Calipso initial release for OPNFV

Change-Id: I7210c244b0c10fa80bfa8c77cb86c9d6ddf8bc88
Signed-off-by: Yaron Yogev <yaronyogev@gmail.com>

1 files changed, 40 insertions, 0 deletions

diff --git a/app/utils/dict_naming_converter.py b/app/utils/dict_naming_converter.py
new file mode 100644
index 0000000..91fea2e
--- /dev/null
+++ b/app/utils/dict_naming_converter.py
@@ -0,0 +1,40 @@
+###############################################################################
+# Copyright (c) 2017 Koren Lev (Cisco Systems), Yaron Yogev (Cisco Systems)   #
+# and others                                                                  #
+#                                                                             #
+# All rights reserved. This program and the accompanying materials            #
+# are made available under the terms of the Apache License, Version 2.0       #
+# which accompanies this distribution, and is available at                    #
+# http://www.apache.org/licenses/LICENSE-2.0                                  #
+###############################################################################
+from bson.objectid import ObjectId
+
+
+class DictNamingConverter:
+
+    # Convert a nested dictionary from one convention to another.
+    # Args:
+    #     d (dict): dictionary (nested or not) to be converted.
+    #     cf (func): convert function - takes the string in one convention,
+    #                returns it in the other one.
+    # Returns:
+    #     Dictionary with the new keys.
+    @staticmethod
+    def change_dict_naming_convention(d, cf):
+        new = {}
+        if not d:
+            return d
+        if isinstance(d, str):
+            return d
+        if isinstance(d, ObjectId):
+            return d
+        for k, v in d.items():
+            new_v = v
+            if isinstance(v, dict):
+                new_v = DictNamingConverter.change_dict_naming_convention(v, cf)
+            elif isinstance(v, list):
+                new_v = list()
+                for x in v:
+                    new_v.append(DictNamingConverter.change_dict_naming_convention(x, cf))
+            new[cf(k)] = new_v
+        return new