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"""Smartcard CardRequest.
__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.pcsc.PCSCCardRequest import PCSCCardRequest
class CardRequest:
"""A CardRequest is used for waitForCard() invocations and specifies what
kind of smart card an application is waited for.
"""
def __init__( self, newcardonly=False, readers=None, cardType=None, cardServiceClass=None, timeout=1 ):
"""Construct new CardRequest.
newcardonly: if True, request a new card
default is False, i.e. accepts cards already inserted
readers: the list of readers to consider for requesting a card
default is to consider all readers
cardType: the smartcard.CardType.CardType to wait for; default is
smartcard.CardType.AnyCardType, i.e. the request will
succeed with any card
cardServiceClass: the specific card service class to create and bind to the card
default is to create and bind a smartcard.PassThruCardService
timeout: the time in seconds we are ready to wait for connecting to the
requested card.
default is to wait one second
to wait forever, set timeout to None
"""
self.pcsccardrequest=PCSCCardRequest( newcardonly, readers, cardType, cardServiceClass, timeout )
def getReaders( self ):
"""Returns the list or readers on which to wait for cards."""
return self.pcsccardrequest.getReaders()
def waitforcard( self ):
"""Wait for card insertion and returns a card service."""
return self.pcsccardrequest.waitforcard()
def waitforcardevent( self ):
"""Wait for card insertion or removal."""
return self.pcsccardrequest.waitforcardevent()
if __name__ == '__main__':
"""Small sample illustrating the use of CardRequest.py."""
from smartcard.util import toHexString
print 'Insert a new card within 10 seconds'
cr=CardRequest( timeout=10, newcardonly=True )
cs = cr.waitforcard()
cs.connection.connect()
print cs.connection.getReader(), toHexString(cs.connection.getATR())
cs.connection.disconnect()
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