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Source code for galaxy.dataset_collections.subcollections

from galaxy import exceptions

[docs]def split_dataset_collection_instance( dataset_collection_instance, collection_type ): """ Split up collection into collection. """ return _split_dataset_collection( dataset_collection_instance.collection, collection_type )
def _split_dataset_collection( dataset_collection, collection_type ): this_collection_type = dataset_collection.collection_type if not this_collection_type.endswith( collection_type ) or this_collection_type == collection_type: raise exceptions.MessageException( "Cannot split collection in desired fashion." ) split_elements = [] for element in dataset_collection.elements: child_collection = element.child_collection if child_collection is None: raise exceptions.MessageException( "Cannot split collection in desired fashion." ) if child_collection.collection_type == collection_type: split_elements.append( element ) else: split_elements.extend( _split_dataset_collection( element.child_collection, element.child_collection.collection_type ) ) return split_elements