Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > comp.lang.python > #4241

Composition instead of inheritance

Path csiph.com!x330-a1.tempe.blueboxinc.net!usenet.pasdenom.info!aioe.org!feeder.news-service.com!newsfeed.xs4all.nl!newsfeed6.news.xs4all.nl!xs4all!newsgate.cistron.nl!newsgate.news.xs4all.nl!post.news.xs4all.nl!not-for-mail
Return-Path <ethan@stoneleaf.us>
X-Original-To python-list@python.org
Delivered-To python-list@mail.python.org
X-Spam-Status OK 0.004
X-Spam-Evidence '*H*': 0.99; '*S*': 0.00; 'recipe': 0.07; 'python': 0.07; 'from:addr:ethan': 0.09; 'from:addr:stoneleaf.us': 0.09; 'from:name:ethan furman': 0.09; 'message-id:@stoneleaf.us': 0.09; 'received:74.54.199': 0.09; 'received:74.54.199.50': 0.09; 'received:gator410.hostgator.com': 0.09; 'url:activestate': 0.09; '~ethan~': 0.09; 'url:code': 0.11; 'received:72.11': 0.16; 'received:72.11.125': 0.16; 'received:72.11.125.166': 0.16; 'posted': 0.22; 'instead': 0.26; 'to:addr:python-list': 0.32; '(for': 0.33; 'header:User-Agent:1': 0.35; 'comments': 0.39; 'to:addr:python.org': 0.39; 'header:Received:5': 0.40; 'received:74.54': 0.60; 'received:hostgator.com': 0.64; 'received:websitewelcome.com': 0.71; 'composition': 0.84; 'received:64.5': 0.84; 'received:gateway09.websitewelcome.com': 0.84; 'inheritance,': 0.91
Date Thu, 28 Apr 2011 10:15:02 -0700
From Ethan Furman <ethan@stoneleaf.us>
User-Agent Thunderbird 1.5.0.10 (Windows/20070221)
MIME-Version 1.0
To Python <python-list@python.org>
Subject Composition instead of inheritance
Content-Type text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding 7bit
X-AntiAbuse This header was added to track abuse, please include it with any abuse report
X-AntiAbuse Primary Hostname - gator410.hostgator.com
X-AntiAbuse Original Domain - python.org
X-AntiAbuse Originator/Caller UID/GID - [47 12] / [47 12]
X-AntiAbuse Sender Address Domain - stoneleaf.us
X-Source
X-Source-Args
X-Source-Dir
X-Source-Sender mail.admailinc.com ([192.168.10.136]) [72.11.125.166]:4177
X-BeenThere python-list@python.org
X-Mailman-Version 2.1.12
Precedence list
List-Id General discussion list for the Python programming language <python-list.python.org>
List-Unsubscribe <http://mail.python.org/mailman/options/python-list>, <mailto:python-list-request@python.org?subject=unsubscribe>
List-Archive <http://mail.python.org/pipermail/python-list>
List-Post <mailto:python-list@python.org>
List-Help <mailto:python-list-request@python.org?subject=help>
List-Subscribe <http://mail.python.org/mailman/listinfo/python-list>, <mailto:python-list-request@python.org?subject=subscribe>
Newsgroups comp.lang.python
Message-ID <mailman.946.1304010200.9059.python-list@python.org> (permalink)
Lines 8
NNTP-Posting-Host 82.94.164.166
X-Trace 1304010200 news.xs4all.nl 81482 [::ffff:82.94.164.166]:58434
X-Complaints-To abuse@xs4all.nl
Xref x330-a1.tempe.blueboxinc.net comp.lang.python:4241

Show key headers only | View raw


For anybody interested in composition instead of multiple inheritance, I 
have posted this recipe on ActiveState (for python 2.6/7, not 3.x):

http://code.activestate.com/recipes/577658-composition-of-classes-instead-of-multiple-inherit/

Comments welcome!

~Ethan~

Back to comp.lang.python | Previous | NextNext in thread | Find similar | Unroll thread


Thread

Composition instead of inheritance Ethan Furman <ethan@stoneleaf.us> - 2011-04-28 10:15 -0700
  Re: Composition instead of inheritance Ben Finney <ben+python@benfinney.id.au> - 2011-04-29 07:38 +1000
  Re: Composition instead of inheritance Alan Meyer <ameyer2@yahoo.com> - 2011-05-02 13:30 -0400

csiph-web