potiuk commented on code in PR #30641:
URL: https://github.com/apache/airflow/pull/30641#discussion_r1166790878
##########
airflow/models/xcom_arg.py:
##########
@@ -332,7 +341,23 @@ def get_task_map_length(self, run_id: str, *, session:
Session) -> int | None:
@provide_session
def resolve(self, context: Context, session: Session = NEW_SESSION) -> Any:
- ti = context["ti"]
+ from airflow.models.taskinstance import TaskInstance
+
+ context_ti = context["ti"]
+ if isinstance(context_ti, TaskInstance):
+ ti = context_ti
+ else:
+ ti = (
+ session.query(TaskInstance)
+ .filter_by(
+ dag_id=context_ti.dag_id,
+ task_id=context_ti.task_id,
+ run_id=context_ti.run_id,
+ map_index=context_ti.map_index,
+ )
+ .one()
+ )
+
Review Comment:
Prepend it with `assert(isinstance(ti, TaskInstance), "Wait for AIP-44
implementation to complete")` -> this will satisfy MyPy and will allow us to
implement AIP-44 veriant when our tests will start failing with the assert.
(and assert will be optimized away).
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