Add sanity check for MAILAPP #184

	name: Python package
	on: [push]
	jobs:
	build:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: ['3.7', '3.8', '3.9', '3.10', '3.11', '3.12']
	steps:
	- uses: actions/checkout@v4
	- name: Set up SQLite
	run: \|
	sudo apt-get install sqlite3
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install dependencies
	run: \|
	sudo apt-get install sqlite3
	python -m pip install -U pip
	pip install -r requirements.txt
	- name: Lint with 'flake8'
	run: \|
	pip install flake8
	# Stop the build if there are Python syntax errors or undefined names
	flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
	# exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
	flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
	- name: Test with 'unittest'
	run: \|
	mkdir -p /tmp/fangfrisch/unittest
	sqlite3 /tmp/fangfrisch/unittest/db.sqlite < tests/tests.sql
	PYTHONPATH=. python -m unittest discover tests/ -v
	env:
	NETWORK_TESTS: 0
	- name: Build Python artifacts
	run: python -m build --no-isolation --skip-dependency-check
	- name: Store Python artifacts
	uses: actions/upload-artifact@v4
	with:
	name: fangfrisch-Python-${{ matrix.python-version }}
	path: dist/*

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