Generic descriptors with a deprecated __get__ overload #18323

from typing import Any, Generic, TypeVar, overload

from typing_extensions import deprecated

T = TypeVar("T")


class Works:
    @overload
    def __get__(self, instance: None, objtype: Any) -> int: ...
    @overload
    @deprecated(
        "Accessing this attribute on the instance is deprecated",
        category=None,
    )
    def __get__(self, instance: 'Class', objtype: Any) -> int: ...


class Fails(Generic[T]):
    @overload
    def __get__(self, instance: None, objtype: Any) -> T: ...
    @overload
    @deprecated(
        "Accessing this attribute on the instance is deprecated",
        category=None,
    )
    def __get__(self, instance: 'Class', objtype: Any) -> T: ...


class Class:
    works = Works()
    fails = Fails[int]()


Class().works
Class().fails