Backport marker object improvements from sr-robot3 #84

	name: Lint & build

	on: [push]

	jobs:
	test:
	strategy:
	fail-fast: false
	matrix:
	os: [ubuntu-latest]
	py_version: ["3.8", "3.9", "3.10", "3.11"]
	include:
	- os: windows-latest
	py_version: "3.8"
	- os: windows-latest
	py_version: "3.11"
	- os: macos-latest
	py_version: "3.8"
	- os: macos-latest
	py_version: "3.11"
	runs-on: ${{ matrix.os }}
	steps:
	- uses: actions/checkout@v3
	with:
	fetch-depth: 0
	- name: Set up Python
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.py_version }}
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	python -m pip install .[dev,vision]
	- name: Lint
	run: \|
	make lint
	- name: Isort
	run: \|
	make isort-check
	- name: Typecheck
	run: \|
	make type
	- name: Run tests
	run: \|
	make test

	build:
	permissions:
	id-token: write # IMPORTANT: this permission is mandatory for trusted publishing
	runs-on: ubuntu-latest
	needs: test
	steps:
	- uses: actions/checkout@v3
	with:
	fetch-depth: 0
	- name: Set up Python 3.8
	uses: actions/setup-python@v4
	with:
	python-version: "3.8"
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip build
	# Install package to generate version info
	python -m pip install .
	- name: Build package
	run: \|
	make build
	- name: Save built package
	uses: actions/upload-artifact@v3
	with:
	name: package
	path: \|
	dist
	- name: Publish to PyPi
	if: ${{ github.ref_type == 'tag' }}
	uses: pypa/gh-action-pypi-publish@release/v1
	with:
	print_hash: true

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