build

Fixes #26 #13

	name: build

	on:
	push:
	tags:
	- v*

	concurrency:
	group: build-${{ github.head_ref }}

	jobs:
	build:
	name: Build wheels and source distribution
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v2

	- name: Install build dependencies
	run: python -m pip install --upgrade build

	- name: Build
	run: python -m build

	- uses: actions/upload-artifact@v2
	with:
	name: artifacts
	path: dist/*
	if-no-files-found: error

	publish:
	name: Publish release
	needs:
	- build
	runs-on: ubuntu-latest

	steps:
	- uses: actions/download-artifact@v2
	with:
	name: artifacts
	path: dist

	- name: Push build artifacts to PyPI
	uses: pypa/gh-action-pypi-publish@v1.4.2
	with:
	skip_existing: true
	user: __token__
	password: ${{ secrets.PYPI_API_TOKEN }}

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