lint

finish mdn and add a test data #155

	name: lint

	on: [push]

	jobs:
	lint:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout the repo
	uses: actions/checkout@v2

	- name: Set up Python 3.10
	uses: actions/setup-python@v2
	with:
	python-version: "3.10"

	- name: Install poetry
	uses: snok/install-poetry@v1
	with:
	virtualenvs-create: true
	virtualenvs-in-project: true

	- name: Load cached venv
	id: cached-poetry-dependencies
	uses: actions/cache@v2
	with:
	path: .venv
	key: venv-${{ runner.os }}-${{ hashFiles('**/poetry.lock') }}

	- name: Install package dependencies
	if: steps.cached-poetry-dependencies.outputs.cache-hit != 'true'
	run: \|
	poetry install --no-interaction --no-root

	- name: Install linting dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install pylint black mypy

	- name: Lint with pylint
	run: \|
	source .venv/bin/activate
	pylint --ignore-patterns=test.*?py src/ tests/ --fail-under=7.0

	- name: Check with black
	run: \|
	black -l 100 --check src/ tests/

	- name: Check with mypy
	run: \|
	mypy --config-file mypy.ini --ignore-missing-imports src

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