1]/a/text()') #歌名
            sanger = re.xpath('./li[2]/a/text()') #歌手
            album = re.xpath('./li[3]/a/text()') #专辑
            if len(url) > 0:
                url = str(url[0])
            else:
                url = "无"
            if len(name)>0:
                name = str(name[0])
            else:
                name = "无"
            if len(sanger)>0:
                sanger = str(sanger[0])
            else:
                sanger = "无"
            if len(album)>0:
                album = str(album[0])
            else:
                album = "无"
            strinfo = "歌名："+name+"  歌手："+sanger+"  专辑："+album+"##$##"+str(url)
            self.tk_list_box_lrc.insert(END, strinfo)
            # 文本框滑动
            self.tk_list_box_lrc.see(END)
 
            # 更新
            self.tk_list_box_lrc.update()
    def getlrcinfo(self, evt):
        # print("<Button>事件未处理", evt)
        w = evt.widget
        # print(w.index(w.curselection()))
        value = w.get(w.curselection())
        value = str(value).split("##$##")[1]
        #print(value)
        url = "https://www.90lrc.cn" + value
        headers = {
            "user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.141 Safari/537.36",
            # 判断请求是异步还是同步
            "x-requested-with": "XMLHttpRequest", }
        data = requests.get(url, headers=headers).content.decode("utf-8")
 
        html = etree.HTML(data)
        varlrc = html.xpath("//*[@id=\"lrc\"]/text()")
        strlrc = ""
        i = 0
        for lrc in varlrc:
            if i==0:
                lrc = str(lrc).replace("\n","")
            if len(lrc)>0:
                strlrc = strlrc+lrc
            i=i+1
        #print(strlrc)
        self.tk_text_lrcinfo.delete(0.0,END)  # 清空历史内容
        self.tk_text_lrcinfo.insert(END,strlrc)
        # 文本框滑动
 
 
        # 更新
        self.tk_text_lrcinfo.update()
    def getallmp3(self,mp3path):
        self.tk_list_box_music.delete(0, END) #清空历史内容
        for root, dirs, files in os.walk(mp3path):
            #print(files)  # 当前路径下所有非目录子文件
            for file in files:
                if os.path.splitext(file)[1] == '.mp3':
                    print(file)  # 当前路径下所有非目录子文件
                    havelrc = False
                    lrcname =os.path.splitext(file)[0]+".lrc"
                    print(mp3path+"/"+lrcname)
                    if os.path.isfile(mp3path+"/"+lrcname):
                        havelrc = True
                    print(havelrc)
                    self.tk_list_box_music.insert(END, file)
                    # 文本框滑动
                    self.tk_list_box_music.see(END)
                    self.tk_list_box_music.itemconfig("end", bg="white" if havelrc else "red")
                    # 更新
                    self.tk_list_box_music.update()
    def download1(self, event = None):
        strlrc = self.tk_text_lrcinfo.get(1.0,END)
        path = self.tk_input_mp3path.get()
        name = musicname
        print(path)
        print(name)
        r = path + "/"+name+".lrc"
        if os.path.exists(r):  # 如果存在a/1.txt文件
            file = open(r, 'a', encoding='utf-8')  # a表示在原有文档下继续编辑
            file.write(str(strlrc))  # 在文件中写入loss： 2
            file.flush()
            file.close()
        else:
            # r为路径，'a\\1.txt','\\'与'/'一致，在os.path.join（）函数中，
            # 每个逗号之间的元素都会被'\\'分开，无需添加分隔符
            file = open(r, 'w', encoding='utf-8')  # w表示在重新创建文件
            file.write(str(strlrc))  # 在文件中写入loss： 2
            file.flush()
            file.close()
        self.tk_label_downloadinfo["text"] = name+"已下载完毕~"
if __name__ == "__main__":
    win = Win()
    win.mainloop()

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