fix for serializing IntFlag types

evennia/utils/dbserialize.py

@@ -35,6 +35,7 @@ from django.utils.safestring import SafeString
 import evennia
 from evennia.utils import logger
 from evennia.utils.utils import is_iter, to_bytes, uses_database
+from enum import IntFlag
 
 __all__ = ("to_pickle", "from_pickle", "do_pickle", "do_unpickle", "dbserialize", "dbunserialize")
 
@@ -672,6 +673,8 @@ def to_pickle(data):
 
         if dtype in (str, int, float, bool, bytes, SafeString):
             return item
+        elif isinstance(item, IntFlag):
+            return item.value
         elif dtype == tuple:
             return tuple(process_item(val) for val in item)
         elif dtype in (list, _SaverList):

evennia/utils/tests/test_dbserialize.py

@@ -9,6 +9,7 @@ from parameterized import parameterized
 
 from evennia.objects.objects import DefaultObject
 from evennia.utils import dbserialize
+from enum import IntFlag, auto
 
 
 class TestDbSerialize(TestCase):
@@ -20,6 +21,13 @@ class TestDbSerialize(TestCase):
         self.obj = DefaultObject(db_key="Tester")
         self.obj.save()
 
+    def test_intflag(self):
+        class TestFlag(IntFlag):
+            foo = auto()
+        self.obj.db.test = TestFlag.foo
+        self.assertEqual(self.obj.db.test, TestFlag.foo)
+        self.obj.save()
+
     def test_constants(self):
         self.obj.db.test = 1
         self.obj.db.test += 1