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typing: Use PEP 695 syntax in typing.py #104553

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Merged
merged 5 commits into from
May 17, 2023
Merged

typing: Use PEP 695 syntax in typing.py #104553

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e1ff413
typing: Use PEP 695 syntax in typing.py
JelleZijlstra May 16, 2023
16b0978
Use an alias, remove unnecessary _co suffix
JelleZijlstra May 16, 2023
655d6ac
Merge branch 'main' into use695
AlexWaygood May 16, 2023
754dda0
Better type for dataclass_transform
JelleZijlstra May 17, 2023
302f071
Merge remote-tracking branch 'upstream/main' into use695
JelleZijlstra May 17, 2023
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Use an alias, remove unnecessary _co suffix
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@JelleZijlstra
JelleZijlstra committed May 16, 2023
commit 16b09782f22be7b4d5c71898d3ed9a50bc380f86
13 changes: 8 additions & 5 deletions Lib/typing.py
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Expand Up @@ -2630,22 +2630,22 @@ def __index__(self) -> int:


@runtime_checkable
class SupportsAbs[T_co](Protocol):
class SupportsAbs[T](Protocol):
"""An ABC with one abstract method __abs__ that is covariant in its return type."""
__slots__ = ()

@abstractmethod
def __abs__(self) -> T_co:
def __abs__(self) -> T:
pass


@runtime_checkable
class SupportsRound[T_co](Protocol):
class SupportsRound[T](Protocol):
"""An ABC with one abstract method __round__ that is covariant in its return type."""
__slots__ = ()

@abstractmethod
def __round__(self, ndigits: int = 0) -> T_co:
def __round__(self, ndigits: int = 0) -> T:
pass


Expand Down Expand Up @@ -3287,7 +3287,10 @@ def decorator(cls_or_fn):
return decorator


def override[F: Callable[..., Any]](method: F, /) -> F:
type _Func = Callable[..., Any]


def override[F: _Func](method: F, /) -> F:
"""Indicate that a method is intended to override a method in a base class.

Usage:
Expand Down