sunank200 commented on code in PR #37826:
URL: https://github.com/apache/airflow/pull/37826#discussion_r1511528164
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airflow/api_connexion/schemas/dag_schema.py:
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@@ -148,6 +150,37 @@ def get_params(obj: DAG):
params = obj.params
return {k: v.dump() for k, v in params.items()}
+ @staticmethod
+ def get_dataset_expression(obj: DAG):
+ """Convert the dataset_triggers structure from SerializedDagModel into
a dataset_expression."""
+ serialized_dag_model = SerializedDagModel.get(obj.dag_id)
+ if serialized_dag_model:
+ dag_data = serialized_dag_model.data or {}
+ dataset_triggers = dag_data.get("dag", {}).get("dataset_triggers")
+ if isinstance(dataset_triggers, dict):
+ return DAGDetailSchema._parse_dataset_trigger(dataset_triggers)
+ return {}
+
+ @staticmethod
+ def _parse_dataset_trigger(trigger: dict) -> str | dict:
+ """
+ Recursively parse the dataset trigger to build the dataset expression.
+
+ :param trigger: The dataset_triggers to parse
+ """
+ # Direct dataset reference
+ if trigger.get("__type") == "dataset":
+ return trigger["__var"]["uri"]
+
+ # Compound dataset ('any' or 'all')
+ elif "dataset_" in trigger.get("__type", ""): # Checks if type
contains 'dataset_'
+ # Extract 'any' or 'all' from '__type'
+ expr_type = trigger["__type"].split("_")[1]
+ return {expr_type: [DAGDetailSchema._parse_dataset_trigger(t) for
t in trigger["__var"]]}
+
+ # If the type is neither 'dataset' nor starts with 'dataset_', raise
an error
+ raise ValueError(f"Unsupported dataset trigger type:
{trigger.get('__type')}")
Review Comment:
Changed it
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