BasPH commented on a change in pull request #4396: [AIRFLOW-3585] - Add edges
to database
URL: https://github.com/apache/airflow/pull/4396#discussion_r257132000
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File path: airflow/www/views.py
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@@ -1293,24 +1303,28 @@ def set_duration(tid):
def graph(self, session=None):
dag_id = request.args.get('dag_id')
blur = conf.getboolean('webserver', 'demo_mode')
- dag = dagbag.get_dag(dag_id)
- if dag_id not in dagbag.dags:
- flash('DAG "{0}" seems to be missing.'.format(dag_id), "error")
- return redirect('/')
-
root = request.args.get('root')
if root:
- dag = dag.sub_dag(
- task_regex=root,
- include_upstream=True,
- include_downstream=False)
+ show_dag_id = root
+ else:
+ show_dag_id = dag_id
+ dag = session.query(models.DagModel).filter(models.DagModel.dag_id ==
show_dag_id).first()
+ if not dag:
+ flash('DAG "{0}" seems to be missing.'.format(show_dag_id),
"error")
Review comment:
That doesn't sound very convincing. Would instead write `DAG "{0}" not found`
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