Merge branch 'master' of https://github.com/MongoEngine/mongoengine

README.rst

@@ -9,6 +9,9 @@ MongoEngine
 .. image:: https://secure.travis-ci.org/MongoEngine/mongoengine.png?branch=master
   :target: http://travis-ci.org/MongoEngine/mongoengine
   
+.. image:: https://coveralls.io/repos/MongoEngine/mongoengine/badge.png?branch=master 
+  :target: https://coveralls.io/r/MongoEngine/mongoengine?branch=master
+
 About
 =====
 MongoEngine is a Python Object-Document Mapper for working with MongoDB.
@@ -92,4 +95,4 @@ Community
 
 Contributing
 ============
-We welcome contributions! see  the`Contribution guidelines <https://github.com/MongoEngine/mongoengine/blob/master/CONTRIBUTING.rst>`_
+We welcome contributions! see  the `Contribution guidelines <https://github.com/MongoEngine/mongoengine/blob/master/CONTRIBUTING.rst>`_

docs/apireference.rst

@@ -38,6 +38,7 @@ Context Managers
 ================
 
 .. autoclass:: mongoengine.context_managers.switch_db
+.. autoclass:: mongoengine.context_managers.switch_collection
 .. autoclass:: mongoengine.context_managers.no_dereference
 .. autoclass:: mongoengine.context_managers.query_counter
 

docs/changelog.rst

@@ -2,6 +2,12 @@
 Changelog
 =========
 
+Changes in 0.8.7
+================
+- Calling reload on deleted / nonexistant documents raises DoesNotExist (#538)
+- Stop ensure_indexes running on a secondaries (#555)
+- Fix circular import issue with django auth (#531) (#545)
+
 Changes in 0.8.6
 ================
 - Fix django auth import (#531)

docs/guide/connecting.rst

@@ -100,3 +100,18 @@ access to the same User document across databases::
 
 .. note:: Make sure any aliases have been registered with
     :func:`~mongoengine.register_connection` before using the context manager.
+
+There is also a switch collection context manager as well.  The
+:class:`~mongoengine.context_managers.switch_collection` context manager allows
+you to change the collection for a given class allowing quick and easy
+access to the same Group document across collection::
+
+        from mongoengine.context_managers import switch_db
+
+        class Group(Document):
+            name = StringField()
+
+        Group(name="test").save()  # Saves in the default db
+
+        with switch_collection(Group, 'group2000') as Group:
+            Group(name="hello Group 2000 collection!").save()  # Saves in group2000 collection

docs/guide/querying.rst

@@ -92,8 +92,8 @@ were added in 0.8 for:  :class:`~mongoengine.fields.PointField`,
 * ``geo_within`` -- Check if a geometry is within a polygon.  For ease of use
     it accepts either a geojson geometry or just the polygon coordinates eg::
 
-        loc.objects(point__geo_with=[[[40, 5], [40, 6], [41, 6], [40, 5]]])
+        loc.objects(point__geo_within=[[[40, 5], [40, 6], [41, 6], [40, 5]]])
-        loc.objects(point__geo_with={"type": "Polygon",
+        loc.objects(point__geo_within={"type": "Polygon",
                                  "coordinates": [[[40, 5], [40, 6], [41, 6], [40, 5]]]})
 
 * ``geo_within_box`` - simplified geo_within searching with a box eg::

docs/upgrade.rst

@@ -2,6 +2,12 @@
 Upgrading
 #########
 
+0.8.7
+*****
+
+Calling reload on deleted / nonexistant documents now raises a DoesNotExist
+exception.
+
 
 0.8.2 to 0.8.3
 **************
@@ -270,7 +276,7 @@ queryset you should upgrade to use count::
     len(Animal.objects(type="mammal"))
 
     # New code
-    Animal.objects(type="mammal").count())
+    Animal.objects(type="mammal").count()
 
 
 .only() now inline with .exclude()

mongoengine/__init__.py

@@ -15,7 +15,7 @@ import django
 __all__ = (list(document.__all__) + fields.__all__ + connection.__all__ +
            list(queryset.__all__) + signals.__all__ + list(errors.__all__))
 
-VERSION = (0, 8, 6)
+VERSION = (0, 8, 7)
 
 
 def get_version():

mongoengine/django/auth.py

@@ -9,7 +9,6 @@ from django.contrib.auth.models import AnonymousUser
 from django.utils.translation import ugettext_lazy as _
 
 from .utils import datetime_now
-from .mongo_auth.models import get_user_document
 
 REDIRECT_FIELD_NAME = 'next'
 
@@ -382,9 +381,10 @@ class MongoEngineBackend(object):
     supports_object_permissions = False
     supports_anonymous_user = False
     supports_inactive_user = False
+    _user_doc = False
 
     def authenticate(self, username=None, password=None):
-        user = get_user_document().objects(username=username).first()
+        user = self.user_document.objects(username=username).first()
         if user:
             if password and user.check_password(password):
                 backend = auth.get_backends()[0]
@@ -393,8 +393,14 @@ class MongoEngineBackend(object):
         return None
 
     def get_user(self, user_id):
-        return get_user_document().objects.with_id(user_id)
+        return self.user_document.objects.with_id(user_id)
 
+    @property
+    def user_document(self):
+        if self._user_doc is False:
+            from .mongo_auth.models import get_user_document
+            self._user_doc = get_user_document()
+        return self._user_doc
 
 def get_user(userid):
     """Returns a User object from an id (User.id). Django's equivalent takes

mongoengine/document.py

@@ -12,6 +12,7 @@ from mongoengine.common import _import_class
 from mongoengine.base import (DocumentMetaclass, TopLevelDocumentMetaclass,
                               BaseDocument, BaseDict, BaseList,
                               ALLOW_INHERITANCE, get_document)
+from mongoengine.errors import ValidationError
 from mongoengine.queryset import OperationError, NotUniqueError, QuerySet
 from mongoengine.connection import get_db, DEFAULT_CONNECTION_NAME
 from mongoengine.context_managers import switch_db, switch_collection
@@ -280,7 +281,9 @@ class Document(BaseDocument):
                     kwargs.update(cascade_kwargs)
                 kwargs['_refs'] = _refs
                 self.cascade_save(**kwargs)
-
+        except pymongo.errors.DuplicateKeyError, err:
+            message = u'Tried to save duplicate unique keys (%s)'
+            raise NotUniqueError(message % unicode(err))
         except pymongo.errors.OperationFailure, err:
             message = 'Could not save document (%s)'
             if re.match('^E1100[01] duplicate key', unicode(err)):
@@ -450,14 +453,16 @@ class Document(BaseDocument):
         .. versionadded:: 0.1.2
         .. versionchanged:: 0.6  Now chainable
         """
+        if not self.pk:
+            raise self.DoesNotExist("Document does not exist")
         obj = self._qs.read_preference(ReadPreference.PRIMARY).filter(
-                **self._object_key).limit(1).select_related(max_depth=max_depth)
+                    **self._object_key).limit(1).select_related(max_depth=max_depth)
+
 
         if obj:
             obj = obj[0]
         else:
-            msg = "Reloaded document has been deleted"
+            raise self.DoesNotExist("Document does not exist")
-            raise OperationError(msg)
         for field in self._fields_ordered:
             setattr(self, field, self._reload(field, obj[field]))
         self._changed_fields = obj._changed_fields
@@ -547,6 +552,8 @@ class Document(BaseDocument):
         index_cls = cls._meta.get('index_cls', True)
 
         collection = cls._get_collection()
+        if collection.read_preference > 1:
+            return
 
         # determine if an index which we are creating includes
         # _cls as its first field; if so, we can avoid creating

mongoengine/queryset/base.py

@@ -302,8 +302,11 @@ class BaseQuerySet(object):
         signals.pre_bulk_insert.send(self._document, documents=docs)
         try:
             ids = self._collection.insert(raw, **write_concern)
+        except pymongo.errors.DuplicateKeyError, err:
+            message = 'Could not save document (%s)';
+            raise NotUniqueError(message % unicode(err))
         except pymongo.errors.OperationFailure, err:
-            message = 'Could not save document (%s)'
+            message = 'Could not save document (%s)';
             if re.match('^E1100[01] duplicate key', unicode(err)):
                 # E11000 - duplicate key error index
                 # E11001 - duplicate key on update

python-mongoengine.spec

@@ -5,7 +5,7 @@
 %define srcname mongoengine
 
 Name:           python-%{srcname}
-Version:        0.8.6
+Version:        0.8.7
 Release:        1%{?dist}
 Summary:        A Python Document-Object Mapper for working with MongoDB
 

tests/document/indexes.py

@@ -491,7 +491,7 @@ class IndexesTest(unittest.TestCase):
 
         def invalid_index_2():
             return BlogPost.objects.hint(('tags', 1))
-        self.assertRaises(TypeError, invalid_index_2)
+        self.assertRaises(Exception, invalid_index_2)
 
     def test_unique(self):
         """Ensure that uniqueness constraints are applied to fields.

tests/document/instance.py

@@ -409,6 +409,27 @@ class InstanceTest(unittest.TestCase):
         self.assertEqual(len(doc.embedded_field.list_field), 4)
         self.assertEqual(len(doc.embedded_field.dict_field), 2)
 
+    def test_reload_doesnt_exist(self):
+        class Foo(Document):
+            pass
+
+        f = Foo()
+        try:
+            f.reload()
+        except Foo.DoesNotExist:
+            pass
+        except Exception as ex:
+            self.assertFalse("Threw wrong exception")
+
+        f.save()
+        f.delete()
+        try:
+            f.reload()
+        except Foo.DoesNotExist:
+            pass
+        except Exception as ex:
+            self.assertFalse("Threw wrong exception")
+
     def test_dictionary_access(self):
         """Ensure that dictionary-style field access works properly.
         """

tests/test_django.py

@@ -16,6 +16,7 @@ settings.configure(
     USE_TZ=True,
     INSTALLED_APPS=('django.contrib.auth', 'mongoengine.django.mongo_auth'),
     AUTH_USER_MODEL=('mongo_auth.MongoUser'),
+    AUTHENTICATION_BACKENDS = ('mongoengine.django.auth.MongoEngineBackend',)
 )
 
 try: