pateash commented on a change in pull request #16931:
URL: https://github.com/apache/airflow/pull/16931#discussion_r670949174
##########
File path: airflow/models/dag.py
##########
@@ -2404,6 +2404,20 @@ def __repr__(self):
def timezone(self):
return settings.TIMEZONE
+ @property
+ def timetable(self) -> Timetable:
+ interval = self.schedule_interval
+ if interval is None:
+ return NullTimetable()
+ if interval == "@once":
+ return OnceTimetable()
+ if isinstance(interval, (timedelta, relativedelta)):
+ return DeltaDataIntervalTimetable(interval)
+ if isinstance(interval, str):
+ return CronDataIntervalTimetable(interval, self.timezone)
+ type_name = type(interval).__name__
+ raise TypeError(f"{type_name} is not a valid DAG.schedule_interval.")
Review comment:
Yeah, thought about the same,
but I am also not sure, how to do it,
we can create a base table like DagBase which will have the common
properties, but I think it's a overkill for now.
```python
class DagBase(Base):
"""A Base Class for Dag"""
@cached_property
def timetable(self) -> Timetable:
interval = self.schedule_interval
if interval is None:
return NullTimetable()
if interval == "@once":
return OnceTimetable()
if isinstance(interval, (timedelta, relativedelta)):
return DeltaDataIntervalTimetable(interval)
if isinstance(interval, str):
return CronDataIntervalTimetable(interval, self.timezone)
type_name = type(interval).__name__
raise TypeError(f"{type_name} is not a valid DAG.schedule_interval.")
```
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