pyloxi: raise an exception when unimplemented
diff --git a/py_gen/templates/toplevel_init.py b/py_gen/templates/toplevel_init.py
index 72f4c81..b0ee86d 100644
--- a/py_gen/templates/toplevel_init.py
+++ b/py_gen/templates/toplevel_init.py
@@ -56,3 +56,12 @@
Raised when failing to deserialize an invalid OpenFlow message.
"""
pass
+
+class Unimplemented(Exception):
+ """
+ Raised when an OpenFlow feature is not yet implemented in PyLoxi.
+ """
+ pass
+
+def unimplemented(msg):
+ raise Unimplemented(msg)