Path: csiph.com!usenet.pasdenom.info!weretis.net!feeder4.news.weretis.net!ecngs!feeder2.ecngs.de!newsfeed.freenet.ag!news2.euro.net!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 0.000 X-Spam-Evidence: '*H*': 1.00; '*S*': 0.00; 'argument': 0.04; 'compiler': 0.05; 'python': 0.09; 'defined,': 0.09; 'definition,': 0.09; 'deprecated,': 0.09; 'received:80.91': 0.09; 'received:80.91.229': 0.09; 'received:gmane.org': 0.09; 'received:list': 0.09; 'subject:using': 0.09; 'terry': 0.09; 'way:': 0.09; 'dec': 0.15; '*only*': 0.16; '2.7:': 0.16; 'cased': 0.16; 'joys': 0.16; 'received:80.91.229.3': 0.16; 'received:plane.gmane.org': 0.16; 'reedy': 0.16; 'wed,': 0.16; 'wrote:': 0.17; 'instance': 0.17; 'jan': 0.18; 'code,': 0.18; '3.x': 0.22; 'header:In-Reply-To:1': 0.25; 'header:User-Agent:1': 0.26; '[1]': 0.27; 'header:X-Complaints-To:1': 0.28; "d'aprano": 0.29; 'steven': 0.29; 'integration': 0.29; '"the': 0.29; 'class': 0.29; 'could': 0.32; 'zero': 0.33; 'to:addr:python-list': 0.33; 'recommended': 0.33; 'another': 0.33; 'pm,': 0.35; 'received:org': 0.36; 'correctly': 0.37; 'being': 0.37; 'usual': 0.37; 'rather': 0.37; 'subject:: ': 0.38; 'easier': 0.38; 'to:addr:python.org': 0.39; 'notice': 0.39; 'header:Received:5': 0.40; 'your': 0.60; 'details': 0.63; 'special': 0.73; 'received:fios.verizon.net': 0.84; 'technically': 0.91; 'inheritance,': 0.93 X-Injected-Via-Gmane: http://gmane.org/ To: python-list@python.org From: Terry Reedy Subject: Re: ANNOUNCE: Thesaurus - a recursive dictionary subclass using attributes Date: Wed, 12 Dec 2012 20:36:51 -0500 References: <201212102248.50766.dave@cinege.com> <201212121420.20184.dave@cinege.com> <50c921ae$0$29972$c3e8da3$5496439d@news.astraweb.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Gmane-NNTP-Posting-Host: pool-173-75-251-66.phlapa.fios.verizon.net User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:16.0) Gecko/20121026 Thunderbird/16.0.2 In-Reply-To: <50c921ae$0$29972$c3e8da3$5496439d@news.astraweb.com> 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: 30 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1355362647 news.xs4all.nl 6904 [2001:888:2000:d::a6]:40585 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:34748 On 12/12/2012 7:30 PM, Steven D'Aprano wrote: > On Wed, 12 Dec 2012 17:20:53 -0500, Dave Cinege wrote: > >> Isn't super() depreciated? > > Heavens no. super() is the recommended way to do inheritance, and the > *only* way to correctly do multiple inheritance[1]. Indeed. Rather than super() being deprecated, it was made easier to use in 3.x by being special cased during compilation. Notice the difference of signatures: 2.7: super(type[, object-or-type]) 3.3: super([type[, object-or-type]]) "The zero argument form only works inside a class definition, as the compiler fills in the necessary details to correctly retrieve the class being defined, as well as accessing the current instance for ordinary methods." > [1] Well, technically there's another way: one might reimplement the > functionality of super() in your own code, and avoid using super() while > having all the usual joys of reinventing the wheel. This deeper integration means that it could not be completely reimplemented in Python ;-). -- Terry Jan Reedy