#!/usr/bin/python
import gobject
import gio
import os
import time
import string
import commands

    
def file_changed (monitor, file, unknown, event):
    
    if event == gio.FILE_MONITOR_EVENT_CHANGES_DONE_HINT:
        print "file finished changing"
        monitor.vez = monitor.vez + 1
        if monitor.vez == 2:
            monitor.disconnect(monitor.id)
            monitor.cancel()
            loop.quit()
            del monitor
            del file
            time.sleep(1)
            os.system('rmmod ohci_hcd')
            time.sleep(0.1)
            os.system('modprobe ohci_hcd')
            lpstatus = commands.getoutput('lpstat -t')
            if string.find(lpstatus, 'Processing page') == -1:
                pass
            else:
                os.system('/etc/rc.d/cups stop')
                time.sleep(2)
                os.system('/etc/rc.d/cups start')
            print 'module recarregad'
            
            
for iten in range(1000):
    while os.listdir('/dev/bus/usb').__contains__('002') == False:
        time.sleep(0.1)
    while len(os.listdir('/dev/bus/usb/002')) <= 1:
        time.sleep(0.1)
    lista = os.listdir('/dev/bus/usb/002')
    lista.remove('001')
    file = gio.File('/dev/bus/usb/002/%s' % lista[0])
    monitor = file.monitor_file ()
    monitor.vez = 0
    monitor.id = monitor.connect ("changed", file_changed)
    loop = gobject.MainLoop()
    loop.run()