[3.15] gh-155905: Fix error handling in _testcapi helpers (GH-155906) - #156580
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[3.15] gh-155905: Fix error handling in _testcapi helpers (GH-155906)#156580miss-islington wants to merge 1 commit into
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…5906) Py_fopen() sets an exception and returns NULL on error. The pyobject_print*() helpers did not check the result and crashed, and the pymarshal_*() helpers set a second exception on top of it. The pyobject_print*() helpers which take a single argument now use METH_O, and the result of PyUnicode_FromString() is now checked. (cherry picked from commit a175da7) Co-authored-by: Serhiy Storchaka <storchaka@gmail.com> Co-authored-by: Claude Opus 5 (1M context) <noreply@anthropic.com>
This was referenced Aug 29, 2026
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Py_fopen() sets an exception and returns NULL on error. The
pyobject_print*() helpers did not check the result and crashed, and the
pymarshal_*() helpers set a second exception on top of it.
The pyobject_print*() helpers which take a single argument now use
METH_O, and the result of PyUnicode_FromString() is now checked.
(cherry picked from commit a175da7)
Co-authored-by: Serhiy Storchaka storchaka@gmail.com
Co-authored-by: Claude Opus 5 (1M context) noreply@anthropic.com