python watch directory for new files

1
2import time
3from watchdog.observers import Observer
4from watchdog.events import FileSystemEventHandler
5
6
7class Watcher:
8    DIRECTORY_TO_WATCH = "/path/to/my/directory"
9
10    def __init__(self):
11        self.observer = Observer()
12
13    def run(self):
14        event_handler = Handler()
15        self.observer.schedule(event_handler, self.DIRECTORY_TO_WATCH, recursive=True)
16        self.observer.start()
17        try:
18            while True:
19                time.sleep(5)
20        except:
21            self.observer.stop()
22            print "Error"
23
24        self.observer.join()
25
26
27class Handler(FileSystemEventHandler):
28
29    @staticmethod
30    def on_any_event(event):
31        if event.is_directory:
32            return None
33
34        elif event.event_type == 'created':
35            # Take any action here when a file is first created.
36            print "Received created event - %s." % event.src_path
37
38        elif event.event_type == 'modified':
39            # Taken any action here when a file is modified.
40            print "Received modified event - %s." % event.src_path
41
42
43if __name__ == '__main__':
44    w = Watcher()
45    w.run()
46
47