Only validate notebooks have a kernel for .ipynb files

Author: andrii-i

jupyter_scheduler/python_executor.py

@@ -71,6 +71,10 @@ def add_side_effects_files(self, staging_dir: str):
                 )
                 session.commit()
 
+    def validate(cls, input_path: str) -> bool:
+        """Python scripts don't require kernel validation like notebooks."""
+        return True
+
     @classmethod
     def supported_features(cls) -> Dict[JobFeature, bool]:
         return {

jupyter_scheduler/scheduler.py

@@ -442,12 +442,14 @@ def create_job(self, model: CreateJob) -> str:
             raise InputUriError(model.input_uri)
 
         input_path = os.path.join(self.root_dir, model.input_uri)
-        if not self.execution_manager_class.validate(self.execution_manager_class, input_path):
-            raise SchedulerError(
-                """There is no kernel associated with the notebook. Please open
-                    the notebook, select a kernel, and re-submit the job to execute.
-                    """
-            )
+        # Validate notebooks have a kernel (Python scripts and other file types skip this)
+        if input_path.endswith(".ipynb"):
+            if not self.execution_manager_class.validate(self.execution_manager_class, input_path):
+                raise SchedulerError(
+                    """There is no kernel associated with the notebook. Please open
+                        the notebook, select a kernel, and re-submit the job to execute.
+                        """
+                )
 
         with self.db_session() as session:
             if model.idempotency_token: