typeshed uses Any:

https://github.com/python/typeshed/blob/main/stdlib/types.pyi#L329-335

As noted in the PR, SimpleNamespace appears to need a plugin to understand specific types of the arguments/keys. It would be a good chance to raise an issue for mypy.

On Fri, Aug 18, 2023, 05:08 Paul Moore <p.f.moore@gmail.com> wrote:

On Fri, 18 Aug 2023 at 08:35, Ran Benita via Typing-sig <typing-sig@python.org> wrote:

The traditional way plugins did this was to use an attribute on the

`item`:

    def pytest_runtest_setup(item: pytest.Item) -> None:

        item.my_plugin_attr = MyPluginAttrType(...)

    def pytest_runtest_teardown(item: pytest.Item) -> None:

        use_my_attr(item.my_plugin_attr)

        # Maybe

        del item.my_plugin_attr

The problem with this is that type checkers are not aware of

`my_plugin_attr` and they complain. To make things clean for type

checkers, and type safe (no casts/asserts) an alternative solution is

needed.

This sounds very much like `types.SimpleNamespace`. So maybe you could look at how typeshed annotates that type?

Paul

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