Динамическая смена обоев на MacOS

(*
 allDesktops.workflow

 Set same wallpaper image on all Desktops.

 automator -i full/path/to/wallpaper_img allDesktops.workflow
*)

use framework "Foundation"
use framework "AppKit"
use AppleScript version "2.4" -- Yosemite or later
use scripting additions

property ca : current application
property nil : a reference to missing value

on run {input, parameters}

  set desktopImg to ca's NSString's stringWithString:(POSIX path of (item 1 of input) as text)
  set desktopURL to ca's NSURL's fileURLWithPath:desktopImg

  set nswork to ca's NSWorkspace's sharedWorkspace()
  -- get all detected screens into an array
  set allScreens to ca's NSScreen's screens()

  repeat with ascreen in allScreens
    (nswork's setDesktopImageURL:desktopURL forScreen:ascreen options:nil |error|:0)
  end repeat

  return input
end run

import subprocess
import datetime


# Менять пути до картинок здесь
# Если оставляете те же, и лежать они будут в Pictures/Wallpapers, то
# достаточно заменить имя пользователя
WALLPAPERS = {
    "morning": "/Users/<username>/Pictures/Wallpapers/tropic_island_morning.jpg",
    "day":     "/Users/<username>/Pictures/Wallpapers/tropic_island_day.jpg",
    "evening": "/Users/<username>/Pictures/Wallpapers/tropic_island_evening.jpg",
    "night":   "/Users/<username>/Pictures/Wallpapers/tropic_island_night.jpg",
}

FILENAME = "/Users/<username>/.config/wallpapor/t.txt"

SCRIPT = (
    "automator -i {filename} /Users/<username>/.config/wallpapor/allDesktops.workflow"
)


def datetime_to_part_of_day(time) -> str:
    if datetime.time(0) <= time < datetime.time(6):
        return "night"

    if datetime.time(6) <= time < datetime.time(12):
        return "morning"

    if datetime.time(12) <= time < datetime.time(18):
        return "day"

    return "evening"


def main():
    current_time = datetime.datetime.now()
    day_part = datetime_to_part_of_day(current_time.time())
    choosen_file = WALLPAPERS[day_part]
    result_command = SCRIPT.format(filename=choosen_file)

    print(f"Time is: {current_time.isoformat()}")
    print(f"Now is {day_part}")
    print(f"I would choose {choosen_file}")
    print("Executing:")
    print(result_command)
    subprocess.run(result_command, shell=True)


if __name__ == "__main__":
    main()