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Update typing.Union and types.UnionType definitions for 3.14 #13740

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Update typing.Union and types.UnionType definitions for 3.14 #13740

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c7ec215
Update `typing.Union` and `types.UnionType` definitions for 3.14
Viicos Mar 29, 2025
0069252
Merge branch 'main' into union-314
Viicos May 15, 2025
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27 changes: 15 additions & 12 deletions stdlib/types.pyi
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Original file line number Diff line number Diff line change
Expand Up @@ -16,7 +16,7 @@ from collections.abc import (
ValuesView,
)
from importlib.machinery import ModuleSpec
from typing import Any, ClassVar, Literal, TypeVar, final, overload
from typing import Any, ClassVar, Literal, TypeVar, Union, final, overload
from typing_extensions import ParamSpec, Self, TypeAliasType, TypeVarTuple, deprecated

if sys.version_info >= (3, 14):
Expand Down Expand Up @@ -675,17 +675,9 @@ class GenericAlias:
# GenericAlias delegates attr access to `__origin__`
def __getattr__(self, name: str) -> Any: ...

if sys.version_info >= (3, 10):
@final
class NoneType:
def __bool__(self) -> Literal[False]: ...

@final
class EllipsisType: ...

from builtins import _NotImplementedType

NotImplementedType = _NotImplementedType
if sys.version_info >= (3, 14):
UnionType = Union
elif sys.version_info >= (3, 10):
@final
class UnionType:
@property
Expand All @@ -697,6 +689,17 @@ if sys.version_info >= (3, 10):
def __eq__(self, value: object, /) -> bool: ...
def __hash__(self) -> int: ...

@final
class NoneType:
def __bool__(self) -> Literal[False]: ...

@final
class EllipsisType: ...

from builtins import _NotImplementedType

NotImplementedType = _NotImplementedType

if sys.version_info >= (3, 13):
@final
class CapsuleType: ...
17 changes: 16 additions & 1 deletion stdlib/typing.pyi
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Original file line number Diff line number Diff line change
Expand Up @@ -235,7 +235,22 @@ class _SpecialForm(_Final):
def __or__(self, other: Any) -> _SpecialForm: ...
def __ror__(self, other: Any) -> _SpecialForm: ...

Union: _SpecialForm
if sys.version_info >= (3, 14):
@final
class Union:
@property
def __args__(self) -> tuple[Any, ...]: ...
@property
def __parameters__(self) -> tuple[Any, ...]: ...
def __or__(self, value: Any, /) -> UnionType: ...
def __ror__(self, value: Any, /) -> UnionType: ...
def __eq__(self, value: object, /) -> bool: ...
def __hash__(self) -> int: ...
def __class_getitem__(cls, item: Any) -> Self: ...

else:
Union: _SpecialForm

Generic: _SpecialForm
Protocol: _SpecialForm
Callable: _SpecialForm
Expand Down
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