old_contents: """Smartcard module exceptions.
  
  This module defines the exceptions raised by the smartcard.pcsc modules.
  
  __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
  """
  
  # gemalto scard library
  import smartcard.scard
  
  class BaseSCardException:
      """Base class for scard (aka PCSC) exceptions.
  
      scard exceptions are raised by the scard module, i.e.
      low-level PCSC access to readers and cards.
  
      """
      def __init__( self, hresult ):
          """Constructor that stores the pcsc error status."""
          self.hresult=hresult
  
      def __str__(self):
          """Returns a string representation of the exception."""
          return repr("scard exception: "  +
              smartcard.scard.SCardGetErrorMessage(self.hresult))
  
  class EstablishContextException(BaseSCardException):
      """Raised when scard failed to establish context with PCSC."""
  
      def __str__(self):
          """Returns a string representation of the exception."""
          return repr( 'Failure to establish context: ' + smartcard.scard.SCardGetErrorMessage(self.hresult) )
  
  class ListReadersException(BaseSCardException):
      """Raised when scard failed to list readers."""
      def __str__(self):
          return repr( 'Failure to list readers: ' + smartcard.scard.SCardGetErrorMessage(self.hresult) )
  
  class EstablishContextException(BaseSCardException):
      """Raised when scard failed to establish a PCSC context."""
      def __str__(self):
          return repr( 'Failure to establish context: ' + smartcard.scard.SCardGetErrorMessage(self.hresult) )
  
  class ReleaseContextException(BaseSCardException):
      """Raised when scard failed to release PCSC context."""
      def __str__(self):
          return repr( 'Failure to release context: ' + smartcard.scard.SCardGetErrorMessage(self.hresult) )
  
  if __name__ == "__main__":
      import sys
      try:
          raise EstablishContextException( smartcard.scard.SCARD_E_NO_MEMORY )
      except BaseSCardException as exc:
          print exc
  
new_contents: """Smartcard module exceptions.
  
  This module defines the exceptions raised by the smartcard.pcsc modules.
  
  __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
  """
  
  # gemalto scard library
  import smartcard.scard
  
  
  class BaseSCardException:
      """Base class for scard (aka PCSC) exceptions.
  
      scard exceptions are raised by the scard module, i.e.
      low-level PCSC access to readers and cards.
  
      """
  
      def __init__(self, hresult):
          """Constructor that stores the pcsc error status."""
          self.hresult = hresult
  
      def __str__(self):
          """Returns a string representation of the exception."""
          return repr("scard exception: " +
              smartcard.scard.SCardGetErrorMessage(self.hresult))
  
  
  class EstablishContextException(BaseSCardException):
      """Raised when scard failed to establish context with PCSC."""
  
      def __str__(self):
          """Returns a string representation of the exception."""
          return repr('Failure to establish context: ' +
              smartcard.scard.SCardGetErrorMessage(self.hresult))
  
  
  class ListReadersException(BaseSCardException):
      """Raised when scard failed to list readers."""
  
      def __str__(self):
          return repr('Failure to list readers: ' +
              smartcard.scard.SCardGetErrorMessage(self.hresult))
  
  
  class EstablishContextException(BaseSCardException):
      """Raised when scard failed to establish a PCSC context."""
  
      def __str__(self):
          return repr('Failure to establish context: ' +
              smartcard.scard.SCardGetErrorMessage(self.hresult))
  
  
  class ReleaseContextException(BaseSCardException):
      """Raised when scard failed to release PCSC context."""
  
      def __str__(self):
          return repr('Failure to release context: ' +
              smartcard.scard.SCardGetErrorMessage(self.hresult))
  
  if __name__ == "__main__":
      import sys
      try:
          raise EstablishContextException(smartcard.scard.SCARD_E_NO_MEMORY)
      except BaseSCardException as exc:
          print exc
  
subject: make pep8 happy