qdgset/examples/list_objects.py

import zarr
from multiprocessing import Pool
import argparse

def list_all_objects_name(dataset_root_group):
    return [data_object for dataset in dataset_root_group.datasets.values() for data_object in dataset.keys()]


if __name__=='__main__':
    def arg_parser():
        parser = argparse.ArgumentParser()
        parser.add_argument("-d", "--database", help="QDGset zipped zarr data path", type=str)
        return parser.parse_args()

    parser = arg_parser()

    
    path = parser.database


    with zarr.ZipStore(path, mode='r') as store:
        root = zarr.group(store=store)

        all_objects_name = list_all_objects_name(root)

        print(f"There are {len(all_objects_name)} objects in the database")