917C Enable trusted publishing (#6) #18

	name: Publish library

	on:
	push:
	branches:
	- main
	tags:
	# Don't try to be smart about PEP 440 compliance,
	# see https://www.python.org/dev/peps/pep-0440/#appendix-b-parsing-version-strings-with-regular-expressions
	- v*

	jobs:
	build-package:
	runs-on: ubuntu-latest
	permissions:
	# write attestations and id-token are necessary for attest-build-provenance-github
	attestations: write
	id-token: write
	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 0
	persist-credentials: false
	- uses: hynek/build-and-inspect-python-package@v2
	with:
	# Prove that the packages were built in the context of this workflow.
	attest-build-provenance-github: true
	publish:
	runs-on: ubuntu-latest
	if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags')
	# Use the `release` GitHub environment to protect the Trusted Publishing (OIDC)
	# workflow by requiring signoff from a maintainer.
	environment: release
	needs: build-package
	permissions:
	# write id-token is necessary for trusted publishing (OIDC)
	id-token: write
	steps:
	- name: Download Distribution Artifacts
	uses: actions/download-artifact@v4
	with:
	# The build-and-inspect-python-package action invokes upload-artifact.
	# These are the correct arguments from that action.
	name: Packages
	path: dist
	- name: Publish Package to PyPI
	uses: pypa/gh-action-pypi-publish@release/v1
	# Implicitly attests that the packages were uploaded in the context of this workflow.

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