info.py

from discord.ext import commands
import discord
import inspect
import re
import io
import contextlib
import traceback
from paginator import *
import utils
from simplepaginator import SimplePaginator


class Info(commands.Cog):
    def __init__(self, bot):
        self.bot = bot

    @commands.command(name='help')
    async def _help(self, ctx, *, command: str = None):
        """Shows help about a command or the bot"""
        try:
            if command is None:
                p = await HelpPaginator.from_bot(ctx)
            else:
                entity = self.bot.get_cog(command) or self.bot.get_command(command)

                if entity is None:
                    clean = command.replace('@', '@\u200b')
                    return await ctx.send(f'Command or category "{clean}" not found.')
                elif isinstance(entity, commands.Command):
                    p = await HelpPaginator.from_command(ctx, entity)
                else:
                    p = await HelpPaginator.from_cog(ctx, entity)

            await p.paginate()
        except Exception as e:
            await ctx.send("```" + "\n".join(traceback.format_exception(None, e, e.__traceback__)) + "```")

def setup(bot):
    bot.add_cog(Info(bot))