I conclude my writing style has not helped soliciting responses.

I would appreciate them.

Summary - what I would like to say - is that there are platforms that
have been successful in applying PEP425's definitions of tagging Python
and modules.

Looking at the modules pip and wheel I can verify it is already possible
to build and install wheels on AIX. However, the tag provided by CPython
is inadequate for "pip wheel" to create a wheel that could be used,
safely, by AIX on a different OS level. I use the term safely because it
might work, but it is just as likely that it will not.

Even if the PEP425 tag for AIX is not used in ways similar to ways that
macOS and linux1 tags are used (supporting multiple OS levels) a better
tag is needed to "stamp" the current ABI characteristics - including 32
or 64 bit (or perhaps both). For simplicity I would start with
"bit-signed" tags.

Please note: while AIX may not be the most popular platform to develop
on - there are Python based applications that are used on AIX. The lack
of certain behaviors that are taken for granted on other platforms
hampers admins, architects and businesses that wish to use Python apps
in a heterogeneous environment.

Thank you for your comments!

Michael

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