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Abstractset reflected dunders #16609

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Abstractset reflected dunders #16609

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2e66e09
Add reflected set operators to `AbstractSet`
tqa236 Oct 24, 2026
ceb79fc
Mirror `set` overloads for `_BaseSetProxy` reflected operators
tqa236 Oct 24, 2026
afdcc84
[boltons] Ignore `IndexedSet.__rsub__` override
tqa236 Oct 24, 2026
d057917
[pre-commit.ci] auto fixes from pre-commit.com hooks
pre-commit-ci[bot] Oct 24, 2026
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16 changes: 8 additions & 8 deletions stdlib/builtins.pyi
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Original file line number Diff line number Diff line change
Expand Up @@ -1456,31 +1456,31 @@ class set(MutableSet[_T]):
def __and__(self, value: AbstractSet[object], /) -> set[_T]: ...
def __iand__(self, value: AbstractSet[object], /) -> Self: ...

@overload
@overload # type: ignore[override]
def __rand__(self, value: set[_S], /) -> set[_S]: ...
@overload
def __rand__(self, value: frozenset[_S], /) -> frozenset[_S]: ...

def __or__(self, value: AbstractSet[_S], /) -> set[_T | _S]: ...
def __ior__(self, value: AbstractSet[_T], /) -> Self: ... # type: ignore[override,misc]

@overload
@overload # type: ignore[override]
def __ror__(self, value: set[_S], /) -> set[_T | _S]: ...
@overload
def __ror__(self, value: frozenset[_S], /) -> frozenset[_T | _S]: ...

def __sub__(self, value: AbstractSet[object], /) -> set[_T]: ...
def __isub__(self, value: AbstractSet[object], /) -> Self: ...

@overload
@overload # type: ignore[override]
def __rsub__(self, value: set[_S], /) -> set[_S]: ...
@overload
def __rsub__(self, value: frozenset[_S], /) -> frozenset[_S]: ...

def __xor__(self, value: AbstractSet[_S], /) -> set[_T | _S]: ...
def __ixor__(self, value: AbstractSet[_T], /) -> Self: ... # type: ignore[override,misc]

@overload
@overload # type: ignore[override]
def __rxor__(self, value: set[_S], /) -> set[_T | _S]: ...
@overload
def __rxor__(self, value: frozenset[_S], /) -> frozenset[_T | _S]: ...
Expand Down Expand Up @@ -1513,28 +1513,28 @@ class frozenset(AbstractSet[_T_co]):
def __iter__(self) -> Iterator[_T_co]: ...
def __and__(self, value: AbstractSet[object], /) -> frozenset[_T_co]: ...

@overload
@overload # type: ignore[override]
def __rand__(self, value: set[_S], /) -> set[_S]: ...
@overload
def __rand__(self, value: frozenset[_S], /) -> frozenset[_S]: ...

def __or__(self, value: AbstractSet[_S], /) -> frozenset[_T_co | _S]: ...

@overload
@overload # type: ignore[override]
def __ror__(self, value: set[_S], /) -> set[_T_co | _S]: ...
@overload
def __ror__(self, value: frozenset[_S], /) -> frozenset[_T_co | _S]: ...

def __sub__(self, value: AbstractSet[object], /) -> frozenset[_T_co]: ...

@overload
@overload # type: ignore[override]
def __rsub__(self, value: set[_S], /) -> set[_S]: ...
@overload
def __rsub__(self, value: frozenset[_S], /) -> frozenset[_S]: ...

def __xor__(self, value: AbstractSet[_S], /) -> frozenset[_T_co | _S]: ...

@overload
@overload # type: ignore[override]
def __rxor__(self, value: set[_S], /) -> set[_T_co | _S]: ...
@overload
def __rxor__(self, value: frozenset[_S], /) -> frozenset[_T_co | _S]: ...
Expand Down
25 changes: 21 additions & 4 deletions stdlib/multiprocessing/managers.pyi
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Expand Up @@ -192,10 +192,27 @@ if sys.version_info >= (3, 14):
def __ge__(self, value: AbstractSet[object], /) -> bool: ...
def __gt__(self, value: AbstractSet[object], /) -> bool: ...
def __eq__(self, value: object, /) -> bool: ...
def __rand__(self, value: AbstractSet[object], /) -> set[_T]: ...
def __ror__(self, value: AbstractSet[_S], /) -> set[_T | _S]: ... # type: ignore[misc]
def __rsub__(self, value: AbstractSet[_T], /) -> set[_T]: ...
def __rxor__(self, value: AbstractSet[_S], /) -> set[_T | _S]: ... # type: ignore[misc]

@overload # type: ignore[override]
def __rand__(self, value: set[_S], /) -> set[_S]: ...
@overload
def __rand__(self, value: frozenset[_S], /) -> frozenset[_S]: ...

@overload # type: ignore[override]
def __ror__(self, value: set[_S], /) -> set[_T | _S]: ...
@overload
def __ror__(self, value: frozenset[_S], /) -> frozenset[_T | _S]: ...

@overload # type: ignore[override]
def __rsub__(self, value: set[_S], /) -> set[_S]: ...
@overload
def __rsub__(self, value: frozenset[_S], /) -> frozenset[_S]: ...

@overload # type: ignore[override]
def __rxor__(self, value: set[_S], /) -> set[_T | _S]: ...
@overload
def __rxor__(self, value: frozenset[_S], /) -> frozenset[_T | _S]: ...

def __class_getitem__(cls, item: Any, /) -> GenericAlias: ...

class SetProxy(_BaseSetProxy[_T]): ...
Expand Down
4 changes: 4 additions & 0 deletions stdlib/typing.pyi
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Original file line number Diff line number Diff line change
Expand Up @@ -741,9 +741,13 @@ class AbstractSet(Collection[_T_co]):
def __gt__(self, other: AbstractSet[Any], /) -> bool: ...
def __ge__(self, other: AbstractSet[Any], /) -> bool: ...
def __and__(self, other: AbstractSet[Any], /) -> AbstractSet[_T_co]: ...
def __rand__(self, other: AbstractSet[_T], /) -> AbstractSet[_T]: ...
def __or__(self, other: AbstractSet[_T], /) -> AbstractSet[_T_co | _T]: ...
def __ror__(self, other: AbstractSet[_T], /) -> AbstractSet[_T_co | _T]: ...
def __sub__(self, other: AbstractSet[Any], /) -> AbstractSet[_T_co]: ...
def __rsub__(self, other: AbstractSet[_T], /) -> AbstractSet[_T]: ...
def __xor__(self, other: AbstractSet[_T], /) -> AbstractSet[_T_co | _T]: ...
def __rxor__(self, other: AbstractSet[_T], /) -> AbstractSet[_T_co | _T]: ...
def __eq__(self, other: object, /) -> bool: ...
def isdisjoint(self, other: Iterable[Any], /) -> bool: ...

Expand Down
2 changes: 1 addition & 1 deletion stubs/boltons/boltons/setutils.pyi
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Expand Up @@ -40,7 +40,7 @@ class IndexedSet(MutableSet[Any]):
# __sub__ = difference
# __xor__ = symmetric_difference
__rxor__ = symmetric_difference
def __rsub__(self, other: _RSub[_T_co]) -> _RSub[_T_co]: ...
def __rsub__(self, other: _RSub[_T_co]) -> _RSub[_T_co]: ... # type: ignore[override]
def update(self, *others: Iterable[Any]) -> None: ...
def intersection_update(self, *others: Iterable[Any]) -> None: ...
def difference_update(self, *others: Container[Any]) -> None: ...
Expand Down
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