Disable user registration #55

	name: Linter
	on: pull_request
	jobs:
	PyLint:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2

	- name: Run checks
	run: \|
	URL="https://api.github.com/repos/${{ github.repository }}/pulls/${{ github.event.pull_request.number }}/files"
	PR_FILES=$(curl -s -X GET -G $URL \| jq -r '.[] \| select(.status != "removed") \| .filename')
	for files in $PR_FILES; do
	extension="${files##*.}"
	if [[ $extension == 'py' ]]; then
	changed_files_pylint+=" ${files}"
	fi
	done

	if [[ ! -z ${changed_files_pylint} ]]; then
	sudo apt-get --no-install-recommends install -y build-essential curl python3-dev python3-pip python3-venv
	python3 -m venv .env
	. .env/bin/activate
	pip install -U pip wheel setuptools
	pip install pylint-json2html
	pip install $(egrep "pylint.*" ./cvat/requirements/development.txt)
	pip install $(egrep "Django.*" ./cvat/requirements/base.txt)
	mkdir -p pylint_report

	echo "Pylint version: "`pylint --version \| head -1`
	echo "The files will be checked: "`echo ${changed_files_pylint}`
	pylint ${changed_files_pylint} --output-format=json > ./pylint_report/pylint_checks.json \|\| exit_code=`echo $?` \|\| true
	pylint-json2html -o ./pylint_report/pylint_checks.html ./pylint_report/pylint_checks.json
	deactivate
	exit ${exit_code}
	else
	echo "No files with the \"py\" extension found"
	fi

	- name: Upload artifacts
	if: failure()
	uses: actions/upload-artifact@v2
	with:
	name: pylint_report
	path: pylint_report

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