ci: prevent concurrent GH action runs of open pull requests #481

	name: Check Python code formatting

	on:
	push:
	# always check code formatting in all feature branches
	branches-ignore:
	- l10n
	paths:
	- 'src/**'
	- 'requirements.txt'
	- 'test-requirements.txt'
	- 'tests/**'
	- '.github/*/.yml'
	- '.pylintrc'
	- 'pyproject.toml'
	pull_request:
	branches: [main]
	types: [opened, synchronize, reopened]

	# prevent concurrent runs of this workflow for open pull requests
	concurrency:
	group: ${{ github.workflow }}-${{ github.event.pull_request.number \|\| github.ref }}
	cancel-in-progress: true

	permissions:
	contents: read

	jobs:
	test:
	runs-on: ubuntu-24.04

	name: Check Python code formatting
	steps:
	- uses: actions/checkout@v6

	- name: Set up Python
	uses: actions/setup-python@v6
	with:
	python-version: "3.11"

	- name: Install pip
	run: \|
	python -m pip install --upgrade pip

	- name: Install dependencies
	run: \|
	if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
	if [ -f test-requirements.txt ]; then pip install -r test-requirements.txt; fi
	- name: Analyzing the code with pylint
	run: \|
	python -m pylint src
	- name: Lint with flake8
	run: \|
	python -m flake8 src --count --show-source --statistics
	- name: Check code formatting with isort
	run: \|
	python -m isort src/. --check --verbose
	- name: Check code formatting with black
	run: \|
	python -m black src --check --verbose --line-length 120

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