Publish to PyPI #1

	name: Publish to PyPI

	on:
	workflow_dispatch:
	inputs:
	ref:
	description: "Release tag to publish, for example v0.1.1"
	required: true

	jobs:
	build:
	name: Build distributions
	runs-on: ubuntu-latest
	permissions:
	contents: read

	steps:
	- name: Validate release ref
	run: \|
	case "${{ inputs.ref }}" in
	v*) ;;
	) echo "PyPI publishes must use a PEP 440-compatible v release tag."; exit 1 ;;
	esac

	- name: Checkout release tag
	uses: actions/checkout@v6
	with:
	ref: ${{ inputs.ref }}
	fetch-depth: 0

	- name: Set up Python
	uses: actions/setup-python@v6
	with:
	python-version: "3.11"

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

	- name: Build wheel and sdist
	run: python -m build

	- name: Twine check
	run: python -m twine check dist/*

	- name: Upload distributions
	uses: actions/upload-artifact@v7
	with:
	name: python-distributions
	path: dist/*
	if-no-files-found: error

	publish:
	name: Publish distributions
	needs: build
	runs-on: ubuntu-latest
	environment: pypi
	permissions:
	contents: read
	id-token: write

	steps:
	- name: Download distributions
	uses: actions/download-artifact@v7
	with:
	name: python-distributions
	path: dist

	- name: Publish package distributions to PyPI
	uses: pypa/gh-action-pypi-publish@release/v1

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