Merge pull request #3 from seandstewart/sean/initial-release #75

	name: Lint

	on: [push, pull_request]

	jobs:
	build:

	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	os: [ubuntu-latest]
	python-version: ["3.9"]
	poetry-version: ["1.4.2"]

	steps:
	- uses: actions/checkout@v2

	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}

	- name: Display Python version
	run: python -c "import sys; print(f'Python {sys.version} on {sys.platform}')"

	- name: Install Poetry
	uses: abatilo/actions-poetry@v2.1.3
	with:
	poetry-version: ${{ matrix.poetry-version }}

	- name: Cache Poetry virtualenv
	uses: actions/cache@v1
	id: cache
	with:
	path: ./.venv
	key: poetry-lint-${{ runner.os }}-${{ matrix.python-version }}-${{ hashFiles('poetry.lock') }}
	restore-keys: \|
	poetry-lint-${{ runner.os }}-${{ matrix.python-version }}-${{ hashFiles('poetry.lock') }}

	- name: Set Poetry config
	run: \|
	poetry config virtualenvs.in-project true

	- name: Install Dependencies (with Lint)
	run: poetry install --all-extras

	- name: Lint with flake8
	run: "poetry run flake8 ."

	- name: Check Formatting with Black
	run: "poetry run black . --check"

	- name: Static type-check with MyPy
	run: \|
	poetry run mypy yesql --show-error-codes

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