1 #!/usr/bin/env python 2 3 """ 4 System exception objects. 5 6 Copyright (C) 2015, 2016, 2017 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 EnvironmentError(Exception): 23 24 "The base class for external errors." 25 26 pass 27 28 class OSError(Exception): 29 30 "A general operating system error." 31 32 def __init__(self, value, arg): 33 34 "Initialise the exception with the given error 'value' and 'arg'." 35 36 self.value = value 37 self.arg = arg 38 39 def __str__(self): 40 return str(buffer(["OSError(", repr(self.value), ", ", repr(self.arg), ")"])) 41 42 __repr__ = __str__ 43 44 class SystemError(Exception): 45 46 "A non-serious error occurring within the runtime system." 47 48 pass 49 50 class SystemExit(Exception): 51 52 "An exception exiting the program." 53 54 def __init__(self, value): 55 self.value = value 56 57 # vim: tabstop=4 expandtab shiftwidth=4