Added a custom json decoder to allow the reference implementation

of the client to decode datetime values

configdb/client/cli.py

@@ -6,6 +6,7 @@ import logging
 import re
 import os
 import sys
+import datetime
 from configdb import exceptions
 from configdb.db import schema
 from configdb.client import connection
@@ -29,11 +30,21 @@ def read_from_file(value):
     with open(value, 'r') as fd:
         return fd.read()
 
+
+class CfdbEncoder(json.JSONEncoder):
+    def default(self, obj):
+        if isinstance(obj, datetime.datetime):
+            return obj.isoformat()
+        # Let the base class default method raise the TypeError
+        return json.JSONEncoder.default(self, obj)
+
+
 class JsonPlain(object):
     @staticmethod
     def pprint(value):
         """Pretty-print value as JSON."""
-        print json.dumps(value, sort_keys=True, indent=4)
+
+        print json.dumps(value, sort_keys=True, indent=4, cls=CfdbEncoder)