diff options
-rw-r--r-- | python/vyos/util.py | 22 | ||||
-rw-r--r-- | src/tests/test_dict_search.py | 25 |
2 files changed, 44 insertions, 3 deletions
diff --git a/python/vyos/util.py b/python/vyos/util.py index 5c6409341..32a5ae116 100644 --- a/python/vyos/util.py +++ b/python/vyos/util.py @@ -1,4 +1,4 @@ -# Copyright 2020-2022 VyOS maintainers and contributors <maintainers@vyos.io> +# Copyright 2020-2023 VyOS maintainers and contributors <maintainers@vyos.io> # # This library is free software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public @@ -720,6 +720,26 @@ def dict_search(path, dict_object): c = c.get(p, {}) return c.get(parts[-1], None) +def dict_search_recursive(dict_object, key, path=[]): + """ Traverse a dictionary recurisvely and return the value of the key + we are looking for. + Thankfully copied from https://stackoverflow.com/a/19871956 + Modified to yield optional path to found keys + """ + if isinstance(dict_object, list): + for i in dict_object: + new_path = path + [i] + for x in dict_search_recursive(i, key, new_path): + yield x + elif isinstance(dict_object, dict): + if key in dict_object: + new_path = path + [key] + yield dict_object[key], new_path + for k, j in dict_object.items(): + new_path = path + [k] + for x in dict_search_recursive(j, key, new_path): + yield x + def convert_data(data): """Convert multiple types of data to types usable in CLI diff --git a/src/tests/test_dict_search.py b/src/tests/test_dict_search.py index 6a0fc74ad..deee9a657 100644 --- a/src/tests/test_dict_search.py +++ b/src/tests/test_dict_search.py @@ -1,6 +1,6 @@ #!/usr/bin/env python3 # -# Copyright (C) 2020 VyOS maintainers and contributors +# Copyright (C) 2020-2023 VyOS maintainers and contributors # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License version 2 or later as @@ -16,14 +16,28 @@ from unittest import TestCase from vyos.util import dict_search +from vyos.util import dict_search_recursive data = { 'string': 'fooo', 'nested': {'string': 'bar', 'empty': '', 'list': ['foo', 'bar']}, + 'non': {}, 'list': ['bar', 'baz'], - 'dict': {'key_1': {}, 'key_2': 'vyos'} + 'dict': {'key_1': {}, 'key_2': 'vyos'}, + 'interfaces': {'dummy': {'dum0': {'address': ['192.0.2.17/29']}}, + 'ethernet': {'eth0': {'address': ['2001:db8::1/64', '192.0.2.1/29'], + 'description': 'Test123', + 'duplex': 'auto', + 'hw_id': '00:00:00:00:00:01', + 'speed': 'auto'}, + 'eth1': {'address': ['192.0.2.9/29'], + 'description': 'Test456', + 'duplex': 'auto', + 'hw_id': '00:00:00:00:00:02', + 'speed': 'auto'}}} } + class TestDictSearch(TestCase): def setUp(self): pass @@ -55,3 +69,10 @@ class TestDictSearch(TestCase): def test_nested_list(self): # TestDictSearch: Return list items when querying nested list self.assertEqual(dict_search('nested.list', data), data['nested']['list']) + + def test_dict_search_recursive(self): + # Test nested search in dictionary + tmp = list(dict_search_recursive(data, 'hw_id')) + self.assertEqual(len(tmp), 2) + tmp = list(dict_search_recursive(data, 'address')) + self.assertEqual(len(tmp), 3) |