dev-python/pyqt6: enable py3.15

As usual, no tests, so can't be 100% sure that it works right.

Signed-off-by: Ionen Wolkens <ionen@gentoo.org>

dev-python/pyqt6/files/pyqt6-6.11.0-py3.15.patch

@@ -0,0 +1,17 @@
+https://src.fedoraproject.org/rpms/python-pyqt6/blob/rawhide/f/py315.patch
+--- a/qpy/QtCore/qpycore_pyqtslot.cpp
++++ b/qpy/QtCore/qpycore_pyqtslot.cpp
+@@ -24,6 +24,13 @@
+ #include "qpycore_pyqtslot.h"
+ 
+ 
++// PyWeakref_GetObject was removed from headers in Python 3.15 but is still
++// part of the stable ABI. Declare it here for Python 3.15+ compatibility.
++#if PY_VERSION_HEX >= 0x030f0000
++extern "C" PyObject* PyWeakref_GetObject(PyObject *ref);
++#endif
++
++
+ // Create the slot for a callable.
+ PyQtSlot::PyQtSlot(PyObject *callable, bool callable_is_method,
+         const Chimera::Signature *slot_signature)

dev-python/pyqt6/pyqt6-6.11.0.ebuild

@@ -5,7 +5,7 @@ EAPI=8
 
 DISTUTILS_EXT=1
 DISTUTILS_USE_PEP517=sip
-PYTHON_COMPAT=( python3_{12..14} )
+PYTHON_COMPAT=( python3_{12..15} )
 inherit distutils-r1 flag-o-matic multiprocessing pypi qmake-utils
 
 # can work with older Qt depending on the features the ebuild enables,
@@ -100,6 +100,7 @@ BDEPEND="
 
 PATCHES=(
 	"${FILESDIR}"/${PN}-6.11.0-qt6.12.patch
+	"${FILESDIR}"/${PN}-6.11.0-py3.15.patch
 )
 
 src_prepare() {