/
components.py
704 lines (561 loc) · 22.1 KB
/
components.py
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# SPDX-License-Identifier: MIT
from __future__ import annotations
from typing import (
TYPE_CHECKING,
Any,
ClassVar,
Dict,
Generic,
List,
Optional,
Tuple,
Type,
TypeVar,
Union,
cast,
)
from .enums import ButtonStyle, ChannelType, ComponentType, TextInputStyle, try_enum
from .partial_emoji import PartialEmoji, _EmojiTag
from .utils import MISSING, assert_never, get_slots
if TYPE_CHECKING:
from typing_extensions import Self
from .emoji import Emoji
from .types.components import (
ActionRow as ActionRowPayload,
BaseSelectMenu as BaseSelectMenuPayload,
ButtonComponent as ButtonComponentPayload,
ChannelSelectMenu as ChannelSelectMenuPayload,
Component as ComponentPayload,
MentionableSelectMenu as MentionableSelectMenuPayload,
RoleSelectMenu as RoleSelectMenuPayload,
SelectOption as SelectOptionPayload,
StringSelectMenu as StringSelectMenuPayload,
TextInput as TextInputPayload,
UserSelectMenu as UserSelectMenuPayload,
)
__all__ = (
"Component",
"ActionRow",
"Button",
"BaseSelectMenu",
"StringSelectMenu",
"SelectMenu",
"UserSelectMenu",
"RoleSelectMenu",
"MentionableSelectMenu",
"ChannelSelectMenu",
"SelectOption",
"TextInput",
)
C = TypeVar("C", bound="Component")
AnySelectMenu = Union[
"StringSelectMenu",
"UserSelectMenu",
"RoleSelectMenu",
"MentionableSelectMenu",
"ChannelSelectMenu",
]
MessageComponent = Union["Button", "AnySelectMenu"]
if TYPE_CHECKING: # TODO: remove when we add modal select support
from typing_extensions import TypeAlias
# ModalComponent = Union["TextInput", "AnySelectMenu"]
ModalComponent: TypeAlias = "TextInput"
NestedComponent = Union[MessageComponent, ModalComponent]
ComponentT = TypeVar("ComponentT", bound=NestedComponent)
class Component:
"""Represents a Discord Bot UI Kit Component.
Currently, the only components supported by Discord are:
- :class:`ActionRow`
- :class:`Button`
- subtypes of :class:`BaseSelectMenu` (:class:`ChannelSelectMenu`, :class:`MentionableSelectMenu`, :class:`RoleSelectMenu`, :class:`StringSelectMenu`, :class:`UserSelectMenu`)
- :class:`TextInput`
This class is abstract and cannot be instantiated.
.. versionadded:: 2.0
Attributes
----------
type: :class:`ComponentType`
The type of component.
"""
__slots__: Tuple[str, ...] = ("type",)
__repr_info__: ClassVar[Tuple[str, ...]]
type: ComponentType
def __repr__(self) -> str:
attrs = " ".join(f"{key}={getattr(self, key)!r}" for key in self.__repr_info__)
return f"<{self.__class__.__name__} {attrs}>"
@classmethod
def _raw_construct(cls, **kwargs) -> Self:
self = cls.__new__(cls)
for slot in get_slots(cls):
try:
value = kwargs[slot]
except KeyError:
pass
else:
setattr(self, slot, value)
return self
def to_dict(self) -> Dict[str, Any]:
raise NotImplementedError
class ActionRow(Component, Generic[ComponentT]):
"""Represents an action row.
This is a component that holds up to 5 children components in a row.
This inherits from :class:`Component`.
.. versionadded:: 2.0
Attributes
----------
type: :class:`ComponentType`
The type of component.
children: List[Union[:class:`Button`, :class:`BaseSelectMenu`, :class:`TextInput`]]
The children components that this holds, if any.
"""
__slots__: Tuple[str, ...] = ("children",)
__repr_info__: ClassVar[Tuple[str, ...]] = __slots__
def __init__(self, data: ActionRowPayload) -> None:
self.type: ComponentType = try_enum(ComponentType, data["type"])
self.children: List[ComponentT] = [
_component_factory(d) for d in data.get("components", [])
]
def to_dict(self) -> ActionRowPayload:
return {
"type": self.type.value,
"components": [child.to_dict() for child in self.children],
}
class Button(Component):
"""Represents a button from the Discord Bot UI Kit.
This inherits from :class:`Component`.
.. note::
The user constructible and usable type to create a button is :class:`disnake.ui.Button`,
not this one.
.. versionadded:: 2.0
Attributes
----------
style: :class:`.ButtonStyle`
The style of the button.
custom_id: Optional[:class:`str`]
The ID of the button that gets received during an interaction.
If this button is for a URL, it does not have a custom ID.
url: Optional[:class:`str`]
The URL this button sends you to.
disabled: :class:`bool`
Whether the button is disabled or not.
label: Optional[:class:`str`]
The label of the button, if any.
emoji: Optional[:class:`PartialEmoji`]
The emoji of the button, if available.
"""
__slots__: Tuple[str, ...] = (
"style",
"custom_id",
"url",
"disabled",
"label",
"emoji",
)
__repr_info__: ClassVar[Tuple[str, ...]] = __slots__
def __init__(self, data: ButtonComponentPayload) -> None:
self.type: ComponentType = try_enum(ComponentType, data["type"])
self.style: ButtonStyle = try_enum(ButtonStyle, data["style"])
self.custom_id: Optional[str] = data.get("custom_id")
self.url: Optional[str] = data.get("url")
self.disabled: bool = data.get("disabled", False)
self.label: Optional[str] = data.get("label")
self.emoji: Optional[PartialEmoji]
try:
self.emoji = PartialEmoji.from_dict(data["emoji"])
except KeyError:
self.emoji = None
def to_dict(self) -> ButtonComponentPayload:
payload: ButtonComponentPayload = {
"type": 2,
"style": self.style.value,
"disabled": self.disabled,
}
if self.label:
payload["label"] = self.label
if self.custom_id:
payload["custom_id"] = self.custom_id
if self.url:
payload["url"] = self.url
if self.emoji:
payload["emoji"] = self.emoji.to_dict()
return payload
class BaseSelectMenu(Component):
"""Represents an abstract select menu from the Discord Bot UI Kit.
A select menu is functionally the same as a dropdown, however
on mobile it renders a bit differently.
The currently supported select menus are:
- :class:`~disnake.StringSelectMenu`
- :class:`~disnake.UserSelectMenu`
- :class:`~disnake.RoleSelectMenu`
- :class:`~disnake.MentionableSelectMenu`
- :class:`~disnake.ChannelSelectMenu`
.. versionadded:: 2.7
Attributes
----------
custom_id: Optional[:class:`str`]
The ID of the select menu that gets received during an interaction.
placeholder: Optional[:class:`str`]
The placeholder text that is shown if nothing is selected, if any.
min_values: :class:`int`
The minimum number of items that must be chosen for this select menu.
Defaults to 1 and must be between 1 and 25.
max_values: :class:`int`
The maximum number of items that must be chosen for this select menu.
Defaults to 1 and must be between 1 and 25.
options: List[:class:`SelectOption`]
A list of options that can be selected in this select menu.
disabled: :class:`bool`
Whether the select menu is disabled or not.
"""
__slots__: Tuple[str, ...] = (
"custom_id",
"placeholder",
"min_values",
"max_values",
"disabled",
)
__repr_info__: ClassVar[Tuple[str, ...]] = __slots__
def __init__(self, data: BaseSelectMenuPayload) -> None:
self.type: ComponentType = try_enum(ComponentType, data["type"])
self.custom_id: str = data["custom_id"]
self.placeholder: Optional[str] = data.get("placeholder")
self.min_values: int = data.get("min_values", 1)
self.max_values: int = data.get("max_values", 1)
self.disabled: bool = data.get("disabled", False)
def to_dict(self) -> BaseSelectMenuPayload:
payload: BaseSelectMenuPayload = {
"type": self.type.value,
"custom_id": self.custom_id,
"min_values": self.min_values,
"max_values": self.max_values,
"disabled": self.disabled,
}
if self.placeholder:
payload["placeholder"] = self.placeholder
return payload
class StringSelectMenu(BaseSelectMenu):
"""Represents a string select menu from the Discord Bot UI Kit.
.. note::
The user constructible and usable type to create a
string select menu is :class:`disnake.ui.StringSelect`.
.. versionadded:: 2.0
.. versionchanged:: 2.7
Renamed from ``SelectMenu`` to ``StringSelectMenu``.
Attributes
----------
custom_id: Optional[:class:`str`]
The ID of the select menu that gets received during an interaction.
placeholder: Optional[:class:`str`]
The placeholder text that is shown if nothing is selected, if any.
min_values: :class:`int`
The minimum number of items that must be chosen for this select menu.
Defaults to 1 and must be between 1 and 25.
max_values: :class:`int`
The maximum number of items that must be chosen for this select menu.
Defaults to 1 and must be between 1 and 25.
disabled: :class:`bool`
Whether the select menu is disabled or not.
options: List[:class:`SelectOption`]
A list of options that can be selected in this select menu.
"""
__slots__: Tuple[str, ...] = ("options",)
__repr_info__: ClassVar[Tuple[str, ...]] = BaseSelectMenu.__repr_info__ + __slots__
def __init__(self, data: StringSelectMenuPayload) -> None:
super().__init__(data)
self.options: List[SelectOption] = [
SelectOption.from_dict(option) for option in data.get("options", [])
]
def to_dict(self) -> StringSelectMenuPayload:
payload = cast("StringSelectMenuPayload", super().to_dict())
payload["options"] = [op.to_dict() for op in self.options]
return payload
SelectMenu = StringSelectMenu # backwards compatibility
class UserSelectMenu(BaseSelectMenu):
"""Represents a user select menu from the Discord Bot UI Kit.
.. note::
The user constructible and usable type to create a
user select menu is :class:`disnake.ui.UserSelect`.
.. versionadded:: 2.7
Attributes
----------
custom_id: Optional[:class:`str`]
The ID of the select menu that gets received during an interaction.
placeholder: Optional[:class:`str`]
The placeholder text that is shown if nothing is selected, if any.
min_values: :class:`int`
The minimum number of items that must be chosen for this select menu.
Defaults to 1 and must be between 1 and 25.
max_values: :class:`int`
The maximum number of items that must be chosen for this select menu.
Defaults to 1 and must be between 1 and 25.
disabled: :class:`bool`
Whether the select menu is disabled or not.
"""
__slots__: Tuple[str, ...] = ()
if TYPE_CHECKING:
def to_dict(self) -> UserSelectMenuPayload:
return cast("UserSelectMenuPayload", super().to_dict())
class RoleSelectMenu(BaseSelectMenu):
"""Represents a role select menu from the Discord Bot UI Kit.
.. note::
The user constructible and usable type to create a
role select menu is :class:`disnake.ui.RoleSelect`.
.. versionadded:: 2.7
Attributes
----------
custom_id: Optional[:class:`str`]
The ID of the select menu that gets received during an interaction.
placeholder: Optional[:class:`str`]
The placeholder text that is shown if nothing is selected, if any.
min_values: :class:`int`
The minimum number of items that must be chosen for this select menu.
Defaults to 1 and must be between 1 and 25.
max_values: :class:`int`
The maximum number of items that must be chosen for this select menu.
Defaults to 1 and must be between 1 and 25.
disabled: :class:`bool`
Whether the select menu is disabled or not.
"""
__slots__: Tuple[str, ...] = ()
if TYPE_CHECKING:
def to_dict(self) -> RoleSelectMenuPayload:
return cast("RoleSelectMenuPayload", super().to_dict())
class MentionableSelectMenu(BaseSelectMenu):
"""Represents a mentionable (user/member/role) select menu from the Discord Bot UI Kit.
.. note::
The user constructible and usable type to create a
mentionable select menu is :class:`disnake.ui.MentionableSelect`.
.. versionadded:: 2.7
Attributes
----------
custom_id: Optional[:class:`str`]
The ID of the select menu that gets received during an interaction.
placeholder: Optional[:class:`str`]
The placeholder text that is shown if nothing is selected, if any.
min_values: :class:`int`
The minimum number of items that must be chosen for this select menu.
Defaults to 1 and must be between 1 and 25.
max_values: :class:`int`
The maximum number of items that must be chosen for this select menu.
Defaults to 1 and must be between 1 and 25.
disabled: :class:`bool`
Whether the select menu is disabled or not.
"""
__slots__: Tuple[str, ...] = ()
if TYPE_CHECKING:
def to_dict(self) -> MentionableSelectMenuPayload:
return cast("MentionableSelectMenuPayload", super().to_dict())
class ChannelSelectMenu(BaseSelectMenu):
"""Represents a channel select menu from the Discord Bot UI Kit.
.. note::
The user constructible and usable type to create a
channel select menu is :class:`disnake.ui.ChannelSelect`.
.. versionadded:: 2.7
Attributes
----------
custom_id: Optional[:class:`str`]
The ID of the select menu that gets received during an interaction.
placeholder: Optional[:class:`str`]
The placeholder text that is shown if nothing is selected, if any.
min_values: :class:`int`
The minimum number of items that must be chosen for this select menu.
Defaults to 1 and must be between 1 and 25.
max_values: :class:`int`
The maximum number of items that must be chosen for this select menu.
Defaults to 1 and must be between 1 and 25.
disabled: :class:`bool`
Whether the select menu is disabled or not.
channel_types: Optional[List[:class:`ChannelType`]]
A list of channel types that can be selected in this select menu.
If ``None``, channels of all types may be selected.
"""
__slots__: Tuple[str, ...] = ("channel_types",)
__repr_info__: ClassVar[Tuple[str, ...]] = BaseSelectMenu.__repr_info__ + __slots__
def __init__(self, data: ChannelSelectMenuPayload) -> None:
super().__init__(data)
# on the API side, an empty list is (currently) equivalent to no value
channel_types = data.get("channel_types")
self.channel_types: Optional[List[ChannelType]] = (
[try_enum(ChannelType, t) for t in channel_types] if channel_types else None
)
def to_dict(self) -> ChannelSelectMenuPayload:
payload = cast("ChannelSelectMenuPayload", super().to_dict())
if self.channel_types:
payload["channel_types"] = [t.value for t in self.channel_types]
return payload
class SelectOption:
"""Represents a string select menu's option.
These can be created by users.
.. versionadded:: 2.0
Attributes
----------
label: :class:`str`
The label of the option. This is displayed to users.
Can only be up to 100 characters.
value: :class:`str`
The value of the option. This is not displayed to users.
If not provided when constructed then it defaults to the
label. Can only be up to 100 characters.
description: Optional[:class:`str`]
An additional description of the option, if any.
Can only be up to 100 characters.
emoji: Optional[Union[:class:`str`, :class:`Emoji`, :class:`PartialEmoji`]]
The emoji of the option, if available.
default: :class:`bool`
Whether this option is selected by default.
"""
__slots__: Tuple[str, ...] = (
"label",
"value",
"description",
"emoji",
"default",
)
def __init__(
self,
*,
label: str,
value: str = MISSING,
description: Optional[str] = None,
emoji: Optional[Union[str, Emoji, PartialEmoji]] = None,
default: bool = False,
) -> None:
self.label = label
self.value = label if value is MISSING else value
self.description = description
if emoji is not None:
if isinstance(emoji, str):
emoji = PartialEmoji.from_str(emoji)
elif isinstance(emoji, _EmojiTag):
emoji = emoji._to_partial()
else:
raise TypeError(
f"expected emoji to be str, Emoji, or PartialEmoji not {emoji.__class__}"
)
self.emoji = emoji
self.default = default
def __repr__(self) -> str:
return (
f"<SelectOption label={self.label!r} value={self.value!r} description={self.description!r} "
f"emoji={self.emoji!r} default={self.default!r}>"
)
def __str__(self) -> str:
if self.emoji:
base = f"{self.emoji} {self.label}"
else:
base = self.label
if self.description:
return f"{base}\n{self.description}"
return base
@classmethod
def from_dict(cls, data: SelectOptionPayload) -> SelectOption:
try:
emoji = PartialEmoji.from_dict(data["emoji"])
except KeyError:
emoji = None
return cls(
label=data["label"],
value=data["value"],
description=data.get("description"),
emoji=emoji,
default=data.get("default", False),
)
def to_dict(self) -> SelectOptionPayload:
payload: SelectOptionPayload = {
"label": self.label,
"value": self.value,
"default": self.default,
}
if self.emoji:
payload["emoji"] = self.emoji.to_dict()
if self.description:
payload["description"] = self.description
return payload
class TextInput(Component):
"""Represents a text input from the Discord Bot UI Kit.
.. versionadded:: 2.4
.. note::
The user constructible and usable type to create a text input is
:class:`disnake.ui.TextInput`, not this one.
Attributes
----------
style: :class:`TextInputStyle`
The style of the text input.
label: Optional[:class:`str`]
The label of the text input.
custom_id: :class:`str`
The ID of the text input that gets received during an interaction.
placeholder: Optional[:class:`str`]
The placeholder text that is shown if nothing is entered.
value: Optional[:class:`str`]
The pre-filled text of the text input.
required: :class:`bool`
Whether the text input is required. Defaults to ``True``.
min_length: Optional[:class:`int`]
The minimum length of the text input.
max_length: Optional[:class:`int`]
The maximum length of the text input.
"""
__slots__: Tuple[str, ...] = (
"style",
"custom_id",
"label",
"placeholder",
"value",
"required",
"max_length",
"min_length",
)
__repr_info__: ClassVar[Tuple[str, ...]] = __slots__
def __init__(self, data: TextInputPayload) -> None:
style = data.get("style", TextInputStyle.short.value)
self.type: ComponentType = try_enum(ComponentType, data["type"])
self.custom_id: str = data["custom_id"]
self.style: TextInputStyle = try_enum(TextInputStyle, style)
self.label: Optional[str] = data.get("label")
self.placeholder: Optional[str] = data.get("placeholder")
self.value: Optional[str] = data.get("value")
self.required: bool = data.get("required", True)
self.min_length: Optional[int] = data.get("min_length")
self.max_length: Optional[int] = data.get("max_length")
def to_dict(self) -> TextInputPayload:
payload: TextInputPayload = {
"type": self.type.value,
"style": self.style.value,
"label": cast(str, self.label),
"custom_id": self.custom_id,
"required": self.required,
}
if self.placeholder is not None:
payload["placeholder"] = self.placeholder
if self.value is not None:
payload["value"] = self.value
if self.min_length is not None:
payload["min_length"] = self.min_length
if self.max_length is not None:
payload["max_length"] = self.max_length
return payload
def _component_factory(data: ComponentPayload, *, type: Type[C] = Component) -> C:
# NOTE: due to speed, this method does not use the ComponentType enum
# as this runs every single time a component is received from the api
# NOTE: The type param is purely for type-checking, it has no implications on runtime behavior.
component_type = data["type"]
if component_type == 1:
return ActionRow(data) # type: ignore
elif component_type == 2:
return Button(data) # type: ignore
elif component_type == 3:
return StringSelectMenu(data) # type: ignore
elif component_type == 4:
return TextInput(data) # type: ignore
elif component_type == 5:
return UserSelectMenu(data) # type: ignore
elif component_type == 6:
return RoleSelectMenu(data) # type: ignore
elif component_type == 7:
return MentionableSelectMenu(data) # type: ignore
elif component_type == 8:
return ChannelSelectMenu(data) # type: ignore
else:
assert_never(component_type)
as_enum = try_enum(ComponentType, component_type)
return Component._raw_construct(type=as_enum) # type: ignore