fix: allow PartialMessage to have PartialMessageable as a channel (#2568)

* fix: allow PartialMessage to have PartialMessageable as a channel

Signed-off-by: plun1331 <[email protected]>

* Update CHANGELOG.md

Signed-off-by: plun1331 <[email protected]>

* style(pre-commit): auto fixes from pre-commit.com hooks

---------

Signed-off-by: plun1331 <[email protected]>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

Author: 2 people

CHANGELOG.md

@@ -10,6 +10,49 @@ possible (see our [Version Guarantees] for more info).
 
 These changes are available on the `master` branch, but have not yet been released.
 
+⚠️ **This Version Removes Support For Python 3.8** ⚠️
+
+### Added
+
+- Added `Guild.fetch_role` method.
+  ([#2528](https://github.com/Pycord-Development/pycord/pull/2528))
+- Added the following `AppInfo` attributes: `approximate_guild_count`,
+  `approximate_user_install_count`, `custom_install_url`, `install_params`,
+  `interactions_endpoint_url`, `redirect_uris`, `role_connections_verification_url`, and
+  `tags`. ([#2520](https://github.com/Pycord-Development/pycord/pull/2520))
+- Added `Member.guild_banner` and `Member.display_banner` properties.
+  ([#2556](https://github.com/Pycord-Development/pycord/pull/2556))
+
+### Changed
+
+- Renamed `cover` property of `ScheduledEvent` and `cover` argument of
+  `ScheduledEvent.edit` to `image`.
+  ([#2496](https://github.com/Pycord-Development/pycord/pull/2496))
+- ⚠️ **This Version Removes Support For Python 3.8** ⚠️
+  ([#2521](https://github.com/Pycord-Development/pycord/pull/2521))
+
+### Deprecated
+
+- Deprecated `AppInfo.summary` in favor of `AppInfo.description`.
+  ([#2520](https://github.com/Pycord-Development/pycord/pull/2520))
+
+### Fixed
+
+- Fixed `EntitlementIterator` behavior with `limit > 100`.
+  ([#2555](https://github.com/Pycord-Development/pycord/pull/2555))
+- Fixed missing `stacklevel` parameter in `warn_deprecated` function call inside
+  `@utils.deprecated`. ([#2500](https://github.com/Pycord-Development/pycord/pull/2500))
+- Fixed the typehint in `ConnectionState._polls` to reflect actual behavior, changing it
+  from `Guild` to `Poll`.
+  ([#2500](https://github.com/Pycord-Development/pycord/pull/2500))
+- Fixed missing `__slots__` attributes in `RawReactionClearEmojiEvent` and
+  `RawMessagePollVoteEvent`.
+  ([#2500](https://github.com/Pycord-Development/pycord/pull/2500))
+- Fixed the type of `ForumChannel.default_sort_order`, changing it from `int` to
+  `SortOrder`. ([#2500](https://github.com/Pycord-Development/pycord/pull/2500))
+- Fixed `PartialMessage`s causing errors when created from `PartialMessageable`.
+  ([#2568](https://github.com/Pycord-Development/pycord/pull/2500))
+
 ## [2.6.0] - 2024-07-09
 
 ### Added

discord/message.py

@@ -42,6 +42,7 @@
 from urllib.parse import parse_qs, urlparse
 
 from . import utils
+from .channel import PartialMessageable
 from .components import _component_factory
 from .embeds import Embed
 from .emoji import Emoji
@@ -2001,6 +2002,7 @@ class PartialMessage(Hashable):
     - :meth:`DMChannel.get_partial_message`
     - :meth:`VoiceChannel.get_partial_message`
     - :meth:`StageChannel.get_partial_message`
+    - :meth:`PartialMessageable.get_partial_message`
 
     Note that this class is trimmed down and has no rich attributes.
 
@@ -2022,7 +2024,7 @@ class PartialMessage(Hashable):
 
     Attributes
     ----------
-    channel: Union[:class:`TextChannel`, :class:`Thread`, :class:`DMChannel`, :class:`VoiceChannel`, :class:`StageChannel`]
+    channel: Union[:class:`TextChannel`, :class:`Thread`, :class:`DMChannel`, :class:`VoiceChannel`, :class:`StageChannel`, :class:`PartialMessageable`]
         The channel associated with this partial message.
     id: :class:`int`
         The message ID.
@@ -2053,9 +2055,9 @@ def __init__(self, *, channel: PartialMessageableChannel, id: int):
             ChannelType.news_thread,
             ChannelType.public_thread,
             ChannelType.private_thread,
-        ):
+        ) and not isinstance(channel, PartialMessageable):
             raise TypeError(
-                "Expected TextChannel, VoiceChannel, StageChannel, DMChannel or Thread not"
+                "Expected TextChannel, VoiceChannel, StageChannel, DMChannel, Thread or PartialMessageable not"
                 f" {type(channel)!r}"
             )