feat: ✨ Parse data as message in parse_message_update instead of using _update (#2780)

Author: Lulalaby

CHANGELOG.md

@@ -12,6 +12,9 @@ These changes are available on the `master` branch, but have not yet been releas
 
 ### Added
 
+- Added `RawMessageUpdateEvent.new_message` - message update events now contain full
+  message objects ([#2780](https://github.com/Pycord-Development/pycord/pull/2780))
+
 ### Changed
 
 ### Fixed

discord/message.py

@@ -1208,26 +1208,6 @@ def _clear_emoji(self, emoji) -> Reaction | None:
         del self.reactions[index]
         return reaction
 
-    def _update(self, data):
-        # In an update scheme, 'author' key has to be handled before 'member'
-        # otherwise they overwrite each other which is undesirable.
-        # Since there's no good way to do this we have to iterate over every
-        # handler rather than iterating over the keys which is a little slower
-        for key, handler in self._HANDLERS:
-            try:
-                value = data[key]
-            except KeyError:
-                continue
-            else:
-                handler(self, value)
-
-        # clear the cached properties
-        for attr in self._CACHED_SLOTS:
-            try:
-                delattr(self, attr)
-            except AttributeError:
-                pass
-
     def _handle_edited_timestamp(self, value: str) -> None:
         self._edited_timestamp = utils.parse_time(value)
 

discord/raw_models.py

@@ -185,15 +185,21 @@ class RawMessageUpdateEvent(_RawReprMixin):
     cached_message: Optional[:class:`Message`]
         The cached message, if found in the internal message cache. Represents the message before
         it is modified by the data in :attr:`RawMessageUpdateEvent.data`.
+    new_message: :class:`Message`
+        The new message object. Represents the message after it is modified by the data in
+        :attr:`RawMessageUpdateEvent.data`.
+
+        .. versionadded:: 2.7
     """
 
     __slots__ = ("message_id", "channel_id", "guild_id", "data", "cached_message")
 
-    def __init__(self, data: MessageUpdateEvent) -> None:
+    def __init__(self, data: MessageUpdateEvent, new_message: Message) -> None:
         self.message_id: int = int(data["id"])
         self.channel_id: int = int(data["channel_id"])
         self.data: MessageUpdateEvent = data
         self.cached_message: Message | None = None
+        self.new_message: Message = new_message
 
         try:
             self.guild_id: int | None = int(data["guild_id"])

discord/state.py

@@ -775,21 +775,19 @@ def parse_message_delete_bulk(self, data) -> None:
                 self._messages.remove(msg)  # type: ignore
 
     def parse_message_update(self, data) -> None:
-        raw = RawMessageUpdateEvent(data)
-        message = self._get_message(raw.message_id)
-        if message is not None:
-            older_message = copy.copy(message)
-            raw.cached_message = older_message
-            self.dispatch("raw_message_edit", raw)
-            message._update(data)
-            # Coerce the `after` parameter to take the new updated Member
-            # ref: #5999
-            older_message.author = message.author
-            self.dispatch("message_edit", older_message, message)
+        old_message = self._get_message(raw.message_id)
+        if old_message is not None:
+            self._messages.remove(old_message)
+        channel, _ = self._get_guild_channel(data)
+        message = Message(channel=channel, data=data, state=self)
+        self._messages.append(message)
+        raw = RawMessageUpdateEvent(data, message)
+        self.dispatch("raw_message_edit", raw)
+        if old_message is not None:
+            self.dispatch("message_edit", old_message, message)
         else:
             if poll_data := data.get("poll"):
                 self.store_raw_poll(poll_data, raw)
-            self.dispatch("raw_message_edit", raw)
 
         if "components" in data and self._view_store.is_message_tracked(raw.message_id):
             self._view_store.update_from_message(raw.message_id, data["components"])