Fix kang.py: ensure valid Telegram sticker pack short names

DragMusic/plugins/management/kang.py

@@ -1,4 +1,3 @@
- 
 import imghdr
 import os
 from asyncio import gather
@@ -33,9 +32,7 @@ from DragMusic.utils.stickerset import (
 
 # -----------
 
-MAX_STICKERS = (
-    120  # would be better if we could fetch this limit directly from telegram
-)
+MAX_STICKERS = 120
 SUPPORTED_TYPES = ["jpeg", "png", "webp"]
 # ------------------------------------------
 @app.on_message(filters.command("get_sticker"))
@@ -131,15 +128,14 @@ async def kang(client, message: Message):
         e = format_exc()
         return print(e)
 #-------
+    bot_username = BOT_USERNAME.lstrip("@")
     packnum = 0
-    packname = "f" + str(message.from_user.id) + "_by_" + BOT_USERNAME
+    packname = f"f{message.from_user.id}_by_{bot_username}"
     limit = 0
     try:
         while True:
-            # Prevent infinite rules
             if limit >= 50:
                 return await msg.delete()
-
             stickerset = await get_sticker_set_by_name(client, packname)
             if not stickerset:
                 stickerset = await create_sticker_set(
@@ -151,14 +147,7 @@ async def kang(client, message: Message):
                 )
             elif stickerset.set.count >= MAX_STICKERS:
                 packnum += 1
-                packname = (
-                    "f"
-                    + str(packnum)
-                    + "_"
-                    + str(message.from_user.id)
-                    + "_by_"
-                    + BOT_USERNAME
-                )
+                packname = f"f{packnum}_{message.from_user.id}_by_{bot_username}"
                 limit += 1
                 continue
             else:
@@ -168,15 +157,12 @@ async def kang(client, message: Message):
                     return await msg.edit("[ERROR]: INVALID_EMOJI_IN_ARGUMENT")
             limit += 1
             break
-
         await msg.edit(
-            "Sticker Kanged To [Pack](t.me/addstickers/{})\nEmoji: {}".format(
-                packname, sticker_emoji
-            )
+            f"Sticker Kanged To [Pack](t.me/addstickers/{packname})\nEmoji: {sticker_emoji}"
         )
     except (PeerIdInvalid, UserIsBlocked):
         keyboard = InlineKeyboardMarkup(
-            [[InlineKeyboardButton(text="Start", url=f"t.me/{BOT_USERNAME}")]]
+            [[InlineKeyboardButton(text="Start", url=f"t.me/{bot_username}")]]
         )
         await msg.edit(
             "You Need To Start A Private Chat With Me.",