Module manager

@bot_modules.bot_command("modules", "Allows the server admins to toggle modules like dice or poll", ["list", "<activate|deactivate> <module name>"], admin=True)
async def modules_command(ctx: bot_modules.CommandContext):
    try:
        commands = []
        for i in bot_modules.commands.values():
            commands.append(i.cmd)
        commands.remove("eval")
        commands.remove("modules")
        if ctx.args[1] == "activate":
            if len(ctx.args) < 3:
                await ctx.fail(title="Error", description="You need to specify wich module to activate!\nFor a list of modules, use **{}modules list**!".format(ctx.prefix))
            else:
                settings = config.load_settings(ctx.discord.message.guild.id)
                if ctx.args[2] in commands:
                    if ctx.args[2] in settings["disabled_plugins"]:
                        settings["disabled_plugins"].remove(ctx.args[2])
                        config.change_settings(ctx.discord.message.guild.id, settings)
                        await ctx.succeed(title="Activated", description="The module **{}** has been activated!".format(ctx.args[2]))
                    else:
                        await ctx.fail(title="Error", description="**{}** is already active".format(ctx.args[2]))
                else:
                    await ctx.fail(title="Error", description="**{}** is not a module or is not changeable, like modules itself or eval".format(ctx.args[2]))
        elif ctx.args[1] == "deactivate":
            if len(ctx.args) < 3:
                await ctx.fail(title="Error", description="You need to specify wich module to deactivate!\nFor a list of modules, use **{}modules list**!".format(ctx.prefix))
            else:
                settings = config.load_settings(ctx.discord.message.guild.id)
                if ctx.args[2] in commands:
                    if ctx.args[2] in settings["disabled_plugins"]:
                        await ctx.fail(title="Error", description="**{}** is already deactivated".format(ctx.args[2]))
                    else:
                        settings["disabled_plugins"].append(ctx.args[2])
                        config.change_settings(ctx.discord.message.guild.id, settings)
                        await ctx.succeed(title="Activated", description="The module **{}** has been deactivated!".format(ctx.args[2]))
                else:
                    await ctx.fail(title="Error", description="**{}** is not a module or is not changeable, like modules itself or eval".format(ctx.args[2]))
        elif ctx.args[1] == "list":
            settings = config.load_settings(ctx.discord.message.guild.id)
            _list = ""
            for i in commands:
                if i in settings["disabled_plugins"]:
                    _list += ":x: " + i + "\n"
                else:
                    _list += ":white_check_mark: " + i + "\n"
            await ctx.succeed(title="List of all commands:", description=_list)
        else:
            await ctx.fail(title="Error", description="**{}** is not an available option, use **{}help modules** to see how to use.".format(ctx.args[1], ctx.prefix))
    except IndexError:
        await ctx.fail(title="Error", description="You need to specify what to do,\nuse **{}help modules** to see how to use.".format(ctx.prefix))