#https://gist.github.com/kaikkitietokoneista/c1bb458f83fa319cdab8432ec99c521b
import urllib.request, json, os, ctypes

key = "<your_apod_api_key>"
bg_path = "<path_to_your_backgrounds_folder>"

with urllib.request.urlopen("https://api.nasa.gov/planetary/apod?api_key=" + key) as url:
    data = json.loads(url.read().decode())
    file = os.path.basename(data["hdurl"])
    save_path = bg_path + file
    urllib.request.urlretrieve(data["hdurl"], save_path)
    ctypes.windll.user32.SystemParametersInfoW(20, 0, save_path , 0)