Enum _ignore_'d names and private names are treated like normal members #18491

from enum import Enum
from typing import TYPE_CHECKING


class Foo(Enum):
    __str__ = lambda self: "blah"
    _ignore_ = ["ignored"]
    ignored = lambda _: "blah"
    _Foo__private = lambda _: "blah"


print(Foo.__members__)  # {}

print(Foo.__str__)  # <function Foo.<lambda> at 0x...>
if TYPE_CHECKING:
    reveal_type(Foo.__str__)  # note: Revealed type is "def () -> builtins.str" ✅

print(hasattr(Foo, "_ignore_"))  # False
if TYPE_CHECKING:
    reveal_type(Foo._ignore_)  # error: "type[Foo]" has no attribute "_ignore_"  [attr-defined] ✅

print(hasattr(Foo, "ignored"))  # False
if TYPE_CHECKING:
    reveal_type(Foo.ignored)  # note: Revealed type is "Literal[__main__.Foo.ignored]?" ❌

print(Foo._Foo__private)  # <function Foo.<lambda> at 0x...>
if TYPE_CHECKING:
    reveal_type(Foo._Foo__private)  # note: Revealed type is "Literal[__main__.Foo._Foo__private]?" ❌