Build: update setuptools config and CI

GeoStat-Framework / GSTools

GSTools - A geostatistical toolbox: random fields, variogram estimation, covariance models, kriging and much more

https://geostat-framework.org

GNU Lesser General Public License v3.0

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Closed MuellerSeb closed 2 years ago

MuellerSeb commented 2 years ago

Changes:

drop Python 3.6 support (setuptools>60 needs py>3.7)
move setup.cfg content to pyproject.toml (PEP 621)
update cibuildwheel to 2.6 (requirement for pyproject.toml config with setuptools)
move to src/ based package structure (better for testing, building and structure)
use extension-helpers for openmp support in setup.py

MuellerSeb commented 2 years ago

OpenMP support was never available in CI for macOS. There is also an open PR for clang/openmp support on macOS here: https://github.com/astropy/extension-helpers/pull/42

We could wait for this PR to be merged and then we could install openmp with brew for macOS:

      - name: macos openmp install
        uses: mstksg/get-package@v1
        if: matrix.os == 'macos-latest'
        with:
          brew: libomp

MuellerSeb commented 2 years ago

When this is implemented, we can even drop the MANIFEST.in: https://github.com/pypa/setuptools/issues/3341