Snipaste截图元数据管理：利用EXIF与自定义信息实现资产溯源

import os
import time
from watchdog.observers import Observer
from watchdog.events import FileSystemEventHandler
import subprocess

class ScreenshotHandler(FileSystemEventHandler):
    def on_created(self, event):
        if not event.is_directory and event.src_path.lower().endswith(('.png', '.jpg', '.jpeg')):
            time.sleep(0.5) # 等待文件完全写入
            file_path = event.src_path
            # 构建ExifTool命令
            # 假设我们从环境变量或配置中获取作者和项目信息
            artist = os.getenv('USERNAME', 'DefaultUser')
            project = "ProjectAlpha"
            description = f"Screenshot from {project} captured by {artist}"
            
            exif_cmd = [
                'exiftool',
                f'-Artist={artist}',
                f'-Software=Snipaste v2.8',
                f'-ImageDescription={description}',
                '-overwrite_original', # 直接修改原文件，不生成备份
                file_path
            ]
            try:
                subprocess.run(exif_cmd, check=True, capture_output=True)
                print(f"Metadata injected for: {file_path}")
                # 后续可添加移动文件到归档目录的代码
            except subprocess.CalledProcessError as e:
                print(f"Failed to process {file_path}: {e.stderr}")

if __name__ == "__main__":
    watch_folder = r"D:\Screenshots\Inbox"
    event_handler = ScreenshotHandler()
    observer = Observer()
    observer.schedule(event_handler, watch_folder, recursive=False)
    observer.start()
    try:
        while True:
            time.sleep(1)
    except KeyboardInterrupt:
        observer.stop()
    observer.join()