Merge pull request #873 from DavidBord/fix-872

Fix #872: No module named 'django.utils.importlib' (Django dev)

docs/changelog.rst

@@ -5,6 +5,7 @@ Changelog
 
 Changes in 0.9.X - DEV
 ======================
+- No module named 'django.utils.importlib' (Django dev) #872
 - Field Choices Now Accept Subclasses of Documents
 - Ensure Indexes before Each Save #812
 - Generate Unique Indices for Lists of EmbeddedDocuments #358

mongoengine/django/mongo_auth/models.py

@@ -3,7 +3,11 @@ from django.contrib.auth.hashers import make_password
 from django.contrib.auth.models import UserManager
 from django.core.exceptions import ImproperlyConfigured
 from django.db import models
-from django.utils.importlib import import_module
+try:
+    from django.utils.module_loading import import_module
+except ImportError:
+    """Handle older versions of Django"""
+    from django.utils.importlib import import_module
 from django.utils.translation import ugettext_lazy as _
 
 

tests/test_django.py

@@ -19,9 +19,12 @@ settings.configure(
     AUTHENTICATION_BACKENDS = ('mongoengine.django.auth.MongoEngineBackend',)
 )
 
-# For Django >= 1.7
+try:
-if hasattr(django, 'setup'):
+    # For Django >= 1.7
+    if hasattr(django, 'setup'):
         django.setup()
+except RuntimeError:
+    pass
 
 try:
     from django.contrib.auth import authenticate, get_user_model
@@ -34,7 +37,6 @@ try:
     DJ15 = True
 except Exception:
     DJ15 = False
-from django.contrib.sessions.tests import SessionTestsMixin
 from mongoengine.django.sessions import SessionStore, MongoSession
 from mongoengine.django.tests import MongoTestCase
 from datetime import tzinfo, timedelta
@@ -226,13 +228,13 @@ class QuerySetTest(unittest.TestCase):
         self.assertEqual(t.render(c), "10")
 
 
-class MongoDBSessionTest(SessionTestsMixin, unittest.TestCase):
+class _BaseMongoDBSessionTest(unittest.TestCase):
     backend = SessionStore
 
     def setUp(self):
         connect(db='mongoenginetest')
         MongoSession.drop_collection()
-        super(MongoDBSessionTest, self).setUp()
+        super(_BaseMongoDBSessionTest, self).setUp()
 
     def assertIn(self, first, second, msg=None):
         self.assertTrue(first in second, msg)
@@ -259,6 +261,21 @@ class MongoDBSessionTest(SessionTestsMixin, unittest.TestCase):
         self.assertTrue('test_expire' in session, 'Session has expired before it is expected')
 
 
+try:
+    # SessionTestsMixin isn't available for import on django > 1.8a1
+    from django.contrib.sessions.tests import SessionTestsMixin
+
+    class _MongoDBSessionTest(SessionTestsMixin):
+        pass
+
+    class MongoDBSessionTest(_BaseMongoDBSessionTest):
+        pass
+
+except ImportError:
+    class MongoDBSessionTest(_BaseMongoDBSessionTest):
+        pass
+
+
 class MongoAuthTest(unittest.TestCase):
     user_data = {
         'username': 'user',