Bump actions/setup-python from 3 to 4 #98

	---
	name: CI

	on:
	push:
	branches: ["master"]
	pull_request:
	branches: ["master"]
	workflow_dispatch:

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

	strategy:
	fail-fast: false
	matrix:
	python-version: ["3.7", "3.8", "3.9", "3.10", "3.11"]

	steps:
	- uses: "actions/checkout@v4"
	- uses: "actions/setup-python@v4"
	with:
	python-version: "${{ matrix.python-version }}"
	- name: "Install dependencies"
	run: \|
	python -VV
	python -m site
	python -m pip install --upgrade pip setuptools wheel
	python -m pip install --upgrade coverage[toml] virtualenv tox tox-gh-actions

	- name: "Run tox targets for ${{ matrix.python-version }}"
	run: "python -m tox -- -v"

	- name: "Upload coverage data"
	uses: "actions/upload-artifact@v3"
	with:
	name: coverage-data
	path: .coverage.*
	if-no-files-found: ignore

	coverage:
	name: "Coverage Report"
	runs-on: "ubuntu-latest"
	needs: "tests"

	steps:
	- uses: "actions/checkout@v4"
	- uses: "actions/setup-python@v4"
	with:
	# Use latest Python, so it understands all syntax.
	python-version: "3.11"

	- run: "python -m pip install --upgrade coverage[toml]"

	- uses: "actions/download-artifact@v3"
	with:
	name: "coverage-data"

	- name: "Combine coverage"
	run: \|
	python -m coverage combine
	python -m coverage html
	python -m coverage report

	- name: "Upload HTML report"
	uses: "actions/upload-artifact@v3"
	with:
	name: "html-report"
	path: "htmlcov"

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