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gh-105201: Add PyIter_NextItem() (#122331)

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Return -1 and set an exception on error; return 0 if the iterator is
exhausted, and return 1 if the next item was fetched successfully.

Prefer this API to PyIter_Next(), which requires the caller to use
PyErr_Occurred() to differentiate between iterator exhaustion and errors.

Co-authered-by: Irit Katriel <iritkatriel@yahoo.com>
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Erlend E. Aasland 2024-08-08 00:47:15 +02:00 • committed by GitHub
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Doc/whatsnew/3.14.rst
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@ -404,6 +404,10 @@ New Features
(Contributed by Victor Stinner in :gh:`119182`.)
* Add :c:func:`PyIter_NextItem` to replace :c:func:`PyIter_Next`,
which has an ambiguous return value.
(Contributed by Irit Katriel and Erlend Aasland in :gh:`105201`.)
Porting to Python 3.14
----------------------