Python Script To Change Randomly Gnome Wallpaper

autopaper.py

from os import system, listdir
from random import randint


def changeWallpaper(wallpaper_path: str):
    """This function changes the wallpaper of your Gnome desktop
    
    Arg:
        wallpaper_path (str): path of the a folder that contains your wallpaper
        
    """
    # Allowed image extensions
    extensions = ("jpg", "png", "jpeg")
    # Selection of images according to their extension
    wallpaper_images = [image for image in listdir(wallpaper_path) if image.split(".")[-1] in extensions]
    # Random choice of an image
    selected_image = wallpaper_images[randint(0, len(wallpaper_images) - 1)]
    # Apply a new wallpaper
    system("gsettings set org.gnome.desktop.background picture-uri file:///{}".format(wallpaper_path + "/" + selected_image))

changeWallpaper("/your/directory/")