uranusjr commented on code in PR #46846:
URL: https://github.com/apache/airflow/pull/46846#discussion_r1970196042
##########
airflow/timetables/trigger.py:
##########
@@ -61,7 +62,122 @@ def _deserialize_run_immediately(value: bool | float) ->
bool | datetime.timedel
return value
-class CronTriggerTimetable(CronMixin, Timetable):
+class _TriggerTimetable(Timetable):
+ _interval: datetime.timedelta | relativedelta
+
+ def infer_manual_data_interval(self, *, run_after: DateTime) ->
DataInterval:
+ return DataInterval(
+ coerce_datetime(run_after - self._interval),
+ run_after,
+ )
+
+ def _calc_first_run(self) -> DateTime:
+ """
+ If no start_time is set, determine the start.
+
+ If True, always prefer past run, if False, never. If None, if within
10% of next run,
+ if timedelta, if within that timedelta from past run.
Review Comment:
See discussion in #41558
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