Use slots flag with datastore records dataclasses

lsst · Oct 17, 2023 · d147228 · d147228
1 parent 19ac7b3
commit d147228
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Showing 2 changed files with 2 additions and 6 deletions.
diff --git a/python/lsst/daf/butler/datastore/stored_file_info.py b/python/lsst/daf/butler/datastore/stored_file_info.py
@@ -170,12 +170,10 @@ def from_records(
         return [klass.from_record(record) for record in records]
 
 
-@dataclass(frozen=True)
+@dataclass(frozen=True, slots=True)
 class StoredFileInfo(StoredDatastoreItemInfo):
     """Datastore-private metadata associated with a Datastore file."""
 
-    __slots__ = {"formatter", "path", "storageClass", "component", "checksum", "file_size"}
-
     storageClassFactory = StorageClassFactory()
 
     def __init__(

diff --git a/python/lsst/daf/butler/datastores/inMemoryDatastore.py b/python/lsst/daf/butler/datastores/inMemoryDatastore.py
@@ -54,14 +54,12 @@
 log = logging.getLogger(__name__)
 
 
-@dataclass(frozen=True)
+@dataclass(frozen=True, slots=True)
 class StoredMemoryItemInfo(StoredDatastoreItemInfo):
     """Internal InMemoryDatastore Metadata associated with a stored
     DatasetRef.
     """
 
-    __slots__ = {"timestamp", "storageClass", "parentID"}
-
     timestamp: float
     """Unix timestamp indicating the time the dataset was stored."""