Your message dated Wed, 5 Nov 2025 12:42:17 +0000
with message-id <[email protected]>
and subject line Re: Bug#1117897: pygobject FTBFS with Python 3.14:
TestReferences AssertionErrors
has caused the Debian Bug report #1117897,
regarding pygobject FTBFS with Python 3.14: TestReferences AssertionErrors
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1117897: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1117897
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--- Begin Message ---
Source: pygobject
Version: 3.50.0-7
Severity: normal
Tags: ftbfs patch upstream
User: [email protected]
Usertags: python3.14
Forwarded: https://gitlab.gnome.org/GNOME/pygobject/-/merge_requests/433
Python 3.14 is upon us, and we would like to enable it as a supported
version in Debian.
pygobject fails to build with Python 3.14 as an available version.
Graham Inggs did a test rebuild in Ubuntu and found this build failure.
These can be reproduced in Debian by installing python3-all from
experimental (but you may need to rebuild some dependencies by hand,
first).
I think it has been fixed in a new upstream version, but that needs to
be checked. At least this MR looks like it should resolve the issue:
https://gitlab.gnome.org/GNOME/pygobject/-/merge_requests/433
Build log:
https://launchpadlibrarian.net/823264865/buildlog_ubuntu-questing-amd64.pygobject_3.50.0-7build1_BUILDING.txt.gz
Errors:
=================================== FAILURES ===================================
______________________ TestReferences.test_iteration_refs ______________________
self = <tests.test_generictreemodel.TestReferences
testMethod=test_iteration_refs>
def test_iteration_refs(self):
# Pull iterators off the model using the wrapped C API which will
# then call back into the python overrides.
model = ATesterModel()
nodes = [node for node in model.iter_depth_first()]
values = [node.value for node in nodes]
# Verify depth first ordering
self.assertEqual(values, [0, 1, 2, 3, 4])
# Verify ref counts for each of the nodes.
# 5 refs for each node at this point:
# 1 - ref held in getrefcount function
# 2 - ref held by "node" var during iteration
# 3 - ref held by local "nodes" var
# 4 - ref held by the root/children graph itself
# 5 - ref held by the model "held_refs" instance var
for node in nodes:
if hasattr(sys, "getrefcount"):
> self.assertEqual(sys.getrefcount(node), 5)
E AssertionError: 4 != 5
tests/test_generictreemodel.py:258: AssertionError
__________ TestPythonReferenceCounting.test_new_instance_has_two_refs __________
self = <tests.test_gobject.TestPythonReferenceCounting
testMethod=test_new_instance_has_two_refs>
def test_new_instance_has_two_refs(self):
obj = GObject.GObject()
if hasattr(sys, "getrefcount"):
> self.assertEqual(sys.getrefcount(obj), 2)
E AssertionError: 1 != 2
tests/test_gobject.py:317: AssertionError
_ TestPythonReferenceCounting.test_new_instance_has_two_refs_using_gobject_new _
self = <tests.test_gobject.TestPythonReferenceCounting
testMethod=test_new_instance_has_two_refs_using_gobject_new>
def test_new_instance_has_two_refs_using_gobject_new(self):
obj = GObject.new(GObject.GObject)
if hasattr(sys, "getrefcount"):
> self.assertEqual(sys.getrefcount(obj), 2)
E AssertionError: 1 != 2
tests/test_gobject.py:322: AssertionError
_____ TestPythonReferenceCounting.test_new_subclass_instance_has_two_refs ______
self = <tests.test_gobject.TestPythonReferenceCounting
testMethod=test_new_subclass_instance_has_two_refs>
def test_new_subclass_instance_has_two_refs(self):
obj = A()
if hasattr(sys, "getrefcount"):
> self.assertEqual(sys.getrefcount(obj), 2)
E AssertionError: 1 != 2
tests/test_gobject.py:327: AssertionError
_
TestPythonReferenceCounting.test_new_subclass_instance_has_two_refs_using_gobject_new
_
self = <tests.test_gobject.TestPythonReferenceCounting
testMethod=test_new_subclass_instance_has_two_refs_using_gobject_new>
def test_new_subclass_instance_has_two_refs_using_gobject_new(self):
obj = GObject.new(A)
if hasattr(sys, "getrefcount"):
> self.assertEqual(sys.getrefcount(obj), 2)
E AssertionError: 1 != 2
tests/test_gobject.py:332: AssertionError
____________ TestVFuncsWithObjectArg.test_vfunc_self_arg_ref_count _____________
self = <tests.test_object_marshaling.TestVFuncsWithObjectArg
testMethod=test_vfunc_self_arg_ref_count>
def test_vfunc_self_arg_ref_count(self):
# Check to make sure vfunc "self" arguments don't leak.
vfuncs = self.VFuncs()
vfuncs_ref = weakref.ref(vfuncs)
vfuncs.get_ref_info_for_vfunc_return_object_transfer_full() # Use any
vfunc to test this.
gc.collect()
if hasattr(sys, "getrefcount"):
> self.assertEqual(sys.getrefcount(vfuncs), 2)
E AssertionError: 1 != 2
tests/test_object_marshaling.py:112: AssertionError
_____________ TestCPropsAccessor.test_held_object_ref_count_setter _____________
self = <tests.test_properties.TestCPropsAccessor
testMethod=test_held_object_ref_count_setter>
def test_held_object_ref_count_setter(self):
holder = GIMarshallingTests.PropertiesObject()
held = GObject.Object()
self.assertEqual(holder.__grefcount__, 1)
self.assertEqual(held.__grefcount__, 1)
# Setting property should only increase ref count by 1
self.set_prop(holder, 'some-object', held)
self.assertEqual(holder.__grefcount__, 1)
> self.assertEqual(held.__grefcount__, 2)
E AssertionError: 3 != 2
tests/test_properties.py:1312: AssertionError
___________ TestRefCountsNonIntrospected.test_callback_ref_count_del ___________
self = <tests.test_signal.TestRefCountsNonIntrospected
testMethod=test_callback_ref_count_del>
@unittest.skipUnless(hasattr(sys, "getrefcount"), "no sys.getrefcount")
def test_callback_ref_count_del(self):
def callback(obj, value):
return value // 2
callback_ref = weakref.ref(callback)
> self.assertEqual(sys.getrefcount(callback), 2)
E AssertionError: 1 != 2
tests/test_signal.py:1418: AssertionError
_______ TestRefCountsNonIntrospected.test_callback_ref_count_disconnect ________
self = <tests.test_signal.TestRefCountsNonIntrospected
testMethod=test_callback_ref_count_disconnect>
@unittest.skipUnless(hasattr(sys, "getrefcount"), "no sys.getrefcount")
def test_callback_ref_count_disconnect(self):
def callback(obj, value):
return value // 2
callback_ref = weakref.ref(callback)
> self.assertEqual(sys.getrefcount(callback), 2)
E AssertionError: 1 != 2
tests/test_signal.py:1440: AssertionError
___ TestRefCountsNonIntrospected.test_callback_ref_count_disconnect_by_func ____
self = <tests.test_signal.TestRefCountsNonIntrospected
testMethod=test_callback_ref_count_disconnect_by_func>
@unittest.skipUnless(hasattr(sys, "getrefcount"), "no sys.getrefcount")
def test_callback_ref_count_disconnect_by_func(self):
def callback(obj, value):
return value // 2
callback_ref = weakref.ref(callback)
> self.assertEqual(sys.getrefcount(callback), 2)
E AssertionError: 1 != 2
tests/test_signal.py:1462: AssertionError
____________ TestRefCountsNonIntrospected.test_user_data_ref_count _____________
self = <tests.test_signal.TestRefCountsNonIntrospected
testMethod=test_user_data_ref_count>
@unittest.skipUnless(hasattr(sys, "getrefcount"), "no sys.getrefcount")
def test_user_data_ref_count(self):
def callback(obj, value, data):
return value // 2
data = self.PyData()
data_ref = weakref.ref(data)
> self.assertEqual(sys.getrefcount(data), 2)
E AssertionError: 1 != 2
tests/test_signal.py:1485: AssertionError
____________ TestRefCountsIntrospected.test_callback_ref_count_del _____________
self = <tests.test_signal.TestRefCountsIntrospected
testMethod=test_callback_ref_count_del>
@unittest.skipUnless(hasattr(sys, "getrefcount"), "no sys.getrefcount")
def test_callback_ref_count_del(self):
def callback(obj, value):
return value // 2
callback_ref = weakref.ref(callback)
> self.assertEqual(sys.getrefcount(callback), 2)
E AssertionError: 1 != 2
tests/test_signal.py:1418: AssertionError
_________ TestRefCountsIntrospected.test_callback_ref_count_disconnect _________
self = <tests.test_signal.TestRefCountsIntrospected
testMethod=test_callback_ref_count_disconnect>
@unittest.skipUnless(hasattr(sys, "getrefcount"), "no sys.getrefcount")
def test_callback_ref_count_disconnect(self):
def callback(obj, value):
return value // 2
callback_ref = weakref.ref(callback)
> self.assertEqual(sys.getrefcount(callback), 2)
E AssertionError: 1 != 2
tests/test_signal.py:1440: AssertionError
_____ TestRefCountsIntrospected.test_callback_ref_count_disconnect_by_func _____
self = <tests.test_signal.TestRefCountsIntrospected
testMethod=test_callback_ref_count_disconnect_by_func>
@unittest.skipUnless(hasattr(sys, "getrefcount"), "no sys.getrefcount")
def test_callback_ref_count_disconnect_by_func(self):
def callback(obj, value):
return value // 2
callback_ref = weakref.ref(callback)
> self.assertEqual(sys.getrefcount(callback), 2)
E AssertionError: 1 != 2
tests/test_signal.py:1462: AssertionError
______________ TestRefCountsIntrospected.test_user_data_ref_count ______________
self = <tests.test_signal.TestRefCountsIntrospected
testMethod=test_user_data_ref_count>
@unittest.skipUnless(hasattr(sys, "getrefcount"), "no sys.getrefcount")
def test_user_data_ref_count(self):
def callback(obj, value, data):
return value // 2
data = self.PyData()
data_ref = weakref.ref(data)
> self.assertEqual(sys.getrefcount(data), 2)
E AssertionError: 1 != 2
tests/test_signal.py:1485: AssertionError
--- End Message ---
--- Begin Message ---
Version: 3.54.3-1
On Sun, 12 Oct 2025 at 11:24:48 +0200, Stefano Rivera wrote:
pygobject fails to build with Python 3.14 as an available version.
I believe this is fixed in unstable now that we have started the pygobject
3.54 transition.
smcv
--- End Message ---
