metadata: monkeypatch Undefined to show as empty string #160

	name: Release

	on:
	# NOTE: PR trigger is to ensure changes do not break packaging.
	pull_request:
	release:
	types: [released]

	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true

	jobs:
	build-n-publish:
	name: Build and publish Python 🐍 distributions 📦 to PyPI
	runs-on: ubuntu-latest
	permissions:
	id-token: write # IMPORTANT: this permission is mandatory for trusted publishing
	if: github.repository == 'spacetelescope/lcviz'

	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 0

	- uses: actions/setup-python@v5
	with:
	python-version: 3.9

	- name: Install python-build and twine
	run: python -m pip install build "twine>=3.3"

	- name: Build package
	run: python -m build --sdist --wheel .

	- name: List result
	run: ls -l dist

	- name: Check dist
	run: python -m twine check --strict dist/*

	- name: Test package
	run: \|
	cd ..
	python -m venv testenv
	testenv/bin/pip install pytest pytest-astropy pytest-tornasync lcviz/dist/*.whl
	testenv/bin/python -c "import lcviz; lcviz.test(remote_data=True)"

	# NOTE: Do not run this part for PR testing.
	- name: Publish distribution 📦 to PyPI
	uses: pypa/gh-action-pypi-publish@release/v1
	if: github.event_name != 'pull_request'

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