observer启动多个
时间: 2023-09-23 10:13:07 浏览: 137
可以通过多线程的方式启动多个Observer,每个Observer监听不同的事件源。具体实现可以参考以下代码:
```python
from watchdog.observers import Observer
from watchdog.events import FileSystemEventHandler
import threading
class MyHandler(FileSystemEventHandler):
def on_modified(self, event):
print(f"{event.src_path} has been modified")
if __name__ == "__main__":
event_handler = MyHandler()
observer1 = Observer()
observer1.schedule(event_handler, path="/path/to/directory1", recursive=True)
observer2 = Observer()
observer2.schedule(event_handler, path="/path/to/directory2", recursive=True)
observer1.start()
observer2.start()
try:
while True:
threading.Event().wait(1)
except KeyboardInterrupt:
observer1.stop()
observer2.stop()
observer1.join()
observer2.join()
```
在这个例子中,我们定义了一个继承自FileSystemEventHandler的事件处理类MyHandler,实现了on_modified方法用于处理文件修改事件。然后我们创建了两个Observer对象,分别监听两个不同的目录。最后通过多线程的方式启动了两个Observer。注意要使用try-except语句以及threading.Event().wait(1)来保证程序能够正常退出。
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