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gh-102755: PyErr_DisplayException only in ABI >= 3.12. Tests cover PyErr_Display as well (GH-102849)

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Irit Katriel 2023-03-21 09:36:18 +00:00 committed by GitHub
parent 82eb9469e7
commit 5c471f3f2a
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3 changed files with 31 additions and 4 deletions
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3
Include/pythonrun.h
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@ -12,7 +12,10 @@ PyAPI_FUNC(PyObject *) Py_CompileString(const char *, const char *, int);
PyAPI_FUNC(void) PyErr_Print(void);
PyAPI_FUNC(void) PyErr_PrintEx(int);
PyAPI_FUNC(void) PyErr_Display(PyObject *, PyObject *, PyObject *);
#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x030C0000
PyAPI_FUNC(void) PyErr_DisplayException(PyObject *);
#endif
/* Stuff with no proper home (yet) */

16
Lib/test/test_traceback.py
View File

@ -394,6 +394,8 @@ class PurePythonExceptionFormattingMixin:
class CAPIExceptionFormattingMixin:
LEGACY = 0
def get_exception(self, callable, slice_start=0, slice_end=-1):
from _testcapi import exception_print
try:
@ -401,11 +403,13 @@ class CAPIExceptionFormattingMixin:
self.fail("No exception thrown.")
except Exception as e:
with captured_output("stderr") as tbstderr:
exception_print(e)
exception_print(e, self.LEGACY)
return tbstderr.getvalue().splitlines()[slice_start:slice_end]
callable_line = get_exception.__code__.co_firstlineno + 3
class CAPIExceptionFormattingLegacyMixin(CAPIExceptionFormattingMixin):
LEGACY = 1
@requires_debug_ranges()
class TracebackErrorLocationCaretTestBase:
@ -912,6 +916,16 @@ class CPythonTracebackErrorCaretTests(
Same set of tests as above but with Python's internal traceback printing.
"""
@cpython_only
@requires_debug_ranges()
class CPythonTracebackErrorCaretTests(
CAPIExceptionFormattingLegacyMixin,
TracebackErrorLocationCaretTestBase,
unittest.TestCase,
):
"""
Same set of tests as above but with Python's legacy internal traceback printing.
"""
class TracebackFormatTests(unittest.TestCase):

16
Modules/_testcapi/exceptions.c
View File

@ -40,12 +40,22 @@ static PyObject *
exception_print(PyObject *self, PyObject *args)
{
PyObject *exc;
int legacy = 0;
if (!PyArg_ParseTuple(args, "O:exception_print", &exc)) {
if (!PyArg_ParseTuple(args, "O|i:exception_print", &exc, &legacy)) {
return NULL;
}
PyErr_DisplayException(exc);
if (legacy) {
PyObject *tb = NULL;
if (PyExceptionInstance_Check(exc)) {
tb = PyException_GetTraceback(exc);
}
PyErr_Display((PyObject *) Py_TYPE(exc), exc, tb);
Py_XDECREF(tb);
}
else {
PyErr_DisplayException(exc);
}
Py_RETURN_NONE;
}