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erikg / Revelation

Revelation is a password manager for the GNOME desktop, released under the GNU GPL license. It stores all your accounts and passwords in a single, secure place, and gives you access to it through a user-friendly graphical interface.

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Revelation / src / lib / datahandler / base.py

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#
# Revelation - a password manager for GNOME 2
# http://oss.codepoet.no/revelation/
# $Id$
#
# Module for basic datahandler functionality
#
#
# Copyright (c) 2003-2006 Erik Grinaker
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
#

class Error(Exception):
        "Base exception for data handler"
        pass

class DataError(Error):
        "Exception for invalid data"
        pass

class FormatError(Error):
        "Exception for invalid file formats"
        pass

class PasswordError(Error):
        "Exception for wrong password"
        pass

class VersionError(Error):
        "Exception for unknown versions"
        pass



class DataHandler(object):
        "A datahandler base class, real datahandlers are subclassed from this"

        name            = None
        importer        = False
        exporter        = False
        encryption      = False


        def __init__(self):
                pass


        def check(self, input):
                "Fallback method, subclasses should override this"

                pass


        def detect(self, input):
                "Fallback method, subclasses should override this"

                return False


        def export_data(self, entrystore, password):
                "Fallback method, subclasses should override this"

                return ""


        def import_data(self, input, password):
                "Fallback method, subclasses should override this"

                pass