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Use ParamSpec for lru_cache #11662

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Use ParamSpec for lru_cache #11662

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ad8bcf8
Use ParamSpec for lru_cache
cdce8p Mar 26, 2024
aa7d960
Use Self
cdce8p Mar 26, 2024
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17 changes: 9 additions & 8 deletions stdlib/functools.pyi
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Original file line number Diff line number Diff line change
Expand Up @@ -30,6 +30,7 @@ if sys.version_info >= (3, 9):
_T = TypeVar("_T")
_T_co = TypeVar("_T_co", covariant=True)
_S = TypeVar("_S")
_P = ParamSpec("_P")
_PWrapped = ParamSpec("_PWrapped")
_RWrapped = TypeVar("_RWrapped")
_PWrapper = ParamSpec("_PWrapper")
Expand All @@ -52,21 +53,21 @@ if sys.version_info >= (3, 9):
typed: bool

@final
class _lru_cache_wrapper(Generic[_T]):
__wrapped__: Callable[..., _T]
def __call__(self, *args: Hashable, **kwargs: Hashable) -> _T: ...
class _lru_cache_wrapper(Generic[_P, _T]):
__wrapped__: Callable[_P, _T]
def __call__(self, *args: _P.args, **kwargs: _P.kwargs) -> _T: ...
def cache_info(self) -> _CacheInfo: ...
def cache_clear(self) -> None: ...
if sys.version_info >= (3, 9):
def cache_parameters(self) -> _CacheParameters: ...

def __copy__(self) -> _lru_cache_wrapper[_T]: ...
def __deepcopy__(self, memo: Any, /) -> _lru_cache_wrapper[_T]: ...
def __copy__(self) -> Self: ...
def __deepcopy__(self, memo: Any, /) -> Self: ...

@overload
def lru_cache(maxsize: int | None = 128, typed: bool = False) -> Callable[[Callable[..., _T]], _lru_cache_wrapper[_T]]: ...
def lru_cache(maxsize: int | None = 128, typed: bool = False) -> Callable[[Callable[_P, _T]], _lru_cache_wrapper[_P, _T]]: ...
@overload
def lru_cache(maxsize: Callable[..., _T], typed: bool = False) -> _lru_cache_wrapper[_T]: ...
def lru_cache(maxsize: Callable[_P, _T], typed: bool = False) -> _lru_cache_wrapper[_P, _T]: ...

if sys.version_info >= (3, 12):
WRAPPER_ASSIGNMENTS: tuple[
Expand Down Expand Up @@ -199,7 +200,7 @@ class cached_property(Generic[_T_co]):
def __class_getitem__(cls, item: Any) -> GenericAlias: ...

if sys.version_info >= (3, 9):
def cache(user_function: Callable[..., _T], /) -> _lru_cache_wrapper[_T]: ...
def cache(user_function: Callable[_P, _T], /) -> _lru_cache_wrapper[_P, _T]: ...

def _make_key(
args: tuple[Hashable, ...],
Expand Down