Use intrusive reference counting #805

	name: Build and upload to PyPI

	# Build on every branch push, tag push, and pull request change:
	on:
	push:
	branches:
	- main
	tags:
	- v*
	pull_request:
	schedule:
	- cron: '17 3 * * 0'

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

	steps:
	- uses: actions/checkout@v4
	with:
	submodules: 'true'

	- uses: actions/setup-python@v5
	with:
	python-version: '3.x'

	- name: Install cibuildwheel
	run: python -m pip install cibuildwheel==2.17.0

	- name: Build wheels
	run: python -m cibuildwheel --output-dir wheelhouse

	- uses: actions/upload-artifact@v4
	with:
	name: cibw-wheels-${{ matrix.os }}-${{ strategy.job-index }}
	path: ./wheelhouse/*.whl

	build_sdist:
	name: Build source distribution
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4

	- name: Build sdist
	run: pipx run build --sdist

	- uses: actions/upload-artifact@v4
	with:
	name: cibw-sdist
	path: dist/*.tar.gz

	upload_pypi:
	needs: [build_wheels, build_sdist]

	environment: pypi
	permissions:
	id-token: write

	runs-on: ubuntu-latest
	# upload to PyPI on every tag starting with 'v'
	if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/v')
	# alternatively, to publish when a GitHub Release is created, use the following rule:
	# if: github.event_name == 'release' && github.event.action == 'published'
	steps:
	- uses: actions/download-artifact@v4
	with:
	pattern: cibw-*
	path: dist
	merge-multiple: true

	- uses: pypa/gh-action-pypi-publish@release/v1

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