[REFACTOR] [METEOR-1119] Refactor overview / tiled acquisition code #666

	# This workflow will perform linting on the changed python files of a push or
	# pull request and on the full codebase. For the full# codebase it will not fail
	# if there are linting errors, for the changed files it will fail.

	name: Linting

	on: [push, pull_request]

	jobs:
	lint:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout branch
	uses: actions/checkout@v3
	with:
	fetch-depth: 0

	- name: Get changed files
	id: changed-files
	uses: tj-actions/changed-files@v42

	- name: Setup Python environment
	uses: actions/setup-python@v3

	- name: Install flake8
	run: pip install flake8

	- name: Run flake8 on full codebase
	continue-on-error: true
	# W291 Trailing whitespace
	# W292 No newline at end of file
	# W293 Blank line contains whitespace
	# W391 Blank line at end of file
	# E999 SyntaxError
	# (Exclude the automatically generated files)
	run: flake8 . --select W291,W292,W293,W391,E999 --exclude src/odemis/gui/main_xrc.py,src/odemis/gui/win/dialog_xrc.py

	- name: Run flake8 on changed files
	run: \|
	for changed_file in ${{ steps.changed-files.outputs.all_changed_files }}; do
	if [[ $changed_file == *.py ]]
	then
	flake8 "$changed_file" --select W291,W292,W293,W391,E999 --exclude src/odemis/gui/main_xrc.py,src/odemis/gui/win/dialog_xrc.py
	fi
	done

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