GeezerVison

Replace _PyBytes_Resize() with _PyBytes_ResizeKeepOnError().

Fix truncate(): on error, restore string_size to its previous value.

…159275)

gh-157242: Do not close io.BytesIO on MemoryError (GH-157344)

Replace _PyBytes_Resize() with _PyBytes_ResizeKeepOnError().

Fix truncate(): on error, restore string_size to its previous value.
(cherry picked from commit 23eda00)

Co-authored-by: Victor Stinner <[email protected]>

* gh-157242: Add _PyBytes_ResizeKeepOnError() function (#157243)

Add a new internal _PyBytes_ResizeKeepOnError() function similar to
_PyBytes_Resize() but leaves the bytes object unchanged on error.

Co-authored-by: Maurycy Pawłowski-Wieroński <[email protected]>
(cherry picked from commit f5dd52d)

* gh-157242: Fix undefined behavior in _PyBytes_ResizeKeepOnError() (#157352)

Fix undefined behavior in _PyBytes_ResizeKeepOnError(): raise
OverflowError on integer overflow.

(cherry picked from commit 63d4398)

* gh-157242: Do not close io.BytesIO on MemoryError (#157344)

Replace _PyBytes_Resize() with _PyBytes_ResizeKeepOnError().

Fix truncate(): on error, restore string_size to its previous value.

(cherry picked from commit 23eda00)

---------

Co-authored-by: Maurycy Pawłowski-Wieroński <[email protected]>