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TypeAliasType.__type_params__ can return forms from typing_extensions #14848

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Merged
merged 1 commit into from
Oct 7, 2025
+11 −16
Merged

TypeAliasType.__type_params__ can return forms from typing_extensions #14848

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27 changes: 11 additions & 16 deletions stdlib/typing.pyi
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Original file line number Diff line number Diff line change
Expand Up @@ -1133,28 +1133,23 @@ if sys.version_info >= (3, 10):
def _type_repr(obj: object) -> str: ...

if sys.version_info >= (3, 12):
_TypeParameter: typing_extensions.TypeAlias = (
TypeVar
| typing_extensions.TypeVar
| ParamSpec
| typing_extensions.ParamSpec
| TypeVarTuple
| typing_extensions.TypeVarTuple
)

def override(method: _F, /) -> _F: ...
@final
class TypeAliasType:
def __new__(
cls,
name: str,
value: Any,
*,
type_params: tuple[
TypeVar
| typing_extensions.TypeVar
| ParamSpec
| typing_extensions.ParamSpec
| TypeVarTuple
| typing_extensions.TypeVarTuple,
...,
] = (),
) -> Self: ...
def __new__(cls, name: str, value: Any, *, type_params: tuple[_TypeParameter, ...] = ()) -> Self: ...
@property
def __value__(self) -> Any: ... # AnnotationForm
@property
def __type_params__(self) -> tuple[TypeVar | ParamSpec | TypeVarTuple, ...]: ...
def __type_params__(self) -> tuple[_TypeParameter, ...]: ...
@property
def __parameters__(self) -> tuple[Any, ...]: ... # AnnotationForm
@property
Expand Down