WebpyTemplatorGaeAutocompiler

from fsevents import Observer
from fsevents import Stream
from datetime import datetime
import subprocess
import os
import time

PROJECT_PATH = '/Users/.../Project/GoogleAppEngine/stackprinter/'
TEMPLATE_COMPILE_PATH = os.path.join(PROJECT_PATH,'web','template.py')
VIEWS_PATH =  os.path.join(PROJECT_PATH,'app','views')

def callback(event):
    if event.name.endswith('.html'):
        subprocess.Popen('python2.5 %s %s %s' % ( TEMPLATE_COMPILE_PATH ,'--compile', VIEWS_PATH) , shell=True)
        print  '%s - %s compiled!' % (datetime.now(), event.name.split('/')[-1])

observer = Observer()
observer.start()
stream = Stream(callback, VIEWS_PATH, file_events=True)
observer.schedule(stream)

while not observer.isAlive():
    time.sleep(0.1)