MacOS自动更换桌面壁纸

import os
import requests
import subprocess
from datetime import datetime
import logging
import glob

# 设置保存壁纸的文件夹路径，请修改为你的路径
WALLPAPER_DIR = "/Users/your_username/Pictures/Wallpapers"
# 必应随机壁纸 API
WALLPAPER_URL = "https://bing.ee123.net/img/rand?size=UHD"

# 设置日志
logging.basicConfig(
    filename=f"/Users/your_username/wallpaper_change_{datetime.now().strftime('%Y%m')}.log",
    level=logging.INFO,
    format="%(asctime)s - %(levelname)s - %(message)s"
)

def clear_old_wallpapers():
    """删除壁纸文件夹中的旧壁纸文件"""
    try:
        wallpaper_files = glob.glob(os.path.join(WALLPAPER_DIR, "wallpaper_*.jpg"))
        for file in wallpaper_files:
            os.remove(file)
            logging.info(f"已删除旧壁纸: {file}")
    except Exception as e:
        logging.error(f"删除旧壁纸失败: {str(e)}")

def download_wallpaper():
    """从必应下载随机壁纸并保存到本地"""
    try:
        # 创建壁纸文件夹（如果不存在）
        os.makedirs(WALLPAPER_DIR, exist_ok=True)

        # 获取当前时间作为文件名
        time_str = datetime.now().strftime("%Y%m%d_%H%M%S")
        wallpaper_path = os.path.join(WALLPAPER_DIR, f"wallpaper_{time_str}.jpg")

        # 下载图片
        response = requests.get(WALLPAPER_URL, stream=True)
        if response.status_code == 200:
            with open(wallpaper_path, 'wb') as f:
                for chunk in response.iter_content(1024):
                    f.write(chunk)
            logging.info(f"壁纸下载成功: {wallpaper_path}")
            return wallpaper_path
        else:
            logging.error(f"下载壁纸失败，状态码: {response.status_code}")
            return None
    except Exception as e:
        logging.error(f"下载壁纸时出错: {str(e)}")
        return None

def change_wallpaper():
    """更改桌面壁纸"""
    # 先清理旧壁纸
    clear_old_wallpapers()

    # 下载新壁纸
    wallpaper_path = download_wallpaper()

    if not wallpaper_path or not os.path.exists(wallpaper_path):
        logging.error("没有可用的壁纸文件")
        return

    try:
        # 修正后的 AppleScript，兼容多显示器和最新 macOS
        script = f"""
          tell application "System Events"
            tell every desktop
              set picture to "{wallpaper_path}"
            end tell
          end tell
        """
        result = subprocess.run(['osascript', '-e', script], capture_output=True, text=True, check=True)
        logging.info(f"壁纸已更改为: {wallpaper_path}")
        logging.debug(f"AppleScript 输出: {result.stdout}")
    except subprocess.CalledProcessError as e:
        logging.error(f"更改壁纸失败: {str(e)}")
        logging.error(f"AppleScript 错误输出: {e.stderr}")
    except Exception as e:
        logging.error(f"更改壁纸时发生未知错误: {str(e)}")

if __name__ == "__main__":
    change_wallpaper()