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gh-110912: Correctly display tracebacks for MemoryError exceptions using the traceback module (#110921)

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Pablo Galindo Salgado 2023-10-16 15:39:23 +01:00 committed by GitHub
parent bad7a35055
commit b3c9faf056
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3 changed files with 14 additions and 4 deletions
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11
Lib/test/test_traceback.py
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@ -927,6 +927,17 @@ def f():
]
self.assertEqual(actual, expected)
def test_memory_error(self):
def f():
raise MemoryError()
actual = self.get_exception(f)
expected = ['Traceback (most recent call last):',
f' File "{__file__}", line {self.callable_line}, in get_exception',
' callable()',
f' File "{__file__}", line {f.__code__.co_firstlineno + 1}, in f',
' raise MemoryError()']
self.assertEqual(actual, expected)
@requires_debug_ranges()

2
Misc/NEWS.d/next/Core and Builtins/2023-10-16-12-12-48.gh-issue-110912.uEJGi_.rst Normal file
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@ -0,0 +1,2 @@
Correctly display the traceback for :exc:`MemoryError` exceptions using the
:mod:`traceback` module. Patch by Pablo Galindo

5
Python/pythonrun.c
View file

@ -1031,6 +1031,7 @@ print_exception_recursive(struct exception_print_context *ctx, PyObject *value)
void
_PyErr_Display(PyObject *file, PyObject *unused, PyObject *value, PyObject *tb)
{
assert(value != NULL);
assert(file != NULL && file != Py_None);
if (PyExceptionInstance_Check(value)
&& tb != NULL && PyTraceBack_Check(tb)) {
@ -1047,10 +1048,6 @@ _PyErr_Display(PyObject *file, PyObject *unused, PyObject *value, PyObject *tb)
int unhandled_keyboard_interrupt = _PyRuntime.signals.unhandled_keyboard_interrupt;
if (!value || PyErr_GivenExceptionMatches(value, PyExc_MemoryError)) {
goto fallback;
}
// Try first with the stdlib traceback module
PyObject *traceback_module = PyImport_ImportModule("traceback");