refact(help): better call to default help command

fcts/help_cmd.py

@@ -60,10 +60,7 @@ async def help_cmd(self, ctx: MyContext, *args: str):
             pass
         except Exception as err:
             self.bot.dispatch("error", err, ctx)
-            if len(args) == 0:
-                await self._default_help_command(ctx)
-            else:
-                await self._default_help_command(ctx, args)
+            await ctx.send_super_help(" ".join(args) if args else None)
 
     async def help_command(self, ctx: MyContext, command_arg: list[str]):
         """Main command for the creation of the help message
@@ -108,46 +105,6 @@ async def _detect_category_from_args(self, ctx: MyContext, args: list[str]) -> O
                 return category_id
         return None
 
-    async def _default_help_command(self, ctx: MyContext, command: str = None):
-        default_help = commands.DefaultHelpCommand()
-        default_help.context = ctx
-        default_help._command_impl = self.help_cmd
-        # General help
-        if command is None:
-            mapping = default_help.get_bot_mapping()
-            return await default_help.send_bot_help(mapping)
-        # Check if it's a cog
-        cog = self.bot.get_cog(" ".join(command))
-        if cog is not None:
-            return await default_help.send_cog_help(cog)
-        # If it's not a cog then it's a command.
-        # Since we want to have detailed errors when someone
-        # passes an invalid subcommand, we need to walk through
-        # the command group chain ourselves.
-        maybe_coro = discord.utils.maybe_coroutine
-        keys = command
-        cmd = self.bot.all_commands.get(keys[0])
-        if cmd is None:
-            string = await maybe_coro(default_help.command_not_found, default_help.remove_mentions(keys[0]))
-            return await default_help.send_error_message(string)
-
-        for key in keys[1:]:
-            try:
-                found = cmd.all_commands.get(key)
-            except AttributeError:
-                string = await maybe_coro(default_help.subcommand_not_found, cmd, default_help.remove_mentions(key))
-                return await default_help.send_error_message(string)
-            else:
-                if found is None:
-                    string = await maybe_coro(default_help.subcommand_not_found, cmd, default_help.remove_mentions(key))
-                    return await default_help.send_error_message(string)
-                cmd = found
-
-        if isinstance(cmd, commands.Group):
-            return await default_help.send_group_help(cmd)
-        else:
-            return await default_help.send_command_help(cmd)
-
 
 async def setup(bot):
     await bot.add_cog(Help(bot))

libs/bot_classes.py

@@ -4,7 +4,7 @@
 import time
 from io import BytesIO
 from json import dumps
-from typing import (TYPE_CHECKING, Awaitable, Callable, Literal, Optional,
+from typing import (TYPE_CHECKING, Any, Awaitable, Callable, Literal, Optional,
                     Union, overload)
 
 import aiohttp
@@ -88,11 +88,25 @@ async def send(self, *args, json: Union[dict, list, None]=None, **kwargs) -> Opt
                 kwargs["file"] = file
         return await super().send(*args, **kwargs)
 
-    async def send_help(self, command: Union[str, commands.Command]):
+    async def send_help(self, *args: Any):
         """Send the help message of the given command"""
-        cmd_arg = command.split(' ') if isinstance(command, str) else command.qualified_name.split(' ')
+        # command: Union[str, commands.Command]
+        if len(args) == 1 and isinstance(args[0], commands.Command):
+            cmd_arg = args[0].qualified_name.split(' ')
+        elif len(args) == 1 and isinstance(args[0], str):
+            cmd_arg = args[0].split(' ')
+        elif all(isinstance(arg, str) for arg in args):
+            cmd_arg = args
+        else:
+            raise ValueError(args)
         await self.bot.get_command("help")(self, *cmd_arg)
 
+    async def send_super_help(self, entity: Union[str, commands.Command, commands.Cog, None]=None):
+        "Use the default help command"
+        if entity:
+            return await super().send_help(entity)
+        return await super().send_help()
+
 # pylint: disable=too-many-instance-attributes
 class Axobot(commands.bot.AutoShardedBot):
     """Bot class, with everything needed to run it"""