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gh-41779: Allow defining any __slots__ for a class derived from tuple

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Serhiy Storchaka 2025-11-19 19:11:37 +02:00
parent 3149d64c93
commit a452fce1f5
8 changed files with 61 additions and 10 deletions
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9
Python/specialize.c
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@ -139,6 +139,7 @@ _PyCode_Quicken(_Py_CODEUNIT *instructions, Py_ssize_t size, int enable_counters
#define SPEC_FAIL_ATTR_METACLASS_OVERRIDDEN 34
#define SPEC_FAIL_ATTR_SPLIT_DICT 35
#define SPEC_FAIL_ATTR_DESCR_NOT_DEFERRED 36
#define SPEC_FAIL_ATTR_SLOT_AFTER_ITEMS 37
/* Binary subscr and store subscr */
@ -810,6 +811,10 @@ do_specialize_instance_load_attr(PyObject* owner, _Py_CODEUNIT* instr, PyObject*
SPECIALIZATION_FAIL(LOAD_ATTR, SPEC_FAIL_EXPECTED_ERROR);
return -1;
}
if (dmem->flags & _Py_AFTER_ITEMS) {
SPECIALIZATION_FAIL(LOAD_ATTR, SPEC_FAIL_ATTR_SLOT_AFTER_ITEMS);
return -1;
}
if (dmem->flags & Py_AUDIT_READ) {
SPECIALIZATION_FAIL(LOAD_ATTR, SPEC_FAIL_ATTR_AUDITED_SLOT);
return -1;
@ -1004,6 +1009,10 @@ _Py_Specialize_StoreAttr(_PyStackRef owner_st, _Py_CODEUNIT *instr, PyObject *na
SPECIALIZATION_FAIL(STORE_ATTR, SPEC_FAIL_EXPECTED_ERROR);
goto fail;
}
if (dmem->flags & _Py_AFTER_ITEMS) {
SPECIALIZATION_FAIL(LOAD_ATTR, SPEC_FAIL_ATTR_SLOT_AFTER_ITEMS);
goto fail;
}
if (dmem->flags & Py_READONLY) {
SPECIALIZATION_FAIL(STORE_ATTR, SPEC_FAIL_ATTR_READ_ONLY);
goto fail;