commit 7297d74251de3b1c02dcdb9ca281461cc7fb4535
author Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com> Thu Jun 17 03:19:44 2021 -0700
committer GitHub <noreply@github.com> Thu Jun 17 11:19:44 2021 +0100
tree 1f5e034feafd8006b0eb5f73b618a5da3e974274
parent 08f2b9dedea13d2e9d11c189914387db3a66e2ca

bpo-43908: Make heap types converted during 3.10 alpha immutable (GH-26351) (GH-26766)

* Make functools types immutable

* Multibyte codec types are now immutable

* pyexpat.xmlparser is now immutable

* array.arrayiterator is now immutable

* _thread types are now immutable

* _csv types are now immutable

* _queue.SimpleQueue is now immutable

* mmap.mmap is now immutable

* unicodedata.UCD is now immutable

* sqlite3 types are now immutable

* _lsprof.Profiler is now immutable

* _overlapped.Overlapped is now immutable

* _operator types are now immutable

* winapi__overlapped.Overlapped is now immutable

* _lzma types are now immutable

* _bz2 types are now immutable

* _dbm.dbm and _gdbm.gdbm are now immutable
(cherry picked from commit 00710e6346fd2394aa020b2dfae170093effac98)

Co-authored-by: Erlend Egeberg Aasland <erlend.aasland@innova.no>

Co-authored-by: Erlend Egeberg Aasland <erlend.aasland@innova.no>

Modules/_threadmodule.c

diff --git a/Modules/_threadmodule.c b/Modules/_threadmodule.c
index 5a2001c..d9a71af 100644
--- a/Modules/_threadmodule.c
+++ b/Modules/_threadmodule.c
@@ -313,7 +313,7 @@ static PyType_Spec lock_type_spec = {
     .name = "_thread.lock",
     .basicsize = sizeof(lockobject),
     .flags = (Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC |
-              Py_TPFLAGS_DISALLOW_INSTANTIATION),
+              Py_TPFLAGS_DISALLOW_INSTANTIATION | Py_TPFLAGS_IMMUTABLETYPE),
     .slots = lock_type_slots,
 };
 
@@ -594,7 +594,8 @@ static PyType_Slot rlock_type_slots[] = {
 static PyType_Spec rlock_type_spec = {
     .name = "_thread.RLock",
     .basicsize = sizeof(rlockobject),
-    .flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC | Py_TPFLAGS_BASETYPE,
+    .flags = (Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE |
+              Py_TPFLAGS_HAVE_GC | Py_TPFLAGS_IMMUTABLETYPE),
     .slots = rlock_type_slots,
 };
 
@@ -693,7 +694,8 @@ static PyType_Slot local_dummy_type_slots[] = {
 static PyType_Spec local_dummy_type_spec = {
     .name = "_thread._localdummy",
     .basicsize = sizeof(localdummyobject),
-    .flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_DISALLOW_INSTANTIATION,
+    .flags = (Py_TPFLAGS_DEFAULT | Py_TPFLAGS_DISALLOW_INSTANTIATION |
+              Py_TPFLAGS_IMMUTABLETYPE),
     .slots = local_dummy_type_slots,
 };
 
@@ -977,7 +979,8 @@ static PyType_Slot local_type_slots[] = {
 static PyType_Spec local_type_spec = {
     .name = "_thread._local",
     .basicsize = sizeof(localobject),
-    .flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE | Py_TPFLAGS_HAVE_GC,
+    .flags = (Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE | Py_TPFLAGS_HAVE_GC |
+              Py_TPFLAGS_IMMUTABLETYPE),
     .slots = local_type_slots,
 };