[core] Fix running pylint via pre-commit from GUI apps (#6754)

.pre-commit-config.yaml

@@ -44,6 +44,6 @@ repos:
     hooks:
       - id: pylint
         name: pylint
-        entry: pylint
-        language: system
+        entry: script/run-in-env.sh pylint
+        language: script
         types: [python]

script/run-in-env.sh

@@ -0,0 +1,13 @@
+#!/usr/bin/env sh
+set -eu
+
+my_path=$(git rev-parse --show-toplevel)
+
+for venv in venv .venv .; do
+  if [ -f "${my_path}/${venv}/bin/activate" ]; then
+    . "${my_path}/${venv}/bin/activate"
+    break
+  fi
+done
+
+exec "$@"