"""CardConnectionObserver interface.
CardConnectionObserver is a base class for objects that are to be notified
upon CardConnection events.
__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 smartcard.util import toHexString
from smartcard.Observer import Observer
# ReaderObserver interface
class CardConnectionObserver( Observer ):
"""
CardConnectionObserver is a base class for objects that are to be notified
upon CardConnection events.
"""
def update( self, cardconnection, cardconnectionevent ):
"""Called upon CardConnection event.
cardconnection: the observed card connection object
cardconnectionevent: the CardConnectionEvent sent by the connection
"""
pass
class ConsoleCardConnectionObserver( CardConnectionObserver ):
def update( self, cardconnection, ccevent ):
if 'connect'==ccevent.type:
print 'connecting to ' + cardconnection.getReader()
elif 'disconnect'==ccevent.type:
print 'disconnecting from ' + cardconnection.getReader()
elif 'command'==ccevent.type:
print '> ', toHexString( ccevent.args[0] )
elif 'response'==ccevent.type:
if []==ccevent.args[0]:
print '< [] ', "%-2X %-2X" % tuple(ccevent.args[-2:])
else:
print '< ', toHexString(ccevent.args[0]), "%-2X %-2X" % tuple(ccevent.args[-2:])
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