File project.diff of Package piper

--- piper.spec.orig
+++ piper.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package piper
 #
-# Copyright (c) 2025 SUSE LLC
+# Copyright (c) 2025 SUSE LLC and contributors
 # Copyright (c) 2019 Matthias Bach <marix@marix.org>.
 #
 # All modifications and additions to the file contributed by third parties
@@ -17,6 +17,10 @@
 #
 
 
+%if 0%{suse_version} == 1500
+%global primary_python python3
+%endif
+
 Name:           piper
 Version:        0.8
 Release:        0
@@ -28,25 +32,27 @@ Source0:        %{name}-%{version}.tar.x
 Source1:        README.SUSE
 Patch1:         shebang-env.patch
 Patch2:         use-python-3.6.patch
+BuildRequires:  %{primary_python}-cairo
+BuildRequires:  %{primary_python}-evdev
+BuildRequires:  %{primary_python}-flake8
+BuildRequires:  %{primary_python}-gobject-devel
+BuildRequires:  %{primary_python}-lxml
 BuildRequires:  AppStream
 BuildRequires:  fdupes
 BuildRequires:  gtk3-tools
 BuildRequires:  meson
 BuildRequires:  pkgconfig
 BuildRequires:  python-rpm-macros
-BuildRequires:  python3-cairo
-BuildRequires:  python3-evdev
-BuildRequires:  python3-flake8
-BuildRequires:  python3-gobject-devel
-BuildRequires:  python3-lxml
 BuildRequires:  ratbagd >= 0.18
 BuildRequires:  update-desktop-files
-Requires:       python3-cairo
-Requires:       python3-evdev
-Requires:       python3-gobject
-Requires:       python3-gobject-Gdk
-Requires:       python3-lxml
+Requires:       %{primary_python}-cairo
+Requires:       %{primary_python}-evdev
+Requires:       %{primary_python}-gobject
+Requires:       %{primary_python}-gobject-Gdk
+Requires:       %{primary_python}-lxml
+BuildRequires:  typelib-1_0-Gtk-3_0
 Requires:       ratbagd >= 0.18
+Requires:       typelib-1_0-Gtk-3_0
 BuildArch:      noarch
 
 %description
@@ -72,7 +78,7 @@ PATH="${PATH}:%{_sbindir}" %meson
 %install
 %meson_install
 %fdupes %{buildroot}/%{_prefix}
-%suse_update_desktop_file -r org.freedesktop.Piper Settings HardwareSettings
+#suse_update_desktop_file -r org.freedesktop.Piper Settings HardwareSettings
 %find_lang %{name}
 
 %files -f %{name}.lang