Support Python < 3.10 #291

	# Install Poetry, dependencies, run tests with a range of Python versions on Ubuntu Linux

	name: Python package with Poetry

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

	jobs:
	build:

	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	python-version: [ "3.8", "3.9", "3.10", "3.11", "3.12"]

	steps:
	- uses: actions/checkout@v4
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install Poetry
	uses: snok/install-poetry@v1
	with:
	virtualenvs-create: true
	virtualenvs-in-project: true
	- name: Install project
	run: poetry install --without dev
	- name: Lint format with ruff
	# by default: exit with error if rule violations
	uses: chartboost/ruff-action@v1
	with:
	args: format
	- name: Lint with ruff
	# by default: exit with error if rule violations
	uses: chartboost/ruff-action@v1
	- name: Test with pytest
	run: \|
	source $VENV
	pytest
	- name: Check typing with mypy
	run: \|
	source $VENV
	mypy .

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