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[3.11] GH-100762: Don't call gen.throw() in gen.close(), unless necessary #101316

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markshannon wants to merge 5 commits into from
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[3.11] GH-100762: Don't call gen.throw() in gen.close(), unless necessary #101316

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markshannon Jan 25, 2023
f67b210
Don't call gen.throw() from gen.close() unless necessary.
markshannon Jan 25, 2023
89aacd8
Merge branch '3.11' into 100762-backport
markshannon Jan 26, 2023
78d38d9
Merge branch '3.11' into 100762-backport
markshannon Feb 23, 2023
775c360
Merge branch '3.11' into 100762-backport
markshannon May 11, 2023
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Don't call gen.throw() from gen.close() unless necessary.
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@markshannon
markshannon committed Jan 25, 2023
commit f67b210bdf5bd386326922bc1cff6c5c83daeb72
12 changes: 12 additions & 0 deletions Objects/genobject.c
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Original file line number Diff line number Diff line change
Expand Up @@ -376,6 +376,13 @@ static PyObject *
gen_close(PyGenObject *gen, PyObject *args)
{
PyObject *retval;
if (gen->gi_frame_state == FRAME_CREATED) {
gen->gi_frame_state = FRAME_COMPLETED;
Py_RETURN_NONE;
}
if (gen->gi_frame_state >= FRAME_COMPLETED) {
Py_RETURN_NONE;
}
PyObject *yf = _PyGen_yf(gen);
int err = 0;

Expand All @@ -386,6 +393,11 @@ gen_close(PyGenObject *gen, PyObject *args)
gen->gi_frame_state = state;
Py_DECREF(yf);
}
_PyInterpreterFrame *frame = (_PyInterpreterFrame *)gen->gi_iframe;
assert(PyBytes_CheckExact(frame->f_code->co_exceptiontable));
if (err == 0 && PyBytes_GET_SIZE(frame->f_code->co_exceptiontable) == 0) {
Py_RETURN_NONE;
}
if (err == 0)
PyErr_SetNone(PyExc_GeneratorExit);
retval = gen_send_ex(gen, Py_None, 1, 1);
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