TMSS-190: (and TMSS-152) use/borrow QA spec from target if not given for calibrator obs

SAS/TMSS/src/tmss/tmssapp/subtasks.py

@@ -246,6 +246,15 @@ def create_qafile_subtask_from_observation_subtask(observation_subtask: Subtask)
             SubtaskType.Choices.QA_FILES.value, observation_subtask.pk))
 
     obs_task_spec = observation_subtask.task_blueprint.specifications_doc
+
+    if "QA" not in obs_task_spec:
+        # use QA settings from target obs for calibrators which have no QA spec.
+        target_task_blueprint = get_related_target_observation_task_blueprint(observation_subtask.task_blueprint)
+        if target_task_blueprint is not None:
+            obs_task_spec = target_task_blueprint.specifications_doc
+            logger.info("Using QA settings for calibrator observation task_blueprint id=%s from target observation task_blueprint id=%s to create QA subtasks",
+                        observation_subtask.task_blueprint.id, target_task_blueprint.id)
+
     obs_task_qafile_spec = obs_task_spec.get("QA", {}).get("file_conversion", {})
 
     if not obs_task_qafile_spec.get("enabled", False):
@@ -310,6 +319,15 @@ def create_qaplots_subtask_from_qafile_subtask(qafile_subtask: Subtask) -> Subta
             qafile_subtask.specifications_template.type, SubtaskType.Choices.QA_FILES.value))
 
     obs_task_spec = qafile_subtask.task_blueprint.specifications_doc
+
+    if "QA" not in obs_task_spec:
+        # use QA settings from target obs for calibrators which have no QA spec.
+        target_task_blueprint = get_related_target_observation_task_blueprint(qafile_subtask.task_blueprint)
+        if target_task_blueprint is not None:
+            obs_task_spec = target_task_blueprint.specifications_doc
+            logger.info("Using QA settings for calibrator observation task_blueprint id=%s from target observation task_blueprint id=%s to create QA subtasks",
+                        qafile_subtask.task_blueprint.id, target_task_blueprint.id)
+
     obs_task_qaplots_spec = obs_task_spec.get("QA", {}).get("plots", {})
 
     if not obs_task_qaplots_spec.get("enabled", False):