Am 22.03.22 um 09:07 schrieb Stefan Monnier:
> [...]
> I don't really know how the two compare in functionality, but based on
> size, I'd guess that we'd end up with Emacs's python.el being the "core"
> mode and `python-mode.el` being the "derived" mode that provides
> extra features.  Depending on how things end up, the derived mode could
> be replaced with a minor mode.

An interesting idea, which may reduce the burden of maintenance on  both 
sides.

The point I'm afraid of: For example, if python-mode.el uses python.el's 
setup-code machinery, it might want to modify vars there.

Afterwards it will be not obvious, wherefrom values are set. For now 
there should be no conflict, beside of the name of the major-mode itself.

So, not sure if proceeding in that direction would make sense.

Best,

Andreas

> In any case, it's a non-trivial job which would require
> someone to figure out all the details.
>
>
>          Stefan
>
>