#============================================================================ # This file is part of Pwman3. # # Pwman3 is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License, version 2 # as published by the Free Software Foundation; # # Pwman3 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 Pwman3; if not, write to the Free Software # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA #============================================================================ # Copyright (C) 2012 Oz Nahum #============================================================================ #============================================================================ # Copyright (C) 2006 Ivan Kelly #============================================================================ """Callback interface To be used when UI needs to be back to get info from user. """ class Callback: """Callback interface. Callback classes must implement this.""" def getinput(self, question): """Return text""" pass def getsecret(self, question): """Return key""" pass def error(self, error): """Present error to user""" pass def warning(self, warning): """Present warning to user""" pass def notice(self, warning): """Present notice to user""" pass class CallbackCancelException(Exception): def __init__(self, message): self.message = message def __str__(self): return "CallbackCancelException: %s" % (self.message)