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[types] Make MethodType generic #15993

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[types] Make MethodType generic #15993

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17 changes: 9 additions & 8 deletions stdlib/types.pyi
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Original file line number Diff line number Diff line change
Expand Up @@ -17,7 +17,7 @@ from collections.abc import (
ValuesView,
)
from importlib.machinery import ModuleSpec
from typing import Any, ClassVar, Literal, ParamSpec, TypeVar, final, overload
from typing import Any, ClassVar, Generic, Literal, ParamSpec, TypeVar, final, overload
from typing_extensions import Self, TypeAliasType, TypeVarTuple, deprecated, disjoint_base

if sys.version_info >= (3, 14):
Expand Down Expand Up @@ -70,8 +70,13 @@ if sys.version_info >= (3, 15):

_T1 = TypeVar("_T1")
_T2 = TypeVar("_T2")
_P = ParamSpec("_P")
_P_default = ParamSpec("_P_default", default=...)
_R = TypeVar("_R")
_R_default = TypeVar("_R_default", default=Any)
_KT_co = TypeVar("_KT_co", covariant=True)
_VT_co = TypeVar("_VT_co", covariant=True)
_Fn = TypeVar("_Fn", bound=Callable[..., object])

# Make sure this class definition stays roughly in line with `builtins.function`
@final
Expand Down Expand Up @@ -461,7 +466,7 @@ class CoroutineType(Coroutine[_YieldT_co, _SendT_nd_contra, _ReturnT_nd_co]):
def __class_getitem__(cls, item: Any, /) -> Any: ...

@final
class MethodType:
class MethodType(Generic[_P_default, _R_default]):
@property
def __closure__(self) -> tuple[CellType, ...] | None: ... # inherited from the added function
@property
Expand All @@ -476,8 +481,8 @@ class MethodType:
def __name__(self) -> str: ... # inherited from the added function
@property
def __qualname__(self) -> str: ... # inherited from the added function
def __new__(cls, func: Callable[..., Any], instance: object, /) -> Self: ...
def __call__(self, *args: Any, **kwargs: Any) -> Any: ...
def __new__(cls, func: Callable[_P_default, _R_default], instance: object, /) -> Self: ...
def __call__(self, *args: _P_default.args, **kwargs: _P_default.kwargs) -> _R_default: ...

if sys.version_info >= (3, 13):
def __get__(self, instance: object, owner: type | None = None, /) -> Self: ...
Expand Down Expand Up @@ -674,10 +679,6 @@ class DynamicClassAttribute(property):
def setter(self, fset: Callable[[Any, Any], object]) -> DynamicClassAttribute: ...
def deleter(self, fdel: Callable[[Any], object]) -> DynamicClassAttribute: ...

_Fn = TypeVar("_Fn", bound=Callable[..., object])
_R = TypeVar("_R")
_P = ParamSpec("_P")

# it's not really an Awaitable, but can be used in an await expression. Real type: Generator & Awaitable
@overload
def coroutine(func: Callable[_P, Generator[Any, Any, _R]]) -> Callable[_P, Awaitable[_R]]: ...
Expand Down
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