stringify: introduce _class_suffixes for easy jsonize

class variable '_class_suffixes' can be used for the same purpose as
'_class_prefixes' but match with the suffix of the class name.

Signed-off-by: ISHIDA Wataru <ishida.wataru@lab.ntt.co.jp>
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>

1 files changed, 4 insertions, 0 deletions

diff --git a/ryu/lib/stringify.py b/ryu/lib/stringify.py
index f6b2dca4..1561ca35 100644
--- a/ryu/lib/stringify.py
+++ b/ryu/lib/stringify.py
@@ -105,6 +105,7 @@ class StringifyMixin(object):
     """
 
     _class_prefixes = []
+    _class_suffixes = []
 
     def stringify_attrs(self):
         """an override point for sub classes"""
@@ -133,6 +134,9 @@ class StringifyMixin(object):
         for p in cls._class_prefixes:
             if k.startswith(p):
                 return True
+        for p in cls._class_suffixes:
+            if k.endswith(p):
+                return True
         return False
 
     @classmethod