Remove deprecated defer_except

CHANGES.rst

@@ -4,6 +4,12 @@ Changelog
 Here you can see the full list of changes between each SQLAlchemy-Utils release.
 
 
+0.29.2 (2015-01-xx)
+^^^^^^^^^^^^^^^^^^^
+
+- Removed deprecated defer_except (SQLAlchemy's own load_only should be used from now on)
+
+
 0.29.1 (2015-01-03)
 ^^^^^^^^^^^^^^^^^^^
 

sqlalchemy_utils/__init__.py

@@ -15,7 +15,6 @@ from .functions import (
     create_database,
     create_mock_engine,
     database_exists,
-    defer_except,
     dependent_objects,
     drop_database,
     escape_like,
@@ -102,7 +101,6 @@ __all__ = (
     create_database,
     create_mock_engine,
     database_exists,
-    defer_except,
     dependent_objects,
     drop_database,
     escape_like,

sqlalchemy_utils/functions/__init__.py

@@ -1,4 +1,3 @@
-from .defer_except import defer_except
 from .mock import create_mock_engine, mock_engine
 from .render import render_expression, render_statement
 from .sort_query import (
@@ -47,7 +46,6 @@ __all__ = (
     'create_database',
     'create_mock_engine',
     'database_exists',
-    'defer_except',
     'dependent_objects',
     'drop_database',
     'escape_like',

sqlalchemy_utils/functions/defer_except.py

@@ -1,25 +0,0 @@
-from sqlalchemy import inspect
-from sqlalchemy.orm import defer
-from sqlalchemy.orm.properties import ColumnProperty
-
-
-def defer_except(query, columns):
-    """
-    Deferred loads all columns in given query, except the ones given.
-
-    This function is very useful when working with models with myriad of
-    columns and you want to deferred load many columns.
-
-        >>> from sqlalchemy_utils import defer_except
-        >>> query = session.query(Article)
-        >>> query = defer_except(Article, [Article.id, Article.name])
-
-    :param columns: columns not to deferred load
-    """
-    model = query._entities[0].entity_zero.class_
-    for property_ in inspect(model).attrs:
-        if isinstance(property_, ColumnProperty):
-            column = property_.columns[0]
-            if column.name not in columns:
-                query = query.options(defer(property_.key))
-    return query

tests/test_defer_except.py

@@ -1,9 +0,0 @@
-from sqlalchemy_utils import defer_except
-from tests import TestCase
-
-
-class TestDeferExcept(TestCase):
-    def test_supports_properties_as_strings(self):
-        query = self.session.query(self.Article)
-        query = defer_except(query, ['id'])
-        assert str(query) == 'SELECT article.id AS article_id \nFROM article'