Path: csiph.com!v102.xanadu-bbs.net!xanadu-bbs.net!feeder.erje.net!eu.feeder.erje.net!newsfeed.xs4all.nl!newsfeed4.news.xs4all.nl!xs4all!newsgate.cistron.nl!newsgate.news.xs4all.nl!post.news.xs4all.nl!not-for-mail Return-Path: X-Original-To: python-list@python.org Delivered-To: python-list@mail.python.org X-Spam-Status: OK 0.003 X-Spam-Evidence: '*H*': 0.99; '*S*': 0.00; 'received:80.91': 0.09; 'received:80.91.229': 0.09; 'received:gmane.org': 0.09; 'received:list': 0.09; 'def': 0.12; '.py': 0.16; 'received:80.91.229.3': 0.16; 'received:dip0.t-ipconnect.de': 0.16; 'received:plane.gmane.org': 0.16; 'received:t-ipconnect.de': 0.16; 'subject:class': 0.16; 'wrote:': 0.18; 'import': 0.22; 'header:User-Agent:1': 0.23; 'pass': 0.26; 'header:X-Complaints- To:1': 0.27; 'subject:skip:i 10': 0.31; 'file': 0.32; 'class': 0.32; 'there': 0.35; 'to:addr:python-list': 0.38; 'to:addr:python.org': 0.39; 'received:org': 0.40; 'email addr:gmail.com': 0.63 X-Injected-Via-Gmane: http://gmane.org/ To: python-list@python.org From: Peter Otten <__peter__@web.de> Subject: Re: class implementation Date: Mon, 30 Sep 2013 11:03:10 +0200 Organization: None References: <6e338858-b9e6-4745-9959-35d7c0c7724e@googlegroups.com> Mime-Version: 1.0 Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7Bit X-Gmane-NNTP-Posting-Host: p50849c2a.dip0.t-ipconnect.de User-Agent: KNode/4.7.3 X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: General discussion list for the Python programming language List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Newsgroups: comp.lang.python Message-ID: Lines: 17 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1380531725 news.xs4all.nl 15971 [2001:888:2000:d::a6]:50004 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:55057 markotaht@gmail.com wrote: > Is there a way to give a class extra functions whidout editing the .py > file where the class is located? A clean way is subclassing: import vehicles class FlyingCar(vehicles.Car): def lift_off(self): pass flying_car = FlyingCar() flying_car.lift_off()