Modernize install using only pyproject.toml and add some GitHub Actions #5

	name: Tests (Python)

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

	# Allow job to be triggered manually.
	workflow_dispatch:

	# Cancel in-progress jobs when pushing to the same branch.
	concurrency:
	cancel-in-progress: true
	group: ${{ github.workflow }}-${{ github.ref }}

	jobs:
	tests:
	runs-on: ${{ matrix.os }}
	strategy:
	fail-fast: true
	matrix:
	os: ["ubuntu-latest"]
	python-version: ["3.9", "3.10", "3.11"]
	# In order to save resources, only run particular
	# matrix slots on other OS than Linux.
	include:
	- os: "macos-latest"
	python-version: "3.11"
	- os: "windows-latest"
	python-version: "3.11"

	env:
	OS: ${{ matrix.os }}
	PYTHON: ${{ matrix.python-version }}

	defaults:
	run:
	shell: bash -el {0}

	name: Python ${{ matrix.python-version }} on OS ${{ matrix.os }}
	steps:

	- name: Acquire sources
	uses: actions/checkout@v3
	with:
	fetch-depth: 2

	- name: Setup Python
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python-version }}
	architecture: x64
	cache: 'pip'
	cache-dependency-path: 'setup.cfg'

	- name: Install project
	run: \|
	pip3 install --requirement=requirements-test.txt
	pip3 install --editable=.

	- name: Run tests
	env:
	TMPDIR: ${{ runner.temp }}
	run: \|
	pytest

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