add ruff to ci/cd #36

	name: Linting

	on:
	push:
	branches: [main, 4.2, 3.4]
	pull_request:
	branches: [main]

	permissions:
	contents: read

	jobs:
	build:
	# runs-on: ubuntu-latest
	runs-on: ${{ matrix.os }}
	strategy:
	fail-fast: false
	matrix:
	python-version: ["3.12"]
	os: ["ubuntu-latest"]

	steps:
	- uses: actions/checkout@v4
	- name: Set up Python
	uses: actions/[email protected]
	with:
	python-version: ${{ matrix.python-version }}

	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install -r requirements.txt
	pip install psutil
	pip install flake8
	pip install ruff

	- name: flake8
	run: \|
	flake8 . --exclude src/exabgp/vendoring/ --exclude build/ --exclude site-packages --count --select=E9,F63,F7,F82 --show-source --statistics

	- name: ruff
	run: \|
	ruff check src

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