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Code Issues Projects Releases Packages Wiki Activity Actions 18

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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30
Objects/classobject.c
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@ -246,21 +246,14 @@ method_repr(PyMethodObject *a)
{
PyObject *self = a->im_self;
PyObject *func = a->im_func;
PyObject *funcname = NULL, *result = NULL;
PyObject *funcname, *result;
const char *defname = "?";
funcname = _PyObject_GetAttrId(func, &PyId___qualname__);
if (funcname == NULL) {
if (!PyErr_ExceptionMatches(PyExc_AttributeError))
return NULL;
PyErr_Clear();
funcname = _PyObject_GetAttrId(func, &PyId___name__);
if (funcname == NULL) {
if (!PyErr_ExceptionMatches(PyExc_AttributeError))
return NULL;
PyErr_Clear();
}
if (_PyObject_LookupAttrId(func, &PyId___qualname__, &funcname) < 0 ||
(funcname == NULL &&
_PyObject_LookupAttrId(func, &PyId___name__, &funcname) < 0))
{
return NULL;
}
if (funcname != NULL && !PyUnicode_Check(funcname)) {
@ -542,7 +535,7 @@ static PyObject *
instancemethod_repr(PyObject *self)
{
PyObject *func = PyInstanceMethod_Function(self);
PyObject *funcname = NULL , *result = NULL;
PyObject *funcname, *result;
const char *defname = "?";
if (func == NULL) {
@ -550,13 +543,10 @@ instancemethod_repr(PyObject *self)
return NULL;
}
funcname = _PyObject_GetAttrId(func, &PyId___name__);
if (funcname == NULL) {
if (!PyErr_ExceptionMatches(PyExc_AttributeError))
return NULL;
PyErr_Clear();
if (_PyObject_LookupAttrId(func, &PyId___name__, &funcname) < 0) {
return NULL;
}
else if (!PyUnicode_Check(funcname)) {
if (funcname != NULL && !PyUnicode_Check(funcname)) {
Py_DECREF(funcname);
funcname = NULL;
}