Refactor refobj #1206

	name: Python package

	on:
	push:
	pull_request:
	# Schedule a nightly build. Times are UTC
	# See https://docs.github.com/en/actions/reference/events-that-trigger-workflows#scheduled-events
	schedule:
	# 5:15 am UTC (https://en.wikipedia.org/wiki/5:15)
	- cron: '15 5 * * *'

	jobs:
	build:
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	# Default builds are on Ubuntu
	os: [ubuntu-latest]
	python-version: ['3.7', '3.8', '3.9', '3.10', '3.11', 'pypy-3.7', 'pypy-3.8', 'pypy-3.9']
	include:
	# Also test on macOS and Windows using latest Python 3
	- os: macos-latest
	python-version: '3.x'
	- os: windows-latest
	python-version: '3.x'
	steps:
	- uses: actions/checkout@v2
	with:
	submodules: 'recursive'
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install dependencies
	shell: bash
	run: \|
	python -m pip install --upgrade pip
	if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
	python -m pip install .
	python -m pip install 'pycodestyle>=2.10.0' 'pylint>=2.17'
	- name: Test with unittest
	shell: bash
	# pyshacl has a 3.10 deprecation warning in distutils
	# disable warnings until we tune to ignore distutils deprecation warning
	run: \|
	WARNINGS="-We"
	PY_VERSION=$(python3 -c "import sys; print(f'{sys.version_info.major}.{sys.version_info.minor}')")
	if [ "${PY_VERSION}" == "3.10" ]; then echo "Disabling warnings"; WARNINGS=""; fi
	python $WARNINGS -m unittest discover -s test
	pycodestyle sbol3 test
	pylint sbol3 test

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