Ticket #8101: bool.diff

django/db/models/fields/__init__.py

@@ -505 +505 @@
     def get_db_prep_value(self, value):
         if value is None:
             return None
-        return bool(value)
+        return to_python(value)
 
     def get_manipulator_field_objs(self):
         return [oldforms.CheckboxField]
@@ -1013 +1013 @@
         raise validators.ValidationError, _("This value must be either None, True or False.")
 
     def get_db_prep_value(self, value):
-        if value is None:
-            return None
-        return bool(value)
+        return to_python(value)
 
     def get_manipulator_field_objs(self):
         return [oldforms.NullBooleanField]