build system #65

	name: build

	on: [push]

	jobs:
	python:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v1
	- name: Show ref
	run: \|
	echo "$GITHUB_REF"
	- name: Set up Python
	uses: actions/setup-python@v1
	with:
	python-version: '3.x'
	- name: Install dependencies
	env:
	DEBIAN_FRONTEND: noninteractive
	run: \|
	sudo apt-get update -y -qq
	sudo apt-get install -y -qq libicu-dev
	pip install --upgrade pip setuptools setuptools_scm wheel build twine pyicu
	pip install -e ".[dev]"
	- name: Validate mypy typing
	run: \|
	make typecheck
	- name: Run unit tests
	run: \|
	make test
	- name: Build a distribution
	run: \|
	python -m build -nwsx
	- name: Publish a Python distribution to PyPI
	if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags')
	uses: pypa/gh-action-pypi-publish@master
	with:
	user: __token__
	password: ${{ secrets.pypi_password }}

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