fix BaseQuerySet.fields when mixing exclusion/inclusion with complex values like $slice

CONTRIBUTING.rst

@@ -14,7 +14,7 @@ Before starting to write code, look for existing `tickets
 <https://github.com/MongoEngine/mongoengine/issues?state=open>`_ or `create one
 <https://github.com/MongoEngine/mongoengine/issues>`_ for your specific
 issue or feature request. That way you avoid working on something
-that might not be of interest or that has already been addressed. If in doubt
+that might not be of interest or that has already been addressed.  If in doubt
 post to the `user group <http://groups.google.com/group/mongoengine-users>`
 
 Supported Interpreters

README.rst

@@ -57,7 +57,7 @@ Some simple examples of what MongoEngine code looks like:
 
     class BlogPost(Document):
         title = StringField(required=True, max_length=200)
-        posted = DateTimeField(default=datetime.datetime.utcnow)
+        posted = DateTimeField(default=datetime.datetime.now)
         tags = ListField(StringField(max_length=50))
         meta = {'allow_inheritance': True}
 
@@ -87,18 +87,17 @@ Some simple examples of what MongoEngine code looks like:
     ...     print
     ...
 
-    # Count all blog posts and its subtypes
+    >>> len(BlogPost.objects)
-    >>> BlogPost.objects.count()
     2
-    >>> TextPost.objects.count()
+    >>> len(TextPost.objects)
     1
-    >>> LinkPost.objects.count()
+    >>> len(LinkPost.objects)
     1
 
-    # Count tagged posts
+    # Find tagged posts
-    >>> BlogPost.objects(tags='mongoengine').count()
+    >>> len(BlogPost.objects(tags='mongoengine'))
     2
-    >>> BlogPost.objects(tags='mongodb').count()
+    >>> len(BlogPost.objects(tags='mongodb'))
     1
 
 Tests
@@ -131,7 +130,8 @@ Community
   <http://groups.google.com/group/mongoengine-users>`_
 - `MongoEngine Developers mailing list
   <http://groups.google.com/group/mongoengine-dev>`_
+- `#mongoengine IRC channel <http://webchat.freenode.net/?channels=mongoengine>`_
 
 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/guide/connecting.rst

@@ -33,7 +33,7 @@ the :attr:`host` to
     corresponding parameters in :func:`~mongoengine.connect`: ::
 
         connect(
-            db='test',
+            name='test',
             username='user',
             password='12345',
             host='mongodb://admin:qwerty@localhost/production'

mongoengine/base/common.py

@@ -5,7 +5,7 @@ __all__ = ('UPDATE_OPERATORS', 'get_document', '_document_registry')
 
 UPDATE_OPERATORS = set(['set', 'unset', 'inc', 'dec', 'pop', 'push',
                         'push_all', 'pull', 'pull_all', 'add_to_set',
-                        'set_on_insert', 'min', 'max', 'rename'])
+                        'set_on_insert', 'min', 'max'])
 
 
 _document_registry = {}

mongoengine/base/document.py

@@ -402,11 +402,9 @@ class BaseDocument(object):
             raise ValidationError(message, errors=errors)
 
     def to_json(self, *args, **kwargs):
-        """Convert this document to JSON.
+        """Converts a document to JSON.
-
+        :param use_db_field: Set to True by default but enables the output of the json structure with the field names
-        :param use_db_field: Serialize field names as they appear in
+            and not the mongodb store db_names in case of set to False
-            MongoDB (as opposed to attribute names on this document).
-            Defaults to True.
         """
         use_db_field = kwargs.pop('use_db_field', True)
         return json_util.dumps(self.to_mongo(use_db_field), *args, **kwargs)

tests/document/instance.py

@@ -1232,19 +1232,6 @@ class InstanceTest(unittest.TestCase):
         self.assertEqual(person.name, None)
         self.assertEqual(person.age, None)
 
-    def test_update_rename_operator(self):
-        """Test the $rename operator."""
-        coll = self.Person._get_collection()
-        doc = self.Person(name='John').save()
-        raw_doc = coll.find_one({'_id': doc.pk})
-        self.assertEqual(set(raw_doc.keys()), set(['_id', '_cls', 'name']))
-
-        doc.update(rename__name='first_name')
-        raw_doc = coll.find_one({'_id': doc.pk})
-        self.assertEqual(set(raw_doc.keys()),
-                         set(['_id', '_cls', 'first_name']))
-        self.assertEqual(raw_doc['first_name'], 'John')
-
     def test_inserts_if_you_set_the_pk(self):
         p1 = self.Person(name='p1', id=bson.ObjectId()).save()
         p2 = self.Person(name='p2')

tests/test_connection.py

@@ -296,19 +296,6 @@ class ConnectionTest(unittest.TestCase):
         conn = get_connection('t2')
         self.assertFalse(get_tz_awareness(conn))
 
-    def test_write_concern(self):
-        """Ensure write concern can be specified in connect() via
-        a kwarg or as part of the connection URI.
-        """
-        conn1 = connect(alias='conn1', host='mongodb://localhost/testing?w=1&j=true')
-        conn2 = connect('testing', alias='conn2', w=1, j=True)
-        if IS_PYMONGO_3:
-            self.assertEqual(conn1.write_concern.document, {'w': 1, 'j': True})
-            self.assertEqual(conn2.write_concern.document, {'w': 1, 'j': True})
-        else:
-            self.assertEqual(dict(conn1.write_concern), {'w': 1, 'j': True})
-            self.assertEqual(dict(conn2.write_concern), {'w': 1, 'j': True})
-
     def test_datetime(self):
         connect('mongoenginetest', tz_aware=True)
         d = datetime.datetime(2010, 5, 5, tzinfo=utc)