commit 91554e4c5ca3c762998296522f854a7166ba84f0
author Christian Heimes <christian@python.org> Sun May 02 09:47:45 2021 +0200
committer GitHub <noreply@github.com> Sun May 02 09:47:45 2021 +0200
tree aa6e08eedef59c4a4d5c750ed60e5d463f05a4ad
parent fd0bc7e7f4f2c7de98a1ebc7ad1ef65b8f8f7ad6

bpo-43908: Mark ssl, hash, and hmac types as immutable (GH-25792)

Signed-off-by: Christian Heimes <christian@python.org>

Modules/sha256module.c

diff --git a/Modules/sha256module.c b/Modules/sha256module.c
index ccb1862..1edb9dc 100644
--- a/Modules/sha256module.c
+++ b/Modules/sha256module.c
@@ -544,14 +544,14 @@ static PyType_Slot sha256_types_slots[] = {
 static PyType_Spec sha224_type_spec = {
     .name = "_sha256.sha224",
     .basicsize = sizeof(SHAobject),
-    .flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_DISALLOW_INSTANTIATION,
+    .flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_DISALLOW_INSTANTIATION | Py_TPFLAGS_IMMUTABLETYPE,
     .slots = sha256_types_slots
 };
 
 static PyType_Spec sha256_type_spec = {
     .name = "_sha256.sha256",
     .basicsize = sizeof(SHAobject),
-    .flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_DISALLOW_INSTANTIATION,
+    .flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_DISALLOW_INSTANTIATION | Py_TPFLAGS_IMMUTABLETYPE,
     .slots = sha256_types_slots
 };