WatchDogModified

import time
from watchdog.observers import Observer
from watchdog.events import FileSystemEventHandler
import sys
import subprocess
import os
old = 0
mainPath = os.getcwd()
class Watcher:
    DIRECTORY_TO_WATCH = sys.argv[1]
    def __init__(self):
        self.observer = Observer()

    def run(self):
        event_handler = Handler()
        self.observer.schedule(event_handler, self.DIRECTORY_TO_WATCH, recursive=True)
        self.observer.start()
        try:
            while True:
                time.sleep(5)
        except:
            self.observer.stop()
            print("Error")

        self.observer.join()


class Handler(FileSystemEventHandler):

    @staticmethod
    def on_any_event(event):
        global old
        if event.is_directory:
            return None

        elif event.event_type == 'created':
            # Take any action here when a file is first created.
            print("Received created event - %s." % event.src_path)


        elif event.event_type == 'modified':
            statbuf = os.stat(filename)
            new = statbuf.st_mtime
            print(str(new) + " is new")
            print(str(old) + " is old")
            if (new - old) > 0.5:
                print("Received modified event - %s." % event.src_path)
                # Do any action here.
            old = new


if __name__ == '__main__':
    w = Watcher()
    w.run()