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Fix _Pickle.reducer_override annotation #13545

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Fix _Pickle.reducer_override annotation #13545

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b4d0ced
Fix _Pickle.reducer_override annotation
srittau Feb 26, 2025
958ca6c
Return _ReducedType
srittau Feb 26, 2025
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5 changes: 4 additions & 1 deletion stdlib/pickle.pyi
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Original file line number Diff line number Diff line change
Expand Up @@ -204,7 +204,6 @@ class _Pickler:
dispatch_table: Mapping[type, Callable[[Any], _ReducedType]]
bin: bool # undocumented
dispatch: ClassVar[dict[type, Callable[[Unpickler, Any], None]]] # undocumented, _Pickler only
reducer_override: Callable[[Any], Any]
def __init__(
self,
file: SupportsWrite[bytes],
Expand All @@ -216,6 +215,10 @@ class _Pickler:
def dump(self, obj: Any) -> None: ...
def clear_memo(self) -> None: ...
def persistent_id(self, obj: Any) -> Any: ...
# The following method is not defined on _Pickler, but can be defined on
# sub-classes. Should return `NotImplemented` if pickling the supplied
# object is not supported and returns the same types as `__reduce__()`.
def reducer_override(self, obj: object, /) -> _ReducedType: ...

class _Unpickler:
dispatch: ClassVar[dict[int, Callable[[Unpickler], None]]] # undocumented, _Unpickler only
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