Index: leahi_dialin/utils/abstract_classes.py
===================================================================
diff -u -r6c90336ac2cd8cf34ac620cff431a847d9ddf557 -r775f2d7ca9a4d1c86c02bc27130f8765dc4156ad
--- leahi_dialin/utils/abstract_classes.py	(.../abstract_classes.py)	(revision 6c90336ac2cd8cf34ac620cff431a847d9ddf557)
+++ leahi_dialin/utils/abstract_classes.py	(.../abstract_classes.py)	(revision 775f2d7ca9a4d1c86c02bc27130f8765dc4156ad)
@@ -100,11 +100,11 @@
 
             # If it's a instance variable (self.) then set it's value
             if variable_name.startswith('self'):
-                attr_name = variable_name[5:]
-                if not attr_name.isidentifier():
-                    print(f'Invalid attribute name: "{attr_name}"!')
-                    raise ValueError('Invalid attribute name')
-                setattr(self, attr_name, value)
+                attr_path = variable_name[5:].split('.')
+                obj = self
+                for attr in attr_path[:-1]:
+                    obj = getattr(obj, attr)
+                setattr(obj, attr_path[-1], value)
             start_pos = end_pos
             if debug:
                 print('Finished cycle\n')