Compatibility fix for Python 3.3 #40

	name: "Package"

	on:
	push:
	paths:
	- "CHANGES.rst"
	- "MANIFEST.in"
	- "setup.py"
	pull_request:
	workflow_dispatch:
	schedule:
	# Monthly on first day to capture breakage caused by dependencies
	- cron: "0 23 1 * *"

	defaults:
	run:
	shell: bash

	permissions:
	contents: read

	concurrency:
	group: "${{ github.workflow }}-${{ github.ref }}"
	cancel-in-progress: true

	jobs:
	package:
	name: "Python ${{ matrix.python-version }}"
	runs-on: ubuntu-latest

	strategy:
	matrix:
	python-version:
	- "3.8"
	- "3.9"
	- "3.10"
	- "3.11"
	- "3.12"
	fail-fast: true

	steps:
	- name: "Check out the repo"
	uses: "actions/checkout@v3"

	- name: "Run make build in Docker"
	uses: "addnab/docker-run-action@v3"
	with:
	# Available tags: https://hub.docker.com/_/python/tags
	image: "python:${{ matrix.python-version }}-alpine"
	options: --rm -v ${{ github.workspace }}:/workspace -w /workspace
	run: \|
	set -o errexit
	apk add bash make py3-setuptools
	# Use /usr/bin/python3 instead of /usr/local/bin/python3
	PATH=/usr/bin:$PATH make build
	PATH=/usr/bin:$PATH pip install dist/ydiff-*.tar.gz

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