Mark all packets as final

changes/53.internal.md

@@ -0,0 +1 @@
+Mark all packet classes as `typing.final`, making the type-checker enforce existence of concrete implementations for all abstract methods.

mcproto/packets/v757/handshaking/handshake.py

@@ -1,7 +1,7 @@
 from __future__ import annotations
 
 from enum import IntEnum
-from typing import ClassVar, Union
+from typing import ClassVar, Union, final
 
 from typing_extensions import Self
 
@@ -20,6 +20,7 @@ class NextState(IntEnum):
     LOGIN = 2
 
 
+@final
 class Handshake(ServerBoundPacket):
     """Initializes connection between server and client. (Client -> Server)"""
 

mcproto/packets/v757/status/ping.py

@@ -1,6 +1,6 @@
 from __future__ import annotations
 
-from typing import ClassVar
+from typing import ClassVar, final
 
 from typing_extensions import Self
 
@@ -11,6 +11,7 @@
 __all__ = ["PingPong"]
 
 
+@final
 class PingPong(ClientBoundPacket, ServerBoundPacket):
     """Ping request/Pong response (Server <-> Client)."""
 

mcproto/packets/v757/status/status.py

@@ -1,7 +1,7 @@
 from __future__ import annotations
 
 import json
-from typing import Any, ClassVar
+from typing import Any, ClassVar, final
 
 from typing_extensions import Self
 
@@ -11,6 +11,7 @@
 __all__ = ["StatusRequest", "StatusResponse"]
 
 
+@final
 class StatusRequest(ServerBoundPacket):
     """Request from the client to get information on the server. (Client -> Server)"""
 
@@ -27,6 +28,7 @@ def deserialize(cls, buf: Buffer, /) -> Self:  # pragma: no cover, nothing to te
         return cls()
 
 
+@final
 class StatusResponse(ClientBoundPacket):
     """Response from the server to requesting client with status data information. (Server -> Client)"""