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bpo-32571: Avoid raising unneeded AttributeError and silencing it in C code (GH-5222)

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Add two new private APIs: _PyObject_LookupAttr() and _PyObject_LookupAttrId()
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Serhiy Storchaka 2018-01-25 10:49:40 +02:00 • committed by INADA Naoki
parent 2b822a0bb1
commit f320be77ff
22 changed files with 1455 additions and 1442 deletions
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21
Objects/genobject.c
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@ -352,13 +352,11 @@ gen_close_iter(PyObject *yf)
return -1;
}
else {
PyObject *meth = _PyObject_GetAttrId(yf, &PyId_close);
if (meth == NULL) {
if (!PyErr_ExceptionMatches(PyExc_AttributeError))
PyErr_WriteUnraisable(yf);
PyErr_Clear();
PyObject *meth;
if (_PyObject_LookupAttrId(yf, &PyId_close, &meth) < 0) {
PyErr_WriteUnraisable(yf);
}
else {
if (meth) {
retval = _PyObject_CallNoArg(meth);
Py_DECREF(meth);
if (retval == NULL)
@ -471,13 +469,12 @@ _gen_throw(PyGenObject *gen, int close_on_genexit,
gen->gi_running = 0;
} else {
/* `yf` is an iterator or a coroutine-like object. */
PyObject *meth = _PyObject_GetAttrId(yf, &PyId_throw);
PyObject *meth;
if (_PyObject_LookupAttrId(yf, &PyId_throw, &meth) < 0) {
Py_DECREF(yf);
return NULL;
}
if (meth == NULL) {
if (!PyErr_ExceptionMatches(PyExc_AttributeError)) {
Py_DECREF(yf);
return NULL;
}
PyErr_Clear();
Py_DECREF(yf);
goto throw_here;
}