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functools: fix singledispatch (#4942)

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This is tricky, but should match the runtime logic better.

Fixes #4408
This commit is contained in:
Shantanu
2021-01-17 17:01:17 -08:00
committed by GitHub
parent 5df4c3d275
commit c4f3207437
1 changed files with 13 additions and 4 deletions
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17
stdlib/3/functools.pyi
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@@ -88,10 +88,17 @@ class partialmethod(Generic[_T]):
class _SingleDispatchCallable(Generic[_T]):
registry: Mapping[Any, Callable[..., _T]]
def dispatch(self, cls: Any) -> Callable[..., _T]: ...
# @fun.register(complex)
# def _(arg, verbose=False): ...
@overload
def register(self, cls: Any) -> Callable[[Callable[..., _T]], Callable[..., _T]]: ...
def register(self, cls: type, func: None = ...) -> Callable[[Callable[..., _T]], Callable[..., _T]]: ...
# @fun.register
# def _(arg: int, verbose=False):
@overload
def register(self, cls: Any, func: Callable[..., _T]) -> Callable[..., _T]: ...
def register(self, cls: Callable[..., _T], func: None = ...) -> Callable[..., _T]: ...
# fun.register(int, lambda x: x)
@overload
def register(self, cls: Type, func: Callable[..., _T]) -> Callable[..., _T]: ...
def _clear_cache(self) -> None: ...
def __call__(self, *args: Any, **kwargs: Any) -> _T: ...
@@ -103,9 +110,11 @@ if sys.version_info >= (3, 8):
func: Callable[..., _T]
def __init__(self, func: Callable[..., _T]) -> None: ...
@overload
def register(self, cls: Any, method: None = ...) -> Callable[[Callable[..., _T]], Callable[..., _T]]: ...
def register(self, cls: Type, method: None = ...) -> Callable[[Callable[..., _T]], Callable[..., _T]]: ...
@overload
def register(self, cls: Any, method: Callable[..., _T]) -> Callable[..., _T]: ...
def register(self, cls: Callable[..., _T], method: None = ...) -> Callable[..., _T]: ...
@overload
def register(self, cls: Type, method: Callable[..., _T]) -> Callable[..., _T]: ...
def __call__(self, *args: Any, **kwargs: Any) -> _T: ...
class cached_property(Generic[_T]):
func: Callable[[Any], _T]