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gh-121110: Fix Extension Module Tests Under Py_TRACE_REFS Builds (gh-121503)

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The change in gh-118157 (b2cd54a) should have also updated clear_singlephase_extension() but didn't.  We fix that here.  Note that clear_singlephase_extension() (AKA _PyImport_ClearExtension()) is only used in tests.
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Eric Snow 2024-07-08 15:10:00 -06:00 • committed by GitHub
parent 218edaf0ff
commit 15d48aea02
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2 changed files with 43 additions and 26 deletions
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62
Python/import.c
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@ -1532,6 +1532,35 @@ switch_to_main_interpreter(PyThreadState *tstate)
return main_tstate;
}
static void
switch_back_from_main_interpreter(PyThreadState *tstate,
PyThreadState *main_tstate,
PyObject *tempobj)
{
assert(main_tstate == PyThreadState_GET());
assert(_Py_IsMainInterpreter(main_tstate->interp));
assert(tstate->interp != main_tstate->interp);
/* Handle any exceptions, which we cannot propagate directly
* to the subinterpreter. */
if (PyErr_Occurred()) {
if (PyErr_ExceptionMatches(PyExc_MemoryError)) {
/* We trust it will be caught again soon. */
PyErr_Clear();
}
else {
/* Printing the exception should be sufficient. */
PyErr_PrintEx(0);
}
}
Py_XDECREF(tempobj);
PyThreadState_Clear(main_tstate);
(void)PyThreadState_Swap(tstate);
PyThreadState_Delete(main_tstate);
}
static PyObject *
get_core_module_dict(PyInterpreterState *interp,
PyObject *name, PyObject *path)
@ -2027,27 +2056,10 @@ main_finally:
/* Switch back to the subinterpreter. */
if (switched) {
assert(main_tstate != tstate);
/* Handle any exceptions, which we cannot propagate directly
* to the subinterpreter. */
if (PyErr_Occurred()) {
if (PyErr_ExceptionMatches(PyExc_MemoryError)) {
/* We trust it will be caught again soon. */
PyErr_Clear();
}
else {
/* Printing the exception should be sufficient. */
PyErr_PrintEx(0);
}
}
switch_back_from_main_interpreter(tstate, main_tstate, mod);
/* Any module we got from the init function will have to be
* reloaded in the subinterpreter. */
Py_CLEAR(mod);
PyThreadState_Clear(main_tstate);
(void)PyThreadState_Swap(tstate);
PyThreadState_Delete(main_tstate);
mod = NULL;
}
/*****************************************************************/
@ -2141,9 +2153,21 @@ clear_singlephase_extension(PyInterpreterState *interp,
}
}
/* We must use the main interpreter to clean up the cache.
* See the note in import_run_extension(). */
PyThreadState *tstate = PyThreadState_GET();
PyThreadState *main_tstate = switch_to_main_interpreter(tstate);
if (main_tstate == NULL) {
return -1;
}
/* Clear the cached module def. */
_extensions_cache_delete(path, name);
if (main_tstate != tstate) {
switch_back_from_main_interpreter(tstate, main_tstate, NULL);
}
return 0;
}