Hello 0.3.5 version! for sacrud/pyramid_sacrud#107

CHANGES.rst

@@ -1,3 +1,8 @@
+0.3.4 (2015-12-02)
+------------------
+
+- fix create/update with sqlalchemy.sql.null value
+
 0.3.4 (2015-11-30)
 ------------------
 

sacrud/preprocessing.py

@@ -16,6 +16,8 @@
 
 import six
 
+import sqlalchemy
+
 from .common import get_columns
 
 
@@ -154,7 +156,7 @@ def check_type(self, table, key):
                 column_type not in ['JSON', 'JSONB', 'HSTORE']:
             value = value[0]
 
-        if not value\
+        if not isinstance(value, sqlalchemy.sql.elements.Null) and not value\
                 and not hasattr(value, 'filename')\
                 and not column_type == 'Boolean':
             if self.column.default or self.column.primary_key:

sacrud/tests/__init__.py

@@ -136,6 +136,7 @@ class User(Base):
     name = Column(String, default='')
     fullname = Column(String)
     password = Column(String, info={'verbose_name': 'user password'})
+    age = Column(Integer)
     sex = Column(Enum('male',
                       'female',
                       'alien',
@@ -158,6 +159,7 @@ def foo(self):
 
     def __init__(self, name, fullname, password, sex='unknown', groups=[]):
         self.name = name
+        self.age = 0
         self.fullname = fullname
         self.password = password
         self.sex = sex

sacrud/tests/test_action.py

@@ -7,6 +7,7 @@
 # Distributed under terms of the MIT license.
 import json
 
+import sqlalchemy
 import transaction
 from sacrud.action import CRUD
 from sacrud.tests import (
@@ -284,6 +285,16 @@ def test_update_by_int_id(self):
         db_user = self.session.query(User).get(user.id)
         self.assertEqual(db_user.name, 'Petya')
 
+    def test_update_from_0_to_null(self):
+        user = self._add_item(User, 'Vasya', 'Pupkin', '123')
+        user = self.session.query(User).get(user.id)
+        self.assertEqual(user.age, 0)
+
+        CRUD(self.session, User).update(user.id,
+                                        data={'age': sqlalchemy.sql.null()})
+        db_user = self.session.query(User).get(user.id)
+        self.assertEqual(db_user.age, None)
+
     def test_update_json_by_int_id(self):
         user = self._add_item(User, 'Vasya', 'Pupkin', "123")
         user = self.session.query(User).get(user.id)

setup.py

@@ -11,7 +11,7 @@ def read(name):
 
 setup(
     name='sacrud',
-    version='0.3.4',
+    version='0.3.5',
     url='http://github.com/ITCase/sacrud/',
     author='Svintsov Dmitry',
     author_email='root@uralbash.ru',