Style Checks #14775

	# Code lint and style checks
	#
	# This workflow runs code style and lint checks to check if the codes have
	# consistent code style and are high-quality.
	#
	# It is run on every commit to the main and pull request branches. It is also
	# scheduled to run daily on the main branch.
	#
	name: Style Checks

	on:
	push:
	branches: [ main ]
	pull_request:
	# Schedule daily tests
	schedule:
	- cron: '0 0 * * *'

	jobs:
	style_check:
	name: Style Checks
	runs-on: ubuntu-latest

	steps:
	# Checkout current git repository
	- name: Checkout
	uses: actions/[email protected]

	# Setup Python
	- name: Set up Python
	uses: actions/[email protected]
	with:
	python-version: '3.12'

	- name: Install packages
	run: \|
	python -m pip install ruff pre-commit
	python -m pip list

	- name: Formatting check (ruff + pre-commit)
	run: \|
	make check
	pre-commit run --all-files

	- name: Ensure example scripts have at least one code block separator
	run: \|
	git ls-files 'examples/*/.py' \| xargs grep --files-without-match '# %%' > output.txt
	nfiles=$(wc --lines output.txt \| awk '{print $1}')
	if [[ $nfiles > 0 ]]; then
	echo "Code block separator '# %%' is required in following example files:"
	cat output.txt
	rm output.txt
	exit $nfiles
	fi

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