gistfile1.py

# Simple script which runs code when a file is modified
#
# You will have to install pyinotify
#
# Run with the directory to watch
# eg. python autobuild.py ./
# currently hardcoded to use 
#
# (c) 2009, Nikhil Marathe <nsm.nikhil@gmail.com>
# Licensed under the MIT License

import sys
import os
import subprocess
import re
from pyinotify import WatchManager, Notifier, ProcessEvent, IN_MODIFY

wm = WatchManager()

class Compile( ProcessEvent ):
    def process_IN_MODIFY( self, event ):
        print event.path, event.name, event.mask & IN_MODIFY
        # put custom code here


c = Compile()
notifier = Notifier( wm, c )
wm.add_watch( sys.argv[1], IN_MODIFY, rec=True )

notifier.loop()