stale[bot] closed pull request #2233: [AIRFLOW-1098] Fix issue in setting
parent_dag when loading dags
URL: https://github.com/apache/incubator-airflow/pull/2233
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diff --git a/airflow/models.py b/airflow/models.py
index e6374d45e0..c7af17bacc 100755
--- a/airflow/models.py
+++ b/airflow/models.py
@@ -367,7 +367,7 @@ def bag_dag(self, dag, parent_dag, root_dag):
for task in dag.tasks:
settings.policy(task)
- for subdag in dag.subdags:
+ for subdag in dag.direct_subdags:
subdag.full_filepath = dag.full_filepath
subdag.parent_dag = dag
subdag.is_subdag = True
@@ -2994,6 +2994,20 @@ def latest_execution_date(self):
session.close()
return execution_date
+ @property
+ def direct_subdags(self):
+ """
+ Returns only directly connected subdag objects rather than all
associated to this DAG
+ """
+ from airflow.operators.subdag_operator import SubDagOperator
+ l = []
+ for task in self.tasks:
+ if (isinstance(task, SubDagOperator) or
+ #TODO remove in Airflow 2.0
+ type(task).__name__ == 'SubDagOperator'):
+ l.append(task.subdag)
+ return l
+
@property
def subdags(self):
"""
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