cleanup BaseQuerySet.__getitem__

docs/changelog.rst

@@ -5,21 +5,11 @@ Changelog
 Development
 ===========
 - (Fill this out as you fix issues and develop your features).
-
-Changes in 0.12.0
-=================
+- Fixed using sets in field choices #1481
 - POTENTIAL BREAKING CHANGE: Fixed limit/skip/hint/batch_size chaining #1476
 - POTENTIAL BREAKING CHANGE: Changed a public `QuerySet.clone_into` method to a private `QuerySet._clone_into` #1476
 - Fixed connecting to a replica set with PyMongo 2.x #1436
-- Fixed using sets in field choices #1481
-- Fixed deleting items from a `ListField` #1318
 - Fixed an obscure error message when filtering by `field__in=non_iterable`. #1237
-- Fixed behavior of a `dec` update operator #1450
-- Added a `rename` update operator #1454
-- Added validation for the `db_field` parameter #1448
-- Fixed the error message displayed when querying an `EmbeddedDocumentField` by an invalid value #1440
-- Fixed the error message displayed when validating unicode URLs #1486
-- Raise an error when trying to save an abstract document #1449
 
 Changes in 0.11.0
 =================

docs/upgrade.rst

@@ -6,9 +6,6 @@ Development
 ***********
 (Fill this out whenever you introduce breaking changes to MongoEngine)
 
-
-0.12.0
-******
 This release includes various fixes for the `BaseQuerySet` methods and how they
 are chained together. Since version 0.10.1 applying limit/skip/hint/batch_size
 to an already-existing queryset wouldn't modify the underlying PyMongo cursor.

mongoengine/__init__.py

@@ -23,7 +23,7 @@ __all__ = (list(document.__all__) + list(fields.__all__) +
            list(signals.__all__) + list(errors.__all__))
 
 
-VERSION = (0, 12, 0)
+VERSION = (0, 11, 0)
 
 
 def get_version():

mongoengine/base/document.py

@@ -684,13 +684,8 @@ class BaseDocument(object):
         # class if unavailable
         class_name = son.get('_cls', cls._class_name)
 
-        # Convert SON to a data dict, making sure each key is a string and
-        # corresponds to the right db field.
-        data = {}
-        for key, value in son.iteritems():
-            key = str(key)
-            key = cls._db_field_map.get(key, key)
-            data[key] = value
+        # Convert SON to a dict, making sure each key is a string
+        data = {str(key): value for key, value in son.iteritems()}
 
         # Return correct subclass for document type
         if class_name != cls._class_name:

mongoengine/dereference.py

@@ -1,4 +1,3 @@
-from collections import OrderedDict
 from bson import DBRef, SON
 import six
 
@@ -202,10 +201,6 @@ class DeReference(object):
             as_tuple = isinstance(items, tuple)
             iterator = enumerate(items)
             data = []
-        elif isinstance(items, OrderedDict):
-            is_list = False
-            iterator = items.iteritems()
-            data = OrderedDict()
         else:
             is_list = False
             iterator = items.iteritems()

mongoengine/fields.py

@@ -5,7 +5,6 @@ import re
 import time
 import uuid
 import warnings
-from collections import Mapping
 from operator import itemgetter
 
 from bson import Binary, DBRef, ObjectId, SON
@@ -620,14 +619,6 @@ class DynamicField(BaseField):
 
     Used by :class:`~mongoengine.DynamicDocument` to handle dynamic data"""
 
-    def __init__(self, container_class=dict, *args, **kwargs):
-        self._container_cls = container_class
-        if not issubclass(self._container_cls, Mapping):
-            self.error('The class that is specified in `container_class` parameter '
-                       'must be a subclass of `dict`.')
-
-        super(DynamicField, self).__init__(*args, **kwargs)
-
     def to_mongo(self, value, use_db_field=True, fields=None):
         """Convert a Python type to a MongoDB compatible type.
         """
@@ -653,7 +644,7 @@ class DynamicField(BaseField):
             is_list = True
             value = {k: v for k, v in enumerate(value)}
 
-        data = self._container_cls()
+        data = {}
         for k, v in value.iteritems():
             data[k] = self.to_mongo(v, use_db_field, fields)
 
@@ -1007,8 +998,8 @@ class ReferenceField(BaseField):
 
     def validate(self, value):
 
-        if not isinstance(value, (self.document_type, DBRef, ObjectId)):
-            self.error('A ReferenceField only accepts DBRef, ObjectId or documents')
+        if not isinstance(value, (self.document_type, DBRef)):
+            self.error('A ReferenceField only accepts DBRef or documents')
 
         if isinstance(value, Document) and value.id is None:
             self.error('You can only reference documents once they have been '

tests/fields/fields.py

@@ -5,10 +5,8 @@ import uuid
 import math
 import itertools
 import re
-import pymongo
 
 from nose.plugins.skip import SkipTest
-from collections import OrderedDict
 import six
 
 try:
@@ -27,12 +25,9 @@ except ImportError:
 from mongoengine import *
 from mongoengine.connection import get_db
 from mongoengine.base import (BaseDict, BaseField, EmbeddedDocumentList,
-                              _document_registry, TopLevelDocumentMetaclass)
+                              _document_registry)
 
-from tests.utils import MongoDBTestCase, MONGO_TEST_DB
-from mongoengine.python_support import IS_PYMONGO_3
-if IS_PYMONGO_3:
-    from bson import CodecOptions
+from tests.utils import MongoDBTestCase
 
 __all__ = ("FieldTest", "EmbeddedDocumentListFieldTestCase")
 
@@ -1906,51 +1901,6 @@ class FieldTest(MongoDBTestCase):
         doc = self.db.test.find_one()
         self.assertEqual(doc['x']['i'], 2)
 
-    def test_double_embedded_db_field(self):
-        """Make sure multiple layers of embedded docs resolve db fields
-        properly and can be initialized using dicts.
-        """
-        class C(EmbeddedDocument):
-            txt = StringField()
-
-        class B(EmbeddedDocument):
-            c = EmbeddedDocumentField(C, db_field='fc')
-
-        class A(Document):
-            b = EmbeddedDocumentField(B, db_field='fb')
-
-        a = A(
-            b=B(
-                c=C(txt='hi')
-            )
-        )
-        a.validate()
-
-        a = A(b={'c': {'txt': 'hi'}})
-        a.validate()
-
-    def test_double_embedded_db_field_from_son(self):
-        """Make sure multiple layers of embedded docs resolve db fields
-        from SON properly.
-        """
-        class C(EmbeddedDocument):
-            txt = StringField()
-
-        class B(EmbeddedDocument):
-            c = EmbeddedDocumentField(C, db_field='fc')
-
-        class A(Document):
-            b = EmbeddedDocumentField(B, db_field='fb')
-
-        a = A._from_son(SON([
-            ('fb', SON([
-                ('fc', SON([
-                    ('txt', 'hi')
-                ]))
-            ]))
-        ]))
-        self.assertEqual(a.b.c.txt, 'hi')
-
     def test_embedded_document_validation(self):
         """Ensure that invalid embedded documents cannot be assigned to
         embedded document fields.
@@ -2093,12 +2043,6 @@ class FieldTest(MongoDBTestCase):
         post1.author = post2
         self.assertRaises(ValidationError, post1.validate)
 
-        # Ensure ObjectID's are accepted as references
-        user_object_id = user.pk
-        post3 = BlogPost(content="Chips and curry sauce taste good.")
-        post3.author = user_object_id
-        post3.save()
-
         # Make sure referencing a saved document of the right type works
         user.save()
         post1.author = user
@@ -2109,20 +2053,6 @@ class FieldTest(MongoDBTestCase):
         post1.author = post2
         self.assertRaises(ValidationError, post1.validate)
 
-    def test_objectid_reference_fields(self):
-        """Make sure storing Object ID references works."""
-        class Person(Document):
-            name = StringField()
-            parent = ReferenceField('self')
-
-        Person.drop_collection()
-
-        p1 = Person(name="John").save()
-        Person(name="Ross", parent=p1.pk).save()
-
-        p = Person.objects.get(name="Ross")
-        self.assertEqual(p.parent, p1)
-
     def test_dbref_reference_fields(self):
         """Make sure storing references as bson.dbref.DBRef works."""
         class Person(Document):
@@ -4115,67 +4045,6 @@ class EmbeddedDocumentListFieldTestCase(MongoDBTestCase):
         self.assertTrue(hasattr(CustomData.c_field, 'custom_data'))
         self.assertEqual(custom_data['a'], CustomData.c_field.custom_data['a'])
 
-    def test_dynamicfield_with_container_class(self):
-        """
-        Tests that object can be stored in order by DynamicField class
-        with container_class parameter.
-        """
-        raw_data = [('d', 1), ('c', 2), ('b', 3), ('a', 4)]
-
-        class Doc(Document):
-            ordered_data = DynamicField(container_class=OrderedDict)
-            unordered_data = DynamicField()
-
-        Doc.drop_collection()
-
-        doc = Doc(ordered_data=OrderedDict(raw_data), unordered_data=dict(raw_data)).save()
-
-        # checks that the data is in order
-        self.assertEqual(type(doc.ordered_data), OrderedDict)
-        self.assertEqual(type(doc.unordered_data), dict)
-        self.assertEqual(','.join(doc.ordered_data.keys()), 'd,c,b,a')
-
-        # checks that the data is stored to the database in order
-        pymongo_db = pymongo.MongoClient()[MONGO_TEST_DB]
-        if IS_PYMONGO_3:
-            codec_option = CodecOptions(document_class=OrderedDict)
-            db_doc = pymongo_db.doc.with_options(codec_options=codec_option).find_one()
-        else:
-            db_doc = pymongo_db.doc.find_one(as_class=OrderedDict)
-
-        self.assertEqual(','.join(doc.ordered_data.keys()), 'd,c,b,a')
-
-    def test_dynamicfield_with_wrong_container_class(self):
-        with self.assertRaises(ValidationError):
-            class DocWithInvalidField:
-                data = DynamicField(container_class=list)
-
-    def test_dynamicfield_with_wrong_container_class_and_reload_docuemnt(self):
-        # This is because 'codec_options' is supported on pymongo3 or later
-        if IS_PYMONGO_3:
-            class OrderedDocument(Document):
-                my_metaclass = TopLevelDocumentMetaclass
-                __metaclass__ = TopLevelDocumentMetaclass
-
-                @classmethod
-                def _get_collection(cls):
-                    collection = super(OrderedDocument, cls)._get_collection()
-                    opts = CodecOptions(document_class=OrderedDict)
-
-                    return collection.with_options(codec_options=opts)
-
-            raw_data = [('d', 1), ('c', 2), ('b', 3), ('a', 4)]
-
-            class Doc(OrderedDocument):
-                data = DynamicField(container_class=OrderedDict)
-
-            Doc.drop_collection()
-
-            doc = Doc(data=OrderedDict(raw_data)).save()
-            doc.reload()
-
-            self.assertEqual(type(doc.data), OrderedDict)
-            self.assertEqual(','.join(doc.data.keys()), 'd,c,b,a')
 
 class CachedReferenceFieldTest(MongoDBTestCase):
 

tests/queryset/queryset.py

@@ -4962,6 +4962,20 @@ class QuerySetTest(unittest.TestCase):
         for p in Person.objects():
             self.assertEqual(p.name, 'a')
 
+    def test_last_field_name_like_operator(self):
+        class EmbeddedItem(EmbeddedDocument):
+            type = StringField()
+
+        class Doc(Document):
+            item = EmbeddedDocumentField(EmbeddedItem)
+
+        Doc.drop_collection()
+
+        doc = Doc(item=EmbeddedItem(type="axe"))
+        doc.save()
+
+        self.assertEqual(1, Doc.objects(item__type__="axe").count())
+
     def test_len_during_iteration(self):
         """Tests that calling len on a queyset during iteration doesn't
         stop paging.

tests/test_dereference.py

@@ -2,15 +2,10 @@
 import unittest
 
 from bson import DBRef, ObjectId
-from collections import OrderedDict
 
 from mongoengine import *
 from mongoengine.connection import get_db
 from mongoengine.context_managers import query_counter
-from mongoengine.python_support import IS_PYMONGO_3
-from mongoengine.base import TopLevelDocumentMetaclass
-if IS_PYMONGO_3:
-    from bson import CodecOptions
 
 
 class FieldTest(unittest.TestCase):
@@ -1292,70 +1287,5 @@ class FieldTest(unittest.TestCase):
 
             self.assertEqual(q, 2)
 
-    def test_dynamic_field_dereference(self):
-        class Merchandise(Document):
-            name = StringField()
-            price = IntField()
-
-        class Store(Document):
-            merchandises = DynamicField()
-
-        Merchandise.drop_collection()
-        Store.drop_collection()
-
-        merchandises = {
-            '#1': Merchandise(name='foo', price=100).save(),
-            '#2': Merchandise(name='bar', price=120).save(),
-            '#3': Merchandise(name='baz', price=110).save(),
-        }
-        Store(merchandises=merchandises).save()
-
-        store = Store.objects().first()
-        for obj in store.merchandises.values():
-            self.assertFalse(isinstance(obj, Merchandise))
-
-        store.select_related()
-        for obj in store.merchandises.values():
-            self.assertTrue(isinstance(obj, Merchandise))
-
-    def test_dynamic_field_dereference_with_ordering_guarantee_on_pymongo3(self):
-        # This is because 'codec_options' is supported on pymongo3 or later
-        if IS_PYMONGO_3:
-            class OrderedDocument(Document):
-                my_metaclass = TopLevelDocumentMetaclass
-                __metaclass__ = TopLevelDocumentMetaclass
-
-                @classmethod
-                def _get_collection(cls):
-                    collection = super(OrderedDocument, cls)._get_collection()
-                    opts = CodecOptions(document_class=OrderedDict)
-
-                    return collection.with_options(codec_options=opts)
-
-            class Merchandise(Document):
-                name = StringField()
-                price = IntField()
-
-            class Store(OrderedDocument):
-                merchandises = DynamicField(container_class=OrderedDict)
-
-            Merchandise.drop_collection()
-            Store.drop_collection()
-
-            merchandises = OrderedDict()
-            merchandises['#1'] = Merchandise(name='foo', price=100).save()
-            merchandises['#2'] = Merchandise(name='bar', price=120).save()
-            merchandises['#3'] = Merchandise(name='baz', price=110).save()
-
-            Store(merchandises=merchandises).save()
-
-            store = Store.objects().first()
-
-            store.select_related()
-
-            # confirms that the load data order is same with the one at storing
-            self.assertTrue(type(store.merchandises), OrderedDict)
-            self.assertEqual(','.join(store.merchandises.keys()), '#1,#2,#3')
-
 if __name__ == '__main__':
     unittest.main()