PR waiting until python/cpython#108032 is merged in Python upstream.

Hey!

I have a related question but it is not 100% about this PR so feel free to delete if you think this is not the right place to ask.

There have been quite a few discussions related to Py_IsFinalizing and Py_Initialized and how to use them to ensure graceful exit when c++ keeps things alive past python runtime lifetime.
https://github.com/pytorch/pytorch/blob/589072afa1a196270b0298460c1f419e209da6ea/torch/csrc/utils/pybind.h#L178-L185

Is this comment still accurate for the latest version of CPython? Should we update our use of these functions to use the new public API being introduced?

Is this comment still accurate for the latest version of CPython?

I don't know. This PR is on the pythoncapi-compat project, not the Python project.

I dug into PyPy tarball releases to check which version added Py_IsFinalizing(): it's PyPy 7.3. Sadly, on GitHub Actions we only tests versions newer than PyPy 7.3.0: PyPy 7.2 and older are not tested.