Optimize README.md

# Conflicts:
#	modules/functions/load_file_song.py
#	modules/utils/inputs.py

.gitignore

@@ -0,0 +1,6 @@
+out/
+settings.json
+.idea/
+venv/
+venv_win/
+test/

README.md

@@ -10,10 +10,13 @@ It uses the module `requests` to fetch the lyric on music.163.com
 Netease Music supply us an api that we can get the lyric of the current song, so I make this program...
 
 ## Installation
-First, you need a python environment, and use `pip` to install these packages: `requests` `mutagen` `pycryptodome`
->Feel complex? just copy this command to your terminal: `python3 -m pip install requests mutagen pycryptodome`
+First, you need a python(>=3.10) environment
 
-Second, clone the entire project and run the command `python3 main.py` in the project folder.
+Second, clone the entire project and install packages with the command below:
+```commandline
+python3 -m pip install -r requirements.txt
+```
+Last, run the command `python3 main.py` in the project folder.
 
 ## What can it do?
 Just download lyrics.
@@ -22,7 +25,7 @@ You need to provide the id or the share link of the song, and the program will d
 
 Now it can recognize 163 key in music files that download from Netease Cloudmusic client.
 
-- 2022/8/13 Now it has the function from `ncmdump`, it can decrypt the ncm files and fetch the specific lyric.
+- 2022/8/13 Now it has the function from `ncmdump`, and it can decrypt the ncm files and fetch the specific lyric.
 
 ## Todo
 

README_cn.md

@@ -9,10 +9,16 @@
 网易云音乐提供给我们了一个获取歌词的API ~~然后我就做了这个程序（~~
 
 ## 爷要安装
-首先，你需要一个Python环境(要求版本>=3.10,因为使用了3.10python的新特性)，然后使用pip来安装`requests` `mutagen` `pycryptodome`这几个包
->您觉得很麻烦?_~~事真多~~_ 直接复制这段命令到终端罢！（你得先有Python和pip）： `python3 -m pip install requests mutagen pycryptodome`
+首先，你需要一个Python环境(要求版本>=3.10,因为使用了3.10python的新特性)
 
-然后，把整个项目薅下来，在当前目录下运行`python3 main.py`就行了
+然后，把整个项目薅下来，安装依赖项目：
+```commandline
+python3 -m pip install -r requirements.txt
+```
+最后运行下面命令：
+```commandline
+python3 main.py
+```
 
 ## 这玩意到底能干啥?
 ~~nmd~~这玩意就像它的名字一样，下载歌词用的

main.py

@@ -1,17 +1,17 @@
 #!/usr/bin/env python3
-# ↑ For Linux & MacOS to run this program directly if the user currently installed python and third-party packages.
+# ↑ For Linux & macOS to run this program directly if the user currently installed python and third-party packages.
 # -*- coding: utf-8 -*-
 # author: David-123
 
 
-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
-from modules.load_file_song import get_lyric_from_folder
+from modules.utils.inputs import rinput
+from modules.utils.information import print_info
+from modules.functions.multi_download import mdl
+from modules.functions.one_download import download_one_lyric
+from modules.submenus.settings import settings_menu
+from modules.functions.save_load_settings import load_settings
+from modules.utils.clear_screen import clear
+from modules.functions.load_file_song import get_lyric_from_folder
 
 
 class MainProcess(object):
@@ -30,11 +30,11 @@ class MainProcess(object):
             r = rinput("请选择:")
 
             if r == "1":
-                download_one_lyric(self.settings.lyric_path)
+                download_one_lyric(self)
             elif r == "2":
-                mdl(self.settings.lyric_path)
+                mdl(self)
             elif r == "3":
-                get_lyric_from_folder(self.settings.lyric_path)
+                get_lyric_from_folder(self)
             elif r == "0":
                 exit(0)
             elif r == "i":

modules/functions/load_file_song.py

@@ -0,0 +1,315 @@
+import binascii
+import json
+import os
+import struct
+from base64 import b64decode
+from multiprocessing import Process, Queue
+from queue import Empty
+from time import sleep
+
+from progress.bar import Bar
+from Cryptodome.Cipher import AES
+from mutagen import File, flac
+from mutagen.id3 import ID3, TPE1, APIC, COMM, TIT2, TALB
+
+from modules.utils.clear_screen import clear
+from modules.functions.get_song import get_song_lyric
+from modules.utils.inputs import cinput, rinput
+
+
+def load_information_from_song(path) -> str | dict:
+    """从音乐文件中的 Comment 字段获取 163 key 并解密返回歌曲信息"""
+    file = File(path)  # 使用 mutagen 获取歌曲信息
+    if os.path.splitext(path)[-1] == ".mp3":  # 当文件为 mp3 时使用 ID3 格式读取
+        if file.tags.get("COMM::XXX"):
+            if file.tags["COMM::XXX"].text[0][:7] == "163 key":
+                ciphertext = file.tags["COMM::XXX"].text[0][22:]
+            else:
+                return "not_support"
+        else:
+            return "not_support"
+    elif os.path.splitext(path)[-1] == ".flac":  # 当文件为 flac 时使用 FLAC 格式读取
+        if file.tags.get("DESCRIPTION"):
+            if file.tags["DESCRIPTION"][0][:7] == "163 key":
+                ciphertext = file.tags["DESCRIPTION"][0][22:]
+            else:
+                return "not_support"
+        else:
+            return "not_support"
+    else:
+        return "not_support"
+
+    def unpad(s):  # 创建清理针对于网易云的 AES-128-ECB 解密后末尾占位符的函数
+        if type(s[-1]) == int:
+            end = s[-1]
+        else:
+            end = ord(s[-1])
+        return s[0:-end]
+        # return s[0:-(s[-1] if type(s[-1]) == int else ord(s[-1]))]  更加清晰的理解 ↑
+
+    cryptor = AES.new(b"#14ljk_!\\]&0U<'(", AES.MODE_ECB)  # 使用密钥创建解密器
+
+    # 下方这一行将密文 ciphertext 转换为 bytes 后进行 base64 解码, 得到加密过的 AES 密文
+    # 再通过上方创建的 AES 128-ECB 的解密器进行解密, 然后使用 unpad 清除末尾无用的占位符后得到结果
+    try:
+        r = unpad((cryptor.decrypt(b64decode(bytes(ciphertext, "utf-8"))).decode("utf-8")))
+    except ValueError:
+        return "decrypt_failed"
+
+    if r:
+        if r[:5] == "music":
+            return json.loads(r[6:])
+        else:
+            return "not_a_normal_music"
+    else:
+        return "decrypt_failed"
+
+
+def load_and_decrypt_from_ncm(file_path, target_dir) -> dict:  # nondanee的源代码, 根据需求更改了某些东西
+    core_key = binascii.a2b_hex("687A4852416D736F356B496E62617857")
+    meta_key = binascii.a2b_hex("2331346C6A6B5F215C5D2630553C2728")
+
+    def unpad(s):
+        return s[0:-(s[-1] if type(s[-1]) == int else ord(s[-1]))]
+    f = open(file_path, 'rb')
+    header = f.read(8)
+    assert binascii.b2a_hex(header) == b'4354454e4644414d'
+    f.seek(2, 1)
+    key_length = f.read(4)
+    key_length = struct.unpack('<I', bytes(key_length))[0]
+    key_data = f.read(key_length)
+    key_data_array = bytearray(key_data)
+    for i in range(0, len(key_data_array)):
+        key_data_array[i] ^= 0x64
+    key_data = bytes(key_data_array)
+    cryptor = AES.new(core_key, AES.MODE_ECB)
+    key_data = unpad(cryptor.decrypt(key_data))[17:]
+    key_length = len(key_data)
+    key_data = bytearray(key_data)
+    key_box = bytearray(range(256))
+    last_byte = 0
+    key_offset = 0
+    for i in range(256):
+        swap = key_box[i]
+        c = (swap + last_byte + key_data[key_offset]) & 0xff
+        key_offset += 1
+        if key_offset >= key_length:
+            key_offset = 0
+        key_box[i] = key_box[c]
+        key_box[c] = swap
+        last_byte = c
+    meta_length = f.read(4)
+    meta_length = struct.unpack('<I', bytes(meta_length))[0]
+    meta_data = f.read(meta_length)
+    meta_data_array = bytearray(meta_data)
+    for i in range(0, len(meta_data_array)):
+        meta_data_array[i] ^= 0x63
+    meta_data = bytes(meta_data_array)
+    comment = meta_data
+    meta_data = b64decode(meta_data[22:])
+    cryptor = AES.new(meta_key, AES.MODE_ECB)
+    meta_data = unpad(cryptor.decrypt(meta_data)).decode('utf-8')[6:]
+    meta_data = json.loads(meta_data)
+    crc32 = f.read(4)
+    crc32 = struct.unpack('<I', bytes(crc32))[0]
+    ..., crc32
+    f.seek(5, 1)
+    image_size = f.read(4)
+    image_size = struct.unpack('<I', bytes(image_size))[0]
+    image_data = f.read(image_size)
+    file_name = f.name.split("/")[-1].split(".ncm")[0] + '.' + meta_data['format']
+    m = open(os.path.join(target_dir, file_name), 'wb')
+    while True:
+        chunk = bytearray(f.read(0x8000))
+        chunk_length = len(chunk)
+        if not chunk:
+            break
+        for i in range(1, chunk_length + 1):
+            j = i & 0xff
+            chunk[i - 1] ^= key_box[(key_box[j] + key_box[(key_box[j] + j) & 0xff]) & 0xff]
+        m.write(chunk)
+    m.close()
+    f.close()
+
+    # 对解密后的文件进行信息补全
+    if meta_data["format"] == "mp3":  # 针对 mp3 使用 ID3 进行信息补全
+        audio = ID3(os.path.join(target_dir, os.path.splitext(file_path.split("/")[-1])[0] + ".mp3"))
+        artists = []
+        for i in meta_data["artist"]:
+            artists.append(i[0])
+        audio["TPE1"] = TPE1(encoding=3, text=artists)  # 插入歌手
+        audio["APIC"] = APIC(encoding=3, mime='image/jpg', type=3, desc='', data=image_data)  # 插入封面
+        audio["COMM::XXX"] = COMM(encoding=3, lang='XXX', desc='', text=[comment.decode("utf-8")])  # 插入 163 key 注释
+        audio["TIT2"] = TIT2(encoding=3, text=[meta_data["musicName"]])  # 插入歌曲名
+        audio["TALB"] = TALB(encoding=3, text=[meta_data["album"]])  # 插入专辑名
+        audio.save()
+    elif meta_data["format"] == "flac":  # 针对 flac 使用 FLAC 进行信息补全
+        audio = flac.FLAC(os.path.join(target_dir, os.path.splitext(file_path.split("/")[-1])[0] + ".flac"))
+        artists = []
+        for i in meta_data["artist"]:
+            artists.append(i[0])
+        audio["artist"] = artists[:]  # 插入歌手
+        audio["title"] = [meta_data["musicName"]]  # 插入歌曲名
+        audio["album"] = [meta_data["album"]]  # 插入专辑名
+        audio["description"] = comment.decode("utf-8")  # 插入 163 key 注释
+        audio.save()
+
+    return meta_data
+
+
+def process_work(path, filename, target, q_err: Queue, q_info: Queue):
+    try:
+        result = load_and_decrypt_from_ncm(path, target)
+    except AssertionError:
+        q_err.put(f"\t- 文件 \"{filename}\" 破解失败!")
+    else:
+        q_info.put(result)
+
+
+def get_lyric_from_folder(self):
+    clear()
+    path = cinput(
+        f"[NeteaseMusicLyricDownloader] {self.version}\n"
+        "[自动获取]\n"
+        "请输入歌曲的保存文件夹(绝对路径):")
+    if not os.path.exists(path):
+        input("路径不存在.\n按回车返回...")
+        return
+
+    print("正在遍历目录,请稍后...")
+    musics = []
+    ncm_files = []
+    fails = 0
+    for i in os.listdir(path):  # 遍历目录,查找目标文件
+        ext = os.path.splitext(i)[-1]
+        if ext in ['.mp3', '.flac']:  # 对于 mp3 和 flac 文件, 使用对应读取解密方式
+            result = load_information_from_song(os.path.join(path, i))
+            if result == "not_support":
+                fails += 1
+                print(f"文件 \"{i}\" 未包含 163 key ,跳过")
+            elif result == "decrypt_failed":
+                fails += 1
+                print(f"文件 \"{i}\" 内 163 key 解密失败,跳过")
+            elif result == "not_a_normal_music":
+                fails += 1
+                print(f"文件 \"{i}\" 内 163 key 不是一个普通音乐文件,这可能是一个电台曲目")
+            else:
+                musics.append({"id": result['musicId'], "name": result["musicName"], "artists": result["artist"]})
+        elif ext == ".ncm":  # 对于 ncm 先加入到列表，等待解密
+            ncm_files.append(i)
+        else:
+            pass
+
+    target_path = ""
+    if ncm_files:
+        while True:
+            print(f"\n发现{len(ncm_files)}个ncm加密文件!")
+            print("请问解密后的文件保存在哪里?\n"
+                  "[1] 保存在相同文件夹内\n[2] 保存在程序设定的下载文件夹中\n[3] 保存在自定义文件夹内\n[q] 取消解密,下载歌词时将忽略这些文件")
+            select = rinput("请选择: ")
+            if select == 'q':
+                target_path = "NOT_DECRYPT"
+                break
+            elif select == '1':
+                target_path = path
+                break
+            elif select == '2':
+                target_path = self.settings.lyric_path
+                break
+            elif select == '3':
+                target_path = cinput("请输入: ")
+                break
+            else:
+                print("输入无效！按回车继续...")
+
+        if target_path != "NOT_DECRYPT":  # 开始进行逐个文件解密
+            errors = []  # 初始化变量
+            q_err = Queue()  # 错误信息队列
+            q_info = Queue()  # 返回信息队列
+            max_process = 20  # 最大进程数
+            current_process = 0  # 当前正在活动的进程数
+            passed = 0  # 总共结束的进程数
+            with Bar(f"正在破解 %(index){len(str(len(ncm_files)))}d/%(max)d",
+                     suffix="", max=len(ncm_files), color="blue") as bar:
+                total = len(ncm_files)
+                allocated = 0  # 已经分配的任务数量
+                while True:  # 进入循环，执行  新建进程->检测队列->检测任务完成  的循环
+                    sleep(0)
+                    if current_process <= max_process and allocated < total:  # 分配进程
+                        Process(target=process_work,
+                                args=(os.path.join(path, ncm_files[allocated]),
+                                      ncm_files[allocated],
+                                      target_path,
+                                      q_err,
+                                      q_info)).start()
+                        allocated += 1
+                        bar.suffix = f"已分配: {ncm_files[allocated-1]}"
+                        bar.update()
+                    while True:  # 错误队列检测
+                        try:
+                            errors.append(q_err.get_nowait())
+                            passed += 1  # 总任务完成数
+                            current_process -= 1  # 检测到进程完毕将进程-1
+                            bar.next()  # 推动进度条
+                            fails += 1  # 错误数量+1
+                        except Empty:
+                            break
+                    while True:  # 信息队列检测
+                        try:
+                            r = q_info.get_nowait()
+                            musics.append({"id": r['musicId'], "name": r["musicName"], "artists": r["artist"]})
+                            passed += 1
+                            current_process -= 1
+                            bar.suffix = f"已完成: {r['musicName']} - "\
+                                         f"{''.join([x + ', ' for x in [x[0] for x in r['artist']]])[:-2]}"
+                            bar.next()
+                        except Empty:
+                            break
+                    if passed >= len(ncm_files):
+                        break
+            if errors:
+                print("解密过程中发现了以下错误:")
+                for i in errors:
+                    print(i)
+
+    # 汇报索引结果
+    ncm_files_num = 0
+    if ncm_files:
+        if target_path == "NOT_DECRYPT":
+            ncm_files_num = len(ncm_files)
+    print(f"\n索引完毕!共找到{fails + len(musics) + ncm_files_num}个目标文件\n{len(musics)}个文件已载入\n{fails}个文件失败")
+    if ncm_files:
+        if target_path == "NOT_DECRYPT":
+            print(f"{len(ncm_files)}个文件放弃加载")
+    while True:
+        print("\n你希望如何保存这些歌曲的歌词?\n[1]保存到刚刚输入的绝对路径中\n[2]保存到程序设定的下载路径中")
+        r = rinput("请选择: ")
+        if r == "1":
+            lyric_path = path
+            break
+        elif r == "2":
+            lyric_path = self.settings.lyric_path
+            break
+        else:
+            try:
+                input("无效选择, 若取消请按 ^C ,继续请按回车")
+                clear()
+            except KeyboardInterrupt:
+                return
+
+    clear()
+    for i in range(0, len(musics)):  # 根据索引结果获取歌词
+        print("\n进度: %d/%d" % (i + 1, len(musics)))
+        if get_song_lyric(musics[i], lyric_path, allinfo=True) == "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)...")
+    if ncm_files:
+        if target_path != "NOT_DECRYPT":
+            agree = rinput("是否删除原ncm文件? (y/n)")
+            if agree == "y":
+                for i in range(0, len(ncm_files)):
+                    print("删除进度: %d/%d\n -> %s\033[F" % (i + 1, len(ncm_files), ncm_files[i]), end="")
+                    os.remove(os.path.join(path, ncm_files[i]))
+            else:
+                print("取消.", end="")
+    input("\n\033[K按回车返回...")
+    return

modules/functions/multi_download.py

@@ -1,16 +1,18 @@
 import re
-from modules.clear_screen import clear
-from modules.raw_input import rinput
-from modules.get_song import get_song_lyric
+from modules.utils.clear_screen import clear
+from modules.utils.inputs import rinput
+from modules.functions.get_song import get_song_lyric
 
 
-def mdl(path: str):
+def mdl(self):
     """多个歌词文件的下载
 
     ``path: str`` 传入歌词文件保存的路径"""
     clear()
     ids = []
-    print("输入歌曲id,用回车分开,输入s停止")
+    print(f"[NeteaseMusicLyricDownloader] {self.version}\n"
+          "[手动-多个下载]\n"
+          "输入歌曲id,用回车分开,输入s停止")
     while True:
         r = rinput()
         if r == 's':
@@ -18,9 +20,7 @@ def mdl(path: str):
         else:
             try:
                 int(r)
-
             except ValueError:
-
                 tmp = re.search(r"song\?id=[0-9]*", r)
                 if tmp:
                     r = tmp.group()[8:]
@@ -31,7 +31,8 @@ def mdl(path: str):
             print("\t#%d id:%s - 已添加!" % (len(ids), r))
     clear()
     for i in range(0, len(ids)):
-        print("\n进度: %d/%d" % (i+1, len(ids)))
-        if get_song_lyric(ids[i], path) == "dl_err_connection":
+        print("进度: %d/%d" % (i+1, len(ids)))
+        r = get_song_lyric(ids[i], self.settings.lyric_path)
+        if r == "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/functions/one_download.py

@@ -1,15 +1,18 @@
 import re
-from modules.raw_input import rinput
-from modules.get_song import get_song_lyric
-from modules.clear_screen import clear
+from modules.utils.inputs import rinput
+from modules.functions.get_song import get_song_lyric
+from modules.utils.clear_screen import clear
 
 
-def download_one_lyric(path: str):
+def download_one_lyric(self):
     """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:")
+    song_id = rinput(
+        f"[NeteaseMusicLyricDownloader] {self.version}\n"
+        "[手动-单个下载]\n"
+        "请输入歌曲id:")
     try:
         int(song_id)
     except ValueError:
@@ -20,6 +23,6 @@ def download_one_lyric(path: str):
             input("不合法的形式.\n按回车键返回...")
             return
 
-    if get_song_lyric(song_id, path) == "dl_err_connection":
+    if get_song_lyric(song_id, self.settings.lyric_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/load_file_song.py

@@ -1,230 +0,0 @@
-import binascii
-import json
-import os
-import struct
-from base64 import b64decode
-
-from Cryptodome.Cipher import AES
-from mutagen import File
-from mutagen.id3 import ID3, TPE1, APIC, COMM, TIT2, TALB
-
-from modules.clear_screen import clear
-from modules.get_song import get_song_lyric
-
-
-def load_information_from_song(path):
-    """从音乐文件中的 Comment 字段获取 163 key 并解密返回歌曲信息"""
-    file = File(path)  # 使用 TinyTag 获取歌曲信息
-    if file.tags.get("COMM::XXX"):
-        if file.tags["COMM::XXX"].text[0][:7] == "163 key":
-            ciphertext = file.tags["COMM::XXX"].text[0][22:]
-        else:
-            return "not_support"
-    else:
-        return "not_support"
-
-    def unpad(s):  # 创建清理针对于网易云的 AES-128-ECB 解密后末尾占位符的函数
-        if type(s[-1]) == int:
-            end = s[-1]
-        else:
-            end = ord(s[-1])
-        return s[0:-end]
-        # return s[0:-(s[-1] if type(s[-1]) == int else ord(s[-1]))]  更加清晰的理解 ↑
-    cryptor = AES.new(b"#14ljk_!\\]&0U<'(", AES.MODE_ECB)  # 使用密钥创建解密器
-
-    # 下方这一行将密文 ciphertext 转换为 bytes 后进行 base64 解码, 得到加密过的 AES 密文
-    # 再通过上方创建的 AES 128-ECB 的解密器进行解密, 然后使用 unpad 清除末尾无用的占位符后得到结果
-    try:
-        r = unpad((cryptor.decrypt(b64decode(bytes(ciphertext, "utf-8"))).decode("utf-8")))
-    except ValueError:
-        return "decrypt_failed"
-
-    if r:
-        if r[:5] == "music":
-            return json.loads(r[6:])
-        else:
-            return "not_a_normal_music"
-    else:
-        return "decrypt_failed"
-
-
-def load_and_decrypt_from_ncm(file_path, targetdir):  # nondanee的源代码, 根据需求更改了某些东西
-    core_key = binascii.a2b_hex("687A4852416D736F356B496E62617857")
-    meta_key = binascii.a2b_hex("2331346C6A6B5F215C5D2630553C2728")
-    unpad = lambda s: s[0:-(s[-1] if type(s[-1]) == int else ord(s[-1]))]
-    f = open(file_path, 'rb')
-    header = f.read(8)
-    assert binascii.b2a_hex(header) == b'4354454e4644414d'
-    f.seek(2, 1)
-    key_length = f.read(4)
-    key_length = struct.unpack('<I', bytes(key_length))[0]
-    key_data = f.read(key_length)
-    key_data_array = bytearray(key_data)
-    for i in range(0, len(key_data_array)):
-        key_data_array[i] ^= 0x64
-    key_data = bytes(key_data_array)
-    cryptor = AES.new(core_key, AES.MODE_ECB)
-    key_data = unpad(cryptor.decrypt(key_data))[17:]
-    key_length = len(key_data)
-    key_data = bytearray(key_data)
-    key_box = bytearray(range(256))
-    c = 0
-    last_byte = 0
-    key_offset = 0
-    for i in range(256):
-        swap = key_box[i]
-        c = (swap + last_byte + key_data[key_offset]) & 0xff
-        key_offset += 1
-        if key_offset >= key_length:
-            key_offset = 0
-        key_box[i] = key_box[c]
-        key_box[c] = swap
-        last_byte = c
-    meta_length = f.read(4)
-    meta_length = struct.unpack('<I', bytes(meta_length))[0]
-    meta_data = f.read(meta_length)
-    meta_data_array = bytearray(meta_data)
-    for i in range(0, len(meta_data_array)):
-        meta_data_array[i] ^= 0x63
-    meta_data = bytes(meta_data_array)
-    comment = meta_data
-    meta_data = b64decode(meta_data[22:])
-    cryptor = AES.new(meta_key, AES.MODE_ECB)
-    meta_data = unpad(cryptor.decrypt(meta_data)).decode('utf-8')[6:]
-    meta_data = json.loads(meta_data)
-    crc32 = f.read(4)
-    crc32 = struct.unpack('<I', bytes(crc32))[0]
-    f.seek(5, 1)
-    image_size = f.read(4)
-    image_size = struct.unpack('<I', bytes(image_size))[0]
-    image_data = f.read(image_size)
-    file_name = f.name.split("/")[-1].split(".ncm")[0] + '.' + meta_data['format']
-    m = open(os.path.join(targetdir, file_name), 'wb')
-    chunk = bytearray()
-    while True:
-        chunk = bytearray(f.read(0x8000))
-        chunk_length = len(chunk)
-        if not chunk:
-            break
-        for i in range(1, chunk_length + 1):
-            j = i & 0xff
-            chunk[i - 1] ^= key_box[(key_box[j] + key_box[(key_box[j] + j) & 0xff]) & 0xff]
-        m.write(chunk)
-    m.close()
-    f.close()
-
-    # 对解密后的文件进行信息补全
-    audio = ID3(os.path.splitext(file_path)[0]+"."+meta_data["format"])
-    artists = []
-    for i in meta_data["artist"]:
-        artists.append(i[0])
-    audio["TPE1"] = TPE1(encoding=3, text=artists)  # 插入歌手
-    audio["APIC"] = APIC(encoding=3, mime='image/jpg', type=3, desc='', data=image_data)  # 插入封面
-    audio["COMM::XXX"] = COMM(encoding=3, lang='XXX', desc='', text=[comment.decode("utf-8")])  # 插入 163 key 注释
-    audio["TIT2"] = TIT2(encoding=3, text=[meta_data["musicName"]])  # 插入歌曲名
-    audio["TALB"] = TALB(encoding=3, text=[meta_data["album"]])  # 插入专辑名
-    audio.save()
-
-    return meta_data
-
-
-def get_lyric_from_folder(lyric_path: str):
-    clear()
-    path = input("请输入歌曲的保存文件夹(绝对路径):").strip()
-    if not os.path.exists(path):
-        input("路径不存在.\n按回车返回...")
-        return
-
-    print("正在遍历目录,请稍后...")
-    musics = []
-    ncm_files = []
-    fails = 0
-    for i in os.listdir(path):  # 遍历目录,查找目标文件
-        ext = os.path.splitext(i)[-1]
-        if ext in ['.mp3', '.flac']:  # 对于 mp3 和 flac 文件, 使用对应读取解密方式
-            result = load_information_from_song(os.path.join(path, i))
-            if result == "not_support":
-                fails += 1
-                print(f"文件 \"{i}\" 未包含 163 key ,跳过")
-            elif result == "decrypt_failed":
-                fails += 1
-                print(f"文件 \"{i}\" 内 163 key 解密失败,跳过")
-            elif result == "not_a_normal_music":
-                fails += 1
-                print(f"文件 \"{i}\" 内 163 key 不是一个普通音乐文件,这可能是一个电台曲目")
-            else:
-                musics.append({"id": result['musicId'], "name": result["musicName"], "artists": result["artist"]})
-        elif ext == ".ncm":  # 对于 ncm 先加入到列表，等待解密
-            ncm_files.append(i)
-        else:
-            pass
-
-    if ncm_files:
-        while True:
-            print(f"\n发现{len(ncm_files)}个ncm加密文件!")
-            print("请问解密后的文件保存在哪里?\n"
-                  "[1] 保存在相同文件夹内\n[2] 保存在程序设定的下载文件夹中\n[3] 保存在自定义文件夹内\n[q] 取消解密,下载歌词时将忽略这些文件")
-            select = input("请选择: ").strip().lower()
-            if select == 'q':
-                target_path = "NOT_DECRYPT"
-                break
-            elif select == '1':
-                target_path = path
-                break
-            elif select == '2':
-                target_path = lyric_path
-                break
-            elif select == '3':
-                target_path = input("请输入: ").strip()
-                break
-            else:
-                print("输入无效！按回车继续...")
-
-        if target_path != "NOT_DECRYPT":
-            for i in range(0, len(ncm_files)):
-                print("破解进度: %d/%d ~ %s" % (i+1, len(ncm_files), ncm_files[i]))
-                try:
-                    result = load_and_decrypt_from_ncm(os.path.join(path, ncm_files[i]), target_path)
-                except AssertionError:
-                    print(f"\t- 文件 \"{ncm_files[i]}\" 破解失败!\n\t  可能是文件不完整或者重命名了别的文件?跳过...")
-                    fails += 1
-                    continue
-                print("\t--> %s" % os.path.splitext(ncm_files[i])[0]+"."+result["format"])
-                musics.append({"id": result['musicId'], "name": result["musicName"], "artists": result["artist"]})
-
-    # 汇报索引结果
-    print(f"\n索引完毕!共找到{fails + len(musics) + len(ncm_files)}个目标文件\n{len(musics)}个文件已载入\n{fails}个文件失败")
-    if ncm_files:
-        if target_path == "NOT_DECRYPT":
-            print(f"{len(ncm_files)}个文件放弃加载")
-    while True:
-        print("\n你希望如何保存这些歌曲的歌词?\n[1]保存到刚刚输入的绝对路径中\n[2]保存到程序设定的下载路径中")
-        r = input("请选择: ").strip().lower()
-        if r == "1":
-            break
-        elif r == "2":
-            path = lyric_path
-            break
-        else:
-            try:
-                input("无效选择, 若取消请按 ^C ,继续请按回车")
-                clear()
-            except KeyboardInterrupt:
-                return
-
-    clear()
-    for i in range(0, len(musics)):  # 根据索引结果获取歌词
-        print("\n进度: %d/%d" % (i + 1, len(musics)))
-        if get_song_lyric(musics[i], path, allinfo=True) == "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)...")
-    if ncm_files:
-        if target_path != "NOT_DECRYPT":
-            agree = input("是否删除原ncm文件? (y/n)").strip().lower()
-            if agree == "y":
-                for i in range(0, len(ncm_files)):
-                    print("删除进度: %d/%d ~ %s" % (i+1, len(ncm_files), ncm_files[i]))
-                    os.remove(os.path.join(path, ncm_files[i]))
-            else:
-                print("取消.")
-    input("按回车返回...")
-    return

modules/readmp3.py

@@ -1,89 +0,0 @@
-import json
-import os
-import re
-from tinytag import TinyTag
-from requests import post
-from modules.get_song import get_song_lyric
-from modules.clear_screen import clear
-
-
-def load_information_from_mp3(path):
-    """从音乐文件中的 Comment 字段获取 163 key 并解密返回歌曲信息"""
-    file = TinyTag.get(path)  # 使用 TinyTag 获取歌曲信息
-    if file.comment:
-        if file.comment[:7] == "163 key":
-            ciphertext = file.comment[22:]
-        else:
-            return "not_support"
-    else:
-        return "not_support"
-    data = {
-        "data": ciphertext,
-        "type": "aes_decrypt",
-        "encode": "base64",
-        "key": "#14ljk_!\\]&0U<'(",  # 感谢大佬 chenjunyu19 在 MorFans Dev 上提供的密文密钥
-        "digit": 128,
-        "mode": "ECB",
-        "pad": "Pkcs5Padding"
-    }
-    try:
-        r = post("https://www.mklab.cn/utils/handle", data=data).text[17:-2].replace("\\\"", "\"")  # 十分感谢 MKLAB 网站提供的解密接口!!
-    except ConnectionError:
-        return "dl_err_connection"
-    if r:
-        return json.loads(r)
-    else:
-        return "decrypt_failed"
-
-
-def get_lyric_from_folder(lyric_path: str):
-    clear()
-    path = input("请输入歌曲的保存文件夹(绝对路径):").strip().replace("\\", "/")
-    if not os.path.exists(path):
-        input("路径不存在,请检查输入...")
-        return
-    if path[-1] != "/":
-        path += "/"
-
-    print("正在遍历目录,请稍后...")
-    musics = []
-    fails = 0
-    for i in os.listdir(path):  # 遍历目录,查找目标文件
-        match = re.match(r".*\.((mp3)|(flac))$", i)
-        if match:
-            result = load_information_from_mp3(path+match.group())
-            if result == "not_support":
-                fails += 1
-                print(f"文件 \"{i}\" 未包含 163 key ,跳过")
-            elif result == "decrypt_failed":
-                fails += 1
-                print(f"文件 \"{i}\" 内 163 key 解密失败,跳过")
-            elif result == "dl_err_connection":
-                input("获取解密结果失败!请检查网络连接是否正常,若确信自身没有问题请向作者反馈是否解密接口出现问题!")
-                return
-            else:
-                musics.append({"id": result['musicId'], "name": result["musicName"], "artists": result["artist"]})
-
-    # 汇报索引结果
-    print(f"\n索引完毕!共找到{fails+len(musics)}个目标文件\n{len(musics)}个文件已载入\n{fails}个文件失败\n")
-    while True:
-        r = input("你希望如何保存这些歌曲的歌词?\n[1]保存到刚刚输入的绝对路径中\n[2]保存到程序设定的下载路径中\n请选择: ").strip().lower()
-        if r == "1":
-            break
-        elif r == "2":
-            path = lyric_path
-            break
-        else:
-            try:
-                input("无效选择, 若取消请按 ^C ,继续请按回车")
-                clear()
-            except KeyboardInterrupt:
-                return
-
-    clear()
-    for i in range(0, len(musics)):  # 根据索引结果获取歌词
-        print("\n进度: %d/%d" % (i + 1, len(musics)))
-        if get_song_lyric(musics[i], path, allinfo=True) == "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...")
-    return

modules/settings.py

@@ -1,65 +0,0 @@
-"""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] {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":
-            __remove_lyric_files(self.settings.lyric_path)
-        elif r == "s":
-            __save_settings(self)
-        else:
-            input("输入无效！按回车键继续...")
-
-
-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])
-        input("删除完毕!\n按回车继续...")
-    else:
-        input("文件夹内没有要删除的东西\n按回车继续...")
-
-
-def __set_lyric_path(self):
-    clear()
-    print("允许使用相对路径和绝对路径，默认为\"./out/\"\n请*不要*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...")
-        return
-    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)

modules/submenus/settings.py

@@ -0,0 +1,101 @@
+"""集合设置参数"""
+
+import os
+from modules.utils.clear_screen import clear
+from modules.utils.inputs import rinput, cinput
+from modules.functions.save_load_settings import save_settings
+
+
+def settings_menu(self):
+    """设置菜单主循环"""
+    while True:
+        clear()
+        print(f"[NeteaseMusicLyricDownloader] {self.version}\n"
+              "[设置菜单]\n"
+              "[0] 返回上级\n[1] 歌曲保存路径\n[2] 清空输出文件夹内的内容\n[3] 歌词文件保存格式\n[4] 部分动态效果\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":
+            __remove_output_files(self)
+        elif r == "3":
+            pass
+        elif r == "4":
+            pass
+        elif r == "s":
+            __save_settings(self)
+        else:
+            input("输入无效！按回车键继续...")
+
+
+def __remove_output_files(self):
+    while True:
+        clear()
+        print(f"[NeteaseMusicLyricDownloader] {self.version}\n"
+              "[设置菜单 - 删除文件]\n"
+              "[0] 返回上级\n[1] 清除歌词文件\n[2] 清除歌曲文件\n[a] 清除所有文件")
+        r = rinput("请选择:")  # 选择清除的文件格式
+        if r == "0":
+            return
+        elif r == "1":
+            dellist = [".lrc"]
+            break
+        elif r == "2":
+            dellist = [".mp3", ".flac"]
+            break
+        elif r == "a":
+            dellist = ["ALL"]
+            break
+        else:
+            input("输入无效!\n按回车键继续...")
+    files = []
+    for i in os.listdir(self.settings.lyric_path):  # 列出所有文件
+        if dellist[0] == "ALL":
+            files = os.listdir(self.settings.lyric_path)
+            break
+        elif os.path.splitext(i)[-1] in dellist:  # 匹配文件
+            files.append(i)  # 将匹配到的文件加入到列表, 等待删除
+    if len(files) != 0:
+        if len(files) > 30:
+            special_text = "\033[F"
+        else:
+            special_text = "\n"
+        for i in range(0, len(files)):
+            print("删除进度: %d/%d\n -> %s%s" % (i+1, len(files), files[i], special_text), end="")  # 删除进度提示
+            os.remove(self.settings.lyric_path+files[i])
+        input("\n\033[K删除完毕!\n按回车继续...")
+        return
+    else:
+        input("文件夹内没有要删除的东西\n按回车继续...")
+        return
+
+
+def __set_lyric_path(self):
+    clear()
+    print("允许使用相对路径和绝对路径，默认为\"./out/\"\n请*不要*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...")
+        return
+    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...")
+    return
+
+
+def __set_lyric_format(self):
+    pass
+
+
+def __save_settings(self):
+    return save_settings(self.settings)

modules/utils/information.py

@@ -1,5 +1,5 @@
 """该程序的自述信息,调用即输出"""
-from modules.clear_screen import clear
+from modules.utils.clear_screen import clear
 
 
 def print_info(self):

modules/utils/inputs.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尾空格并全部小写的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()

requirements.txt

@@ -0,0 +1,4 @@
+requests
+mutagen
+pycryptodomex
+progress