SWExceptions.py :  » Mobile » pyscard » pyscard-1.6.10 » smartcard » sw » Python Open Source

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Python Open Source » Mobile » pyscard 
pyscard » pyscard 1.6.10 » smartcard » sw » SWExceptions.py
"""Status Word (SW) Exceptions

This module defines the exceptions raised by status word errors or warnings.

__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
"""

class SWException:
    """Base class for status word exceptions.

    Status word exceptions are generated when errors and warnings are detected
    in the sw1 and sw2 bytes of the response apdu.

    """
    def __init__( self, data, sw1, sw2, message="" ):
        self.message = message
        """response apdu data"""
        self.data = data
        """response apdu sw1"""
        self.sw1=sw1
        """response apdu sw2"""
        self.sw2=sw2
    def __str__(self):
        return repr( 'Status word exception: ' + self.message + '!' )

class WarningProcessingException( SWException ):
    """Raised when a warning processing is detected from sw1, sw2.
    Examples of warning processing exception: sw1=62 or sw=63 (ISO7816-4)."""
    def __init__( self, data, sw1, sw2, message="" ):
        SWException.__init__( self, data, sw1, sw2, "warning processing - " + message )

class ExecutionErrorException( SWException ):
    """Raised when an execution error is detected from sw1, sw2.
    Examples of execution error: sw1=64 or sw=65 (ISO7816-4)."""
    def __init__( self, data, sw1, sw2, message="" ):
        SWException.__init__( self, data, sw1, sw2, "execution error - " + message )

class SecurityRelatedException( SWException ):
    """Raised when a security issue is detected from sw1, sw2.
    Examples of security issue: sw1=66 (ISO7816-4)."""
    def __init__( self, data, sw1, sw2, message="" ):
        SWException.__init__( self, data, sw1, sw2, "security issue - " + message )

class CheckingErrorException( SWException ):
    """Raised when a checking error is detected from sw1, sw2.
    Examples of checking error: sw1=67 to 6F (ISO781604)."""
    def __init__( self, data, sw1, sw2, message="" ):
        SWException.__init__( self, data, sw1, sw2, "checking error - " + message )
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