python-codecs: wip

plugins/python-codecs/src/util.py

@@ -0,0 +1,10 @@
+def optional_chain(root, *keys):
+    result = root
+    for k in keys:
+        if isinstance(result, dict):
+            result = result.get(k, None)
+        else:
+            result = getattr(result, k, None)
+        if result is None:
+            break
+    return result