windows_wallpapers.py

# Created by: Pycharm
# Auther: MoGyver
# Date: 11/25/2018
# Time: 11:49 AM

import ctypes
import os
from datetime import datetime
from PIL import Image

win10_img_path = "%userprofile%\AppData\Local\Packages\Microsoft.Windows.ContentDeliveryManager_cw5n1h2txyewy\LocalState\Assets"
ROOT_DIR = os.path.dirname(os.path.abspath(__file__))
local_images_path = os.path.join(ROOT_DIR, 'windows_images')

'''
def rename_images():
    #img_files = os.listdir(local_images_path)

    for f in os.listdir(local_images_path):
        print('old file name: ', f)
        old_name = os.path.join(local_images_path, f)
        new_name = os.path.join(local_images_path,f) + '.jpg'
        os.rename(old_name, new_name)
        im = Image.open(new_name)
        print(im.size)
'''

def read_sys_images():

    wallpapers = []
    img_system_path = os.path.expandvars(win10_img_path)
    max_create_time = datetime.now().strftime("%Y-%m-%d")

    for i in os.listdir(img_system_path):
        t = os.path.getctime(os.path.join(img_system_path, i))
        if max_create_time == datetime.fromtimestamp(t).strftime('%Y-%m-%d'):
            wallpapers.append(i)
        else:
            continue


    for x in wallpapers:
        z = os.path.join(img_system_path, x)
        im = Image.open(z)
        width, height = im.size
        if width < 1920 or height < 1080:
            continue
        else:
            ready_img = z
            print(ready_img, im.size)  #, datetime.fromtimestamp(max_create_time).strftime('%Y-%m-%d'))

    #find image with large size
    if len(wallpapers) > 1:
        size = 0
        for y in wallpapers:
            img_full_path = os.path.join(img_system_path, y)
            sz = os.path.getsize(img_full_path)
            if size < sz:
                size = sz
                ready_img = y
            else:
                continue

    print('the cadidate image: ', ready_img)

    change_desktop_background(os.path.join(img_system_path, ready_img))
    #print(datetime.now().strftime("%Y-%m-%d"))


def change_desktop_background(image_url):
    SPI_SETDESKWALLPAPER = 20
    ctypes.windll.user32.SystemParametersInfoA(SPI_SETDESKWALLPAPER, 0, image_url, 0)



def main():
    read_sys_images()


if __name__ == "__main__":
    main()