import sys
import os


import zarr

if __name__ == '__main__':

    if len(sys.argv) != 2:
        print("Usage: python test.py <db_file>")
        sys.exit(1)

    db_name = sys.argv[1]

    proj_root = os.getcwd()
    filename = os.path.join(proj_root, db_name)

    file = zarr.open(filename, mode='r')

    data = file['0/0/ptxt']
    print(data.get_orthogonal_selection((0, slice(0,4,2))))