Add a `Receiver.triggered` method #1077

Workflow file for this run

	name: CI

	on:
	merge_group:
	pull_request:
	push:
	# We need to explicitly include tags because otherwise when adding
	# `branches-ignore` it will only trigger on branches.
	tags:
	- '*'
	branches-ignore:
	# Ignore pushes to merge queues.
	# We only want to test the merge commit (`merge_group` event), the hashes
	# in the push were already tested by the PR checks
	- 'gh-readonly-queue/**'
	- 'dependabot/**'
	workflow_dispatch:

	env:
	# Please make sure this version is included in the `matrix`, as the
	# `matrix` section can't use `env`, so it must be entered manually
	DEFAULT_PYTHON_VERSION: '3.11'
	# It would be nice to be able to also define a DEFAULT_UBUNTU_VERSION
	# but sadly `env` can't be used either in `runs-on`.

	jobs:
	nox:
	name: Test with nox
	strategy:
	fail-fast: false
	matrix:
	os:
	- ubuntu-20.04
	python:
	- "3.11"
	nox-session:
	# To speed things up a bit we use the special ci_checks_max session
	# that uses the same venv to run multiple linting sessions
	- "ci_checks_max"
	- "pytest_min"
	runs-on: ${{ matrix.os }}

	steps:
	- name: Setup Git
	uses: frequenz-floss/gh-action-setup-git@v0.x.x

	- name: Print environment (debug)
	run: env

	- name: Fetch sources
	uses: actions/checkout@v4
	with:
	submodules: true

	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python }}
	cache: 'pip'

	- name: Install required Python packages
	run: \|
	python -m pip install --upgrade pip
	python -m pip install -e .[dev-noxfile]
	pip freeze

	- name: Create nox venv
	env:
	NOX_SESSION: ${{ matrix.nox-session }}
	run: nox --install-only -e "$NOX_SESSION"

	- name: Print pip freeze for nox venv (debug)
	env:
	NOX_SESSION: ${{ matrix.nox-session }}
	run: \|
	. ".nox/$NOX_SESSION/bin/activate"
	pip freeze
	deactivate

	- name: Run nox
	env:
	NOX_SESSION: ${{ matrix.nox-session }}
	run: nox -R -e "$NOX_SESSION"
	timeout-minutes: 10

	# This job runs if all the `nox` matrix jobs ran and succeeded.
	# It is only used to have a single job that we can require in branch
	# protection rules, so we don't have to update the protection rules each time
	# we add or remove a job from the matrix.
	nox-all:
	# The job name should match the name of the `nox` job.
	name: Test with nox
	needs: ["nox"]
	# We skip this job only if nox was also skipped
	if: always() && needs.nox.result != 'skipped'
	runs-on: ubuntu-20.04
	env:
	DEPS_RESULT: ${{ needs.nox.result }}
	steps:
	- name: Check matrix job result
	run: test "$DEPS_RESULT" = "success"

	nox-cross-arch:
	name: Cross-arch tests with nox
	if: github.event_name != 'pull_request'
	strategy:
	fail-fast: false
	# Before adding new items to this matrix, make sure that a dockerfile
	# exists for the combination of items in the matrix.
	# Refer to .github/containers/nox-cross-arch/README.md to learn how to
	# add and name new dockerfiles.
	matrix:
	arch:
	- arm64
	os:
	- ubuntu-20.04
	python:
	- "3.11"
	nox-session:
	- "pytest_min"
	- "pytest_max"
	runs-on: ${{ matrix.os }}

	steps:
	- name: Setup Git
	uses: frequenz-floss/gh-action-setup-git@v0.x.x

	- name: Fetch sources
	uses: actions/checkout@v4
	with:
	submodules: true

	- name: Set up QEMU
	uses: docker/setup-qemu-action@v3
	with:
	platforms: linux/${{ matrix.arch }}

	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v3

	# This is a workaround to prevent the cache from growing indefinitely.
	# https://docs.docker.com/build/ci/github-actions/cache/#local-cache
	# https://github.com/docker/build-push-action/issues/252
	# https://github.com/moby/buildkit/issues/1896
	- name: Cache container layers
	uses: actions/cache@v4
	with:
	path: /tmp/.buildx-cache
	key: ${{ runner.os }}-buildx-nox-${{ matrix.arch }}-${{ matrix.os }}-${{ matrix.python }}

	- name: Build image
	uses: docker/build-push-action@v6
	with:
	context: .github/containers/nox-cross-arch
	file: .github/containers/nox-cross-arch/${{ matrix.arch }}-${{ matrix.os }}-python-${{ matrix.python }}.Dockerfile
	platforms: linux/${{ matrix.arch }}
	tags: localhost/nox-cross-arch:latest
	push: false
	load: true
	cache-from: type=local,src=/tmp/.buildx-cache
	cache-to: type=local,dest=/tmp/.buildx-cache-new,mode=max

	# Refer to the workaround mentioned above
	- name: Move cache
	run: \|
	rm -rf /tmp/.buildx-cache
	mv /tmp/.buildx-cache-new /tmp/.buildx-cache

	# Cache pip downloads
	- name: Cache pip downloads
	uses: actions/cache@v4
	with:
	path: /tmp/pip-cache
	key: nox-${{ matrix.nox-session }}-${{ matrix.arch }}-${{ matrix.os }}-${{ matrix.python }}-${{ hashFiles('pyproject.toml') }}

	# This ensures that the docker container has access to the pip cache.
	# Changing the user in the docker-run step causes it to fail due to
	# incorrect permissions. Setting the ownership of the pip cache to root
	# before running is a workaround to this issue.
	- name: Set pip cache owners to root for docker
	run: if [[ -e /tmp/pip-cache ]]; then sudo chown -R root:root /tmp/pip-cache; fi

	- name: Run nox
	run: \|
	docker run \
	--rm \
	-v $(pwd):/${{ github.workspace }} \
	-v /tmp/pip-cache:/root/.cache/pip \
	-w ${{ github.workspace }} \
	--net=host \
	--platform linux/${{ matrix.arch }} \
	localhost/nox-cross-arch:latest \
	bash -c "pip install -e .[dev-noxfile]; nox --install-only -e ${{ matrix.nox-session }}; pip freeze; nox -e ${{ matrix.nox-session }}"
	timeout-minutes: 30

	# This ensures that the runner has access to the pip cache.
	- name: Reset pip cache ownership
	if: always()
	run: sudo chown -R $USER:$USER /tmp/pip-cache

	# This job runs if all the `nox-cross-arch` matrix jobs ran and succeeded.
	# As the `nox-all` job, its main purpose is to provide a single point of
	# reference in branch protection rules, similar to how `nox-all` operates.
	# However, there's a crucial difference: the `nox-cross-arch` job is omitted
	# in PRs. Without the `nox-cross-arch-all` job, the inner matrix wouldn't be
	# expanded in such scenarios. This would lead to the CI indefinitely waiting
	# for these jobs to complete due to the branch protection rules, essentially
	# causing it to hang. This behavior is tied to a recognized GitHub matrices
	# issue when certain jobs are skipped. For a deeper understanding, refer to:
	# https://github.com/orgs/community/discussions/9141
	nox-cross-arch-all:
	# The job name should match the name of the `nox-cross-arch` job.
	name: Cross-arch tests with nox
	needs: ["nox-cross-arch"]
	# We skip this job only if nox-cross-arch was also skipped
	if: always() && needs.nox-cross-arch.result != 'skipped'
	runs-on: ubuntu-20.04
	env:
	DEPS_RESULT: ${{ needs.nox-cross-arch.result }}
	steps:
	- name: Check matrix job result
	run: test "$DEPS_RESULT" = "success"

	build:
	name: Build distribution packages
	runs-on: ubuntu-20.04
	steps:
	- name: Setup Git
	uses: frequenz-floss/gh-action-setup-git@v0.x.x

	- name: Fetch sources
	uses: actions/checkout@v4
	with:
	submodules: true

	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: ${{ env.DEFAULT_PYTHON_VERSION }}
	cache: 'pip'

	- name: Install required Python packages
	run: \|
	python -m pip install -U pip
	python -m pip install -U build
	pip freeze

	- name: Build the source and binary distribution
	run: python -m build

	- name: Upload distribution files
	uses: actions/upload-artifact@v4
	with:
	name: dist-packages
	path: dist/
	if-no-files-found: error

	test-installation:
	name: Test package installation in different architectures
	needs: ["build"]
	runs-on: ubuntu-20.04
	steps:
	- name: Setup Git
	uses: frequenz-floss/gh-action-setup-git@v0.x.x

	- name: Fetch sources
	uses: actions/checkout@v4

	- name: Download package
	uses: actions/download-artifact@v4
	with:
	name: dist-packages
	path: dist

	- name: Set up QEMU
	uses: docker/setup-qemu-action@v3

	- name: Set up docker-buildx
	uses: docker/setup-buildx-action@v3

	- name: Test Installation
	uses: docker/build-push-action@v6
	with:
	context: .
	file: .github/containers/test-installation/Dockerfile
	platforms: linux/amd64,linux/arm64
	tags: localhost/test-installation
	push: false

	test-docs:
	name: Test documentation website generation
	if: github.event_name != 'push'
	runs-on: ubuntu-20.04
	steps:
	- name: Setup Git
	uses: frequenz-floss/gh-action-setup-git@v0.x.x

	- name: Fetch sources
	uses: actions/checkout@v4
	with:
	submodules: true

	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: ${{ env.DEFAULT_PYTHON_VERSION }}
	cache: 'pip'

	- name: Install build dependencies
	run: \|
	python -m pip install -U pip
	python -m pip install .[dev-mkdocs]
	pip freeze

	- name: Generate the documentation
	env:
	MIKE_VERSION: gh-${{ github.job }}
	run: \|
	mike deploy $MIKE_VERSION
	mike set-default $MIKE_VERSION

	- name: Upload site
	uses: actions/upload-artifact@v4
	with:
	name: docs-site
	path: site/
	if-no-files-found: error

	publish-docs:
	name: Publish documentation website to GitHub pages
	needs: ["nox-all", "nox-cross-arch-all", "test-installation"]
	if: github.event_name == 'push'
	runs-on: ubuntu-20.04
	permissions:
	contents: write
	steps:
	- name: Setup Git
	uses: frequenz-floss/gh-action-setup-git@v0.x.x

	- name: Fetch sources
	uses: actions/checkout@v4
	with:
	submodules: true

	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: ${{ env.DEFAULT_PYTHON_VERSION }}
	cache: 'pip'

	- name: Install build dependencies
	run: \|
	python -m pip install -U pip
	python -m pip install .[dev-mkdocs]
	pip freeze

	- name: Calculate and check version
	id: mike-version
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	GITHUB_REPO: ${{ github.repository }}
	GIT_REF: ${{ github.ref }}
	GIT_SHA: ${{ github.sha }}
	run: \|
	python -m frequenz.repo.config.cli.version.mike.info

	- name: Fetch the gh-pages branch
	if: steps.mike-version.outputs.version
	run: git fetch origin gh-pages --depth=1

	- name: Build site
	if: steps.mike-version.outputs.version
	env:
	VERSION: ${{ steps.mike-version.outputs.version }}
	TITLE: ${{ steps.mike-version.outputs.title }}
	ALIASES: ${{ steps.mike-version.outputs.aliases }}
	# This is not ideal, we need to define all these variables here
	# because we need to calculate all the repository version information
	# to be able to show the correct versions in the documentation when
	# building it.
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	GITHUB_REPO: ${{ github.repository }}
	GIT_REF: ${{ github.ref }}
	GIT_SHA: ${{ github.sha }}
	run: \|
	mike deploy --update-aliases --title "$TITLE" "$VERSION" $ALIASES

	- name: Sort site versions
	if: steps.mike-version.outputs.version
	run: \|
	git checkout gh-pages
	python -m frequenz.repo.config.cli.version.mike.sort versions.json
	git commit -a -m "Sort versions.json"

	- name: Publish site
	if: steps.mike-version.outputs.version
	run: \|
	git push origin gh-pages

	create-github-release:
	name: Create GitHub release
	needs: ["publish-docs"]
	# Create a release only on tags creation
	if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/v')
	permissions:
	# We need write permissions on contents to create GitHub releases and on
	# discussions to create the release announcement in the discussion forums
	contents: write
	discussions: write
	runs-on: ubuntu-20.04
	steps:
	- name: Download distribution files
	uses: actions/download-artifact@v4
	with:
	name: dist-packages
	path: dist

	- name: Download RELEASE_NOTES.md
	run: \|
	set -ux
	gh api \
	-X GET \
	-f ref=$REF \
	-H "Accept: application/vnd.github.raw" \
	"/repos/$REPOSITORY/contents/RELEASE_NOTES.md" \
	> RELEASE_NOTES.md
	env:
	REF: ${{ github.ref }}
	REPOSITORY: ${{ github.repository }}
	GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}

	- name: Create GitHub release
	run: \|
	set -ux
	extra_opts=
	if echo "$REF_NAME" \| grep -- -; then extra_opts=" --prerelease"; fi
	gh release create \
	-R "$REPOSITORY" \
	--notes-file RELEASE_NOTES.md \
	--generate-notes \
	$extra_opts \
	$REF_NAME \
	dist/*
	env:
	REF_NAME: ${{ github.ref_name }}
	REPOSITORY: ${{ github.repository }}
	GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}

	publish-to-pypi:
	name: Publish packages to PyPI
	needs: ["create-github-release"]
	runs-on: ubuntu-20.04
	permissions:
	# For trusted publishing. See:
	# https://blog.pypi.org/posts/2023-04-20-introducing-trusted-publishers/
	id-token: write
	steps:
	- name: Download distribution files
	uses: actions/download-artifact@v4
	with:
	name: dist-packages
	path: dist

	- name: Publish the Python distribution to PyPI
	uses: pypa/gh-action-pypi-publish@release/v1

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Add a `Receiver.triggered` method #1077

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Add a `Receiver.triggered` method #1077

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Add a Receiver.triggered method #1077

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Add a `Receiver.triggered` method #1077