[Feat] Prometheus metric export #293

	name: (Zeus) Check format, lint, and test

	on:
	pull_request:
	paths:
	- '.github/workflows/zeus_fmt_lint_test.yaml'
	- 'zeus/**'
	- 'tests/**'
	- 'capriccio/*.py'
	- 'examples/**'
	- 'setup.py'
	- 'scripts/lint.sh'
	- 'pyproject.toml'
	push:
	paths:
	- '.github/workflows/zeus_fmt_lint_test.yaml'
	- 'zeus/**'
	- 'tests/**'
	- 'capriccio/*.py'
	- 'examples/**'
	- 'setup.py'
	- 'scripts/lint.sh'
	- 'pyproject.toml'

	# Jobs initiated by previous pushes get cancelled by a new push.
	concurrency:
	group: ${{ github.ref }}-zeus-lint-and-test
	cancel-in-progress: true

	jobs:
	format_lint_test:
	if: ${{ github.event_name == 'push' \|\| github.event.pull_request.head.repo.full_name != github.repository }}
	runs-on: ubuntu-latest
	steps:
	- name: Checkout repository
	uses: actions/checkout@v3
	- name: Setup Python
	uses: actions/setup-python@v4
	with:
	python-version: 3.9
	cache: 'pip'
	- name: Install Zeus and lint tools
	run: pip install -U pip && pip install ".[dev]"
	- name: Check format and lint
	run: bash scripts/lint.sh
	- name: Run tests
	run: python -m pytest

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