From af86b86d1c85106dca6a8c9fa373fd36239dcc08 Mon Sep 17 00:00:00 2001 From: John Estabrook Date: Sun, 29 Mar 2026 21:01:36 -0500 Subject: T8445: add falsy callable This is useful as default value for a getattr of a function from a module. --- python/vyos/utils/func.py | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 python/vyos/utils/func.py (limited to 'python') diff --git a/python/vyos/utils/func.py b/python/vyos/utils/func.py new file mode 100644 index 000000000..830b76c94 --- /dev/null +++ b/python/vyos/utils/func.py @@ -0,0 +1,28 @@ +# Copyright (C) VyOS Inc. +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library. If not, see . + + +"""Module for functors and higher order functions.""" + + +class FalseCallable: + """Define falsy callable for use as default value for getattr of a + function from a module defined by vyos.utils.system.load_as_module""" + + def __call__(self, *args, **kwargs): + pass + + def __bool__(self): + return False -- cgit v1.2.3