Use six.iteritems() for dict

In Python 3, dict.iteritems() is not supported anymore.

Partial implement: blueprint py33-support

Change-Id: Iec357ce5c5a6d2ffe4085bf26569a926e92e735a

ironicclient/common/base.py

@@ -18,6 +18,7 @@ Base utilities to build API operation managers and objects on top of.
 """
 
 import copy
+import six
 
 
 # Python 2.4 compat
@@ -95,7 +96,7 @@ class Resource(object):
         self._loaded = loaded
 
     def _add_details(self, info):
-        for (k, v) in info.iteritems():
+        for (k, v) in six.iteritems(info):
             setattr(self, k, v)
 
     def __getattr__(self, k):

ironicclient/common/utils.py

@@ -17,6 +17,7 @@ from __future__ import print_function
 
 import argparse
 import os
+import six
 import sys
 import textwrap
 import uuid
@@ -103,7 +104,7 @@ def print_dict(d, dict_property="Property", wrap=0):
     pt = prettytable.PrettyTable([dict_property, 'Value'],
                                  caching=False, print_empty=False)
     pt.align = 'l'
-    for k, v in d.iteritems():
+    for k, v in six.iteritems(d):
         # convert dict to str to check length
         if isinstance(v, dict):
             v = str(v)