Bump actions/download-artifact from 3 to 4 #233

	name: integration
	on: [push]

	jobs:
	test:
	name: ${{ matrix.os }} - python3.${{ matrix.python-version }}
	runs-on: ${{ matrix.os }}
	strategy:
	fail-fast: false
	matrix:
	os: [ubuntu-20.04, ubuntu-22.04, macos-11, macos-12]
	python-version: ['8', '9', '10', '11']
	env:
	PY_COLORS: '1'

	steps:
	- uses: actions/checkout@v4
	- uses: actions/setup-python@v4
	with:
	python-version: 3.${{ matrix.python-version }}
	architecture: x64

	- name: virtualenv
	run: make env

	- name: test
	run: make test

	build:
	name: build artifacts
	runs-on: ubuntu-latest
	needs: [test]
	env:
	PY_COLORS: '1'

	steps:
	- uses: actions/checkout@v4
	- uses: actions/setup-python@v4
	with:
	python-version: '3.11'

	- name: install
	run: make setup

	- name: build
	run: make build

	- name: check
	run: make check

	- uses: actions/upload-artifact@v3
	with:
	name: dist
	path: dist

	promote:
	name: promote artifacts
	runs-on: ubuntu-latest
	needs: [build]
	if: "success() && startsWith(github.ref, 'refs/tags/')"
	env:
	PY_COLORS: '1'

	steps:
	- uses: actions/checkout@v4
	- uses: actions/setup-python@v4
	with:
	python-version: '3.11'
	- uses: actions/download-artifact@v4
	with:
	name: dist
	path: dist

	- name: install
	run: make setup

	- name: check
	run: make check

	- name: tag
	run: make tag

	- name: promote
	run: twine upload dist/*
	env:
	TWINE_USERNAME: __token__
	TWINE_PASSWORD: ${{ secrets.PYPI_TOKEN }}

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