Notify with python

#!/usr/bin/python

import AppKit
import Foundation
def notify(title, subtitle, info_text, sound=False, appImage=None, contentImage=None, delay=0):
    notification = Foundation.NSUserNotification.alloc().init()
    notification.setTitle_(title)
    notification.setSubtitle_(subtitle)
    notification.setInformativeText_(info_text)
    if appImage:
       source_img = AppKit.NSImage.alloc().initByReferencingFile_(appImage)
       notification.set_identityImage_(source_img)
    if contentImage:
       source_img = AppKit.NSImage.alloc().initByReferencingFile_(contentImage)
       notification.setContentImage_(source_img)
    if sound:
       notification.setSoundName_("NSUserNotificationDefaultSoundName")
    notification.setDeliveryDate_(Foundation.NSDate.dateWithTimeInterval_sinceDate_(delay, Foundation.NSDate.date()))
    Foundation.NSUserNotificationCenter.defaultUserNotificationCenter().scheduleNotification_(notification)

notify("Macbrained.org", "Python for the Bash Scripter", "Notify!", True )