commit d439fb304ca3098aab1ed0a314996f9d29347b21
author Pablo Galindo <Pablogsal@gmail.com> Sat Feb 20 18:03:08 2021 +0000
committer GitHub <noreply@github.com> Sat Feb 20 18:03:08 2021 +0000
tree 10d231bac1b2f609a1179cbe8e6e06610080feb0
parent 46496f9d12582bf11f4911ad0f23315d6f277907

bpo-43277: Add PySet_CheckExact to the C-API (GH-24598)

For some mysterious reason we have PySet_Check, PyFrozenSet_Check, PyAnySet_Check, PyAnySet_CheckExact and PyFrozenSet_CheckExact but no PySet_CheckExact.

Objects/setobject.c

diff --git a/Objects/setobject.c b/Objects/setobject.c
index 79e8451..bfe6917 100644
--- a/Objects/setobject.c
+++ b/Objects/setobject.c
@@ -522,7 +522,7 @@ set_repr(PySetObject *so)
         goto done;
     listrepr = tmp;
 
-    if (!Py_IS_TYPE(so, &PySet_Type))
+    if (!PySet_CheckExact(so))
         result = PyUnicode_FromFormat("%s({%U})",
                                       Py_TYPE(so)->tp_name,
                                       listrepr);