Python updates, news, and policy

[Joshua Root]

On 2021-12-29 01:14 , Renee Otten wrote:
> I am just wondering whether it would be worthwhile to add one more variable to the python PG, perhaps “python.pep517_backend” that would support the commonly used backends you mentioned (perhaps defaulting to setuptools) and add its required dependencies?

Good idea. Implemented in 
<https://github.com/macports/macports-ports/commit/f95cf35597e6d098cbdbcb5ea0807a2451590874>.

- Josh