GTK Python-GUI in Raspberry Pi 5

OS image:

Debian GNU/Linux 12 (bookworm) aarch64
Linux raspberrypi 6.6.62+rpt-rpi-2712 SMP PREEMPT Debian 1:6.6.62-1+rpt1 (2024-11-25)

Ref:

1. https://www.gtk.org/docs/language-bindings/python/
2. https://pygobject.gnome.org/getting_started.html#ubuntu-getting-started
3. https://python-gtk-3-tutorial.readthedocs.io/en/latest/

Setup:

sudo apt update
sudo apt install libopenblas-dev libblas-dev m4 cmake python3-dev python3-yaml python3-setuptools
sudo apt install python3-gi python3-gi-cairo gir1.2-gtk-4.0
sudo apt install at-spi2-core

sudo rm /usr/lib/python3.*/EXTERNALLY-MANAGED

sudo pip install cython

First Run:

Create new pyscript and,

import gi
gi.require_version("Gtk", "4.0")
from gi.repository import Gtk
def on_activate(app):
    win = Gtk.ApplicationWindow(application=app)
    btn = Gtk.Button(label="Hello, World!")
    btn.connect('clicked', lambda x: win.close())
    win.set_child(btn)
    win.present()
app = Gtk.Application(application_id='org.gtk.Example')
app.connect('activate', on_activate)
app.run(None)