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Source code for galaxy.model.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, collection_type)) return split_elements