#! /usr/bin/env python
"""
Sample script that monitors smartcard readers.
__author__ = "http://www.gemalto.com"
Copyright 2001-2010 gemalto
Author: Jean-Daniel Aussel, mailto:jean-daniel.aussel@gemalto.com
This file is part of pyscard.
pyscard is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
pyscard is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with pyscard; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
"""
from sys import stdin,exc_info
from time import sleep
from smartcard.ReaderMonitoring import ReaderMonitor,ReaderObserver
# a simple reader observer that prints added/removed readers
class printobserver( ReaderObserver ):
"""A simple reader observer that is notified
when readers are added/removed from the system and
prints the list of readers
"""
def update( self, observable, (addedreaders, removedreaders) ):
print "Added readers", addedreaders
print "Removed readers", removedreaders
try:
print "Add or remove a smartcard reader to the system."
print "This program will exit in 10 seconds"
print ""
readermonitor = ReaderMonitor()
readerobserver = printobserver()
readermonitor.addObserver( readerobserver )
sleep(10)
# don't forget to remove observer, or the
# monitor will poll forever...
readermonitor.deleteObserver(readerobserver)
import sys
if 'win32'==sys.platform:
print 'press Enter to continue'
sys.stdin.read(1)
except:
print exc_info()[0], ':', exc_info()[1]
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