Add validator invocation logging to all grader wrappers

server/graders/grader_api.py

@@ -27,34 +27,41 @@ def _extract(result):
 
 def grade_task1(x):
     """Task 1 (JSON) grader wrapper."""
+    print("[VALIDATOR] grade_task1 called")
     return _extract(_g1(x))
 
 
 def grade_task2(x):
     """Task 2 (YAML) grader wrapper."""
+    print("[VALIDATOR] grade_task2 called")
     return _extract(_g2(x))
 
 
 def grade_task3(x):
     """Task 3 (Dockerfile) grader wrapper."""
+    print("[VALIDATOR] grade_task3 called")
     return _extract(_g3(x))
 
 
 def grade_task4(x):
     """Task 4 (Docker Compose) grader wrapper."""
+    print("[VALIDATOR] grade_task4 called")
     return _extract(_g4(x))
 
 
 def grade_task5(x):
     """Task 5 (Kubernetes) grader wrapper."""
+    print("[VALIDATOR] grade_task5 called")
     return _extract(_g5(x))
 
 
 def grade_task6(x):
     """Task 6 (GitHub Actions) grader wrapper."""
+    print("[VALIDATOR] grade_task6 called")
     return _extract(_g6(x))
 
 
 def grade_task7(x):
     """Task 7 (Nginx) grader wrapper."""
+    print("[VALIDATOR] grade_task7 called")
     return _extract(_g7(x))