def METHOD_NAME(self):
    """Parse command line arguments.
    :returns: Command line arugment information as argparse.Namespace.
    """
    parser = argparse.ArgumentParser()
    parser.add_argument("--impulse-data", action="store", type=str, dest="filename_fault", default=self.filename_fault, help="Fault HDF5 data file from Green's function simulation.")
    parser.add_argument("--impulse-responses", action="store", type=str, dest="filename_responses", default=self.filename_responses, help="Station HDF5 data file from Green's function simulation.")
    parser.add_argument("--observed-data", action="store", type=str, dest="filename_observed", default=self.filename_observed, help="Station HDF5 data file from variable slip simulation.")
    parser.add_argument("--penalties", action="store", type=str, dest="penalties", default="0.01,0.1,1.0", help="Comma separated list of penalties.")
    parser.add_argument("--output", action="store", type=str, dest="filename_output", default=self.filename_output, help="Name of output file with inversion results.")
    return parser.parse_args()