feat: add Message.get_component and related functions

CHANGELOG.md

@@ -69,6 +69,8 @@ These changes are available on the `master` branch, but have not yet been releas
   ([#2818](https://github.com/Pycord-Development/pycord/pull/2818))
 - Added `Interaction.attachment_size_limit`.
   ([#2854](https://github.com/Pycord-Development/pycord/pull/2854))
+- Added `get_component` to `Message`, `Section`, `Container` and `ActionRow`.
+  ([#2849](https://github.com/Pycord-Development/pycord/pull/2849))
 
 ### Fixed
 

discord/components.py

@@ -39,7 +39,7 @@
 )
 from .flags import AttachmentFlags
 from .partial_emoji import PartialEmoji, _EmojiTag
-from .utils import MISSING, get_slots
+from .utils import MISSING, find, get_slots
 
 if TYPE_CHECKING:
     from .emoji import AppEmoji, GuildEmoji
@@ -187,6 +187,25 @@ def to_dict(self) -> ActionRowPayload:
     def walk_components(self) -> Iterator[Component]:
         yield from self.children
 
+    def get_component(self, id: str | int) -> Component | None:
+        """Get a component from this action row. Roughly equivalent to `utils.get(row.children, ...)`.
+        If an ``int`` is provided, the component will be retrieved by ``id``, otherwise by ``custom_id``.
+
+        Parameters
+        ----------
+        id: Union[:class:`str`, :class:`int`]
+            The custom_id or id of the component to get.
+
+        Returns
+        -------
+        Optional[:class:`Component`]
+            The component with the matching ``id`` or ``custom_id`` if it exists.
+        """
+        if not id:
+            return None
+        attr = "id" if isinstance(id, int) else "custom_id"
+        return find(lambda i: getattr(i, attr, None) == id, self.children)
+
     @classmethod
     def with_components(cls, *components, id=None):
         return cls._raw_construct(
@@ -620,6 +639,28 @@ def walk_components(self) -> Iterator[Component]:
             yield from r + [self.accessory]
         yield from r
 
+    def get_component(self, id: str | int) -> Component | None:
+        """Get a component from this section. Roughly equivalent to `utils.get(section.walk_components(), ...)`.
+        If an ``int`` is provided, the component will be retrieved by ``id``, otherwise by ``custom_id``.
+
+        Parameters
+        ----------
+        id: Union[:class:`str`, :class:`int`]
+            The custom_id or id of the component to get.
+
+        Returns
+        -------
+        Optional[:class:`Component`]
+            The component with the matching ``id`` or ``custom_id`` if it exists.
+        """
+        if not id:
+            return None
+        attr = "id" if isinstance(id, int) else "custom_id"
+        if self.accessory and id == getattr(self.accessory, attr, None):
+            return self.accessory
+        component = find(lambda i: getattr(i, attr, None) == id, self.components)
+        return component
+
 
 class TextDisplay(Component):
     """Represents a Text Display from Components V2.
@@ -1036,6 +1077,32 @@ def walk_components(self) -> Iterator[Component]:
             else:
                 yield c
 
+    def get_component(self, id: str | int) -> Component | None:
+        """Get a component from this container. Roughly equivalent to `utils.get(container.components, ...)`.
+        If an ``int`` is provided, the component will be retrieved by ``id``, otherwise by ``custom_id``.
+        This method will also search for nested components.
+
+        Parameters
+        ----------
+        id: Union[:class:`str`, :class:`int`]
+            The custom_id or id of the component to get.
+
+        Returns
+        -------
+        Optional[:class:`Component`]
+            The component with the matching ``id`` or ``custom_id`` if it exists.
+        """
+        if not id:
+            return None
+        attr = "id" if isinstance(id, int) else "custom_id"
+        for i in self.components:
+            if getattr(i, attr, None) == id:
+                return i
+            elif hasattr(i, "get_component"):
+                if component := i.get_component(id):
+                    return component
+        return None
+
 
 COMPONENT_MAPPINGS = {
     1: ActionRow,

discord/message.py

@@ -59,7 +59,7 @@
 from .reaction import Reaction
 from .sticker import StickerItem
 from .threads import Thread
-from .utils import MISSING, escape_mentions
+from .utils import MISSING, escape_mentions, find
 
 if TYPE_CHECKING:
     from .abc import (
@@ -2211,6 +2211,32 @@ def to_message_reference_dict(
 
         return data
 
+    def get_component(self, id: str | int) -> Component | None:
+        """Gets a component from this message. Roughly equal to `utils.get(message.components, ...)`.
+        If an :class:`int` is provided, the component will be retrieved by ``id``, otherwise by  ``custom_id``.
+        This method will also search nested components.
+
+        Parameters
+        ----------
+        id: Union[:class:`str`, :class:`int`]
+            The id or custom_id the item to get
+
+        Returns
+        -------
+        Optional[:class:`Component`]
+            The component with the matching ``custom_id`` or ``id`` if it exists.
+        """
+        if not id:
+            return None
+        attr = "id" if isinstance(id, int) else "custom_id"
+        for i in self.components:
+            if getattr(i, attr, None) == id:
+                return i
+            elif hasattr(i, "get_component"):
+                if component := i.get_component(id):
+                    return component
+        return None
+
 
 class PartialMessage(Hashable):
     """Represents a partial message to aid with working messages when only

discord/ui/view.py

@@ -434,7 +434,7 @@ def get_item(self, custom_id: str | int) -> Item[V] | None:
 
         Parameters
         ----------
-        custom_id: :class:`str`
+        custom_id: Union[:class:`str`, :class:`int`]
             The custom_id of the item to get
 
         Returns