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gh-112716: Fix SystemError when __builtins__ is not a dict (GH-112770)

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It was raised in two cases:
* in the import statement when looking up __import__
* in pickling some builtin type when looking up built-ins iter, getattr, etc.
This commit is contained in:
Serhiy Storchaka 2023-12-14 14:24:24 +02:00 • committed by GitHub
parent 12f0bbd6e0
commit 1161c14e8c
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3 changed files with 30 additions and 2 deletions
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4
Python/ceval.c
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@ -2417,7 +2417,7 @@ PyObject *
_PyEval_GetBuiltin(PyObject *name)
{
PyObject *attr;
if (PyDict_GetItemRef(PyEval_GetBuiltins(), name, &attr) == 0) {
if (PyMapping_GetOptionalItem(PyEval_GetBuiltins(), name, &attr) == 0) {
PyErr_SetObject(PyExc_AttributeError, name);
}
return attr;
@ -2570,7 +2570,7 @@ import_name(PyThreadState *tstate, _PyInterpreterFrame *frame,
PyObject *name, PyObject *fromlist, PyObject *level)
{
PyObject *import_func;
if (PyDict_GetItemRef(frame->f_builtins, &_Py_ID(__import__), &import_func) < 0) {
if (PyMapping_GetOptionalItem(frame->f_builtins, &_Py_ID(__import__), &import_func) < 0) {
return NULL;
}
if (import_func == NULL) {