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 :