Message Command#

MessageCommand #

Bases: CallableCommandBase[ClientT, ContextMenuCommandBuilder]

A context menu command that is invoked by right-clicking a message.

autodefer `property` #

autodefer: AutodeferMode

The resolved autodefer configuration for this command.

callback `instance-attribute` #

callback: CommandCallbackT[ClientT]

The callback to invoke when this command is called.

client `property` #

client: ClientT

The client that is handling this command.

command_type `property` #

command_type: CommandType

The type of command this object represents.

concurrency_limiter `property` `writable` #

concurrency_limiter: ConcurrencyLimiterProto[ClientT] | None

The concurrency limiter for this command.

default_permissions `property` #

default_permissions: Permissions | UndefinedType

The resolved default permissions for this command.

display_name `property` #

display_name: str

The display name of this command. This is what is shown in the Discord client.

Note

Slash commands can also be mentioned, see SlashCommand.make_mention.

error_handler `property` `writable` #

error_handler: ErrorHandlerCallbackT[ClientT] | None

The error handler for this command.

guilds `class-attribute` `instance-attribute` #

guilds: Sequence[Snowflake] | UndefinedType = UNDEFINED

The guilds this command is available in.

hooks `property` #

hooks: MutableSequence[HookT[ClientT]]

The pre-execution hooks for this command.

instances `property` #

instances: Mapping[Snowflake | None, PartialCommand]

A mapping of guild IDs to command instances. None corresponds to the global instance, if any.

is_dm_enabled `property` #

is_dm_enabled: bool

Whether this command is enabled in DMs.

is_nsfw `property` #

is_nsfw: bool

Whether this command is NSFW. If true, the command will only be available in NSFW channels.

name `instance-attribute` #

name: str

The name of this command.

name_localizations `class-attribute` `instance-attribute` #

name_localizations: Mapping[Locale, str] = field(factory=dict)

The localizations for this command's name.

plugin `property` #

plugin: PluginBase[ClientT] | None

The plugin that this command belongs to, if any.

post_hooks `property` #

post_hooks: MutableSequence[PostHookT[ClientT]]

The post-execution hooks for this command.

qualified_name `property` #

qualified_name: Sequence[str]

The fully qualified name of this command.

call `async` #

__call__(ctx: Context[ClientT], *args: Any, **kwargs: Any) -> None

Call the callback of the command with the given context and arguments.

PARAMETER	DESCRIPTION
`ctx`	The context to invoke this command with. TYPE: `ContextT`
`args`	The positional arguments to pass to the callback. TYPE: `tuple[Any]` DEFAULT: `()`
`kwargs`	The keyword arguments to pass to the callback. TYPE: `dict[str, Any]` DEFAULT: `{}`

add_hook #

add_hook(hook: HookT[ClientT]) -> Self

Add a new pre-execution hook to this object.

Any function that takes a Context as its sole parameter and returns either a HookResult or None can be used as a hook.

PARAMETER	DESCRIPTION
`hook`	The hook to add. TYPE: `HookT[ClientT]`

RETURNS	DESCRIPTION
`Self`	This object for chaining.

add_post_hook #

add_post_hook(hook: PostHookT[ClientT]) -> Self

Add a new post-execution hook to this object.

Any function that takes a Context as its sole parameter and returns None can be used as a post-hook.

PARAMETER	DESCRIPTION
`hook`	The post-execution hook to add. TYPE: `PostHookT[ClientT]`

RETURNS	DESCRIPTION
`Self`	This object for chaining.

invoke `async` #

invoke(
    interaction: CommandInteraction, *args: Any, **kwargs: Any
) -> Future[ResponseBuilderT] | None

Invoke this command with the given interaction.

PARAMETER	DESCRIPTION
`interaction`	The interaction to invoke this command with. TYPE: `CommandInteraction`
`args`	The positional arguments to pass to the callback. TYPE: `tuple[Any]` DEFAULT: `()`
`kwargs`	The keyword arguments to pass to the callback. TYPE: `dict[str, Any]` DEFAULT: `{}`

RETURNS	DESCRIPTION
`None \| Future[ResponseBuilderT]`	If this is a REST client, returns the response builder.

RAISES	DESCRIPTION
`RuntimeError`	If this command has not been added to a client.

publish `async` #

publish(guild: SnowflakeishOr[PartialGuild] | None = None) -> PartialCommand

Publish this command to the given guild, or globally if no guild is provided.

PARAMETER	DESCRIPTION
`guild`	The guild to publish this command to. If None, publish globally. TYPE: `Snowflakeish \| None` DEFAULT: `None`

RETURNS	DESCRIPTION
`PartialCommand`	The published command.

reset_all_limiters #

reset_all_limiters(context: Context[ClientT]) -> None

Reset all limiter hooks for this command.

PARAMETER	DESCRIPTION
`context`	The context to reset the limiters for. TYPE: `Context`

set_concurrency_limiter #

set_concurrency_limiter(limiter: ConcurrencyLimiterProto[ClientT]) -> Self

Set the concurrency limiter for this object.

set_error_handler #

set_error_handler(
    callback: ErrorHandlerCallbackT[ClientT] | None = None,
) -> (
    ErrorHandlerCallbackT[ClientT]
    | Callable[[ErrorHandlerCallbackT[ClientT]], ErrorHandlerCallbackT[ClientT]]
)

Decorator to set an error handler for this object. This can be added to commands, groups, or plugins.

This function will be called when an exception is raised during the invocation of a command.

Example

@client.include
@arc.slash_command("foo", "Foo command description")
async def foo(ctx: arc.GatewayContext) -> None:
    raise RuntimeError("foo")

@foo.set_error_handler
async def foo_error_handler(ctx: arc.GatewayContext, exc: Exception) -> None:
    if isinstance(exc, RuntimeError):
        await ctx.respond("foo failed")
        return

    raise exc

Warning

Errors that cannot be handled by the error handler should be re-raised. Otherwise they will not propagate to the next error handler.

unpublish `async` #

unpublish(guild: SnowflakeishOr[PartialGuild] | None = None) -> None

Unpublish this command from the given guild, or globally if no guild is provided.

PARAMETER	DESCRIPTION
`guild`	The guild to unpublish this command from. If None, unpublish globally. TYPE: `Snowflakeish \| None` DEFAULT: `None`

message_command #

message_command(
    name: str,
    *,
    guilds: (
        Sequence[PartialGuild | Snowflakeish] | UndefinedType
    ) = hikari.UNDEFINED,
    is_dm_enabled: bool | UndefinedType = hikari.UNDEFINED,
    is_nsfw: bool | UndefinedType = hikari.UNDEFINED,
    autodefer: bool | AutodeferMode | UndefinedType = hikari.UNDEFINED,
    default_permissions: Permissions | UndefinedType = hikari.UNDEFINED,
    name_localizations: Mapping[Locale, str] | None = None
) -> Callable[[MessageCommandCallbackT[ClientT]], MessageCommand[ClientT]]

A decorator that creates a context-menu command on a message.

Note

Parameters left as hikari.UNDEFINED will be inherited from the parent plugin or client.

PARAMETER	DESCRIPTION
`name`	The name of the command. TYPE: `str`
`guilds`	The guilds this command should be enabled in, if left as undefined, the command is global TYPE: `Sequence[PartialGuild \| Snowflakeish] \| UndefinedType` DEFAULT: `UNDEFINED`
`is_dm_enabled`	Whether this command is enabled in DMs. TYPE: `bool \| UndefinedType` DEFAULT: `UNDEFINED`
`is_nsfw`	Whether this command is NSFW. TYPE: `bool \| UndefinedType` DEFAULT: `UNDEFINED`
`autodefer`	If True, this command will be automatically deferred if it takes longer than 2 seconds to respond TYPE: `bool \| AutodeferMode \| UndefinedType` DEFAULT: `UNDEFINED`
`default_permissions`	The default permissions for this command. Keep in mind that guild administrators can change this, it should only be used to provide safe defaults. TYPE: `Permissions \| UndefinedType` DEFAULT: `UNDEFINED`
`name_localizations`	The localizations for this command's name. TYPE: `Mapping[Locale, str] \| None` DEFAULT: `None`

Example

@client.include
@arc.message_command(name="Say Hi", description="Say hi!")
async def hi_msg(
    ctx: arc.GatewayContext, message: hikari.Message
) -> None:
    await ctx.respond(f"Hey {message.author}!")

Message Command#

MessageCommand #

autodefer property #

callback instance-attribute #

client property #

command_type property #

concurrency_limiter property writable #

default_permissions property #

display_name property #

error_handler property writable #

guilds class-attribute instance-attribute #

hooks property #

instances property #

is_dm_enabled property #

is_nsfw property #

name instance-attribute #

name_localizations class-attribute instance-attribute #

plugin property #

post_hooks property #

qualified_name property #

__call__ async #