1 #!/usr/bin/env python 2 3 """ 4 Base exception objects. See __builtins__.core for the core exceptions. 5 6 Copyright (C) 2015, 2016, 2018 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 LookupError(Exception): 23 24 "A general lookup error." 25 26 pass 27 28 class IndexError(LookupError): 29 30 "An error condition involving an index." 31 32 def __init__(self, .index): 33 34 "Initialise the exception with the given 'index'." 35 36 pass 37 38 class KeyError(LookupError): 39 40 "An error concerned with a dictionary key." 41 42 def __init__(self, .key): 43 44 "Initialise the exception with the given 'key'." 45 46 pass 47 48 class RuntimeError(Exception): 49 50 "A general runtime error." 51 52 pass 53 54 class NotImplementedError(RuntimeError): 55 56 "An error indicating an unimplemented function or method." 57 58 def __init__(self, .name): 59 60 "Initialise the exception with the given 'name'." 61 62 pass 63 64 class StopIteration(Exception): 65 66 "An exception signalling the end of iteration." 67 68 pass 69 70 class ValueError(Exception): 71 72 "An error concerned with a particular value." 73 74 def __init__(self, .value): 75 76 "Initialise the exception with the given 'value'." 77 78 pass 79 80 # vim: tabstop=4 expandtab shiftwidth=4
