Major CI cleanup #307

	name: Build and upload to PyPI

	on:
	pull_request:
	release:
	types:
	- published

	jobs:
	build_wheels:
	name: Build wheels on ${{ matrix.os }}
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	os: [ubuntu-20.04, macos-11, windows-2019]

	steps:
	- uses: actions/checkout@v3

	- name: Build wheels
	uses: pypa/cibuildwheel@v2.14.1
	env:
	CIBW_ARCHS_MACOS: x86_64 arm64

	- uses: actions/upload-artifact@v3
	with:
	path: ./wheelhouse/*.whl

	build_sdist:
	name: Build source distribution
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3

	- uses: actions/setup-python@v4
	name: Install Python
	with:
	python-version: '3.8'

	- name: Install build dependencies
	run: python -m pip install setuptools setuptools-scm wheel Cython numpy scikit-learn
	- name: Build sdist
	run: python setup.py sdist

	- uses: actions/upload-artifact@v3
	with:
	path: dist/*.tar.gz

	upload_testpypi:
	needs: [build_wheels, build_sdist]
	runs-on: ubuntu-latest
	if: github.event_name == 'release' && github.event.action == 'published'
	steps:
	- uses: actions/download-artifact@v3
	with:
	name: artifact
	path: dist

	- uses: pypa/gh-action-pypi-publish@v1.8.8
	with:
	user: __token__
	password: ${{ secrets.GH_TESTPYPI_UPLOAD }}
	repository_url: https://test.pypi.org/legacy/

	upload_pypi:
	needs: [build_wheels, build_sdist, upload_testpypi]
	runs-on: ubuntu-latest
	if: github.event_name == 'release' && github.event.action == 'published'
	steps:
	- uses: actions/download-artifact@v3
	with:
	name: artifact
	path: dist

	- uses: pypa/gh-action-pypi-publish@v1.8.8
	with:
	user: __token__
	password: ${{ secrets.GH_PYPI_UPLOAD }}

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