def empty_hdf5_file(h5f, ifo=None):
    """Determine whether PyCBC-HDF5 file is empty

    A file is considered empty if it contains no groups at the base level,
    or if the ``ifo`` group contains only the ``psd`` dataset.

    Parameters
    ----------
    h5f : `str`
        path of the pycbc_live file to test

    ifo : `str`, optional
        prefix for the interferometer of interest (e.g. ``'L1'``),
        include this for a more robust test of 'emptiness'

    Returns
    -------
    empty : `bool`
        `True` if the file looks to have no content, otherwise `False`
    """
    # the decorator opens the HDF5 file for us, so h5f is guaranteed to
    # be an h5py.Group object
    h5f = h5f.file
    if list(h5f) == []:
        return True
    if ifo is not None and (ifo not in h5f or list(h5f[ifo]) == ['psd']):
        return True
    return False
def empty_hdf5_file ( h5f , ifo = None ) : h5f = h5f . file if list ( h5f ) == [ ] : return True if ifo is not None and ( ifo not in h5f or list ( h5f [ ifo ] ) == [ 'psd' ] ) : return True return False
Determine whether PyCBC-HDF5 file is empty

    A file is considered empty if it contains no groups at the base level,
    or if the ``ifo`` group contains only the ``psd`` dataset.

    Parameters
    ----------
    h5f : `str`
        path of the pycbc_live file to test

    ifo : `str`, optional
        prefix for the interferometer of interest (e.g. ``'L1'``),
        include this for a more robust test of 'emptiness'

    Returns
    -------
    empty : `bool`
        `True` if the file looks to have no content, otherwise `False`