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lru_cache preserves signature of wrapped function (#6221)

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Update pytype for a fix to ParamSpec as argument to Generic
This commit is contained in:
Tomaz-Vieira
2021-11-03 10:08:52 +01:00
committed by GitHub
parent 59dfea08c3
commit 8bda66a737
2 changed files with 10 additions and 8 deletions
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16
stdlib/functools.pyi
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@@ -2,6 +2,7 @@ import sys
import types
from _typeshed import SupportsItems, SupportsLessThan
from typing import Any, Callable, Generic, Hashable, Iterable, NamedTuple, Sequence, Set, Sized, Tuple, Type, TypeVar, overload
from typing_extensions import ParamSpec
if sys.version_info >= (3, 9):
from types import GenericAlias
@@ -10,6 +11,7 @@ _AnyCallable = Callable[..., Any]
_T = TypeVar("_T")
_S = TypeVar("_S")
_P = ParamSpec("_P")
@overload
def reduce(function: Callable[[_T, _S], _T], sequence: Iterable[_S], initial: _T) -> _T: ...
@@ -22,20 +24,20 @@ class _CacheInfo(NamedTuple):
maxsize: int
currsize: int
class _lru_cache_wrapper(Generic[_T]):
__wrapped__: Callable[..., _T]
def __call__(self, *args: Hashable, **kwargs: Hashable) -> _T: ...
class _lru_cache_wrapper(Generic[_P, _T]): # type: ignore
__wrapped__: Callable[_P, _T] # type: ignore
def __call__(self, *args: _P.args, **kwargs: _P.kwargs) -> _T: ... # type: ignore
def cache_info(self) -> _CacheInfo: ...
def cache_clear(self) -> None: ...
if sys.version_info >= (3, 8):
@overload
def lru_cache(maxsize: int | None = ..., typed: bool = ...) -> Callable[[Callable[..., _T]], _lru_cache_wrapper[_T]]: ...
def lru_cache(maxsize: int | None = ..., typed: bool = ...) -> Callable[[Callable[_P, _T]], _lru_cache_wrapper[_P, _T]]: ... # type: ignore
@overload
def lru_cache(maxsize: Callable[..., _T], typed: bool = ...) -> _lru_cache_wrapper[_T]: ...
def lru_cache(maxsize: Callable[_P, _T], typed: bool = ...) -> _lru_cache_wrapper[_P, _T]: ... # type: ignore
else:
def lru_cache(maxsize: int | None = ..., typed: bool = ...) -> Callable[[Callable[..., _T]], _lru_cache_wrapper[_T]]: ...
def lru_cache(maxsize: int | None = ..., typed: bool = ...) -> Callable[[Callable[_P, _T]], _lru_cache_wrapper[_P, _T]]: ... # type: ignore
WRAPPER_ASSIGNMENTS: Sequence[str]
WRAPPER_UPDATES: Sequence[str]
@@ -115,7 +117,7 @@ if sys.version_info >= (3, 8):
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]: ... # type: ignore
def _make_key(
args: Tuple[Hashable, ...],