papi: update VPPEnumType for python3

Python3 uses __bool__ instead of __nonzero__

Type: fix
Depends-on: https://gerrit.fd.io/r/#/c/20484/

Change-Id: I7dd13d0508ab18d6c50c235f4186006799e92b45
Signed-off-by: Paul Vinciguerra <[email protected]>

diff --git a/src/vpp-api/python/vpp_papi/vpp_serializer.py b/src/vpp-api/python/vpp_papi/vpp_serializer.py
index 9e17c4a..7c7f331 100644 (file)
--- a/src/vpp-api/python/vpp_papi/vpp_serializer.py
+++ b/src/vpp-api/python/vpp_papi/vpp_serializer.py
@@ -327,9 +327,12 @@ class VPPEnumType(object):
     def __getattr__(self, name):
         return self.enum[name]
 
-    def __nonzero__(self):
+    def __bool__(self):
         return True
 
+    if sys.version[0] == '2':
+        __nonzero__ = __bool__
+
     def pack(self, data, kwargs=None):
         return types[self.enumtype].pack(data)