Fixed issue with embedded_docs and db_fields

Bumped version also
refs: hmarr/mongoengine#523

docs/changelog.rst

@@ -2,8 +2,9 @@
 Changelog
 =========
 
-Changes in 0.6.X
+Changes in 0.6.13
 ================
+- Fixed EmbeddedDocument db_field validation issue
 - Fixed StringField unicode issue
 - Fixes __repr__ modifying the cursor
 

mongoengine/__init__.py

@@ -12,7 +12,7 @@ from signals import *
 __all__ = (document.__all__ + fields.__all__ + connection.__all__ +
            queryset.__all__ + signals.__all__)
 
-VERSION = (0, 6, 12)
+VERSION = (0, 6, 13)
 
 
 def get_version():

mongoengine/base.py

@@ -957,6 +957,8 @@ class BaseDocument(object):
                 try:
                     data[field_name] = (value if value is None
                                     else field.to_python(value))
+                    if field_name != field.db_field:
+                        del data[field.db_field]
                 except (AttributeError, ValueError), e:
                     errors_dict[field_name] = e
             elif field.default:

python-mongoengine.spec

@@ -5,7 +5,7 @@
 %define srcname mongoengine
 
 Name:           python-%{srcname}
-Version:        0.6.12
+Version:        0.6.13
 Release:        1%{?dist}
 Summary:        A Python Document-Object Mapper for working with MongoDB
 

tests/test_document.py

@@ -1282,6 +1282,22 @@ class DocumentTest(unittest.TestCase):
         comment.date = datetime.now()
         comment.validate()
 
+    def test_embedded_db_field_validate(self):
+
+        class SubDoc(EmbeddedDocument):
+            val = IntField()
+
+        class Doc(Document):
+            e = EmbeddedDocumentField(SubDoc, db_field='eb')
+
+        Doc.drop_collection()
+
+        Doc(e=SubDoc(val=15)).save()
+
+        doc = Doc.objects.first()
+        doc.validate()
+        self.assertEquals([None, 'e'], doc._data.keys())
+
     def test_save(self):
         """Ensure that a document may be saved in the database.
         """