Add netaddr.IPAddress support to to_primitive()

This enlightens jsonutils.to_primitive() about how to serialize
netaddr.IPAddress objects. Since these types are serializable
in their native form with just string coercion, just do that here.

Fixes bug 1195097

Change-Id: I358b0731e4d3774e5b36aefb5384fdfb75fd31b6

openstack/common/jsonutils.py

@@ -41,6 +41,7 @@ import json
 import types
 import xmlrpclib
 
+import netaddr
 import six
 
 from openstack.common import timeutils
@@ -137,6 +138,8 @@ def to_primitive(value, convert_instances=False, convert_datetime=True,
             # Likely an instance of something. Watch for cycles.
             # Ignore class member vars.
             return recursive(value.__dict__, level=level + 1)
+        elif isinstance(value, netaddr.IPAddress):
+            return six.text_type(value)
         else:
             if any(test(value) for test in _nasty_type_tests):
                 return six.text_type(value)

requirements.txt

@@ -15,3 +15,4 @@ SQLAlchemy>=0.7.8,<=0.7.9
 http://tarballs.openstack.org/oslo.config/oslo.config-1.2.0a2.tar.gz#egg=oslo.config-1.2.0a2
 qpid-python
 six
+netaddr

tests/unit/test_jsonutils.py

@@ -18,6 +18,7 @@
 import datetime
 import xmlrpclib
 
+import netaddr
 from six import StringIO
 
 from openstack.common import jsonutils
@@ -170,3 +171,8 @@ class ToPrimitiveTestCase(utils.BaseTestCase):
 
         ret = jsonutils.to_primitive(l4_obj, max_depth=4)
         self.assertEquals(ret, json_l4)
+
+    def test_ipaddr(self):
+        thing = {'ip_addr': netaddr.IPAddress('1.2.3.4')}
+        ret = jsonutils.to_primitive(thing)
+        self.assertEquals({'ip_addr': '1.2.3.4'}, ret)