#!/usr/bin/env python
     #
     # Copyright 2007 Doug Hellmann.
     #
     #
     #                         All Rights Reserved
     #
     # Permission to use, copy, modify, and distribute this software and
     # its documentation for any purpose and without fee is hereby
     # granted, provided that the above copyright notice appear in all
     # copies and that both that copyright notice and this permission
     # notice appear in supporting documentation, and that the name of Doug
     # Hellmann not be used in advertising or publicity pertaining to
     # distribution of the software without specific, written prior
     # permission.
     #
     # DOUG HELLMANN DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
     # INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN
     # NO EVENT SHALL DOUG HELLMANN BE LIABLE FOR ANY SPECIAL, INDIRECT OR
     # CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
     # OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
     # NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
     # CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
     #
     
     """Basic sched example
     
     """
     
     __version__ = "$Id$"
     #end_pymotw_header
     
     import sched
     import threading
     import time
     
     scheduler = sched.scheduler(time.time, time.sleep)
     
     # Set up a global to be modified by the threads
     counter = 0
     
     def increment_counter(name):
         global counter
         print 'EVENT:', time.time(), name
         counter += 1
         print 'NOW:', counter
     
     print 'START:', time.time()
     e1 = scheduler.enter(2, 1, increment_counter, ('E1',))
     e2 = scheduler.enter(3, 1, increment_counter, ('E2',))
     
     # Start a thread to run the events
     t = threading.Thread(target=scheduler.run)
     t.start()
     
     # Back in the main thread, cancel the first scheduled event.
     scheduler.cancel(e1)
     
     # Wait for the scheduler to finish running in the thread
     t.join()
     
     print 'FINAL:', counter