fix: Prohibited fields need default value None

resolve #1091
tefra · Dec 1, 2024 · 360ba1a · 360ba1a
1 parent 6e3f505
commit 360ba1a
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diff --git a/tests/formats/dataclass/test_filters.py b/tests/formats/dataclass/test_filters.py
@@ -281,6 +281,7 @@ def test_field_definition_with_prohibited_attr(self):
         expected = (
             "field(\n"
             "        init=False,\n"
+            "        default=None,\n"
             "        metadata={\n"
             '            "type": "Ignore",\n'
             "        }\n"

diff --git a/xsdata/formats/dataclass/filters.py b/xsdata/formats/dataclass/filters.py
@@ -255,6 +255,7 @@ def field_definition(
         kwargs: Dict[str, Any] = {}
         if attr.fixed or attr.is_prohibited:
             kwargs["init"] = False
+            kwargs[self.DEFAULT_KEY] = None
 
         if default_value is not False and not attr.is_prohibited:
             key = self.FACTORY_KEY if attr.is_factory else self.DEFAULT_KEY