towards supporting python 2 and 3

- use absolute_imports
- make use of six.moves
- use exec instead of execfile
- use list(dict) instead if dict.keys()

pandora/news/admin.py

@@ -1,9 +1,10 @@
 # -*- coding: utf-8 -*-
 # vi:si:et:sw=4:sts=4:ts=4
+from __future__ import division, print_function, absolute_import
 
 from django.contrib import admin
 
-import models
+from . import models
 
 
 class NewsAdmin(admin.ModelAdmin):

pandora/news/models.py

@@ -1,11 +1,11 @@
 # -*- coding: utf-8 -*-
 # vi:si:et:sw=4:sts=4:ts=4
-from __future__ import division, with_statement
+from __future__ import division, print_function, absolute_import
 
 from django.db import models
 import ox
 
-import managers
+from . import managers
 
 
 class News(models.Model):
@@ -35,7 +35,7 @@ class News(models.Model):
             'text': self.text,
         }
         if keys:
-            for key in j.keys():
+            for key in list(j):
                 if key not in keys:
                     del j[key]
         return j

pandora/news/views.py

@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 # vi:si:et:sw=4:sts=4:ts=4
-from __future__ import division
+from __future__ import division, print_function, absolute_import
 
 import ox
 from ox.utils import json
@@ -11,7 +11,7 @@ from oxdjango.shortcuts import render_to_json_response, get_object_or_404_json,
 from oxdjango.api import actions
 from changelog.models import add_changelog
 
-import models
+from . import models
 
 def getNews(request, data):
     '''