def sanitize_attribute(cls, attr: Attr):
if attr.is_list:
attr.fixed = False
else:
attr.restrictions.sequential = False
if attr.is_optional or attr.is_xsi_type:
attr.fixed = False
attr.default = None
def process_attribute(cls, target: Class, attr: Attr, parents: List[str]):
"""Normalize attribute properties."""
attr.name = cls.attribute_name(attr.name)
attr.display_type = cls.attribute_display_type(attr, parents)
attr.default = cls.attribute_default(attr, target.ns_map)
attr.xml_type = cls.xml_type_map.get(attr.tag)
if attr.local_name:
attr.local_name = text.suffix(attr.local_name)