afw.dataset.skimmed.convert_to_skimmed

afw.dataset.skimmed.convert_to_skimmed(dataset: dict, skim_dir: str) → dict

Replaces a dataset’s list of files with a set of skimmed files on the local disk

Use with caution: skimmed datasets are not checked for accuracy! If dataset definitions or selection code has changed, skimming must be re-ran!

Parameters:

• dataset (dict) – A fully-rendered dataset with files and metadata

• skim_dir (str) – A local directory to check for skims in

Returns:

A fully-rendered dataset with skims replacing root files

Return type:

dict