Python discord.ext.commands.NotOwner() Examples

def on_command_error(self, ctx, exception):
        exc_class = exception.__class__
        if exc_class in (commands.CommandNotFound, commands.NotOwner):
            return

        exc_table = {
            commands.MissingRequiredArgument: f"{WARNING} The required arguments are missing for this command!",
            commands.NoPrivateMessage: f"{WARNING} This command cannot be used in PM's!",
            commands.BadArgument: f"{WARNING} A bad argument was passed, please check if your arguments are correct!",
            IllegalAction: f"{WARNING} A node error has occurred: `{getattr(exception, 'msg', None)}`",
            CustomCheckFailure: getattr(exception, "msg", None) or "None"
        }

        if exc_class in exc_table.keys():
            await ctx.send(exc_table[exc_class])
        else:
            await super().on_command_error(ctx, exception) 

def on_command_error(self, ctx, error):
        """Command error handler"""
        manager = MessageManager(ctx)

        if isinstance(error, commands.CommandNotFound):
            pass

        elif isinstance(error, commands.MissingRequiredArgument):
            pass

        elif isinstance(error, commands.NotOwner):
            pass

        elif isinstance(error, commands.NoPrivateMessage):
            await manager.send_message("You can't use that command in a private message")

        elif isinstance(error, commands.CheckFailure):
            await manager.send_message("You don't have the required permissions to do that")

        elif isinstance(error, commands.CommandOnCooldown):
            await manager.send_message(error)

        # Non Discord.py errors
        elif isinstance(error, commands.CommandInvokeError):
            if isinstance(error.original, discord.errors.Forbidden):
                pass
            elif isinstance(error.original, asyncio.TimeoutError):
                await manager.send_private_message("I'm not sure where you went. We can try this again later.")
            else:
                raise error

        else:
            raise error

        await manager.clean_messages() 

def is_owner():
    def predicate(ctx):
        if ctx.author.id not in ctx.bot.config.owners:
            raise commands.NotOwner()
        else:
            return True

    return commands.check(predicate) 

def is_admin():
    def predicate(ctx):
        if ctx.author.id not in ctx.bot.config.admins and ctx.author.id not in ctx.bot.config.owners:
            raise commands.NotOwner()
        else:
            return True

    return commands.check(predicate) 

def on_command_error(self, context, error):
		if isinstance(error, commands.NoPrivateMessage):
			await context.author.send(_('This command cannot be used in private messages.'))
		elif isinstance(error, commands.DisabledCommand):
			message = _('Sorry. This command is disabled and cannot be used.')
			try:
				await context.author.send(message)
			except discord.Forbidden:
				await context.send(message)
		elif isinstance(error, commands.NotOwner):
			logger.error('%s tried to run %s but is not the owner', context.author, context.command.name)
			with contextlib.suppress(discord.HTTPException):
				await context.try_add_reaction(utils.SUCCESS_EMOJIS[False])
		elif isinstance(error, (commands.UserInputError, commands.CheckFailure)):
			await context.send(error)
		elif (
			isinstance(error, commands.CommandInvokeError)
			# abort if it's overridden
			and
				getattr(
					type(context.cog),
					'cog_command_error',
					# treat ones with no cog (e.g. eval'd ones) as being in a cog that did not override
					commands.Cog.cog_command_error)
				is commands.Cog.cog_command_error
		):
			if not isinstance(error.original, discord.HTTPException):
				logger.error('"%s" caused an exception', context.message.content)
				logger.error(''.join(traceback.format_tb(error.original.__traceback__)))
				# pylint: disable=logging-format-interpolation
				logger.error('{0.__class__.__name__}: {0}'.format(error.original))

				await context.send(_('An internal error occurred while trying to run that command.'))
			elif isinstance(error.original, discord.Forbidden):
				await context.send(_("I'm missing permissions to perform that action."))

	### Utility functions 

def cog_check(self, ctx: commands.Context):  # pylint: disable=invalid-overridden-method
        """
        Local check, makes all commands in this cog owner-only
        """

        if not await ctx.bot.is_owner(ctx.author):
            raise commands.NotOwner("You must own this bot to use Jishaku.")
        return True

    # pylint: disable=no-member
    # Meta commands 

def test_cog_check(bot):
    cog = bot.get_cog("Jishaku")

    with utils.mock_ctx() as ctx:
        with utils.mock_coro(ctx.bot, 'is_owner'):
            ctx.bot.is_owner.coro.return_value = True

            assert await cog.cog_check(ctx)

            ctx.bot.is_owner.coro.return_value = False

            with pytest.raises(commands.NotOwner):
                await cog.cog_check(ctx) 

def on_command_error(self, ctx, exc):
        if not isinstance(exc, (commands.CommandNotFound, commands.NotOwner)):
            self.log.critical(''.join(traceback.format_exception(type(exc), exc, exc.__traceback__)))
            # await ctx.send("check logs") 

def cog_check(self, ctx):  # All of this cog is only available to devs
        if ctx.author.id not in ctx.bot.config['developers']:
            raise NotOwner('you are not a developer!')
        return True 

def cog_check(self, ctx):  # All of this cog is only available to devs
        if ctx.author.id not in ctx.bot.config['developers']:
            raise NotOwner('you are not a developer!')
        return True 

def dev_check():
    """Function decorator to check that the calling user is a developer"""
    async def predicate(ctx):
        if ctx.author.id not in ctx.bot.config['developers']:
            raise commands.NotOwner('you are not a developer!')
        return True
    return commands.check(predicate) 

def on_command_error(self, context, exception):
        if isinstance(exception, commands.NoPrivateMessage):
            await context.send('{}, This command cannot be used in DMs.'.format(context.author.mention))
        elif isinstance(exception, commands.UserInputError):
            await context.send('{}, {}'.format(context.author.mention, self.format_error(context, exception)))
        elif isinstance(exception, commands.NotOwner):
            await context.send('{}, {}'.format(context.author.mention, exception.args[0]))
        elif isinstance(exception, commands.MissingPermissions):
            permission_names = [name.replace('guild', 'server').replace('_', ' ').title() for name in exception.missing_perms]
            await context.send('{}, you need {} permissions to run this command!'.format(
                context.author.mention, utils.pretty_concat(permission_names)))
        elif isinstance(exception, commands.BotMissingPermissions):
            permission_names = [name.replace('guild', 'server').replace('_', ' ').title() for name in exception.missing_perms]
            await context.send('{}, I need {} permissions to run this command!'.format(
                context.author.mention, utils.pretty_concat(permission_names)))
        elif isinstance(exception, commands.CommandOnCooldown):
            await context.send(
                '{}, That command is on cooldown! Try again in {:.2f}s!'.format(context.author.mention, exception.retry_after))
        elif isinstance(exception, (commands.CommandNotFound, InvalidContext)):
            pass  # Silent ignore
        else:
            await context.send('```\n%s\n```' % ''.join(traceback.format_exception_only(type(exception), exception)).strip())
            if isinstance(context.channel, discord.TextChannel):
                DOZER_LOGGER.error('Error in command <%d> (%d.name!r(%d.id) %d(%d.id) %d(%d.id) %d)',
                                   context.command, context.guild, context.guild, context.channel, context.channel,
                                   context.author, context.author, context.message.content)
            else:
                DOZER_LOGGER.error('Error in command <%d> (DM %d(%d.id) %d)', context.command, context.channel.recipient,
                                   context.channel.recipient, context.message.content)
            DOZER_LOGGER.error(''.join(traceback.format_exception(type(exception), exception, exception.__traceback__))) 

def _on_command_error(self, ctx, error, bypass = False):
        name, content = None, None
        raised = False

        if hasattr(ctx.command, 'on_error') or (ctx.command and hasattr(ctx.cog, f'_{ctx.command.cog_name}__error')) and not bypass:
            # Do nothing if the command/cog has its own error handler and the bypass is False
            return
        if isinstance(error, commands.CommandInvokeError) and hasattr(error, 'original'):
            error = error.original
            raised = True
        if isinstance(error, commands.CommandNotFound) or isinstance(error, commands.NotOwner):
            return
        elif isinstance(error, commands.MissingRequiredArgument):
            name = "SyntaxError"
            content = f"Command `{ctx.command.name}` missing 1 required argument: `{error.param.name}`"
        elif isinstance(error, commands.BadArgument):
            name = "TypeError"
            content = str(error.args[0])
        elif isinstance(error, commands.CommandOnCooldown):
            name = "TimeoutError"
            content = f"Command on cooldown. Retry in `{format(error.retry_after, '.2f')}s`."
        elif isinstance(error, commands.CheckFailure):
            name = "PermissionError"
            content = "Escalation failed: you are not in the sudoers file.\nThis incident will be reported"
        elif isinstance(error, discord.Forbidden) or isinstance(error, discord.HTTPException):
            # We may not be able to send an embed or even send a message at this point
            bot_member = ctx.guild.get_member(self.bot.user.id)
            can_talk = ctx.channel.permissions_for(bot_member).send_messages
            if can_talk:
                return await ctx.send(f"```An error occurred while responding:\n{error.code} - {error.text}\n\nI need following permissions:\n\nEmbed links\nAttach files\nAdd reactions```")
        elif isinstance(error, UnicodeError):
            name = "UnicodeError"
            content = "The bot failed to decode your input or a command output. Make sure you only use UTF-8"

        if name is not None:
            emb = discord.Embed(title=name, description=content, colour=self.bot.config['RED'])
            await ctx.send(embed=emb)
        elif raised:
            print(f'{time.strftime("%d/%m/%y %H:%M:%S")} | {ctx.command.qualified_name}', file=sys.stderr)
            traceback.print_tb(error.__traceback__)
            print(f'{error.__class__.__name__}: {error}', file=sys.stderr, end='\n\n')
        else:
            print(traceback.format_exc()) 

def on_command_error(self, ctx, error):
        if hasattr(ctx.command, 'on_error'):
            return
        
        ignored = (commands.MissingRequiredArgument, commands.BadArgument, commands.NoPrivateMessage, commands.CheckFailure, commands.CommandNotFound, commands.DisabledCommand, commands.CommandInvokeError, commands.TooManyArguments, commands.UserInputError, commands.CommandOnCooldown, commands.NotOwner, commands.MissingPermissions, commands.BotMissingPermissions)   
        error = getattr(error, 'original', error)
        

        if isinstance(error, commands.CommandNotFound):
            return

        elif isinstance(error, commands.BadArgument):
            await ctx.send(embed=discord.Embed(color=self.bot.color).set_footer(text=f"Seems like {error}.", icon_url=ctx.author.avatar_url))

        elif isinstance(error, commands.MissingRequiredArgument):
            await ctx.send(embed=discord.Embed(color=self.bot.color).set_footer(text=f"Seems like {error}.", icon_url=ctx.author.avatar_url))

        elif isinstance(error, commands.NoPrivateMessage):
            return

        elif isinstance(error, commands.CheckFailure):
            await ctx.send(embed=discord.Embed(color=self.bot.color).set_footer(text=f"Seems like this command is thought for other users. You can't use it.", icon_url=ctx.author.avatar_url))

        elif isinstance(error, commands.DisabledCommand):
            await ctx.send(embed=discord.Embed(color=self.bot.color).set_footer(text=f"Seems like this command in disabled.", icon_url=ctx.author.avatar_url))

        elif isinstance(error, commands.CommandInvokeError):
            await ctx.send(embed=discord.Embed(color=self.bot.color).set_footer(text=f"Seems like something went wrong. Report this issue to the developer.", icon_url=ctx.author.avatar_url))

        elif isinstance(error, commands.TooManyArguments):
            await ctx.send(embed=discord.Embed(color=self.bot.color).set_footer(text=f"Seems like you gave too many arguments.", icon_url=ctx.author.avatar_url))

        elif isinstance(error, commands.UserInputError):
            await ctx.send(embed=discord.Embed(color=self.bot.color).set_footer(text=f"Seems like you did something wrong.", icon_url=ctx.author.avatar_url))

        elif isinstance(error, commands.CommandOnCooldown):
            await ctx.send(embed=discord.Embed(color=self.bot.color).set_footer(text=f"Seems like {error}.", icon_url=ctx.author.avatar_url))

        elif isinstance(error, commands.NotOwner):
            await ctx.send(embed=discord.Embed(color=self.bot.color).set_footer(text=f"Seems like you do not own this bot.", icon_url=ctx.author.avatar_url))

        elif isinstance(error, commands.MissingPermissions):
            await ctx.send(embed=discord.Embed(color=self.bot.color).set_footer(text=f"Seems like {error}.", icon_url=ctx.author.avatar_url))

        elif isinstance(error, commands.BotMissingPermissions):
            await ctx.send(embed=discord.Embed(color=self.bot.color).set_footer(text=f"Seems like {error}.", icon_url=ctx.author.avatar_url))