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refactor: SingleHandlerManager.subscribe #66

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Merged
remimd merged 1 commit into from
Nov 22, 2025
Merged

refactor: SingleHandlerManager.subscribe #66

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7 changes: 4 additions & 3 deletions cq/_core/handler.py
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Original file line number Diff line number Diff line change
Expand Up @@ -78,14 +78,15 @@ def handlers_from(
yield _make_handle_function(factory)

def subscribe(self, input_type: type[I], factory: HandlerFactory[[I], O]) -> Self:
for key_type in _build_key_types(input_type):
entries = {key_type: factory for key_type in _build_key_types(input_type)}

for key_type in entries:
if key_type in self.__factories:
raise RuntimeError(
f"A handler is already registered for the input type: `{key_type}`."
)

self.__factories[key_type] = factory

self.__factories.update(entries)
return self


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