BasPH commented on a change in pull request #6489: [AIRFLOW-3959]
[AIRFLOW-4026] Add filter by DAG tags
URL: https://github.com/apache/airflow/pull/6489#discussion_r344444803
##########
File path: airflow/www/views.py
##########
@@ -246,10 +266,20 @@ def get_int_arg(value, default=0):
DagModel.owners.ilike('%' + arg_search_query + '%')
)
+ if arg_tags_filter:
+ dags_query =
dags_query.filter(DagModel.tags.any(DagTag.name.in_(arg_tags_filter)))
+
if 'all_dags' not in filter_dag_ids:
dags_query =
dags_query.filter(DagModel.dag_id.in_(filter_dag_ids))
dags =
dags_query.order_by(DagModel.dag_id).offset(start).limit(dags_per_page).all()
+ tags = []
+
+ for name, in
session.query(DagTag.name).distinct(DagTag.name).all():
+ value = {'name': name, 'selected': False}
+ if arg_tags_filter and name in arg_tags_filter:
+ value['selected'] = True
+ tags.append(value)
Review comment:
It's not only shorter but list comprehensions are generally also faster.
Does this make it more readable for you? The `True if X else False` can also be
replaced by a single `bool()` call.
```python
dagtags = session.query(DagTag.name).distinct(DagTag.name).all()
tags = [
{"name": name, "selected": bool(arg_tags_filter and name in
arg_tags_filter)}
for name, in dagtags
]
```
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