JS port of CPython's argparse — PSF-2.0 instead of Python-2.0.1?

[Vitaly]

Hi,

https://github.com/nodeca/argparse is a JavaScript port of CPython's Lib/argparse.py.
It carries CPython's full license stack, which a Fedora packager ran into:
https://github.com/nodeca/argparse/pull/188

argparse was added to CPython in 2010 under the PSF Contributor Agreement, so none of
the ported code comes from the CWI, CNRI or BeOpen eras.

Can the port be licensed as PSF-2.0 alone, or does CPython-derived code have to carry
the whole stack?

Thanks,
Vitaly Puzrin

[Richard Fontana]

On Tue, Aug 18, 2026 at 12:38 PM Vitaly via legal
 wrote:
> Hi,
>
> https://github.com/nodeca/argparse is a JavaScript port of CPython's Lib/argparse.py.
> It carries CPython's full license stack, which a Fedora packager ran into:
> https://github.com/nodeca/argparse/pull/188
>
> argparse was added to CPython in 2010 under the PSF Contributor Agreement, so none of
> the ported code comes from the CWI, CNRI or BeOpen eras.
>
> Can the port be licensed as PSF-2.0 alone, or does CPython-derived code have to carry
> the whole stack?

I've responded upstream:
https://github.com/nodeca/argparse/pull/188#issuecomment-5331438349

Richard