Switch to github actions; drop python 3.7 #8

	name: build
	on:
	push:
	pull_request:
	jobs:
	tests:
	name: ${{ matrix.name }}
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	include:
	- { name: "3.8-ipython8", python: "3.8", tox: py38-ipython8 }
	- { name: "3.11-ipython8", python: "3.11", tox: py11-ipython8 }
	steps:
	- uses: actions/checkout@v3.1.0
	- uses: actions/setup-python@v4.3.0
	with:
	python-version: ${{ matrix.python }}
	- run: python -m pip install --upgrade pip
	- run: python -m pip install tox
	- run: python -m tox -e${{ matrix.tox }}
	# this duplicates pre-commit.ci, so only run it on tags
	# it guarantees that linting is passing prior to a release
	lint-pre-release:
	name: lint
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3.1.0
	- uses: actions/setup-python@v4.3.0
	with:
	python-version: "3.11"
	- run: python -m pip install --upgrade pip
	- run: python -m pip install tox
	- run: python -m tox -elint
	release:
	needs: [tests, lint-pre-release]
	name: PyPI release
	if: startsWith(github.ref, 'refs/tags')
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3.1.0
	- uses: actions/setup-python@v4.3.0
	- name: install requirements
	run: python -m pip install build twine
	- name: build dists
	run: python -m build
	- name: check package metadata
	run: twine check dist/*
	- name: publish
	run: twine upload -u __token__ -p ${{ secrets.PYPI_API_TOKEN }} dist/*

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