def _get_dep_statuses(self, ti, session, dep_context: DepContext):
# Checking that all upstream dependencies have succeeded
if not ti.task.upstream_list:
yield self._passing_status(
reason="The task instance did not have any upstream tasks.")
return
if ti.task.trigger_rule == TR.ALWAYS:
yield self._passing_status(
reason="The task had a always trigger rule set.")
return
# see if the task name is in the task upstream for our task
successes, skipped, failed, upstream_failed, done = self._get_states_count_upstream_ti(
ti=ti,
finished_tis=dep_context.ensure_finished_tis(
ti.get_dagrun(session), session))
yield from self._evaluate_trigger_rule(
ti=ti,
successes=successes,
skipped=skipped,
failed=failed,
upstream_failed=upstream_failed,
done=done,
flag_upstream_failed=dep_context.flag_upstream_failed,
session=session,
)
