ab263bee19
git-svn-id: svn://svn.cy55.de/Zope3/src/cybertools/trunk@649 fd906abe-77d9-0310-91a1-e0d9ade77398
51 lines
No EOL
1.4 KiB
Python
51 lines
No EOL
1.4 KiB
Python
# -*- coding: UTF-8 -*-
|
|
# -*- Mode: Python; py-indent-offset: 4 -*-
|
|
#
|
|
# Copyright (c) 2005 Helmut Merz helmutm@cy55.de
|
|
#
|
|
# This program is free software; you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation; either version 2 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program; if not, write to the Free Software
|
|
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
#
|
|
|
|
"""
|
|
The relation package provides all you need for setting up dyadic and
|
|
triadic relations.
|
|
|
|
$Id$
|
|
"""
|
|
|
|
from persistent import Persistent
|
|
from zope.interface import implements
|
|
from interfaces import IDyadicRelation, ITriadicRelation
|
|
|
|
|
|
class DyadicRelation(Persistent):
|
|
|
|
implements(IDyadicRelation)
|
|
|
|
def __init__(self, first, second):
|
|
self.first = first
|
|
self.second = second
|
|
|
|
|
|
class TriadicRelation(Persistent):
|
|
|
|
implements(ITriadicRelation)
|
|
|
|
def __init__(self, first, second, third):
|
|
self.first = first
|
|
self.second = second
|
|
self.third = third
|
|
|
|
|