dstandish commented on code in PR #32538:
URL: https://github.com/apache/airflow/pull/32538#discussion_r1263154303
##########
airflow/operators/python.py:
##########
@@ -251,27 +253,37 @@ def execute(self, context: Context) -> Any:
self.log.info("Proceeding with downstream tasks...")
return condition
- downstream_tasks = context["task"].get_flat_relatives(upstream=False)
- self.log.debug("Downstream task IDs %s", downstream_tasks)
+ if not self.downstream_task_ids:
+ self.log.info("No downstream tasks; nothing to do.")
+ return
- if downstream_tasks:
- dag_run = context["dag_run"]
- execution_date = dag_run.execution_date
+ dag_run = context["dag_run"]
+ execution_date = dag_run.execution_date
+ if TYPE_CHECKING:
+ assert isinstance(execution_date, DateTime)
+ def get_tasks_to_skip():
if self.ignore_downstream_trigger_rules is True:
- self.log.info("Skipping all downstream tasks...")
- self.skip(dag_run, execution_date, downstream_tasks,
map_index=context["ti"].map_index)
+ tasks = context["task"].get_flat_relatives(upstream=False)
else:
- self.log.info("Skipping downstream tasks while respecting
trigger rules...")
- # Explicitly setting the state of the direct, downstream
task(s) to "skipped" and letting the
- # Scheduler handle the remaining downstream task(s)
appropriately.
- self.skip(
- dag_run,
- execution_date,
- context["task"].get_direct_relatives(upstream=False),
- map_index=context["ti"].map_index,
- )
-
+ tasks = context["task"].get_direct_relatives(upstream=False)
+ for t in tasks:
+ if not t.is_teardown:
+ yield t
+
+ to_skip = get_tasks_to_skip()
+
+ # this let's us avoid an intermediate list unless debug logging
+ if self.log.getEffectiveLevel() <= logging.DEBUG:
+ self.log.debug("Downstream task IDs %s", to_skip :=
list(get_tasks_to_skip()))
Review Comment:
just going to merge this... if you want to golf it further, you can tag me
in review
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