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[3.14] gh-157649: Check for reference leak in test_cext (#159296) - #159314

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Oct 13, 2026
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test_cext now discovers and calls all "test" functions. On a debug build, it also checks for reference leaks.

Fix a reference leak in test_virtual_object(): use a dealloc function which calls Py_DECREF() on the type, and trigger an explicit garbage collection.

(cherry picked from commit 7952713)

(cherry picked from commit b22a8c9) (cherry picked from commit 8514386)

…#159296)

* pythongh-157649: Check for reference leak in test_cext (python#158227)

test_cext now discovers and calls all "test" functions. On a debug
build, it also checks for reference leaks.

Fix a reference leak in test_virtual_object(): use a dealloc function
which calls Py_DECREF() on the type, and trigger an explicit garbage
collection.

(cherry picked from commit 7952713)

* pythongh-149044: Build test_cext with -Wall -Wextra (python#158867)

(cherry picked from commit b22a8c9)
(cherry picked from commit 8514386)
@vstinner vstinner changed the title [3.15] gh-157649: Check for reference leak in test_cext (#159296) [3.14] gh-157649: Check for reference leak in test_cext (#159296) Oct 13, 2026
Only call PyDateTime_IMPORT once to initialize PyDateTimeAPI.
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!buildbot s390x Fedora Stable PR

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🤖 New build scheduled with the buildbot fleet by @vstinner for commit 2bbb3e3 🤖

Results will be shown at:

https://buildbot.python.org/all/#/grid?branch=refs%2Fpull%2F159314%2Fmerge

The command will test the builders whose names match following regular expression: s390x Fedora Stable PR

The builders matched are:

  • s390x Fedora Stable PR

@vstinner
vstinner enabled auto-merge (squash) October 13, 2026 13:01
@vstinner
vstinner merged commit dd78c51 into python:3.14 Oct 13, 2026
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@vstinner
vstinner deleted the test_cext14 branch October 13, 2026 13:07
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