Adds missing __dir__ definitions (#8479)

stdlib/concurrent/futures/__init__.pyi

@@ -32,3 +32,5 @@ __all__ = (
     "ProcessPoolExecutor",
     "ThreadPoolExecutor",
 )
+
+def __dir__() -> tuple[str, ...]: ...

stdlib/enum.pyi

@@ -109,6 +109,7 @@ class EnumMeta(ABCMeta):
     def __members__(self: type[_EnumMemberT]) -> types.MappingProxyType[str, _EnumMemberT]: ...
     def __len__(self) -> int: ...
     def __bool__(self) -> Literal[True]: ...
+    def __dir__(self) -> list[str]: ...
     # Simple value lookup
     @overload  # type: ignore[override]
     def __call__(cls: type[_EnumMemberT], value: Any, names: None = ...) -> _EnumMemberT: ...

stdlib/unittest/__init__.pyi

@@ -66,3 +66,4 @@ if sys.version_info >= (3, 11):
     __all__ += ["enterModuleContext", "doModuleCleanups"]
 
 def load_tests(loader: TestLoader, tests: TestSuite, pattern: str | None) -> TestSuite: ...
+def __dir__() -> set[str]: ...

stdlib/unittest/mock.pyi

@@ -121,6 +121,7 @@ class NonCallableMock(Base, Any):
     def __getattr__(self, name: str) -> Any: ...
     def __delattr__(self, name: str) -> None: ...
     def __setattr__(self, name: str, value: Any) -> None: ...
+    def __dir__(self) -> list[str]: ...
     if sys.version_info >= (3, 8):
         def _calls_repr(self, prefix: str = ...) -> str: ...
         def assert_called_with(self, *args: Any, **kwargs: Any) -> None: ...

stdlib/zoneinfo/__init__.pyi

@@ -30,3 +30,5 @@ TZPATH: Sequence[str]
 
 class ZoneInfoNotFoundError(KeyError): ...
 class InvalidTZPathWarning(RuntimeWarning): ...
+
+def __dir__() -> list[str]: ...