Use Ruff for linting and formatting #1828

	name: Tests

	on:
	workflow_dispatch:
	push:
	branches:
	- master
	pull_request:
	branches:
	- master

	jobs:
	test:

	runs-on: ubuntu-20.04
	strategy:
	fail-fast: false
	matrix:
	python-version:
	- "3.9"
	- "3.10"
	- "3.11"
	- "3.12"
	- "3.13"
	- "pypy3.9"

	steps:
	- uses: actions/checkout@v4

	- name: Check file permissions
	run: \|
	if [[ "$(find ./gallery_dl -type f -not -perm 644)" ]]; then exit 1; fi

	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python-version }}
	env:
	PIP_TRUSTED_HOST: "pypi.python.org pypi.org files.pythonhosted.org"

	- name: Install dependencies
	run: \|
	pip install -r requirements.txt
	pip install flake8 youtube-dl

	- name: Install yt-dlp
	run: \|
	# install from master
	pip install https://github.com/yt-dlp/yt-dlp/archive/refs/heads/master.tar.gz

	- name: Lint with flake8
	run: \|
	flake8 --max-line-length=100 .

	- name: Run tests
	run: \|
	make test

	- name: Test autogeneration of man pages, bash/zsh/fish completion, etc
	run: \|
	make

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