From 3ee6030b98f8afdbc3a606ce458e11323e59b23c Mon Sep 17 00:00:00 2001 From: Christian Poessinger Date: Tue, 21 Jul 2020 22:08:22 +0200 Subject: vyos.configdict: T2653: add new reusable helper node_changed() This can be used to see if a tagNode has been changed. It will return a list of changed nodes. --- python/vyos/configdict.py | 18 +++++++++++++++--- 1 file changed, 15 insertions(+), 3 deletions(-) (limited to 'python') diff --git a/python/vyos/configdict.py b/python/vyos/configdict.py index 4fca426cd..7f05a15ed 100644 --- a/python/vyos/configdict.py +++ b/python/vyos/configdict.py @@ -133,17 +133,16 @@ def T2665_default_dict_cleanup(dict): return dict -def leaf_node_changed(conf, key): +def leaf_node_changed(conf, path): """ Check if a leaf node was altered. If it has been altered - values has been changed, or it was added/removed, we will return the old value. If nothing has been changed, None is returned """ from vyos.configdiff import get_config_diff - D = get_config_diff(conf, key_mangling=('-', '_')) D.set_level(conf.get_level()) - (new, old) = D.get_value_diff(key) + (new, old) = D.get_value_diff(path) if new != old: if isinstance(old, str): return old @@ -156,6 +155,19 @@ def leaf_node_changed(conf, key): return None +def node_changed(conf, path): + """ + Check if a leaf node was altered. If it has been altered - values has been + changed, or it was added/removed, we will return the old value. If nothing + has been changed, None is returned + """ + from vyos.configdiff import get_config_diff, Diff + D = get_config_diff(conf, key_mangling=('-', '_')) + D.set_level(conf.get_level()) + # get_child_nodes() will return dict_keys(), mangle this into a list with PEP448 + keys = D.get_child_nodes_diff(path, expand_nodes=Diff.DELETE)['delete'].keys() + return list(keys) + def get_interface_dict(config, base, ifname): """ Common utility function to retrieve and mandgle the interfaces available -- cgit v1.2.3