Bump tox from 3.24.5 to 4.17.1 #129

	name: Wheels

	on: [push, pull_request]

	jobs:

	build_artifacts:
	name: Build wheel on ubuntu-latest
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false

	steps:
	- uses: actions/checkout@v1
	with:
	submodules: true

	- uses: actions/setup-python@v1
	name: Install Python
	with:
	python-version: '3.8'

	- name: Install PyBuild
	run: \|
	python -m pip install 'build!=0.1' setuptools-scm

	- name: Build wheel and sdist
	run: \|
	python -m build
	git describe
	pwd
	if [ -f dist/zarr-0.0.0.tar.gz ]; then
	echo "WRONG VERSION NUMBER"
	exit 1
	else
	echo "All seem good"
	fi
	- uses: actions/upload-artifact@v1
	with:
	name: releases
	path: dist

	test_dist_pypi:
	needs: [build_artifacts]
	runs-on: ubuntu-latest
	steps:
	- uses: actions/download-artifact@v1
	with:
	name: releases
	path: dist

	- name: test
	run: \|
	ls
	ls dist

	upload_pypi:
	needs: [build_artifacts]
	runs-on: ubuntu-latest
	if: github.event_name == 'push' && startsWith(github.event.ref, 'refs/tags/v')
	steps:
	- uses: actions/download-artifact@v1
	with:
	name: releases
	path: dist
	- uses: pypa/gh-action-pypi-publish@master
	with:
	user: __token__
	password: ${{ secrets.pypi_password }}
	# To test: repository_url: https://test.pypi.org/legacy/

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