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bpo-43916: Apply Py_TPFLAGS_DISALLOW_INSTANTIATION to selected types (GH-25748)

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Apply Py_TPFLAGS_DISALLOW_INSTANTIATION to the following types:

* _dbm.dbm
* _gdbm.gdbm
* _multibytecodec.MultibyteCodec
* _sre..SRE_Scanner
* _thread._localdummy
* _thread.lock
* _winapi.Overlapped
* array.arrayiterator
* functools.KeyWrapper
* functools._lru_list_elem
* pyexpat.xmlparser
* re.Match
* re.Pattern
* unicodedata.UCD
* zlib.Compress
* zlib.Decompress
This commit is contained in:
Erlend Egeberg Aasland 2021-04-30 16:04:57 +02:00 • committed by GitHub
parent 387397f8a4
commit 9746cda705
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GPG key ID: 4AEE18F83AFDEB23
20 changed files with 87 additions and 28 deletions
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5
Modules/_threadmodule.c
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@ -312,7 +312,8 @@ static PyType_Slot lock_type_slots[] = {
static PyType_Spec lock_type_spec = {
.name = "_thread.lock",
.basicsize = sizeof(lockobject),
.flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC,
.flags = (Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC |
Py_TPFLAGS_DISALLOW_INSTANTIATION),
.slots = lock_type_slots,
};
@ -683,7 +684,7 @@ static PyType_Slot local_dummy_type_slots[] = {
static PyType_Spec local_dummy_type_spec = {
.name = "_thread._localdummy",
.basicsize = sizeof(localdummyobject),
.flags = Py_TPFLAGS_DEFAULT,
.flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_DISALLOW_INSTANTIATION,
.slots = local_dummy_type_slots,
};