hdf5 tree visualizer

h5tree.py

import h5py

def h5tree(base, key='/', depth=1):
    if isinstance(base, h5py.Group):
        return key + '\n' + '\n'.join('  ' * depth + h5tree(obj, key, depth + 1) for key, obj in base.items())
    else:
        blist = str(base[()]).split('\n', maxsplit=1)
        return '{}: {}'.format(key, blist.pop(0) + (' (...)' if blist else ''))