def groups_option(f):
    new_func = click.option("-g", "--groups",
                            help="Comma-separated list of requirement groups "
                            "to include.")(f)
    return update_wrapper(new_func, f)
def _find_user(self, dn):
        return next(i for (i, d) in enumerate(self.directory) if d["dn"] == dn)