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/cjkcodecs/multibytecodec.c

diff --git a/Modules/cjkcodecs/multibytecodec.c b/Modules/cjkcodecs/multibytecodec.c
index cb7182f..ba558d0 100644
--- a/Modules/cjkcodecs/multibytecodec.c
+++ b/Modules/cjkcodecs/multibytecodec.c
@@ -749,7 +749,7 @@ static PyType_Spec multibytecodec_spec = {
     .name = MODULE_NAME ".MultibyteCodec",
     .basicsize = sizeof(MultibyteCodecObject),
     .flags = (Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC |
-              Py_TPFLAGS_DISALLOW_INSTANTIATION),
+              Py_TPFLAGS_DISALLOW_INSTANTIATION | Py_TPFLAGS_IMMUTABLETYPE),
     .slots = multibytecodec_slots,
 };
 
@@ -1111,7 +1111,8 @@ static PyType_Slot encoder_slots[] = {
 static PyType_Spec encoder_spec = {
     .name = MODULE_NAME ".MultibyteIncrementalEncoder",
     .basicsize = sizeof(MultibyteIncrementalEncoderObject),
-    .flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC | Py_TPFLAGS_BASETYPE,
+    .flags = (Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC | Py_TPFLAGS_BASETYPE |
+              Py_TPFLAGS_IMMUTABLETYPE),
     .slots = encoder_slots,
 };
 
@@ -1384,7 +1385,8 @@ static PyType_Slot decoder_slots[] = {
 static PyType_Spec decoder_spec = {
     .name = MODULE_NAME ".MultibyteIncrementalDecoder",
     .basicsize = sizeof(MultibyteIncrementalDecoderObject),
-    .flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC | Py_TPFLAGS_BASETYPE,
+    .flags = (Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC | Py_TPFLAGS_BASETYPE |
+              Py_TPFLAGS_IMMUTABLETYPE),
     .slots = decoder_slots,
 };
 
@@ -1705,7 +1707,8 @@ static PyType_Slot reader_slots[] = {
 static PyType_Spec reader_spec = {
     .name = MODULE_NAME ".MultibyteStreamReader",
     .basicsize = sizeof(MultibyteStreamReaderObject),
-    .flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC | Py_TPFLAGS_BASETYPE,
+    .flags = (Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC | Py_TPFLAGS_BASETYPE |
+              Py_TPFLAGS_IMMUTABLETYPE),
     .slots = reader_slots,
 };
 
@@ -1925,7 +1928,8 @@ static PyType_Slot writer_slots[] = {
 static PyType_Spec writer_spec = {
     .name = MODULE_NAME ".MultibyteStreamWriter",
     .basicsize = sizeof(MultibyteStreamWriterObject),
-    .flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC | Py_TPFLAGS_BASETYPE,
+    .flags = (Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC | Py_TPFLAGS_BASETYPE |
+              Py_TPFLAGS_IMMUTABLETYPE),
     .slots = writer_slots,
 };