Use typing.Self throughout library

discord/ui/button.py

@@ -24,7 +24,7 @@ DEALINGS IN THE SOFTWARE.
 
 from __future__ import annotations
 
-from typing import Callable, Optional, TYPE_CHECKING, Tuple, Type, TypeVar, Union
+from typing import Callable, Optional, TYPE_CHECKING, Tuple, TypeVar, Union
 import inspect
 import os
 
@@ -40,10 +40,11 @@ __all__ = (
 )
 
 if TYPE_CHECKING:
+    from typing_extensions import Self
+
     from .view import View
     from ..emoji import Emoji
 
-B = TypeVar('B', bound='Button')
 V = TypeVar('V', bound='View', covariant=True)
 
 
@@ -196,7 +197,7 @@ class Button(Item[V]):
             self._underlying.emoji = None
 
     @classmethod
-    def from_component(cls: Type[B], button: ButtonComponent) -> B:
+    def from_component(cls, button: ButtonComponent) -> Self:
         return cls(
             style=button.style,
             label=button.label,

discord/ui/select.py

@@ -43,13 +43,14 @@ __all__ = (
 )
 
 if TYPE_CHECKING:
+    from typing_extensions import Self
+
     from .view import View
     from ..types.components import SelectMenu as SelectMenuPayload
     from ..types.interactions import (
         MessageComponentInteractionData,
     )
 
-S = TypeVar('S', bound='Select')
 V = TypeVar('V', bound='View', covariant=True)
 
 
@@ -272,7 +273,7 @@ class Select(Item[V]):
         self._selected_values = data.get('values', [])
 
     @classmethod
-    def from_component(cls: Type[S], component: SelectMenu) -> S:
+    def from_component(cls, component: SelectMenu) -> Self:
         return cls(
             custom_id=component.custom_id,
             placeholder=component.placeholder,

discord/ui/text_input.py

@@ -25,7 +25,7 @@ DEALINGS IN THE SOFTWARE.
 from __future__ import annotations
 
 import os
-from typing import TYPE_CHECKING, Optional, Tuple, Type, TypeVar
+from typing import TYPE_CHECKING, Optional, Tuple, TypeVar
 
 from ..components import TextInput as TextInputComponent
 from ..enums import ComponentType, TextStyle
@@ -33,6 +33,8 @@ from ..utils import MISSING
 from .item import Item
 
 if TYPE_CHECKING:
+    from typing_extensions import Self
+
     from ..types.components import TextInput as TextInputPayload
     from ..types.interactions import ModalSubmitTextInputInteractionData as ModalSubmitTextInputInteractionDataPayload
     from .view import View
@@ -45,7 +47,6 @@ __all__ = (
 # fmt: on
 
 V = TypeVar('V', bound='View', covariant=True)
-TI = TypeVar('TI', bound='TextInput')
 
 
 class TextInput(Item[V]):
@@ -210,7 +211,7 @@ class TextInput(Item[V]):
         self._value = data.get('value', None)
 
     @classmethod
-    def from_component(cls: Type[TI], component: TextInputComponent) -> TI:
+    def from_component(cls, component: TextInputComponent) -> Self:
         return cls(
             label=component.label,
             style=component.style,