Fixed #3315: gif stickers are now rendered correctly, allow bare stic…

…ker reply/note

CHANGELOG.md

@@ -11,6 +11,7 @@ however, insignificant breaking changes do not guarantee a major version bump, s
 Drops support for Python 3.9. Python 3.10 and Python 3.11 are now the only supported versions.
 
 ### Fixed
+- GIF stickers causes the bot to crash.
 - `?alias make/create` as aliases to `?alias add`. This improves continuity between the bot and its command structure. ([PR #3195](https://github.com/kyb3r/modmail/pull/3195))
 - Loading the blocked list with the `?blocked` command takes a long time when the list is large. ([PR #3242](https://github.com/kyb3r/modmail/pull/3242))
 - Reply not being forwarded from DM. (PR [#3239](https://github.com/modmail-dev/modmail/pull/3239))
@@ -33,6 +34,7 @@ Drops support for Python 3.9. Python 3.10 and Python 3.11 are now the only suppo
 ### Changed
 - Repo moved to https://github.com/modmail-dev/modmail.
 - Channel name no longer shows `-0` if the user has migrated to the new username system.
+- `?note` and `?reply` now allows you to send a sticker without any message.
 - Guild icons in embed footers and author urls now have a fixed size of 128. ([PR #3261](https://github.com/modmail-dev/modmail/pull/3261))
 - Discord.py internal logging is now enabled by default. ([PR #3216](https://github.com/modmail-dev/Modmail/pull/3216))
 - The confirm-thread-creation dialog now uses buttons instead of reactions. ([PR #3273](https://github.com/modmail-dev/Modmail/pull/3273))

core/thread.py

@@ -800,7 +800,7 @@ async def edit_dm_message(self, message: discord.Message, content: str) -> None:
     async def note(
         self, message: discord.Message, persistent=False, thread_creation=False
     ) -> discord.Message:
-        if not message.content and not message.attachments:
+        if not message.content and not message.attachments and not message.stickers:
             raise MissingRequiredArgument(DummyParam("msg"))
 
         msg = await self.send(
@@ -821,7 +821,7 @@ async def reply(
         self, message: discord.Message, anonymous: bool = False, plain: bool = False
     ) -> typing.Tuple[typing.List[discord.Message], discord.Message]:
         """Returns List[user_dm_msg] and thread_channel_msg"""
-        if not message.content and not message.attachments:
+        if not message.content and not message.attachments and not message.stickers:
             raise MissingRequiredArgument(DummyParam("msg"))
         if not any(g.get_member(self.id) for g in self.bot.guilds):
             return await message.channel.send(
@@ -1020,8 +1020,14 @@ def lottie_to_png(data):
                 return stream.read()
 
         for i in message.stickers:
-            if i.format in (discord.StickerFormatType.png, discord.StickerFormatType.apng):
-                images.append((i.url, i.name, True))
+            if i.format in (
+                discord.StickerFormatType.png,
+                discord.StickerFormatType.apng,
+                discord.StickerFormatType.gif,
+            ):
+                images.append(
+                    (f"https://media.discordapp.net/stickers/{i.id}.{i.format.file_extension}", i.name, True)
+                )
             elif i.format == discord.StickerFormatType.lottie:
                 # save the json lottie representation
                 try: