paul@6 | 1 | #!/usr/bin/env python |
paul@6 | 2 | |
paul@6 | 3 | """ |
paul@6 | 4 | Identity-related functions. |
paul@6 | 5 | |
paul@6 | 6 | Copyright (C) 2015 Paul Boddie <paul@boddie.org.uk> |
paul@6 | 7 | |
paul@6 | 8 | This program is free software; you can redistribute it and/or modify it under |
paul@6 | 9 | the terms of the GNU General Public License as published by the Free Software |
paul@6 | 10 | Foundation; either version 3 of the License, or (at your option) any later |
paul@6 | 11 | version. |
paul@6 | 12 | |
paul@6 | 13 | This program is distributed in the hope that it will be useful, but WITHOUT |
paul@6 | 14 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
paul@6 | 15 | FOR A PARTICULAR PURPOSE. See the GNU General Public License for more |
paul@6 | 16 | details. |
paul@6 | 17 | |
paul@6 | 18 | You should have received a copy of the GNU General Public License along with |
paul@6 | 19 | this program. If not, see <http://www.gnu.org/licenses/>. |
paul@6 | 20 | """ |
paul@6 | 21 | |
paul@6 | 22 | from native import _isinstance |
paul@6 | 23 | |
paul@6 | 24 | def callable(obj): pass |
paul@6 | 25 | def help(*args): pass |
paul@6 | 26 | def id(obj): pass |
paul@6 | 27 | |
paul@6 | 28 | def isinstance(obj, cls_or_tuple): |
paul@6 | 29 | |
paul@6 | 30 | """ |
paul@6 | 31 | Return whether 'obj' is an instance of 'cls_or_tuple', where the latter is |
paul@6 | 32 | either a class or a tuple of classes. |
paul@6 | 33 | """ |
paul@6 | 34 | |
paul@6 | 35 | # NOTE: CPython insists on tuples, but any sequence might be considered |
paul@6 | 36 | # NOTE: acceptable. |
paul@6 | 37 | |
paul@6 | 38 | if _isinstance(cls_or_tuple, tuple): |
paul@6 | 39 | for cls in cls_or_tuple: |
paul@6 | 40 | if obj.__class__ is cls or _isinstance(obj, cls): |
paul@6 | 41 | return True |
paul@6 | 42 | return False |
paul@6 | 43 | else: |
paul@6 | 44 | return obj.__class__ is cls_or_tuple or _isinstance(obj, cls_or_tuple) |
paul@6 | 45 | |
paul@6 | 46 | def issubclass(obj, cls_or_tuple): pass |
paul@6 | 47 | |
paul@6 | 48 | def repr(obj): pass |
paul@6 | 49 | |
paul@6 | 50 | # vim: tabstop=4 expandtab shiftwidth=4 |