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gh-102778: Add sys.last_exc, deprecate sys.last_type, sys.last_value,sys.last_traceback (#102779)

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Irit Katriel 2023-03-18 11:47:11 +00:00 • committed by GitHub
parent 039714d00f
commit e1e9bab006
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22 changed files with 103 additions and 36 deletions
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2
Python/pylifecycle.c
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@ -1304,7 +1304,7 @@ finalize_modules_delete_special(PyThreadState *tstate, int verbose)
{
// List of names to clear in sys
static const char * const sys_deletes[] = {
"path", "argv", "ps1", "ps2",
"path", "argv", "ps1", "ps2", "last_exc",
"last_type", "last_value", "last_traceback",
"__interactivehook__",
// path_hooks and path_importer_cache are cleared

4
Python/pythonrun.c
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@ -776,6 +776,10 @@ _PyErr_PrintEx(PyThreadState *tstate, int set_sys_last_vars)
}
if (set_sys_last_vars) {
if (_PySys_SetAttr(&_Py_ID(last_exc), exc) < 0) {
_PyErr_Clear(tstate);
}
/* Legacy version: */
if (_PySys_SetAttr(&_Py_ID(last_type), typ) < 0) {
_PyErr_Clear(tstate);
}

6
Python/sysmodule.c
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@ -2670,11 +2670,13 @@ stderr -- standard error object; used for error messages\n\
By assigning other file objects (or objects that behave like files)\n\
to these, it is possible to redirect all of the interpreter's I/O.\n\
\n\
last_exc - the last uncaught exception\n\
Only available in an interactive session after a\n\
traceback has been printed.\n\
last_type -- type of last uncaught exception\n\
last_value -- value of last uncaught exception\n\
last_traceback -- traceback of last uncaught exception\n\
These three are only available in an interactive session after a\n\
traceback has been printed.\n\
These three are the (deprecated) legacy representation of last_exc.\n\
"
)
/* concatenating string here */