addDatasetType¶
- 
lsst.daf.butler.tests.addDatasetType(butler: lsst.daf.butler._butler.Butler, name: str, dimensions: Set[str], storageClass: str) → lsst.daf.butler.core.datasets.type.DatasetType¶ Add a new dataset type to a repository.
Parameters: - butler : 
lsst.daf.butler.Butler The repository to update.
- name : 
str The name of the dataset type.
- dimensions : 
set[str] The dimensions of the new dataset type.
- storageClass : 
str The storage class the dataset will use.
Returns: - datasetType : 
lsst.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.
- butler :