ISMAIL MASSERAN
78 lines
2.5 KiB
Python
78 lines
2.5 KiB
Python
"""Card class.
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__author__ = "gemalto https://www.gemalto.com/"
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Copyright 2001-2012 gemalto
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Author: Jean-Daniel Aussel, mailto:jean-daniel.aussel@gemalto.com
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This file is part of pyscard.
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pyscard is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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pyscard is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with pyscard; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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"""
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from smartcard.reader.Reader import Reader
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from smartcard.System import readers
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from smartcard.util import toHexString
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class Card:
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"""Card class."""
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def __init__(self, reader, atr):
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"""Card constructor.
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@param reader: reader in which the card is inserted
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@param atr: ATR of the card"""
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self.reader = reader
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self.atr = atr
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def __repr__(self):
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"""Return a string representing the Card (atr and reader
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concatenation)."""
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return toHexString(self.atr) + " / " + str(self.reader)
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def __eq__(self, other):
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"""Return True if self==other (same reader and same atr).
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Return False otherwise."""
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if isinstance(other, Card):
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return self.atr == other.atr and repr(self.reader) == repr(other.reader)
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return False
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def __ne__(self, other):
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"""Return True if self!=other (same reader and same atr).Returns
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False otherwise."""
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return not self.__eq__(other)
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def __hash__(self):
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"""Returns a hash value for this object (str(self) is unique)."""
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return hash(str(self))
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def createConnection(self):
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"""Return a CardConnection to the Card object."""
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readerobj = None
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if isinstance(self.reader, Reader):
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readerobj = self.reader
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elif isinstance(self.reader, str):
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for reader in readers():
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if self.reader == str(reader):
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readerobj = reader
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if readerobj:
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return readerobj.createConnection()
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# raise CardConnectionException(
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# 'not a valid reader: ' + str(self.reader))
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return None
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