Version bump

fixes hmarr/mongoengine#519

docs/changelog.rst

@@ -2,6 +2,11 @@
 Changelog
 =========
 
+Changes in 0.6.12
+=================
+- Fixes scalar lookups for primary_key
+- Fixes error with _delta handling DBRefs
+
 Changes in 0.6.11
 ==================
 - Fixed inconsistency handling None values field attrs

mongoengine/__init__.py

@@ -12,7 +12,7 @@ from signals import *
 __all__ = (document.__all__ + fields.__all__ + connection.__all__ +
            queryset.__all__ + signals.__all__)
 
-VERSION = (0, 6, 11)
+VERSION = (0, 6, 12)
 
 
 def get_version():

mongoengine/base.py

@@ -1043,11 +1043,16 @@ Invalid data to create a `%s` instance.\n%s""".strip() % (cls._class_name, error
             for path in set_fields:
                 parts = path.split('.')
                 d = doc
+                new_path = []
                 for p in parts:
-                    if p.isdigit():
+                    if isinstance(d, DBRef):
+                        break
+                    elif p.isdigit():
                         d = d[int(p)]
-                    else:
+                    elif hasattr(d, 'get'):
                         d = d.get(p)
+                    new_path.append(p)
+                path = '.'.join(new_path)
                 set_data[path] = d
         else:
             set_data = doc

mongoengine/document.py

@@ -226,7 +226,7 @@ class Document(BaseDocument):
                 if cascade_kwargs:  # Allow granular control over cascades
                     kwargs.update(cascade_kwargs)
                 kwargs['_refs'] = _refs
-                self._changed_fields = []
+                #self._changed_fields = []
                 self.cascade_save(**kwargs)
 
         except pymongo.errors.OperationFailure, err:
@@ -246,6 +246,7 @@ class Document(BaseDocument):
         """Recursively saves any references / generic references on an object"""
         from fields import ReferenceField, GenericReferenceField
         _refs = kwargs.get('_refs', []) or []
+
         for name, cls in self._fields.items():
             if not isinstance(cls, (ReferenceField, GenericReferenceField)):
                 continue

mongoengine/queryset.py

@@ -1496,8 +1496,6 @@ class QuerySet(object):
         def lookup(obj, name):
             chunks = name.split('__')
             for chunk in chunks:
-                if hasattr(obj, '_db_field_map'):
-                    chunk = obj._db_field_map.get(chunk, chunk)
                 obj = getattr(obj, chunk)
             return obj
 

python-mongoengine.spec

@@ -5,7 +5,7 @@
 %define srcname mongoengine
 
 Name:           python-%{srcname}
-Version:        0.6.11
+Version:        0.6.12
 Release:        1%{?dist}
 Summary:        A Python Document-Object Mapper for working with MongoDB
 

tests/test_document.py

@@ -1667,6 +1667,48 @@ class DocumentTest(unittest.TestCase):
         self.assertEquals(p.owns[0], o)
         self.assertEquals(o.owner, p)
 
+    def test_circular_reference_deltas_2(self):
+
+        class Person( Document ):
+           name = StringField()
+           owns = ListField( ReferenceField( 'Organization' ) )
+           employer = ReferenceField( 'Organization' )
+
+        class Organization( Document ):
+           name = StringField()
+           owner = ReferenceField( 'Person' )
+           employees = ListField( ReferenceField( 'Person' ) )
+
+        Person.drop_collection()
+        Organization.drop_collection()
+
+        person = Person( name="owner" )
+        person.save()
+
+        employee = Person( name="employee" )
+        employee.save()
+
+        organization = Organization( name="company" )
+        organization.save()
+
+        person.owns.append( organization )
+        organization.owner = person
+
+        organization.employees.append( employee )
+        employee.employer = organization
+
+        person.save()
+        organization.save()
+        employee.save()
+
+        p = Person.objects.get(name="owner")
+        e = Person.objects.get(name="employee")
+        o = Organization.objects.first()
+
+        self.assertEquals(p.owns[0], o)
+        self.assertEquals(o.owner, p)
+        self.assertEquals(e.employer, o)
+
     def test_delta(self):
 
         class Doc(Document):

tests/test_queryset.py

@@ -3006,6 +3006,19 @@ class QuerySetTest(unittest.TestCase):
         self.assertEqual(plist[1], (20, False))
         self.assertEqual(plist[2], (30, True))
 
+    def test_scalar_primary_key(self):
+
+        class SettingValue(Document):
+            key = StringField(primary_key=True)
+            value = StringField()
+
+        SettingValue.drop_collection()
+        s = SettingValue(key="test", value="test value")
+        s.save()
+
+        val = SettingValue.objects.scalar('key', 'value')
+        self.assertEqual(list(val), [('test', 'test value')])
+
     def test_scalar_cursor_behaviour(self):
         """Ensure that a query returns a valid set of results.
         """