[issue45847] Port module setup to PY_STDLIB_MOD() macro and addext()

[Erlend E. Aasland]

Change by Erlend E. Aasland <erlend.aasland at innova.no>:


----------
pull_requests: +27948
pull_request: https://github.com/python/cpython/pull/29713

_______________________________________
Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue45847>
_______________________________________