uranusjr commented on code in PR #60204:
URL: https://github.com/apache/airflow/pull/60204#discussion_r2689853782
##########
airflow-core/src/airflow/serialization/encoders.py:
##########
@@ -347,3 +364,41 @@ def ensure_serialized_asset(obj: BaseAsset |
SerializedAssetBase) -> SerializedA
from airflow.serialization.decoders import decode_asset_like
return decode_asset_like(encode_asset_like(obj))
+
+
+class _PartitionMapperSerializer:
+ BUILTIN_PARTITION_MAPPERS: dict[type, str] = {
+ IdentityMapper: "airflow.timetables.simple.IdentityMapper",
+ }
+
+ @functools.singledispatchmethod
+ def serialize(self, partition_mapper: PartitionMapper) -> dict[str, Any]:
+ raise NotImplementedError
+
+ @serialize.register
+ def _(self, partition_mapper: IdentityMapper) -> dict[str, Any]:
+ return {}
Review Comment:
If we want to build this for future-proof when custom partition mapper
classes, maybe _TimetableSerializer can be renamed to also handle this? These
singledispatchmethods are all independent; they can live on the same class.
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