no-issue: Update CI to support free-threading #282

	name: Build

	on:
	push:
	branches: [main]
	pull_request:
	branches: [main]

	jobs:
	tox-jobs:
	strategy:
	fail-fast: false
	matrix:
	tox-job: [doc, pep8]
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: actions/setup-python@v5
	with:
	python-version: 3.x
	- run: pip install tox
	- run: tox -e ${{ matrix.tox-job }}
	build:
	runs-on: ${{ matrix.os }}
	name: ${{ matrix.os }} - ${{ matrix.python }} ${{ matrix.build }}
	strategy:
	matrix:
	os: [ubuntu-latest, macos-latest, windows-latest]
	python: ['3.12']
	build: ['']
	include:
	- os: ubuntu-latest
	python: 'pypy3.10'
	- os: ubuntu-latest
	python: 'pypy3.9'
	- os: ubuntu-latest
	python: 'pypy3.8'
	- os: ubuntu-latest
	python: '3.8'
	- os: ubuntu-latest
	python: '3.9'
	- os: ubuntu-latest
	python: '3.10'
	- os: ubuntu-latest
	python: '3.11'
	- os: ubuntu-latest
	python: '3.12'
	- os: ubuntu-latest
	python: '3.13-dev'
	build: 'free-threading'

	steps:
	- uses: actions/checkout@v4
	- name: Setup Python
	uses: actions/setup-python@v5
	if: ${{ matrix.build != 'free-threading' }}
	with:
	python-version: ${{ matrix.python }}
	- name: Set up Python ${{ matrix.python }} using deadsnakes
	uses: deadsnakes/action@v3.1.0
	if: ${{ matrix.build == 'free-threading' }}
	with:
	python-version: ${{ matrix.python }}
	nogil: true
	- name: Display Python version
	run: \|
	python -VV
	python -c 'import sysconfig; print("Free threading?", "Yes" if sysconfig.get_config_var("Py_GIL_DISABLED") else "No")'
	- name: Install Tox and any other packages
	run: pip install tox
	- name: Run Tox
	# Run tox using the version of Python in `PATH`
	run: tox -e py

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