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fix(signalr): fail to parse MessagePack-CSharp-Union | None type when protocol is msgpack

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This commit is contained in:
MingxuanGame
2025-08-08 06:25:31 +00:00
parent 2bb1e4bad2
commit fb0bba1a6e
1 changed files with 3 additions and 1 deletions
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4
app/signalr/packet.py
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@@ -242,7 +242,9 @@ class MsgpackProtocol:
# except `X (Other Type) | None` # except `X (Other Type) | None`
if NoneType in args and v is None: if NoneType in args and v is None:
return None return None
if not all(issubclass(arg, SignalRUnionMessage) for arg in args): if not all(
issubclass(arg, SignalRUnionMessage) or arg is NoneType for arg in args
):
raise ValueError( raise ValueError(
f"Cannot validate {v} to {typ}, " f"Cannot validate {v} to {typ}, "
"only SignalRUnionMessage subclasses are supported" "only SignalRUnionMessage subclasses are supported"