1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/lib/__builtins__/attribute.py Tue Aug 30 21:55:58 2016 +0200
1.3 @@ -0,0 +1,40 @@
1.4 +#!/usr/bin/env python
1.5 +
1.6 +"""
1.7 +Attribute-related functions.
1.8 +
1.9 +Copyright (C) 2015 Paul Boddie <paul@boddie.org.uk>
1.10 +
1.11 +This program is free software; you can redistribute it and/or modify it under
1.12 +the terms of the GNU General Public License as published by the Free Software
1.13 +Foundation; either version 3 of the License, or (at your option) any later
1.14 +version.
1.15 +
1.16 +This program is distributed in the hope that it will be useful, but WITHOUT
1.17 +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
1.18 +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
1.19 +details.
1.20 +
1.21 +You should have received a copy of the GNU General Public License along with
1.22 +this program. If not, see <http://www.gnu.org/licenses/>.
1.23 +"""
1.24 +
1.25 +_getattr_default=object() # a unique placeholder for a missing value
1.26 +
1.27 +def getattr(obj, name, default=_getattr_default):
1.28 +
1.29 + "Implementation of getattr."
1.30 +
1.31 + try:
1.32 + return _getattr(obj, name)
1.33 + except AttributeError:
1.34 + if default is not _getattr_default:
1.35 + return default
1.36 + else:
1.37 + raise
1.38 +
1.39 +def hasattr(obj, name): pass
1.40 +def setattr(obj, name, value): pass
1.41 +def _getattr(obj, name): pass
1.42 +
1.43 +# vim: tabstop=4 expandtab shiftwidth=4