Bump actions/upload-artifact from 3 to 4 #256

	# Builds on all branches & PRs
	# Deploys to PyPi on new tags.
	name: Build, test and publish

	on: [push, pull_request]

	jobs:
	build:
	runs-on: ubuntu-latest
	name: Build the Python wheel
	steps:
	# For tags we assume the version in setup.py is correct!
	- name: Checkout
	uses: actions/checkout@v4
	with:
	submodules: 'recursive'
	- name: Rewrite version for dev if not tag
	if: "!startsWith(github.ref, 'refs/tags/')"
	run: \|
	perl -i -pe "s/__version__\s=\s'(.?)(\.rc.\|\.a.\|\.post.)?'/__version__='\1.dev0+${GITHUB_SHA::8}'/" setup.py
	- name: Note version
	run: \|
	echo "PACKAGE_VERSION=$(python3 -- ./setup.py --version)" >> $GITHUB_ENV
	- name: Set up Python 3.8
	uses: actions/setup-python@v4
	with:
	python-version: 3.8
	- name: Upgrade pip
	run: \|
	python -m pip install --upgrade pip
	- name: Build Python wheels
	uses: RalfG/[email protected]_x86_64
	with:
	python-versions: 'cp36-cp36m cp37-cp37m cp38-cp38 cp39-cp39 cp310-cp310'
	- name: Upload wheels
	uses: actions/upload-artifact@v4
	with:
	name: wheels
	path: dist/*.whl
	deploy:
	if: startsWith(github.ref, 'refs/tags/')
	needs: build
	runs-on: ubuntu-latest
	name: Deploy wheels to PyPI
	steps:
	- name: Download wheels
	uses: actions/download-artifact@v3
	with:
	name: wheels
	- name: Set up Python 3.8
	uses: actions/setup-python@v4
	with:
	python-version: 3.8
	- name: Upgrade pip
	run: \|
	python -m pip install --upgrade pip
	pip install twine
	- name: Publish wheels to PyPI
	env:
	TWINE_USERNAME: ${{ secrets.TWINE_USR }}
	TWINE_PASSWORD: ${{ secrets.TWINE_PSW }}
	run: \|
	twine upload *.whl

Provide feedback