Adds ability to go up a directory by pressing Backspace button in nautilus. This will work with the new Nautilus 43/Gnome 43/Gtk4

BackspaceBack.py

# Nautilus Backspace Back Extension
#
# Place me in ~/.local/share/nautilus-python/extensions/,
# ensure you have python-nautilus package, restrart Nautilus, and enjoy :)
#
# This script was written by molaeiali and is released to the public domain

import os, gi
gi.require_version('Nautilus', '4.0')
from gi.repository import GObject, Nautilus, Gtk, Gio, GLib

def back():
                app = Gtk.Application.get_default()
                if not app.get_actions_for_accel("BackSpace"):
                        app.set_accels_for_action( "win.up", ["BackSpace"] )


class BackspaceBack(GObject.GObject, Nautilus.InfoProvider):
                def __init__(self):
                        pass

                def update_file_info(self, file):
                        back()
                        return None

Big thanks for this :-)

Big thanks Brother

Hi bro, i've using this for long, there is an update now in gnome 48
app.set_accels_for_action( "win.up", ["BackSpace"] ) from this code update slot.up instead of win-up

@molaeiali Thanks for sharing your script!
Here’s the updated version that’s compatible with both GNOME 48 and GNOME 49.

#!/usr/bin/env python

import gi
gi.require_version('Gtk', '4.0')
from gi.repository import GObject, Nautilus, Gtk


class BackspaceBack(GObject.GObject, Nautilus.MenuProvider):
    def __init__(self):
        super().__init__()

    def get_file_items(self, *args):
        app = Gtk.Application.get_default()
        if not app.get_actions_for_accel("BackSpace"):
            app.set_accels_for_action("slot.back", ["BackSpace"])
        return None