On Thu, Jan 08, 2026 at 07:45:36AM +0100, László Böszörményi (GCS) wrote: > Hi Colin, > > On Wed, Jan 7, 2026 at 1:33 PM Colin Watson <[email protected]> wrote: > > I see that there seems to be a backported fix for this bug in > > experimental (>= 3.25.4-2). Since this bug has a lot of fallout in many > > packages, are there any current obstacles to getting the fix into > > unstable? > Thanks for reaching out. Please note the details. The bug is not > closed and no plan for a package transition. Reason is, while someone > states the mentioned patch is a fix, it is not. > Upstream has no Python 3.14 support, other distributions either > disregard this (probably they don't run package testing [this happens > to be the issue, so disabling that in the packages might help]) or > simply don't build the Python binding with this version of that - see > the Fedora case [1] for example. >...
This is not what that Fedora change does - the Fedora change disables the (faster) C extension, falling back to the (slower) pure-python code. The patch below does the same for protobuf/unstable, I tested that it fixes the following in unstable: - python3.14 -c 'from google.protobuf.internal import builder as _builder' - building omemo-dr/trixie (omemo-dr/unstable ignores test failures) > Thanks, > Laszlo/GCS > [1] https://src.fedoraproject.org/rpms/protobuf/pull-request/31#request_diff cu Adrian --- protobuf-3.21.12/debian/rules 2024-10-13 13:12:52.000000000 +0300 +++ protobuf-3.21.12/debian/rules 2025-09-29 15:11:47.000000000 +0300 @@ -15,6 +15,10 @@ export DEB_LDFLAGS_MAINT_APPEND = -latomic endif +# faster than the pure-python alternative +# not yet ported to Python 3.14 +#PYTHON_CPP=--cpp_implementation + SONAME=32 API_VERSION=$(SONAME)-0 @@ -59,7 +63,7 @@ # Python3 build cp -rv python python3 set -e; cd python3 && for pv in $(shell py3versions -vr); do \ - $(PYTHON_CROSS_VARS) python$$pv setup.py build --cpp_implementation; \ + $(PYTHON_CROSS_VARS) python$$pv setup.py build ${PYTHON_CPP}; \ done endif @@ -104,7 +108,7 @@ # set -e; \ export LD_LIBRARY_PATH=$(CURDIR)/src/.libs; \ cd python3 && for PYTHON in $(shell py3versions -r); do \ - $$PYTHON setup.py test --cpp_implementation; \ + $$PYTHON setup.py test ${PYTHON_CPP}; \ done endif @@ -131,7 +135,7 @@ # Python3 install set -e; \ cd python3 && for pv in $(shell py3versions -vr); do \ - $(PYTHON_CROSS_VARS) python$$pv setup.py install --cpp_implementation \ + $(PYTHON_CROSS_VARS) python$$pv setup.py install ${PYTHON_CPP} \ --install-layout=deb --no-compile \ --root=$(CURDIR)/debian/python3-protobuf; \ done
