From 830858cde8c67fcb4e2a5884be389a4107369e5b Mon Sep 17 00:00:00 2001
From: Rapptz <rapptz@gmail.com>
Date: Sun, 28 Sep 2025 13:17:54 -0400
Subject: [PATCH] Add MessageType.is_deletable to fix Messageable.purge failing

Fix #10319
---
 discord/abc.py   |  3 +++
 discord/enums.py | 10 ++++++++++
 docs/api.rst     |  9 +++++++++
 3 files changed, 22 insertions(+)

diff --git a/discord/abc.py b/discord/abc.py
index 535c70aba..5f06fb1ce 100644
--- a/discord/abc.py
+++ b/discord/abc.py
@@ -195,6 +195,9 @@ async def _purge_helper(
             count = 0
             await asyncio.sleep(1)
 
+        if not message.type.is_deletable():
+            continue
+
         if not check(message):
             continue
 
diff --git a/discord/enums.py b/discord/enums.py
index 0f1d02695..d691e6b48 100644
--- a/discord/enums.py
+++ b/discord/enums.py
@@ -279,6 +279,16 @@ class MessageType(Enum):
     poll_result = 46
     emoji_added = 63
 
+    def is_deletable(self) -> bool:
+        return self not in {
+            MessageType.recipient_add,
+            MessageType.recipient_remove,
+            MessageType.call,
+            MessageType.channel_name_change,
+            MessageType.channel_icon_change,
+            MessageType.thread_starter_message,
+        }
+
 
 class SpeakingState(Enum):
     none = 0
diff --git a/docs/api.rst b/docs/api.rst
index 1a8365d81..495636b12 100644
--- a/docs/api.rst
+++ b/docs/api.rst
@@ -1732,6 +1732,15 @@ of :class:`enum.Enum`.
 
           Checks if two messages are not equal.
 
+    .. method:: is_deletable()
+
+        Checks if the message type is deletable, as some system messages cannot be deleted.
+
+        .. versionadded:: 2.7
+
+        :return: A boolean denoting if the message type is deletable.
+        :rtype: :class:`bool`
+
     .. attribute:: default
 
         The default message type. This is the same as regular messages.