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gh-118702: Implement vectorcall for BaseException (#118703)

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* BaseException_vectorcall() now creates a tuple from 'args' array.
* Creation an exception using BaseException_vectorcall() is now a
  single function call, rather than having to call
  BaseException_new() and then BaseException_init().
  Calling BaseException_init() is inefficient since it overrides
  the 'args' attribute.
* _PyErr_SetKeyError() now uses PyObject_CallOneArg() to create the
  KeyError instance to use BaseException_vectorcall().
This commit is contained in:
Victor Stinner 2024-05-10 21:08:24 +02:00 • committed by GitHub
parent ec9d12be96
commit aa36f83c16
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3 changed files with 68 additions and 4 deletions
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9
Python/errors.c
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@ -257,13 +257,14 @@ void
_PyErr_SetKeyError(PyObject *arg)
{
PyThreadState *tstate = _PyThreadState_GET();
PyObject *tup = PyTuple_Pack(1, arg);
if (!tup) {
PyObject *exc = PyObject_CallOneArg(PyExc_KeyError, arg);
if (!exc) {
/* caller will expect error to be set anyway */
return;
}
_PyErr_SetObject(tstate, PyExc_KeyError, tup);
Py_DECREF(tup);
_PyErr_SetObject(tstate, (PyObject*)Py_TYPE(exc), exc);
Py_DECREF(exc);
}
void