watchdog_gevent_async_filesystem_event_monitoring.py

1import sys
2import time
3import gevent
4from watchdog.events import FileSystemEventHandler
5from watchdog_gevent import GeventObserver as Observer
6
7class MyHandler(FileSystemEventHandler):
8    def on_modified(self, event):
9        print(f"File modified: {event.src_path}")
10
11if __name__ == "__main__":
12    path = sys.argv[1] if len(sys.argv) > 1 else '.'
13    event_handler = MyHandler()
14    observer = Observer()
15    observer.schedule(event_handler, path, recursive=True)
16    observer.start()
17    try:
18        while True:
19            gevent.sleep(1)
20    except KeyboardInterrupt:
21        observer.stop()
22    observer.join()