First Update

main.py

@@ -0,0 +1,49 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+# author David-123
+
+
+import os
+
+from modules.raw_input import rinput
+from modules.information import print_info
+from modules.multi_download import mdl
+from modules.one_download import download_one_lyric
+from modules.settings import settings_menu
+from modules.save_load_settings import load_settings
+from modules.clear_screen import clear
+
+
+class MainProcess(object):
+    def __init__(self):
+        self.settings = load_settings()
+        if not os.path.exists(self.settings.lyric_path):
+            os.mkdir(self.settings.lyric_path)
+        self.version = "0.0.0"
+
+    def mainloop(self):
+        """程序主循环"""
+        while True:
+            clear()
+            print(f"[NeteaseMusicLyricDownloader Reloaded] {self.version}\n"
+                  "[程序主菜单]\n"
+                  "[0] 退出程序\n[i] 程序信息\n[1] 单个歌曲的歌词下载\n[2] 多个歌曲的歌词下载\n[s] 进入设置")
+            r = rinput("请选择:")
+
+            if r == "1":
+                download_one_lyric(self.settings.lyric_path)
+            elif r == "2":
+                mdl(self.settings.lyric_path)
+            elif r == "0":
+                break
+            elif r == "i":
+                print_info(self)
+            elif r == "s":
+                settings_menu(self)
+            else:
+                input("请输入正确的选项\n按回车键继续...")
+
+
+if __name__ == "__main__":
+    app = MainProcess()
+    app.mainloop()

modules/clear_screen.py

@@ -0,0 +1,12 @@
+"""包含一个函数，用来清空命令行的信息，自动判别系统"""
+import os
+
+
+def clear():
+    name = os.name
+    if name == "nt":
+        os.system("cls")
+    elif name == "posix":
+        os.system("clear")
+    else:
+        os.system("clear")

modules/get_song.py

@@ -0,0 +1,108 @@
+"""集合 下载歌词 以及 获取歌曲信息 的功能"""
+from json import loads
+from requests import post
+from requests.exceptions import ConnectionError
+from time import sleep
+
+
+def wait_retry():
+    print("api提示操作频繁，等待恢复...")
+    while True:
+        try:
+            tmp = post(f"http://music.163.com/api/song/detail/?&ids=[1]")
+        except ConnectionError:
+            return "dl_err_connection"
+        else:
+            if loads(tmp.text)["code"] == 200:
+                return "continue"
+        sleep(1)
+
+
+def get_song_info_raw(types: list, id: str):
+    """获取歌曲信息
+    
+    types 提供一个list,将会返回内部所有符合要求的信息类型\n
+    id 提供一个歌曲id(str),将会把歌曲的`types`信息返回"""
+    print("id:%s" % id)
+
+    try:
+        response = post(f"http://music.163.com/api/song/detail/?&ids=[{id}]")
+    except ConnectionError:
+        return "dl_err_connection"
+    else:
+        info = loads(response.text)
+        if info["code"] == 406:  # 判断当操作频繁时，继续获取，直到可以返回值为200为止
+            result = wait_retry()
+            if result == "continue":
+                pass
+            elif result == "dl_err_connection":
+                return "dl_err_connection"
+            else:
+                raise Exception("Unknown exception...")
+
+        if not info.get("songs"):  # 判断是否存在该歌曲
+            print("这首歌没有找到，跳过...")
+            return "song_nf"
+        else:
+            need = {}
+            for i in types:  # 通过传入的变量 types 获取信息(根据返回的信息分析得到的下面这句语句)
+                need.setdefault(i, info["songs"][0][i])
+            return need
+
+
+def get_song_lyric(id: str | int, path: str):
+    """获取歌词
+    
+    ``id`` 提供一个歌曲id
+    ``path`` 提供歌曲下载的路径"""
+    sinfo = get_song_info_raw(["name", "artists"], id)
+    if sinfo == "dl_err_connection":  # 处理各式各样的事件
+        return "dl_err_connection"
+    elif sinfo == "song_nf":
+        return "song_nf"
+    else:  # 整理歌曲数据，获取歌词
+        artists = ""
+        for i in sinfo["artists"]:
+            artists += f"{i['name']},"
+        artists = artists[:-1]
+
+        name = sinfo["name"]
+        replaces = {  # 处理非法字符所用的替换字典(根据网易云下载的文件分析得到)
+            "|": "｜",
+            ":": "：",
+            "<": "＜",
+            ">": "＞",
+            "?": "？",
+            "/": "／",
+            "\\": "＼",
+            "*": "＊",
+            '"': "＂"
+        }
+        for k, v in replaces.items():
+            name = name.replace(k, v)
+
+        print(f"歌曲:{name} - {artists}")
+        filename = f"{name} - {artists}.lrc"
+
+        try:
+            response = post(f"http://music.163.com/api/song/media?id={id}")
+        except ConnectionError:
+            return "dl_err_connection"
+        else:
+            info = loads(response.text)
+            if info["code"] == 406:  # 此处与上方一样，防止因为请求限制而跳过下载
+                result = wait_retry()
+                if result == "continue":
+                    pass
+                elif result == "dl_err_connection":
+                    return "dl_err_connection"
+                else:
+                    raise Exception("Unknown exception...")
+
+        tmp = loads(response.text)
+        if tmp.get("nolyric") or not tmp.get('lyric'):
+            print("这首歌没有歌词，跳过...")
+        else:
+            with open(f"{path}{filename}", "w", encoding="utf-8") as f:
+                f.write(tmp["lyric"])
+            print(f"歌词下载完成!被保存在{path}{filename}")

modules/information.py

@@ -0,0 +1,16 @@
+"""该程序的自述信息,调用即输出"""
+from modules.clear_screen import clear
+
+
+def print_info(self):
+    """调用即输出,无返回值"""
+    clear()
+    print(f"""[NeteaseMusicLyricDownloader Reloaded]
+版本: {self.version}
+本软件开源，项目地址:<url>
+作者:David-123
+联系方式:
+    QQ:1826013250
+    E-mail:1826013250@qq.com(mainly)
+           mc1826013250@gmail.com""")
+    input("按回车键返回...")

modules/multi_download.py

@@ -0,0 +1,28 @@
+"""多文件下载"""
+
+from modules.clear_screen import clear
+from modules.raw_input import rinput
+from modules.get_song import get_song_lyric
+
+
+def mdl(path: str):
+    clear()
+    ids = []
+    print("输入歌曲id,用回车分开,输入s停止")
+    while True:
+        r = rinput()
+        if r == 's':
+            break
+        else:
+            try:
+                int(r)
+            except ValueError:
+                print("该输入不合法")
+            else:
+                ids.append(r)
+    clear()
+    for i in range(0, len(ids)):
+        print("进度: %d/%d" % (i+1, len(ids)))
+        if get_song_lyric(ids[i], path) == "dl_err_connection":
+            input("下载发生错误！可能是连接被拒绝!请检查网络后再试\n按回车键继续任务(该任务会被跳过)...")
+    input("按回车键返回...")

modules/one_download.py

@@ -0,0 +1,22 @@
+# 导入自定义模块使用try，原因是如果在外部单独运行文件，无法通过modules索引到依赖的模块
+# 直接单独运行会出现 ModuleNotFoundError 报错
+
+from modules.raw_input import rinput
+from modules.get_song import get_song_lyric
+from modules.clear_screen import clear
+
+
+def download_one_lyric(path: str):
+    """单次下载歌词
+
+    ``path: str`` 存储歌词的路径"""
+    clear()
+    song_id = rinput("请输入歌曲id:")
+    try:
+        int(song_id)
+    except ValueError:
+        input("不合法的id形式.\n按回车键返回...")
+    else:
+        if get_song_lyric(song_id, path) == "dl_err_connection":
+            input("下载发生错误!可能是连接被拒绝!请检查网络后再试\n按回车键返回...")
+        input("按回车键返回...")

modules/raw_input.py

@@ -0,0 +1,11 @@
+"""该模块提供几个自定义处理输入函数"""
+
+
+def rinput(string: str = ''):
+    """当调用该函数时，同input()一样，但是返回一个去除首位空格并全部小写的str"""
+    return input(string).strip().lower()
+
+
+def cinput(string: str = ''):
+    """当调用该函数时，同input()一样，但是返回一个去除首尾空格的str"""
+    return input(string).strip()

modules/save_load_settings.py

@@ -0,0 +1,51 @@
+"""加载 or 保存设置文件"""
+
+import json
+import os
+
+
+class Settings(object):  # 设定一个基础的存储设置信息的 class
+    def __init__(self, l_p="./out/", lang="en"):
+        self.lyric_path = l_p
+        self.language = lang
+
+
+def class2dict(aclass):  # 让 json.dumps 将 class 转化为一个 dict ,用于保存
+    return {
+        "lyric_path": aclass.lyric_path,
+        "language": aclass.language,
+    }
+
+
+def dict2class(adict):  # 让 json.load 将读取到的 dict 转化为我们所需要的 class
+    if len(adict) != 2:  # 若检测到多余的设定将抛出异常
+        raise json.decoder.JSONDecodeError("Too many keys", "none", 0)
+    else:
+        return Settings(adict["lyric_path"], adict["language"])
+
+
+def load_settings():  # 加载 的函数
+    """加载设置
+    调用即可，无需参数
+    返回: 设置 class"""
+    if os.path.exists("settings.json"):  # 判断目录下是否存在 settings.json ,若没有则创建,若有则读取
+        with open("settings.json", 'r', encoding="utf-8") as f:
+            try:
+                return json.load(f, object_hook=dict2class)
+            except json.decoder.JSONDecodeError:  # 如果检测到文件无法读取,将会删除设置文件并重新创建
+                print("设置文件损坏,重新创建...")
+                os.remove("settings.json")
+                return load_settings()
+    else:
+        with open("settings.json", 'w', encoding="utf-8") as f:
+            f.write(json.dumps(Settings(), default=class2dict))
+            return Settings()
+
+
+def save_settings(settings):  # 保存 的函数
+    """保存设置
+    ``settings`` 传入一个 设置 class 将其序列化为json
+    返回 done 即为完成，理论上不存在报错所以暂时没有做其他处理"""
+    with open("settings.json", 'w', encoding="utf-8") as f:
+        f.write(json.dumps(settings, default=class2dict))
+        input("保存完成!按回车继续...")

modules/settings.py

@@ -0,0 +1,63 @@
+"""集合设置参数"""
+
+import os
+import re
+from modules.clear_screen import clear
+from modules.raw_input import rinput, cinput
+from modules.save_load_settings import save_settings
+
+
+def settings_menu(self):
+    """设置菜单主循环"""
+    while True:
+        clear()
+        print(f"[NeteaseMusicLyricDownloader Reloaded] {self.version}\n"
+              "[设置菜单]\n"
+              "[0] 返回上级\n[1] 设置歌曲保存路径\n[2] 清空输出文件夹内的所有歌词\n[s] 将设置保存到文件")
+        r = rinput("请选择:")
+        if r == "0":
+            return
+        elif r == "1":
+            __set_lyric_path(self)
+        elif r == "2":
+            __save_settings(self)
+        elif r == "s":
+            __remove_lyric_files(self.settings.lyric_path)
+        else:
+            input("输入")
+
+
+def __remove_lyric_files(path):
+    clear()
+    files = []
+    for i in os.listdir(path):
+        if re.match(r".*(\.lrc)$", i):
+            files.append(i)
+    if len(files) != 0:
+        for i in range(0, len(files)):
+            print("正在删除(%d/%d): %s" % (i+1, len(files), files[i]))
+            os.remove(path+files[i])
+        print("删除完毕!\n按回车继续...")
+    else:
+        print("文件夹内没有要删除的东西\n按回车继续...")
+
+
+def __set_lyric_path(self):
+    print("允许使用相对路径和绝对路径，默认为\"./out/\"\n请避免使用反斜杠来确保通用性\n"
+          "当前值:%s\n请输入新的歌词保存路径:" % self.settings.lyric_path)
+    r = cinput()
+    if not r:
+        input("输入为空!\n按回车继续...")
+    if r[-1] != "/":
+        r += "/"
+    path = ""
+    for i in r.split("/"):
+        path += i+"/"
+        if not os.path.exists(path):
+            os.mkdir(path)
+    self.settings.lyric_path = r
+    input("设置成功!\n按回车继续...")
+
+
+def __save_settings(self):
+    return save_settings(self.settings)