Recursively merge default and user config

src/python/utils.py

@@ -1,8 +1,9 @@
 # Copyright 2019 miruka
 # This file is part of harmonyqml, licensed under LGPLv3.
 
-from enum import Enum
+import collections
 from enum import auto as autostr
+from enum import Enum
 
 auto = autostr  # pylint: disable=invalid-name
 
@@ -11,3 +12,13 @@ class AutoStrEnum(Enum):
     @staticmethod
     def _generate_next_value_(name, *_):
         return name
+
+
+def dict_update_recursive(dict1, dict2):
+    # https://gist.github.com/angstwad/bf22d1822c38a92ec0a9
+    for k in dict2:
+        if (k in dict1 and isinstance(dict1[k], dict) and
+                isinstance(dict2[k], collections.Mapping)):
+            dict_update_recursive(dict1[k], dict2[k])
+        else:
+            dict1[k] = dict2[k]