COLORFUL UPDATE

Make output more and more and more colorful!

Change file structure and README.md

main.py

@@ -3,15 +3,18 @@
 # -*- coding: utf-8 -*-
 # author: David-123
 
+from sys import exit
+
+from colorama import init
 
 from modules.utils.inputs import rinput
 from modules.utils.information import print_info
-from modules.functions.multi_download import mdl
+from modules.functions.mainly.multi_download import mdl
-from modules.functions.one_download import download_one_lyric
+from modules.functions.mainly.one_download import download_one_lyric
 from modules.submenus.settings import settings_menu
-from modules.functions.save_load_settings import load_settings
+from modules.functions.settings.save_load_settings import load_settings
-from modules.utils.clear_screen import clear
+from modules.utils.clear_screen import cls_stay
-from modules.functions.load_file_song import get_lyric_from_folder
+from modules.functions.mainly.load_file_song import get_lyric_from_folder
 
 
 class MainProcess(object):
@@ -22,10 +25,8 @@ class MainProcess(object):
     def mainloop(self):
         """程序主循环"""
         while True:
-            clear()
+            cls_stay(self, "[程序主菜单]")
-            print(f"[NeteaseMusicLyricDownloader] {self.version}\n"
+            print("[0] 退出程序\n[1] 单个歌曲的歌词下载\n[2] 多个歌曲的歌词下载\n[3] 从网易云下载的歌曲中获取歌词"
-                  "[程序主菜单]\n"
-                  "[0] 退出程序\n[1] 单个歌曲的歌词下载\n[2] 多个歌曲的歌词下载\n[3] 从网易云下载的歌曲中获取歌词"
                   "\n[s] 进入设置\n[i] 程序信息")
             r = rinput("请选择:")
 
@@ -46,6 +47,7 @@ class MainProcess(object):
 
 
 if __name__ == "__main__":
+    init(autoreset=True)
     app = MainProcess()
     try:
         app.mainloop()

modules/functions/mainly/get_song.py

@@ -1,48 +1,55 @@
 """集合 下载歌词 以及 获取歌曲信息 的功能"""
 import os
-from json import loads
 from requests import post
 from requests.exceptions import ConnectionError
 from time import sleep
+from colorama import Fore, Style
+
+from modules.utils.bar import CompactBar, bprint
 
 
-def wait_retry():
+def wait_retry(kind, identify, bar=None):
-    print("api提示操作频繁，等待恢复...")
+    bprint("api提示操作频繁，等待恢复...", bar)
+    if kind == "information":
+        url = f"https://music.163.com/api/song/detail/?&ids=[{identify}]"
+    elif kind == "lyric":
+        url = f"https://music.163.com/api/song/media?id={identify}"
+    else:
+        return "unknown_kind"
     while True:
         try:
-            tmp = post(f"http://music.163.com/api/song/detail/?&ids=[1]")
+            tmp = post(url).json()
         except ConnectionError:
             return "dl_err_connection"
         else:
-            if loads(tmp.text)["code"] == 200:
+            if tmp["code"] == 200:
-                return "continue"
+                return tmp
         sleep(1)
 
 
-def get_song_info_raw(types: list, id: str):
+def get_song_info_raw(types: list, identify: str, bar: CompactBar = None):
     """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
+    ``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"""
+    ``identify`` 提供一个歌曲id(str),将会把歌曲的`types`信息返回"""
-    print("id:%s" % id)
+    bprint(Fore.CYAN + "ID:%s" % identify, bar)
 
     try:
-        response = post(f"http://music.163.com/api/song/detail/?&ids=[{id}]")
+        info = post(f"https://music.163.com/api/song/detail/?&ids=[{identify}]").json()
     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()
+            result = wait_retry("information", identify, bar=bar)
-            if result == "continue":
+            if type(result) == dict:
-                pass
+                info = result
             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...")
+            bprint(Fore.LIGHTBLACK_EX + "\t-> 这首歌没有找到，跳过...", bar)
             return "song_nf"
         else:
             need = {}
@@ -51,17 +58,19 @@ def get_song_info_raw(types: list, id: str):
             return need
 
 
-def get_song_lyric(id: str | int | dict, path: str, allinfo: bool = False):
+def get_song_lyric(identify: str | int | dict, path: str, allinfo: bool = False, bar: CompactBar = None):
     """获取歌词
     
-    ``id`` 提供一个歌曲id
+    ``identify`` 提供一个歌曲id
     ``path`` 提供歌曲下载的路径
-    ``allinfo`` 若此项为 True ,则提供的id格式必须为 {"id": int | str, "name": str, "artists": [[str, ...], ...]} (dict)"""
+    ``allinfo`` 若此项为 True ,则提供的identify格式必须为存储在网易云下载文件中meta_data的格式
+    ``bar`` 若获取歌词时下方有进度条, 则应当传入此参数"""
     if allinfo:
-        sinfo = id
+        sinfo = identify
-        id = id["id"]
+        identify = identify["id"]
+        bprint(Fore.CYAN + f"ID: {identify}", bar)
     else:
-        sinfo = get_song_info_raw(["name", "artists"], id)
+        sinfo = get_song_info_raw(["name", "artists"], identify, bar)
         if sinfo == "dl_err_connection":  # 处理各式各样的事件
             return "dl_err_connection"
         elif sinfo == "song_nf":
@@ -79,7 +88,7 @@ def get_song_lyric(id: str | int | dict, path: str, allinfo: bool = False):
 
     name = sinfo["name"]
     if not name:
-        print("歌曲错误!这是网易云的问题,请不要找作者")
+        bprint(Fore.RED + "歌曲错误!这是网易云的问题,请不要找作者", bar)
         return "song_err"
     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)
         "|": "｜",
@@ -96,30 +105,28 @@ def get_song_lyric(id: str | int | dict, path: str, allinfo: bool = False):
         name = name.replace(k, v)
         artists = artists.replace(k, v)
 
-    print(f"歌曲:{name} - {artists}")
+    bprint(Fore.YELLOW + "\t-> 歌曲:" + Style.RESET_ALL + f"{name} - {artists}", bar)
     filename = f"{name} - {artists}.lrc"
 
     try:
-        response = post(f"http://music.163.com/api/song/media?id={id}")
+        info = post(f"https://music.163.com/api/song/media?id={identify}").json()
     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()
+            result = wait_retry("lyric", identify, bar=bar)
-            if result == "continue":
+            if type(result) == dict:
-                pass
+                info = result
             elif result == "dl_err_connection":
                 return "dl_err_connection"
             else:
                 raise Exception("Unknown exception...")
 
-    tmp = loads(response.text)
+    if info.get("nolyric") or not info.get('lyric'):
-    if tmp.get("nolyric") or not tmp.get('lyric'):
+        bprint(Fore.LIGHTBLACK_EX + "\t--> 这首歌没有歌词，跳过...\n", bar)
-        print("这首歌没有歌词，跳过...")
         return
     else:
         with open(os.path.join(path, filename), "w", encoding="utf-8") as f:
-            f.write(tmp["lyric"])
+            f.write(info["lyric"])
-        print(f"歌词下载完成!被保存在{os.path.join(path, filename)}")
+        bprint(Fore.GREEN + "\t--> 歌词下载完成!被保存在" + Style.RESET_ALL + f"{os.path.join(path, filename)}\n", bar)
         return

modules/functions/mainly/load_file_song.py

@@ -9,13 +9,15 @@ from time import sleep
 
 import mutagen.mp3
 from Cryptodome.Cipher import AES
+from Cryptodome.Util.Padding import unpad
 from mutagen import File, flac
 from mutagen.id3 import ID3, TPE1, APIC, COMM, TIT2, TALB
+from colorama import Fore, Style
 
-from modules.utils.clear_screen import clear
+from modules.utils.clear_screen import cls_stay
-from modules.functions.get_song import get_song_lyric
+from modules.functions.mainly.get_song import get_song_lyric
 from modules.utils.inputs import cinput, rinput
-from modules.utils.bar import CompactBar
+from modules.utils.bar import CompactBar, CompactArrowBar
 
 
 def load_information_from_song(path) -> str | dict:
@@ -43,20 +45,12 @@ def load_information_from_song(path) -> str | dict:
     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")))
+        r = unpad(cryptor.decrypt(b64decode(bytes(ciphertext, "utf-8"))), 16).decode("utf-8")
     except ValueError:
         return "decrypt_failed"
 
@@ -72,9 +66,6 @@ def load_information_from_song(path) -> str | dict:
 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'
@@ -87,7 +78,7 @@ def load_and_decrypt_from_ncm(file_path, target_dir) -> dict:  # nondanee的源
         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_data = unpad(cryptor.decrypt(key_data), 16)[17:]
     key_length = len(key_data)
     key_data = bytearray(key_data)
     key_box = bytearray(range(256))
@@ -112,7 +103,7 @@ def load_and_decrypt_from_ncm(file_path, target_dir) -> dict:  # nondanee的源
     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 = unpad(cryptor.decrypt(meta_data), 16).decode('utf-8')[6:]
     meta_data = json.loads(meta_data)
     crc32 = f.read(4)
     crc32 = struct.unpack('<I', bytes(crc32))[0]
@@ -171,11 +162,8 @@ def process_work(path, filename, target, q_err: Queue, q_info: Queue):
 
 
 def get_lyric_from_folder(self):
-    clear()
+    cls_stay(self, "[自动获取 - 加载文件]")
-    path = cinput(
+    path = cinput("请输入歌曲的保存文件夹(绝对路径):")
-        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
@@ -239,8 +227,8 @@ def get_lyric_from_folder(self):
             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 CompactBar(f"正在破解 %(index){len(str(len(ncm_files)))}d/%(max)d",
+            with CompactArrowBar(f"正在解锁 %(index){len(str(len(ncm_files)))}d/%(max)d",
-                            suffix="", max=len(ncm_files), color="blue", width=9999) as bar:
+                                 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
@@ -252,7 +240,7 @@ def get_lyric_from_folder(self):
                                       target_path,
                                       q_err,
                                       q_info)).start()
-                        bar.print_onto_bar("已分配: %s" % ncm_files[allocated])
+                        bar.print_onto_bar(Fore.CYAN + "已分配: " + Style.RESET_ALL + "%s" % ncm_files[allocated])
                         allocated += 1
                         current_process += 1
                     while True:  # 错误队列检测
@@ -270,16 +258,17 @@ def get_lyric_from_folder(self):
                             musics.append({"id": r['musicId'], "name": r["musicName"], "artists": r["artist"]})
                             passed += 1
                             current_process -= 1
-                            bar.print_onto_bar(f"\"{r['musicName']} - "
+                            bar.print_onto_bar(Fore.YELLOW +
+                                               f"\"{r['musicName']} - "
                                                f"{''.join([x + ', ' for x in [x[0] for x in r['artist']]])[:-2]}"
-                                               "\" 已完成!")
+                                               "\"" + Fore.GREEN + " 已完成!")
                             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:")
+                print(Fore.LIGHTRED_EX+"解锁过程中发现了以下错误:")
                 for i in errors:
                     print(i)
 
@@ -304,18 +293,20 @@ def get_lyric_from_folder(self):
         else:
             try:
                 input("无效选择, 若取消请按 ^C ,继续请按回车")
-                clear()
             except KeyboardInterrupt:
                 return
 
-    clear()
+    cls_stay(self, "[自动获取 - 下载歌词]")
+    with CompactArrowBar(f"进度: %(index){len(str(len(musics)))}d/%(max)d",
+                         suffix="", max=len(musics), color="yellow", width=9999) as bar:
         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, bar=bar) == "dl_err_connection":
-        if get_song_lyric(musics[i], lyric_path, allinfo=True) == "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("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()
+            bar.next()
     if ncm_files:
         if target_path != "NOT_DECRYPT":
-            agree = rinput("是否删除原ncm文件? (y/n)")
+            agree = rinput(Fore.RED + "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="")

modules/functions/mainly/multi_download.py

@@ -0,0 +1,42 @@
+import re
+from colorama import Fore
+
+from modules.utils.clear_screen import cls_stay
+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
+
+    ``path: str`` 传入歌词文件保存的路径"""
+    cls_stay(self, "[手动-多个下载]")
+    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:
+                tmp = re.search(r"song\?id=[0-9]*", r)
+                if tmp:
+                    r = tmp.group()[8:]
+                else:
+                    print("不合法的形式.\n")
+                    continue
+            ids.append(int(r))
+            print("\t#%d id:%s - 已添加!" % (len(ids), r))
+    cls_stay(self, "[手动-多个下载]")
+    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, 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()
+            bar.next()
+    input("按回车键返回...")

modules/functions/mainly/one_download.py

@@ -1,6 +1,6 @@
 import re
 from modules.utils.inputs import rinput
-from modules.functions.get_song import get_song_lyric
+from modules.functions.mainly.get_song import get_song_lyric
 from modules.utils.clear_screen import clear
 
 
@@ -23,6 +23,6 @@ def download_one_lyric(self):
             input("不合法的形式.\n按回车键返回...")
             return
 
-    if get_song_lyric(song_id, self.settings.lyric_path) == "dl_err_connection":
+    if get_song_lyric(int(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/functions/multi_download.py

@@ -1,38 +0,0 @@
-import re
-from modules.utils.clear_screen import clear
-from modules.utils.inputs import rinput
-from modules.functions.get_song import get_song_lyric
-
-
-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(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':
-            break
-        else:
-            try:
-                int(r)
-            except ValueError:
-                tmp = re.search(r"song\?id=[0-9]*", r)
-                if tmp:
-                    r = tmp.group()[8:]
-                else:
-                    print("不合法的形式.\n")
-                    continue
-            ids.append(r)
-            print("\t#%d id:%s - 已添加!" % (len(ids), r))
-    clear()
-    for i in range(0, len(ids)):
-        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/settings/save_load_settings.py

@@ -5,8 +5,9 @@ import os
 
 
 class Settings(object):  # 设定一个基础的存储设置信息的 class ,并设置形参用于 json 导入设置
-    def __init__(self, l_p="./out/", lang="en"):
+    def __init__(self, l_p="./out/", l_f="", lang="en"):
         self.lyric_path = l_p
+        self.lyric_format = l_f
         self.language = lang
 
 
@@ -24,7 +25,7 @@ def dict2class(adict):  # 让 json.load 将读取到的 dict 转化为我们所
         return Settings(adict["lyric_path"], adict["language"])
 
 
-def load_settings():  # 加载 的函数
+def load_settings() -> Settings:  # 加载 的函数
     """加载设置
     调用即可，无需参数
     返回: 设置 class"""

modules/submenus/settings.py

@@ -1,18 +1,16 @@
 """集合设置参数"""
 
 import os
-from modules.utils.clear_screen import clear
+from modules.utils.clear_screen import cls_stay
 from modules.utils.inputs import rinput, cinput
-from modules.functions.save_load_settings import save_settings
+from modules.functions.settings.save_load_settings import save_settings
 
 
 def settings_menu(self):
     """设置菜单主循环"""
     while True:
-        clear()
+        cls_stay(self, "[设置菜单]")
-        print(f"[NeteaseMusicLyricDownloader] {self.version}\n"
+        print("[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"
-              "[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":
@@ -33,10 +31,8 @@ def settings_menu(self):
 
 def __remove_output_files(self):
     while True:
-        clear()
+        cls_stay(self, "[设置菜单 - 删除文件]")
-        print(f"[NeteaseMusicLyricDownloader] {self.version}\n"
+        print("[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")
-              "[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
@@ -74,7 +70,7 @@ def __remove_output_files(self):
 
 
 def __set_lyric_path(self):
-    clear()
+    cls_stay(self, "[设置菜单 - 保存路径]")
     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()
@@ -93,6 +89,7 @@ def __set_lyric_path(self):
         if not os.path.exists(path):
             os.mkdir(path)
     self.settings.lyric_path = r
+    save_settings(self.settings)
     input("设置成功!\n按回车继续...")
     return
 
@@ -100,6 +97,3 @@ def __set_lyric_path(self):
 def __set_lyric_format(self):
     pass
 
-
-def __save_settings(self):
-    return save_settings(self.settings)

modules/utils/bar.py

@@ -67,3 +67,57 @@ class CompactBar(Bar):
                 line = ''.join([message, suffix])[:display_length]+"..."
                 shorten = len_abs(line)
         self.writeln(line, shorten=shorten)
+
+
+class CompactArrowBar(CompactBar):
+    def update(self):
+        """
+                覆写原有的update方法，自适应终端宽度
+                支持中文
+                """
+        filled_length = int(self.width * self.progress)
+        empty_length = self.width - filled_length
+
+        message = self.message % self
+        s = "=" * filled_length
+        if s:
+            s = s[:-1] + ">"
+        bar = color(s, fg=self.color)
+        empty = self.empty_fill * empty_length
+        suffix = self.suffix % self
+        line = ''.join([message, self.bar_prefix, bar, empty, self.bar_suffix,
+                        suffix])
+        # 以上为原本update代码
+        term_size = get_terminal_size().columns
+        shorten = False
+        if len_abs(line) > term_size:  # 检测完整长度是否小于终端长度
+            if len_abs(line) - len_abs(''.join([bar, empty])) <= term_size:  # 检测无进度条时是否小于终端长度
+                width = term_size - (len_abs(line) - len_abs("".join([bar, empty]))) - 1
+                filled_length = int(width * self.progress)
+                empty_length = width - filled_length
+                s = "=" * filled_length
+                if s:
+                    s = s[:-1] + ">"
+                bar = color(s, fg=self.color)
+                empty = self.empty_fill * empty_length
+                line = ''.join([message, self.bar_prefix, bar, empty, self.bar_suffix,
+                                suffix])
+                shorten = len_abs(line)
+            elif len_abs(''.join([message, suffix])) <= term_size:  # 检测仅有前缀后缀时是否小于终端长度
+                line = ''.join([message, suffix])
+                shorten = len_abs(line)
+            else:  # 全部不符合时，以仅有前缀后缀的模式，直接截断
+                display_length = term_size - get_more_length(''.join([message, suffix])[:term_size]) - 3
+                if display_length < 0:
+                    display_length = 0
+                line = ''.join([message, suffix])[:display_length] + "..."
+                shorten = len_abs(line)
+        self.writeln(line, shorten=shorten)
+
+
+def bprint(content, bar: CompactBar = None):
+    """添加对进度条的支持的print, 若传入bar参数, 则使用print_onto_bar参数来打印内容"""
+    if bar:
+        bar.print_onto_bar(content)
+    else:
+        print(content)

modules/utils/clear_screen.py

@@ -1,4 +1,4 @@
-"""包含一个函数，用来清空命令行的信息，自动判别系统"""
+"""用来清空命令行的信息，自动判别系统"""
 import os
 
 
@@ -10,3 +10,10 @@ def clear():
         os.system("clear")
     else:
         os.system("clear")
+
+
+def cls_stay(self, custom=""):
+    """保留版本号清除屏幕"""
+    clear()
+    print(f"[NeteaseMusicLyricDownloader] {self.version}")
+    print(custom)

requirements.txt

@@ -2,3 +2,4 @@ requests
 mutagen
 pycryptodomex
 progress
+colorama