Fix issue with init_evennia_properties.

evennia/objects/tests.py

@@ -241,11 +241,17 @@ class TestObjectPropertiesClass(DefaultObject):
     testalias = AliasProperty()
     testperm = PermissionProperty()
 
+    @property
+    def base_property(self):
+        self.property_initialized = True
+
+
 class TestProperties(EvenniaTestCase):
     """
     Test Properties.
 
     """
+
     def setUp(self):
         self.obj = create.create_object(TestObjectPropertiesClass, key="testobj")
 
@@ -280,3 +286,7 @@ class TestProperties(EvenniaTestCase):
 
         self.assertTrue(obj.aliases.has("testalias"))
         self.assertTrue(obj.permissions.has("testperm"))
+
+        # Verify that regular properties do not get fetched in init_evennia_properties,
+        # only Attribute or TagProperties.
+        self.assertFalse(hasattr(obj, "property_initialized"))

evennia/typeclasses/models.py

@@ -39,11 +39,12 @@ from django.utils.text import slugify
 from evennia.typeclasses.attributes import (
     Attribute,
     AttributeHandler,
+    AttributeProperty,
     ModelAttributeBackend,
     InMemoryAttributeBackend,
 )
 from evennia.typeclasses.attributes import DbHolder
-from evennia.typeclasses.tags import Tag, TagHandler, AliasHandler, PermissionHandler
+from evennia.typeclasses.tags import Tag, TagHandler, AliasHandler, PermissionHandler, TagProperty
 
 from evennia.utils.idmapper.models import SharedMemoryModel, SharedMemoryModelBase
 from evennia.server.signals import SIGNAL_TYPED_OBJECT_POST_RENAME
@@ -331,7 +332,7 @@ class TypedObject(SharedMemoryModel):
         by fetching them once.
         """
         for propkey, prop in self.__class__.__dict__.items():
-            if hasattr(prop, "__set_name__"):
+            if isinstance(prop, (AttributeProperty, TagProperty)):
                 try:
                     getattr(self, propkey)
                 except Exception: