tuxbot-bot/tuxbot/core/utils/functions/extra.py

import asyncio

import discord
from discord.ext import commands, flags


class ContextPlus(commands.Context):
    async def send(self, content=None, *args, **kwargs):
        if (hasattr(self.command, 'deletable')
            and self.command.deletable) \
                and kwargs.pop('deletable', True):
            message = await super().send(content, *args, **kwargs)
            await message.add_reaction('🗑')

            def check(reaction: discord.Reaction, user: discord.User):
                return user == self.author \
                       and str(reaction.emoji) == '🗑' \
                       and reaction.message.id == message.id

            try:
                await self.bot.wait_for(
                    'reaction_add',
                    timeout=60.0,
                    check=check
                )
            except asyncio.TimeoutError:
                await message.remove_reaction('🗑', self.bot.user)
            else:
                await message.delete()
            return message
        else:
            return await super().send(content, *args, **kwargs)


class CommandPLus(flags.FlagCommand):
    def __init__(self, function, **kwargs):
        super().__init__(function, **kwargs)
        self.deletable = kwargs.pop("deletable", True)


def command_extra(*args, **kwargs):
    return commands.command(*args, **kwargs, cls=CommandPLus)


class GroupPlus(flags.FlagGroup):
    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
        self.deletable = kwargs.pop("deletable", True)


def group_extra(*args, **kwargs):
    return commands.group(*args, **kwargs, cls=GroupPlus)