Add secure_exe and NullCommand #42

	name: Py4LO

	on: [push]

	jobs:
	build:

	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: ["3.8", "3.9", "3.10", "3.11"]

	steps:
	- uses: actions/checkout@v3
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python-version }}
	- name: Before install
	run: \|
	sudo apt-get install -y --fix-missing libreoffice libreoffice-script-provider-python python3-uno
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install ruff pytest pytest-cov
	if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
	- name: Check with ruff
	run: \|
	ruff check
	- name: set PYTHONPATH
	run: \|
	ls -R $GITHUB_WORKSPACE
	echo "PYTHONPATH=$GITHUB_WORKSPACE/lib/:$GITHUB_WORKSPACE/py4lo/:/usr/lib/python3/dist-packages/" >> "$GITHUB_ENV"
	- name: Test with pytest & generate coverage report
	run: \|
	echo "$PYTHONPATH"
	python -m pytest --cov-report term-missing --ignore=examples --cov=py4lo --cov=lib --cov-report=xml
	python -m pytest --cov-report term-missing --ignore=examples --ignore=test --ignore="py4lo/__main__.py" --cov-append --doctest-modules --cov=lib --cov-report=xml
	- name: Upload coverage reports to Codecov
	uses: codecov/codecov-action@v3
	with:
	token: ${{ secrets.CODECOV_TOKEN }}
	directory: ./coverage/reports/
	env_vars: OS,PYTHON
	fail_ci_if_error: true
	files: ./coverage.xml
	flags: unittests
	name: codecov-umbrella
	verbose: true

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