GitHub Actions: Add pylint problem matcher (#37463)

* GitHub Actions: Add pylint problem matcher

* Create a pylint issue to test

* Create another pylint issue to test

* Register problem matcher in same step

* Apply possible workaround

* Disable problem matcher to catch raw output

* Trying again with new CI containers

* Extend problem matcher with errors and warnings

* Improve matching, keep error code in message

* Revert "Create another pylint issue to test"

This reverts commit a90e23656eaddd4f1c2995572cc39a0d41022a5f.

* Revert "Create a pylint issue to test"

This reverts commit 9dd5148eb4ef74c3261144426d1b0b0f337cb3e5.

* Fix stable name in job description

.github/workflows/ci.yaml

@@ -631,6 +631,9 @@ jobs:
         run: |
           echo "Failed to restore Python virtual environment from cache"
           exit 1
+      - name: Register pylint problem matcher
+        run: |
+          echo "::add-matcher::.github/workflows/matchers/pylint.json"
       - name: Run pylint
         run: |
           . venv/bin/activate

.github/workflows/matchers/pylint.json

@@ -0,0 +1,32 @@
+{
+  "problemMatcher": [
+    {
+      "owner": "pylint-error",
+      "severity": "error",
+      "pattern": [
+        {
+          "regexp": "^(.+):(\\d+):(\\d+):\\s(([EF]\\d{4}):\\s.+)$",
+          "file": 1,
+          "line": 2,
+          "column": 3,
+          "message": 4,
+          "code": 5
+        }
+      ]
+    },
+    {
+      "owner": "pylint-warning",
+      "severity": "warning",
+      "pattern": [
+        {
+          "regexp": "^(.+):(\\d+):(\\d+):\\s(([CRW]\\d{4}):\\s.+)$",
+          "file": 1,
+          "line": 2,
+          "column": 3,
+          "message": 4,
+          "code": 5
+        }
+      ]
+    }
+  ]
+}