A nautilus extension to open kitty in the current directory, instead of gnome-terminal.

open-kitty.py

"""
English version.

In Ubuntu 20.04 do this for installation:
    1. Put this file on  ~/.local/share/nautilus-python/extensions/open-kitty.py
    2. Install python-nautilus: sudo apt install python-nautilus
    3. Install gconf: sudo apt install gir1.2-gconf-2.0
    4. Restart nautilus: nautilus -q
    
Enjoy!
"""
import os
try:
    from urllib import unquote
except ImportError:
    from urllib.parse import unquote
import gi
gi.require_version('Nautilus', '3.0')
gi.require_version('GConf', '2.0')
from gi.repository import Nautilus, GObject, GConf


class OpenTerminalExtension(Nautilus.MenuProvider, GObject.GObject):
    def __init__(self):
        self.client = GConf.Client.get_default()
        
    def _open_terminal(self, file):
        filename = unquote(file.get_uri()[7:])

        os.chdir(filename)
        os.system('kitty --detach')
        
    def menu_activate_cb(self, menu, file):
        self._open_terminal(file)
        
    def menu_background_activate_cb(self, menu, file): 
        self._open_terminal(file)
       
    def get_file_items(self, window, files):
        if len(files) != 1:
            return
        
        file = files[0]
        if not file.is_directory() or file.get_uri_scheme() != 'file':
            return
      
        item = Nautilus.MenuItem(name='KittyTerminal::open_terminal_for_dir',
                                label='Open Kitty Here' , # 'To translate, change language here and...'
                                tip='Open kitty in %s' % file.get_name()) # 'Open a terminal in %s'
        item.connect('activate', self.menu_activate_cb, file)
        return item,

    def get_background_items(self, window, file):
        item = Nautilus.MenuItem(name='KittyTerminal::open_terminal_current_dir',
                                label='Open Kitty Here' , # '...change language here'
                                tip='Open kitty in %s' % file.get_name()) # 'Open a terminal in %s'
        item.connect('activate', self.menu_background_activate_cb, file)
        return item,