Add instance parameter to config get_attributes

eav/models.py

@@ -503,7 +503,9 @@ class Entity(object):
         Return a query set of all :class:`Attribute` objects that can be set
         for this entity.
         """
-        return self.instance._eav_config_cls.get_attributes().order_by('display_order')
+        return self.instance._eav_config_cls.get_attributes(
+            instance=self.instance
+        ).order_by('display_order')
 
     def _hasattr(self, attribute_slug):
         """

eav/registry.py

@@ -33,7 +33,7 @@ class EavConfig(object):
     generic_relation_related_name = None
 
     @classmethod
-    def get_attributes(cls):
+    def get_attributes(cls, instance=None):
         """
         By default, all :class:`~eav.models.Attribute` object apply to an
         entity, unless you provide a custom EavConfig class overriding this.

tests/attributes.py

@@ -24,7 +24,7 @@ class Attributes(TestCase):
             generic_relation_related_name = 'encounters'
 
             @classmethod
-            def get_attributes(cls):
+            def get_attributes(cls, instance=None):
                 return Attribute.objects.filter(slug__contains='a')
 
         eav.register(Encounter, EncounterEavConfig)
@@ -76,7 +76,7 @@ class Attributes(TestCase):
     def test_illegal_assignemnt(self):
         class EncounterEavConfig(EavConfig):
             @classmethod
-            def get_attributes(cls):
+            def get_attributes(cls, instance=None):
                 return Attribute.objects.filter(datatype=Attribute.TYPE_INT)
 
         eav.unregister(Encounter)