doc/examples/patterns.py

import sys
import time
import watchdog
import watchdog.events

import logging 
logging.basicConfig(level=logging.DEBUG)

class MyEventHandler(watchdog.events.PatternMatchingEventHandler):
    def on_any_event(self, event):
        logging.debug(event)


event_handler = MyEventHandler(patterns=['*.py', '*.pyc'], 
                                ignore_patterns=['version.py'], 
                                ignore_directories=True)
observer = watchdog.Observer()
observer.schedule('a-unique-name', event_handler, *sys.argv[1:])
observer.start()
try:
    while True:
        time.sleep(1)
except KeyboardInterrupt:
    observer.unschedule('a-unique-name')
    observer.stop()
observer.join()