random-wallpaper-gnome/change-wallpaper.py

#!/usr/bin/python

import os
import random
import sys

if len(sys.argv) < 2 or sys.argv[1] == "":
    print("Please specify a directory")
    sys.exit()
    
# Specify the directory
directory_path = sys.argv[1] 

def pick_random_file(directory):
    # List all files in the specified directory
    files = [f for f in os.listdir(directory) if os.path.isfile(os.path.join(directory, f))]

    # Check if the directory is empty
    if not files:
        return None

    # Pick a random file from the list
    random_file = random.choice(files)

    # Return the full path of the randomly picked file
    return os.path.join(directory, random_file)

# Pick a random file
random_file_path = pick_random_file(directory_path)

if "blue" in random_file_path:
    accent_color = "blue"
elif "teal" in random_file_path:
    accent_color = "teal"
elif "green" in random_file_path:
    accent_color = "green"
elif "yellow" in random_file_path:
    accent_color = "yellow"
elif "orange" in random_file_path:
    accent_color = "orange"
elif "red" in random_file_path:
    accent_color = "red" 
elif "pink" in random_file_path:
    accent_color = "pink"
elif "purple" in random_file_path:
    accent_color = "purple"
else:
    accent_color = "slate"

print(f'INFO: Using background picture {random_file_path}')
print(f'INFO: Using accent color {accent_color}')

os.system(f'gsettings set org.gnome.desktop.background picture-uri "file://{random_file_path}"')
os.system(f'gsettings set org.gnome.desktop.background picture-uri-dark "file://{random_file_path}"')
os.system(f'gsettings set org.gnome.desktop.interface accent-color {accent_color}')