addDatasetType

lsst.daf.butler.tests.addDatasetType(butler: Butler, name: str, dimensions: set[str], storageClass: str) → DatasetType

Add a new dataset type to a repository.

Parameters:

butlerlsst.daf.butler.Butler

The repository to update.

namestr

The name of the dataset type.

dimensionsset [str]

The dimensions of the new dataset type.

storageClassstr

The storage class the dataset will use.

Returns:

datasetTypelsst.daf.butler.DatasetType

The new type.

Raises:

ValueError

Raised if the dimensions or storage class is invalid.

Notes

Dataset types are shared across all collections in a repository, so this function does not need to be run for each collection.