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GH-101578: Normalize the current exception (GH-101607)

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* Make sure that the current exception is always normalized.

* Remove redundant type and traceback fields for the current exception.

* Add new API functions: PyErr_GetRaisedException, PyErr_SetRaisedException

* Add new API functions: PyException_GetArgs, PyException_SetArgs
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Mark Shannon 2023-02-08 09:31:12 +00:00 • committed by GitHub
parent 027adf42cd
commit feec49c407
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29 changed files with 477 additions and 172 deletions
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7
Python/import.c
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@ -1592,6 +1592,13 @@ remove_importlib_frames(PyThreadState *tstate)
Py_DECREF(code);
tb = next;
}
assert(PyExceptionInstance_Check(value));
assert((PyObject *)Py_TYPE(value) == exception);
if (base_tb == NULL) {
base_tb = Py_None;
Py_INCREF(Py_None);
}
PyException_SetTraceback(value, base_tb);
done:
_PyErr_Restore(tstate, exception, value, base_tb);
}