import os

import sys

import time

from watchdog.observers import Observer

from watchdog.events import PatternMatchingEventHandler

class koanHandler(PatternMatchingEventHandler):

"""A simple pattern event for .py files"""

patterns = ["*.py"]

def process(self,event):

os.system("python contemplate_koans.py")

def on_modified(self,event):

self.process(event)

def on_created(self,event):

self.process(event)

if __name__ == '__main__':

args = sys.argv[1:]

observer = Observer()

observer.schedule(koanHandler(), path=args[0] if args else '.',recursive=True)

observer.start()

try:

while True:

time.sleep(1)

except KeyboardInterrupt:

observer.stop()

observer.join()