Bump actions/checkout from 3 to 4 #19

	name: Publish to PyPI

	on:
	pull_request:
	push:
	branches:
	- main
	release:
	types:
	- published

	defaults:
	run:
	shell: bash

	jobs:
	packages:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4

	- name: Set up Python
	uses: actions/setup-python@v4
	with:
	python-version: "3.x"

	- name: Get tags
	run: git fetch --depth=1 origin +refs/tags/:refs/tags/

	- name: Install build tools
	run: \|
	python -m pip install --upgrade build

	- name: Build binary wheel
	run: python -m build --sdist --wheel . --outdir dist

	- name: CheckFiles
	run: \|
	ls dist
	python -m pip install --upgrade check-manifest
	check-manifest --verbose

	- name: Test wheels
	run: \|
	cd dist && python -m pip install *.whl
	python -m pip install --upgrade build twine
	python -m twine check *

	- name: Publish a Python distribution to PyPI
	if: success() && github.event_name == 'release'
	uses: pypa/gh-action-pypi-publish@release/v1
	with:
	user: __token__
	password: ${{ secrets.PYPI_API_TOKEN }}

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