DatasetExistence¶
- class lsst.daf.butler.DatasetExistence(value)¶
Bases:
Flag
Flags representing the different states that a dataset can have in a Butler repository.
If a flag evaluates to
True
that will indicate that a dataset is present in the Butler repository. The different states forKNOWN
andVERIFIED
both evaluate toTrue
and differ solely on whether the artifact was checked to make sure it exists or not.Some flag are combinations of other flags, so in order to determine whether a dataset is present in datastore it is necessary to use logical
AND
.exists = DatasetExistence.VERIFIED if (DatasetExistence.DATASTORE & exists) == DatasetExistence.DATASTORE: # The datastore knows about this dataset.
Attributes Summary
Known to the datastore.
The dataset is known to registry and datastore.
Known to registry or equivalent.
The dataset is not recognized as part of this registry or datastore.
The dataset is known to registry and datastore and the presence of the artifact has been verified.
Attributes Documentation
- KNOWN = 11¶
The dataset is known to registry and datastore. The presence of the artifact in datastore has not been verified.
Evaluates to
True
in Boolean context.