USHIFT-1030: Install pylint in virtual environment for CI

Makefile

@@ -147,11 +147,7 @@ verify-sh:
 
 .PHONY: verify-py
 verify-py:
-	@if ! command -v pylint &>/dev/null; then \
-		pip3 install pylint ; \
-	fi
-	pylint --variable-naming-style=any \
-	$$(find . -type d \( -path ./_output -o -path ./vendor -o -path ./assets -o -path ./etcd/vendor \) -prune -o -name '*.py' -print)
+	./hack/verify-py.sh
 
 ###############################
 # post install validate       #

hack/verify-py.sh

@@ -0,0 +1,25 @@
+#!/bin/bash
+
+ROOTDIR=$(git rev-parse --show-toplevel)
+REQ_FILE=${ROOTDIR}/requirements.txt
+VENV="/tmp/venv"
+PYLINT="pylint"
+
+if ! command -v ${PYLINT} &>/dev/null; then
+
+    check="$(python3 -m pip install -r ${REQ_FILE} 2>&1 | { grep 'Permission denied' || true; })"
+
+    # Install pylint in a virtual environment for CI
+    if [ ! -z "$check" ] ; then
+        printf "Installing pylint in '${VENV}' virtual environment"
+        python3 -m venv ${VENV}
+ 	    ${VENV}/bin/python3 -m pip install --upgrade pip
+ 	    ${VENV}/bin/python3 -m pip install -r ${REQ_FILE}
+        PYLINT="/tmp/venv/bin/pylint"
+    fi
+fi
+
+PYFILES=$(find . -type d \( -path ./_output -o -path ./vendor -o -path ./assets -o -path ./etcd/vendor \) -prune -o -name '*.py' -print)
+printf "Running ${PYLINT} for \n${PYFILES}\n"
+
+${PYLINT} --variable-naming-style=any ${PYFILES}

requirements.txt

@@ -0,0 +1,7 @@
+PyGithub==1.56
+GitPython==3.1.18
+PyYAML==3.12
+tabulate==0.8.10
+tqdm==4.64.1
+jira==3.2.0
+pylint==2.13.9