1 #!/usr/bin/env python 2 3 """ 4 Base exception objects. 5 6 Copyright (C) 2015, 2016 Paul Boddie <paul@boddie.org.uk> 7 8 This program is free software; you can redistribute it and/or modify it under 9 the terms of the GNU General Public License as published by the Free Software 10 Foundation; either version 3 of the License, or (at your option) any later 11 version. 12 13 This program is distributed in the hope that it will be useful, but WITHOUT 14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 15 FOR A PARTICULAR PURPOSE. See the GNU General Public License for more 16 details. 17 18 You should have received a copy of the GNU General Public License along with 19 this program. If not, see <http://www.gnu.org/licenses/>. 20 """ 21 22 class IndexError(Exception): 23 24 "An error condition involving an index." 25 26 def __init__(self, index): 27 self.index = index 28 29 class KeyError(Exception): 30 31 "An error concerned with a dictionary key." 32 33 def __init__(self, key): 34 self.key = key 35 36 class NotImplementedError(Exception): 37 38 "An error indicating an unimplemented function or method." 39 40 def __init__(self, name): 41 self.name = name 42 43 class StopIteration(Exception): 44 45 "An exception signalling the end of iteration." 46 47 pass 48 49 class ValueError(Exception): 50 51 "An error concerned with a particular value." 52 53 def __init__(self, value): 54 self.value = value 55 56 # vim: tabstop=4 expandtab shiftwidth=4