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authorChristian Poessinger <christian@poessinger.com>2019-09-04 21:50:04 +0200
committerChristian Poessinger <christian@poessinger.com>2019-09-04 22:03:10 +0200
commit64d58eda4c1ebaa9d346d65d606d2a75694467ee (patch)
tree4f4c9b9720da401863c664a87e68ceda6a645377 /python
parentff34756f534bfc0f09a5ab6db0d36e1bf43546a8 (diff)
downloadvyos-1x-64d58eda4c1ebaa9d346d65d606d2a75694467ee.tar.gz
vyos-1x-64d58eda4c1ebaa9d346d65d606d2a75694467ee.zip
Python/configdict: add list_diff function to compare two lists
A list containing only unique elements not part of the other list is returned. This is usefull to check e.g. which IP addresses need to be removed from the OS.
Diffstat (limited to 'python')
-rw-r--r--python/vyos/configdict.py8
1 files changed, 8 insertions, 0 deletions
diff --git a/python/vyos/configdict.py b/python/vyos/configdict.py
index 157011839..a723c5322 100644
--- a/python/vyos/configdict.py
+++ b/python/vyos/configdict.py
@@ -78,3 +78,11 @@ def retrieve_config(path_hash, base_path, config):
config_hash[k][node] = retrieve_config(inner_hash, path + [node], config)
return config_hash
+
+
+def list_diff(first, second):
+ """
+ Diff two dictionaries and return only unique items
+ """
+ second = set(second)
+ return [item for item in first if item not in second]