https://gitlab.freedesktop.org/dbus/dbus-python/-/work_items/59
https://src.fedoraproject.org/rpms/dbus-python/blob/rawhide/f/Revert-using-Py_TPFLAGS_MANAGED_WEAKREF.patch

From 32191526f73fa4ac6f760848c354b1353920755e Mon Sep 17 00:00:00 2001
From: Karolina Surma <ksurma@redhat.com>
Date: Wed, 14 Jan 2026 21:45:55 +0100
Subject: [PATCH] Revert using Py_TPFLAGS_MANAGED_WEAKREF

Added in https://gitlab.freedesktop.org/dbus/dbus-python/-/merge_requests/35
The feature is incomplete and doesn't work.
---
 dbus_bindings/conn-internal.h |  2 --
 dbus_bindings/conn.c          | 11 -----------
 dbus_bindings/server.c        | 13 -------------
 3 files changed, 26 deletions(-)

diff --git a/dbus_bindings/conn-internal.h b/dbus_bindings/conn-internal.h
index ae47816..d333d27 100644
--- a/dbus_bindings/conn-internal.h
+++ b/dbus_bindings/conn-internal.h
@@ -42,10 +42,8 @@ typedef struct {
      */
     PyObject *object_paths;
 
-#if !DBUSPY_PY_VERSION_AT_LEAST(3, 12, 0, 0)
     /* Weak-references list to make Connections weakly referenceable */
     PyObject *weaklist;
-#endif
 
     dbus_bool_t has_mainloop;
 } Connection;
diff --git a/dbus_bindings/conn.c b/dbus_bindings/conn.c
index 54efc49..5dd4b5e 100644
--- a/dbus_bindings/conn.c
+++ b/dbus_bindings/conn.c
@@ -238,9 +238,7 @@ DBusPyConnection_NewConsumingDBusConnection(PyTypeObject *cls,
     self->has_mainloop = (mainloop != Py_None);
     self->conn = NULL;
     self->filters = PyList_New(0);
-#if !DBUSPY_PY_VERSION_AT_LEAST(3, 12, 0, 0)
     self->weaklist = NULL;
-#endif
     if (!self->filters) goto err;
     self->object_paths = PyDict_New();
     if (!self->object_paths) goto err;
@@ -394,9 +392,7 @@ static void Connection_tp_dealloc(Connection *self)
     /* avoid clobbering any pending exception */
     PyErr_Fetch(&et, &ev, &etb);
 
-#if !DBUSPY_PY_VERSION_AT_LEAST(3, 12, 0, 0)
     if (self->weaklist)
-#endif
     {
         PyObject_ClearWeakRefs((PyObject *)self);
     }
@@ -460,19 +456,12 @@ PyTypeObject DBusPyConnection_Type = {
     0,                      /*tp_getattro*/
     0,                      /*tp_setattro*/
     0,                      /*tp_as_buffer*/
-#if DBUSPY_PY_VERSION_AT_LEAST(3, 12, 0, 0)
-    Py_TPFLAGS_MANAGED_WEAKREF |
-#endif
     Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,
     Connection_tp_doc,      /*tp_doc*/
     0,                      /*tp_traverse*/
     0,                      /*tp_clear*/
     0,                      /*tp_richcompare*/
-#if DBUSPY_PY_VERSION_AT_LEAST(3, 12, 0, 0)
-    0,                      /*tp_weaklistoffset*/
-#else
     offsetof(Connection, weaklist),   /*tp_weaklistoffset*/
-#endif
     0,                      /*tp_iter*/
     0,                      /*tp_iternext*/
     DBusPyConnection_tp_methods,  /*tp_methods*/
diff --git a/dbus_bindings/server.c b/dbus_bindings/server.c
index d250a1d..9382fe6 100644
--- a/dbus_bindings/server.c
+++ b/dbus_bindings/server.c
@@ -38,10 +38,8 @@ typedef struct {
     /* The Connection subtype for which this Server is a factory */
     PyObject *conn_class;
 
-#if !DBUSPY_PY_VERSION_AT_LEAST(3, 12, 0, 0)
     /* Weak-references list to make server weakly referenceable */
     PyObject *weaklist;
-#endif
 
     PyObject *mainloop;
 } Server;
@@ -425,9 +423,7 @@ Server_tp_new(PyTypeObject *cls, PyObject *args, PyObject *kwargs)
         return NULL;
     }
 
-#if !DBUSPY_PY_VERSION_AT_LEAST(3, 12, 0, 0)
     ((Server *)self)->weaklist = NULL;
-#endif
     TRACE(self);
 
     return self;
@@ -442,9 +438,7 @@ static void Server_tp_dealloc(Server *self)
     /* avoid clobbering any pending exception */
     PyErr_Fetch(&et, &ev, &etb);
 
-#if !DBUSPY_PY_VERSION_AT_LEAST(3, 12, 0, 0)
     if (self->weaklist)
-#endif
     {
         PyObject_ClearWeakRefs((PyObject *)self);
     }
@@ -577,19 +571,12 @@ PyTypeObject DBusPyServer_Type = {
     0,                      /*tp_getattro*/
     0,                      /*tp_setattro*/
     0,                      /*tp_as_buffer*/
-#if DBUSPY_PY_VERSION_AT_LEAST(3, 12, 0, 0)
-    Py_TPFLAGS_MANAGED_WEAKREF |
-#endif
     Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,
     Server_tp_doc,          /*tp_doc*/
     0,                      /*tp_traverse*/
     0,                      /*tp_clear*/
     0,                      /*tp_richcompare*/
-#if DBUSPY_PY_VERSION_AT_LEAST(3, 12, 0, 0)
-    0,                      /*tp_weaklistoffset*/
-#else
     offsetof(Server, weaklist),   /*tp_weaklistoffset*/
-#endif
     0,                      /*tp_iter*/
     0,                      /*tp_iternext*/
     DBusPyServer_tp_methods,/*tp_methods*/
-- 
2.52.0