8000 GH-98363: Fix exception handling in batched() by rhettinger · Pull Request #98523 · python/cpython · GitHub
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GH-98363: Fix exception handling in batched() #98523

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Merged
merged 5 commits into from
Oct 21, 2022
Merged

GH-98363: Fix exception handling in batched() #98523

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ccbb402
Add failing test for unhandled iterator expection
rhettinger Oct 21, 2022
9343e27
Fix failing test.
rhettinger Oct 21, 2022
9d8cf66
Refactor so that the logic is more clear
rhettinger Oct 21, 2022
699bdf6
Loop invariant code motion: hoist the slot lookup out of the loop.
rhettinger Oct 21, 2022
4b74a0b
Loop invariant code motion: hoist ob_item lookup out of the loop.
rhettinger Oct 21, 2022
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Loop invariant code motion: hoist ob_item lookup out of the loop.
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@rhettinger
rhettinger committed Oct 21, 2022
commit 4b74a0b1b38d076642b90dc83f073d1a1bf3cda6
3 changes: 2 additions & 1 deletion Modules/itertoolsmodule.c
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Original file line number Diff line number Diff line change
Expand Up @@ -155,12 +155,13 @@ batched_next(batchedobject *bo)
return NULL;
}
iternextfunc iternext = *Py_TYPE(it)->tp_iternext;
PyObject **items = PySequence_Fast_ITEMS(result);
for (i=0 ; i < n ; i++) {
item = iternext(it);
if (item == NULL) {
goto null_item;
}
PyList_SET_ITEM(result, i, item);
items[i] = item;
}
return result;

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