import json import os import random import sys def run(command,output=False): devNull = ">/dev/null" if output == True: os.system(command) else: os.system(command + devNull) def kill(): ''' back4.sh will output artifacts if run more 2 processes It function read PID in /tmp/back4.sh.pid, and kill process. ''' with open('/tmp/back4.sh.pid','r') as file: for pid in file: run(f'kill {pid}') def configParsing(): pathToConfig = os.path.expanduser('~')+'/.config/wallpyper/config' with open(pathToConfig) as file: contentFile = file.read() config = json.loads(contentFile) return config def setWallPaper(): PATH = configParsing()['path_to_wallpapers'] files = os.listdir(PATH) media = random.choices(files)[0] if media[-4:] != '.gif': run(f"feh --bg-scale {PATH}{media}") else: run(f"back4.sh auto {PATH}{media} & echo $! > /tmp/back4.sh.pid",True) # > tmp/back4.sh.pid write PID for kill()