bing-wallpaper/bingUpdateWallpaper

#!/bin/python

from time import sleep
import argparse
import os
import shutil
import certifi
import urllib3
import anyjson

class BingWallpaperChanger:
    def __init__(self, saveDir, wallpaperCmd, locale):
        self.saveDir = saveDir
        self.savePath = saveDir +"/wallpaper"
        self.wallpaperCmd = wallpaperCmd.replace("$PATH", self.savePath)
        self.locale = locale
        self.lastUrl = None
        self.http = urllib3.PoolManager(
            cert_reqs='CERT_REQUIRED',
            ca_certs=certifi.where())

    def setWallpaper(self):
        print("Setting new wallpaper")
        os.system(self.wallpaperCmd)

    def updateLatest(self):
        jsonReq = self.http.request('GET', 'https://www.bing.com/HPImageArchive.aspx?format=js&idx=0&n=1&mkt=' +self.locale, retries=False)
        if jsonReq.status != 200:
            print("bing.com not responding")
            return None
        json = anyjson.deserialize(jsonReq.data.decode("utf-8"))

        for img in json["images"]:
            if img["url"] != self.lastUrl:
                try:
                    os.makedirs(self.savePath)
                except FileExistsError:
                    pass
                with self.http.request('GET', "https://www.bing.com/" +img["url"], preload_content=False, retries=False) as r, open(self.savePath, 'wb') as outFile:
                    shutil.copyfileobj(r, outFile)
                    self.lastUrl = img["url"]
                    return True
            return None
        return False

    def run(self, delay):
        while True:
            updated = None
            try:
                updated = self.updateLatest()
            except urllib3.exceptions.NewConnectionError:
                pass
            if updated == True:
                self.setWallpaper()
            if updated == None:
                sleep(30) # Network error
            else:
                sleep(delay)

if __name__ == '__main__':
    parser = argparse.ArgumentParser()
    parser.add_argument("--delay", default=30)
    parser.add_argument("--saveDir", default=os.environ["HOME"] +"/.local/share/bing")
    parser.add_argument("--country", default="en-US")
    parser.add_argument("--wallpaperCmd", default="gsettings set org.gnome.desktop.background picture-uri file://$PATH")
    args = parser.parse_args()

    wallpaperChanger = BingWallpaperChanger(args.saveDir, args.wallpaperCmd, args.country)
    wallpaperChanger.run(int(args.delay) * 60)