From 77c4fd01dd3fa9b7830ca3dcd1506565352d32f3 Mon Sep 17 00:00:00 2001 From: Benjamin Peterson Date: Tue, 9 Aug 2011 16:07:01 -0500 Subject: [PATCH] note mutating tp_dict is bad (closes #12719) --- Doc/c-api/typeobj.rst | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/Doc/c-api/typeobj.rst b/Doc/c-api/typeobj.rst index 4a6335c869..68ca9adaa9 100644 --- a/Doc/c-api/typeobj.rst +++ b/Doc/c-api/typeobj.rst @@ -745,6 +745,11 @@ type objects) *must* have the :attr:`ob_size` field. This field is not inherited by subtypes (though the attributes defined in here are inherited through a different mechanism). + .. warning:: + + It is not safe to use :c:func:`PyDict_SetItem` on or otherwise modify + :attr:`tp_dict` with the dictionary C-API. + .. c:member:: descrgetfunc PyTypeObject.tp_descr_get -- 2.40.0