add small tools

main.py

@@ -15,6 +15,7 @@ from modules.submenus.settings import settings_menu
 from modules.functions.settings.save_load_settings import load_settings
 from modules.utils.clear_screen import cls_stay
 from modules.functions.mainly.load_file_song import get_lyric_from_folder
+from modules.submenus.tools import tools_menu
 
 
 class MainProcess(object):
@@ -31,24 +32,27 @@ class MainProcess(object):
                 "1": "单个歌曲的歌词下载",
                 "2": "多个歌曲的歌词下载",
                 "3": "从网易云下载的歌曲中获取歌词",
+                "t": "小工具",
                 "s": "进入设置",
                 "i": "程序信息",
             })
             r = rinput("请选择:")
-
+            match r:
-            if r == "1":
+                case "1":
                     download_one_lyric(self)
-            elif r == "2":
+                case "2":
                     mdl(self)
-            elif r == "3":
+                case "3":
                     get_lyric_from_folder(self)
-            elif r == "0":
+                case "0":
                     exit(0)
-            elif r == "i":
+                case "t":
+                    tools_menu(self)
+                case "i":
                     print_info(self)
-            elif r == "s":
+                case "s":
                     settings_menu(self)
-            else:
+                case _:
                     input("请输入正确的选项\n按回车键继续...")
 
 

modules/functions/mainly/load_file_song.py

@@ -147,7 +147,7 @@ def get_lyric_from_folder(self):
                                  suffix="", max=len(ncm_files), color="green", width=9999) 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
+                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(0.05)
                     if current_process <= max_process and allocated < total:  # 分配进程
                         Process(target=process_work,
@@ -176,7 +176,7 @@ def get_lyric_from_folder(self):
                             passed += 1
                             current_process -= 1
                             bar.print_onto_bar(Fore.YELLOW +
-                                               f"\"{r['musicName']} - "
+                                               f"\"{r['musicName']} by "
                                                f"{''.join([x + ', ' for x in [x[0] for x in r['artist']]])[:-2]}"
                                                "\"" + Fore.GREEN + " 已完成!")
                             bar.next()

modules/functions/mainly/multi_download.py

@@ -6,7 +6,6 @@ from modules.utils.inputs import rinput
 from modules.functions.mainly.get_song import get_song_lyric
 from modules.utils.bar import CompactArrowBar
 
-
 def mdl(self):
     """多个歌词文件的下载
 
@@ -34,7 +33,7 @@ def mdl(self):
     with CompactArrowBar(f"进度: %(index){len(str(len(ids)))}d/%(max)d",
                          suffix="", max=len(ids), color="yellow", width=9999) as bar:
         for i in range(0, len(ids)):
-            r = get_song_lyric(ids[i], self.settings.lyric_path, self.settings.lyric_path, bar=bar)
+            r = get_song_lyric(ids[i], self.settings.lyric_path, self.settings.lyric_format, bar=bar)
             if r == "dl_err_connection":
                 bar.print_onto_bar(Fore.RED + "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()

modules/functions/mainly/multi_unlock.py

@@ -0,0 +1,3 @@
+
+
+def mult_unlock(...)

modules/submenus/settings.py

@@ -24,19 +24,20 @@ def settings_menu(self):
             "4": "部分动态效果",
             "s": "切换设置自动保存"
         })
-        if r == "0":
+        match r:
+            case "0":
                 return
-        elif r == "1":
+            case "1":
                 __set_lyric_path(self)
-        elif r == "2":
+            case "2":
                 __remove_output_files(self)
-        elif r == "3":
+            case "3":
                 __set_lyric_format(self)
-        elif r == "4":
+            case "4":
                 pass
-        elif r == "s":
+            case "s":
                 self.settings.auto_save = not self.settings.auto_save
-        else:
+            case _:
                 input("输入无效！按回车键继续...")
 
 

modules/submenus/tools.py

@@ -0,0 +1,50 @@
+"""小工具以及菜单"""
+import os
+from colorama import Fore
+
+from modules.utils.prints import print_menu
+from modules.utils.clear_screen import cls_stay
+from modules.utils.inputs import cinput
+from modules.functions.mainly.load_file_song import load_and_decrypt_from_ncm, process_work
+
+
+
+def tools_menu(self):
+    while True:
+        cls_stay(self, "[小工具菜单]")
+        print_menu({
+            "0": "返回上级菜单",
+            "d": "解锁指定ncm文件/指定文件夹"
+        })
+        r = cinput("请选择:")
+        match r:
+            case "0":
+                return
+            case "d":
+                ncm_unlock(self)
+                input("按回车继续...")
+            case _:
+                input("请输入正确的选项\n按回车键继续...")
+
+
+def ncm_unlock(self):
+    cls_stay(self, "[小工具 - 文件解锁]")
+    path = cinput("请输入绝对路径:").replace("\\","")
+    if not os.path.exists(path):  # 判断目标存在与否
+        print("目标不存在！")
+        return
+    if os.path.isfile(path):  # 目标为文件则执行单文件解密
+        r = load_and_decrypt_from_ncm(path, os.path.split(path)[-1], "original", True)
+        match r:
+            case "file_not_found":
+                print("文件未找到")
+            case "perm_error":
+                print("权限错误。请检查是否拥有对应权限或者文件是否被占用。")
+            case _:
+                print(f"解锁完毕！文件保存在:\n{Fore.GREEN}{r[-1]}")
+        return
+    elif os.path.isdir(path):  # 目标为文件夹则执行文件夹遍历
+        ...
+    else:
+        print("无法识别目标文件。请确认目标文件是否正确以及是否拥有对应权限。")
+

modules/utils/dump.py

@@ -8,6 +8,7 @@ from Cryptodome.Cipher import AES
 from Cryptodome.Util.Padding import unpad
 from Cryptodome.Util.strxor import strxor as xor
 from mutagen import mp3, flac, id3
+from modules.utils.wrappers import escape_file_not_found, escape_permission_error
 
 
 def regular_filename(filename):
@@ -28,7 +29,14 @@ def regular_filename(filename):
     return filename
 
 
-def load_and_decrypt_from_ncm(file_path, target_dir, out_format) -> dict | str:  # author: Nzix Repo: nondanee
+@escape_file_not_found
+@escape_permission_error
+def load_and_decrypt_from_ncm(file_path, target_dir, out_format, return_output_path=False) -> dict | str | tuple:
+    # Original author: Nzix Repo: nondanee
+    """解锁指定文件并按照规则保存在指定位置
+    ``file_path`` 源文件路径
+    ``target_dir`` 解锁后文件保存路径
+    ``out_format`` 输出文件格式，使用“字典”格式字符串，若使用源文件名仅替换后缀则传入\"original\""""
 
     core_key = binascii.a2b_hex('687A4852416D736F356B496E62617857')
     meta_key = binascii.a2b_hex('2331346C6A6B5F215C5D2630553C2728')
@@ -89,7 +97,9 @@ def load_and_decrypt_from_ncm(file_path, target_dir, out_format) -> dict | str:
     f.seek(image_space - image_size, 1)
 
     # media data
-    if meta_length:
+    if out_format == "original":
+        output_path = f"{os.path.splitext(file_path)[0]}.{meta_data['format']}"
+    elif meta_length:
         output_path = os.path.join(target_dir, regular_filename(out_format % {"name": meta_data["musicName"],
                                                                               "artists": "".join(
             [x[0]+"," for x in meta_data["artist"]]
@@ -145,6 +155,12 @@ def load_and_decrypt_from_ncm(file_path, target_dir, out_format) -> dict | str:
             audio['album'] = meta_data['album']
             audio['artist'] = '/'.join([artist[0] for artist in meta_data['artist']])
             audio.save()
+        if return_output_path:
+            return meta_data, output_path
+        else:
             return meta_data
+    else:
+        if return_output_path:
+            return "no_meta_data", output_path
         else:
             return "no_meta_data"

modules/utils/wrappers.py

@@ -0,0 +1,28 @@
+"""一些有的没有的装饰器"""
+
+
+def escape_file_not_found(func):
+    def wrapper(*args, **kwargs):
+        try:
+            return func(*args, **kwargs)
+        except FileNotFoundError:
+            return "file_not_found"
+    return wrapper
+
+
+def escape_decrypt_unsatisfied_file(func):
+    def wrapper(*args, **kwargs):
+        try:
+            return func(*args, **kwargs)
+        except (AssertionError, IsADirectoryError):
+            return "file_not_satisfied"
+    return wrapper
+
+
+def escape_permission_error(func):
+    def wrapper(*args, **kwargs):
+        try:
+            return func(*args, **kwargs)
+        except PermissionError:
+            return "perm_error"
+    return wrapper