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/_sqlite/connection.c

diff --git a/Modules/_sqlite/connection.c b/Modules/_sqlite/connection.c
index 8e42a36..4e0ad9a 100644
--- a/Modules/_sqlite/connection.c
+++ b/Modules/_sqlite/connection.c
@@ -1934,7 +1934,8 @@ static PyType_Slot connection_slots[] = {
 static PyType_Spec connection_spec = {
     .name = MODULE_NAME ".Connection",
     .basicsize = sizeof(pysqlite_Connection),
-    .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 = connection_slots,
 };
 

Modules/_sqlite/cursor.c

diff --git a/Modules/_sqlite/cursor.c b/Modules/_sqlite/cursor.c
index 0335e98..c10a823 100644
--- a/Modules/_sqlite/cursor.c
+++ b/Modules/_sqlite/cursor.c
@@ -1036,7 +1036,8 @@ static PyType_Slot cursor_slots[] = {
 static PyType_Spec cursor_spec = {
     .name = MODULE_NAME ".Cursor",
     .basicsize = sizeof(pysqlite_Cursor),
-    .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 = cursor_slots,
 };
 

Modules/_sqlite/prepare_protocol.c

diff --git a/Modules/_sqlite/prepare_protocol.c b/Modules/_sqlite/prepare_protocol.c
index ece42f4..800eef8 100644
--- a/Modules/_sqlite/prepare_protocol.c
+++ b/Modules/_sqlite/prepare_protocol.c
@@ -56,7 +56,8 @@ static PyType_Slot type_slots[] = {
 static PyType_Spec type_spec = {
     .name = MODULE_NAME ".PrepareProtocol",
     .basicsize = sizeof(pysqlite_PrepareProtocol),
-    .flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC,
+    .flags = (Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC |
+              Py_TPFLAGS_IMMUTABLETYPE),
     .slots = type_slots,
 };
 

Modules/_sqlite/row.c

diff --git a/Modules/_sqlite/row.c b/Modules/_sqlite/row.c
index 24722be..643194d 100644
--- a/Modules/_sqlite/row.c
+++ b/Modules/_sqlite/row.c
@@ -254,7 +254,8 @@ static PyType_Slot row_slots[] = {
 static PyType_Spec row_spec = {
     .name = MODULE_NAME ".Row",
     .basicsize = sizeof(pysqlite_Row),
-    .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 = row_slots,
 };
 

Modules/_sqlite/statement.c

diff --git a/Modules/_sqlite/statement.c b/Modules/_sqlite/statement.c
index 072b07d..2fd9ba3 100644
--- a/Modules/_sqlite/statement.c
+++ b/Modules/_sqlite/statement.c
@@ -508,7 +508,8 @@ static PyType_Slot stmt_slots[] = {
 static PyType_Spec stmt_spec = {
     .name = MODULE_NAME ".Statement",
     .basicsize = sizeof(pysqlite_Statement),
-    .flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC,
+    .flags = (Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC |
+              Py_TPFLAGS_IMMUTABLETYPE),
     .slots = stmt_slots,
 };
 PyTypeObject *pysqlite_StatementType = NULL;