Support alpha version on PyPI #4

	name: Publish to PyPI

	on:
	push:
	tags:
	- v[0-9]+.[0-9]+.[0-9]+
	- v[0-9]+.[0-9]+.[0-9]+.alpha[0-9]+
	- v[0-9]+.[0-9]+.[0-9]+-rc[0-9]+

	jobs:
	build-and-publish:
	name: publish to PyPI
	runs-on: ubuntu-latest
	permissions:
	id-token: write
	steps:
	- uses: actions/checkout@v2
	- name: Set up Python 3.8
	uses: actions/setup-python@v2
	with:
	python-version: 3.8
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install setuptools build twine
	- name: Build dists
	run: \|
	python -m build
	- name: Publish distribution to Test Pypi
	if: startsWith(github.ref, 'refs/tags') && contains(github.ref, '-rc')
	uses: pypa/gh-action-pypi-publish@release/v1
	with:
	repository_url: https://test.pypi.org/legacy/
	- name: Publish distribution to Pypi
	if: startsWith(github.ref, 'refs/tags') && !contains(github.ref, '-rc')
	uses: pypa/gh-action-pypi-publish@release/v1

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