Avoid reseting required flag on xs:attributes

xsdata/codegen/handlers/create_compound_fields.py

@@ -2,6 +2,7 @@
 from collections import defaultdict
 from typing import Dict
 from typing import List
+from typing import Set
 
 from xsdata.codegen.mixins import ContainerInterface
 from xsdata.codegen.mixins import RelativeHandlerInterface
@@ -90,7 +91,7 @@ def choose_name(self, target: Class, names: List[str]) -> str:
         reserved = self.build_reserved_names(target, names)
         return ClassUtils.unique_name(name, reserved)
 
-    def build_reserved_names(self, target: Class, names: List[str]) -> set[str]:
+    def build_reserved_names(self, target: Class, names: List[str]) -> Set[str]:
         names_counter = Counter(names)
         all_attrs = self.base_attrs(target)
         all_attrs.extend(target.attrs)

xsdata/codegen/handlers/sanitize_attributes_default_value.py

@@ -171,10 +171,14 @@ def should_reset_required(cls, attr: Attr) -> bool:
         """
         Return whether the min occurrences for the attr needs to be reset.
 
-        Cases:
-            1. xs:any(Simple)Type, with no default value that's not a list already!
+        @Todo figure out if wildcards are supposed to be optional!
         """
-        return attr.default is None and object in attr.native_types and not attr.is_list
+        return (
+            not attr.is_attribute
+            and attr.default is None
+            and object in attr.native_types
+            and not attr.is_list
+        )
 
     @classmethod
     def should_reset_default(cls, attr: Attr) -> bool: