🏗️ Build spiders: Middlesex County mixin + 30 spiders #23

	name: CI

	on: [push, pull_request]

	env:
	CI: true
	PIPENV_VENV_IN_PROJECT: true
	AUTOTHROTTLE_MAX_DELAY: 30.0
	AUTOTHROTTLE_START_DELAY: 1.5
	AUTOTHROTTLE_TARGET_CONCURRENCY: 3.0

	jobs:
	check:
	runs-on: ubuntu-latest
	strategy:
	max-parallel: 4
	matrix:
	python-version: [3.9]

	steps:
	- uses: actions/checkout@v1

	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v1
	with:
	python-version: ${{ matrix.python-version }}

	- name: Install Pipenv
	run: pip install --user pipenv

	- name: Cache Python dependencies
	uses: actions/cache@v1
	with:
	path: .venv
	key: pip-${{ matrix.python-version }}-${{ hashFiles('**/Pipfile.lock') }}
	restore-keys: \|
	pip-${{ matrix.python-version }}-
	pip-

	- name: Install dependencies
	run: pipenv sync --dev
	env:
	PIPENV_DEFAULT_PYTHON_VERSION: ${{ matrix.python-version }}

	- name: Check imports with isort
	run: \|
	pipenv run isort . --check-only

	- name: Check style with black
	run: \|
	pipenv run black . --check

	- name: Lint with flake8
	run: \|
	pipenv run flake8 .

	- name: Test with pytest
	# Ignores exit code 5 (no tests collected)
	run: \|
	pipenv run pytest \|\| [ $? -eq 5 ]

	- name: Validate output with scrapy
	if: github.event_name == 'pull_request'
	run: \|
	git checkout ${{ github.base_ref }}
	git checkout $(git show-ref \| grep pull \| awk '{ print $2 }')
	git diff-index --name-only --diff-filter=d $(git merge-base HEAD ${{ github.base_ref }}) \| \
	grep -Pio '(?<=/spiders/).*(?=\.py)' \| \
	xargs pipenv run scrapy validate

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