Make name and value read-only for Enums (#6576)

Author: AlexWaygood

stdlib/enum.pyi

@@ -92,8 +92,16 @@ if sys.version_info >= (3, 11):
     EnumType = EnumMeta
 
 class Enum(metaclass=EnumMeta):
-    name: str
-    value: Any
+    if sys.version_info >= (3, 11):
+        @property
+        def name(self) -> str: ...
+        @property
+        def value(self) -> Any: ...
+    else:
+        @types.DynamicClassAttribute
+        def name(self) -> str: ...
+        @types.DynamicClassAttribute
+        def value(self) -> Any: ...
     _name_: str
     _value_: Any
     if sys.version_info >= (3, 7):

tests/stubtest_allowlists/py3_common.txt

@@ -83,6 +83,8 @@ distutils.command.bdist_packager  # It exists in docs as package name but not in
 distutils.version.Version._cmp  # class should have declared this
 distutils.version.Version.parse  # class should have declared this
 email.headerregistry.BaseHeader.max_count  # docs say subclasses should have this property
+enum.Enum.name  # A special property that exists at runtime, but stubtest can't detect https://github.com/python/typeshed/pull/6576#issuecomment-992538677
+enum.Enum.value  # A special property that exists at runtime, but stubtest can't detect https://github.com/python/typeshed/pull/6576#issuecomment-992538677
 http.HTTPStatus.description  # set in __new__
 http.HTTPStatus.phrase  # set in __new__
 http.client.HTTPConnection.response_class  # the actual type at runtime is abc.ABCMeta