"""Card class.
__author__ = "gemalto 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.Exceptions import CardConnectionException,NoCardException
from smartcard.reader.Reader import Reader
from smartcard.System import readers
from smartcard.util import toHexString
class Card:
"""Card class."""
def __init__( self, reader, atr ):
"""Card constructor.
reader: reader in which the card is inserted
atr: ATR of the card"""
self.reader=reader
self.atr=atr
def __repr__( self ):
"""Return a string representing the Card (atr and reader concatenation)."""
return toHexString( self.atr ) + ' / ' + str(self.reader)
def __eq__( self, other ):
"""Return True if self==other (same reader and same atr).
Return False otherwise."""
if isinstance( other, Card ):
return (self.atr==other.atr and `self.reader`==`other.reader`)
else:
return False
def __ne__( self, other ):
"""Return True if self!=other (same reader and same atr).Returns False otherwise."""
return not self.__eq__( other )
def createConnection( self ):
"""Return a CardConnection to the Card object."""
readerobj=None
if isinstance( self.reader, Reader ):
readerobj=self.reader
elif type(self.reader)==str:
for reader in readers():
if self.reader==str(reader):
readerobj = reader
if readerobj:
return readerobj.createConnection()
else:
#raise CardConnectionException( 'not a valid reader: ' + str(self.reader) )
return None
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