Use OrderedDict to preserve order of models when listing models

pyramid_formalchemy/views.py

@@ -29,6 +29,12 @@
 except ImportError:
     import json
 
+try:
+    from collections import OrderedDict
+except ImportError:
+    from ordereddict import OrderedDict
+
+
 class Session(object):
     """A abstract class to implement other backend than SA"""
     def add(self, record):
@@ -106,7 +112,7 @@ def models(self, **kwargs):
                     if has_permission('view', obj, request) or not hasattr(obj, '__acl__'):
                         models.append(obj)
 
-        results = {}
+        results = OrderedDict()  # preserve order of models
         for m in models:
             if request.format == 'html':
                 url = request.fa_url(m.__name__)

setup.py

@@ -1,4 +1,5 @@
 import os
+import sys
 
 from setuptools import setup, find_packages
 
@@ -8,8 +9,10 @@
 
 requires = ['pyramid>=1.1', 'WebError', 'FormAlchemy>=1.3.8', 'Babel',
             'zope.component']
+if sys.version_info < (2, 7):
+    requires.append('ordereddict')
 
-version = '0.4.4dev'
+version = '0.4.4dev2'
 
 setup(name='pyramid_formalchemy',
       version=version,