milton0825 commented on a change in pull request #5283: [AIRFLOW-4521] Pause
dag also pause its subdags
URL: https://github.com/apache/airflow/pull/5283#discussion_r288853610
##########
File path: airflow/models/dag.py
##########
@@ -1522,3 +1522,46 @@ def create_dagrun(self,
external_trigger=external_trigger,
conf=conf,
session=session)
+
+ @classmethod
+ def _find_dag_ids_including_subdags(cls, dag: DAG):
+ from airflow.operators.subdag_operator import SubDagOperator # Avoid
circular imports
+ dag_ids = [dag.dag_id]
+ for task in dag.tasks:
+ if isinstance(task, SubDagOperator):
+ subdag = task.subdag
+ dag_ids.extend(cls._find_dag_ids_including_subdags(subdag))
+ return dag_ids
+
+ @classmethod
+ @provide_session
+ def set_is_paused(cls,
+ dag_id: str,
+ is_paused: bool,
+ including_subdags: bool = True,
+ subdir: str = None,
+ session=None) -> None:
+ """
+ Pause/Un-pause a DAG.
+
+ :param dag_id: DAG ID
+ :param is_paused: Is the DAG paused
+ :param including_subdags: whether to include the DAG's subdags
+ :param subdir: where to find the DAG files
+ :param session: session
+ """
+ dag_ids = [] # type: List[str]
+ if including_subdags:
+ dagbag = DagBag(dag_folder=subdir)
Review comment:
@ashb https://github.com/apache/airflow/pull/5342
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