Add method to restore cmds to default

plugins/update.py

@@ -1,13 +1,14 @@
 import asyncio
+import shutil
 import sys
 
 from core import command
 from loguru import logger
 from pyrogram import Client
 from pyrogram.types import Message
-from tools.constants import (SYCGRAM, SYCGRAM_ERROR, SYCGRAM_INFO,
-                             SYCGRAM_WARNING, UPDATE_CMD)
-from tools.helpers import Parameters, basher, show_cmd_tip
+from tools.constants import (COMMAND_YML, EXAMPLE_YML, SYCGRAM, SYCGRAM_ERROR,
+                             SYCGRAM_INFO, SYCGRAM_WARNING, UPDATE_CMD)
+from tools.helpers import Parameters, basher, show_cmd_tip, show_exception
 from tools.updates import (get_alias_of_cmds, pull_and_update_command_yml,
                            reset_cmd_alias, update_cmd_alias,
                            update_cmd_prefix)
@@ -44,7 +45,18 @@ async def prefix(_: Client, msg: Message):
     """更改所有指令的前缀"""
     _, pfx = Parameters.get(msg)
     punctuation = list("""!#$%&*+,-./:;=?@^~！？。，；·\\""")
-    if len(pfx) == 0 or len(pfx) > 1 or pfx not in punctuation:
+    if pfx == "reset":
+        try:
+            _ = shutil.copy(EXAMPLE_YML, COMMAND_YML)
+        except shutil.SameFileError:
+            return await msg.edit_text("😂 No need to reset")
+        except Exception as e:
+            return await show_exception(msg, e)
+        else:
+            await msg.edit_text("✅ Reset command.yml")
+            sys.exit()
+
+    elif len(pfx) == 0 or len(pfx) > 1 or pfx not in punctuation:
         text = f"**{SYCGRAM_WARNING}**\n> # `Prefix must be one of {' '.join(punctuation)}`"
         await msg.edit_text(text, parse_mode='md')
         return