Path: csiph.com!news.swapon.de!fu-berlin.de!uni-berlin.de!not-for-mail From: Peter Otten <__peter__@web.de> Newsgroups: comp.lang.python Subject: Re: can't add variables to instances of built-in classes Date: Wed, 20 Jul 2016 11:15:58 +0200 Organization: None Lines: 10 Message-ID: References: <4f796d95-0e87-4610-a0a8-1eff07c60ace@googlegroups.com> <578b9e62$0$22141$c3e8da3$5496439d@news.astraweb.com> <3e934f83-2076-407d-b85b-686ecdec6ff8@googlegroups.com> <2bc29306-ac90-4424-84c2-64be494c5a75@googlegroups.com> <230d1aff-b1a3-4f16-b9a6-b5d9fd07e4b4@googlegroups.com> <62dd86d4-74f7-4e97-a29c-7e45aced77d9@googlegroups.com> <18acf908-b761-4a60-8d7c-5e4576b03320@googlegroups.com> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8Bit X-Trace: news.uni-berlin.de misY/EAcdcFND/i4grlvhQVD1XSYZtith7qs6nBqdNSA== Return-Path: X-Original-To: python-list@python.org Delivered-To: python-list@mail.python.org X-Spam-Status: OK 0.001 X-Spam-Evidence: '*H*': 1.00; '*S*': 0.00; 'attributes': 0.07; 'wednesday,': 0.07; 'received:80.91': 0.09; 'received:80.91.229': 0.09; 'received:gmane.org': 0.09; 'received:list': 0.09; '2016': 0.16; '__slots__': 0.16; 'accidental': 0.16; 'received:80.91.229.3': 0.16; 'received:dip0.t-ipconnect.de': 0.16; 'received:io': 0.16; 'received:plane.gmane.org': 0.16; 'received:psf.io': 0.16; 'received:t-ipconnect.de': 0.16; 'wrote:': 0.16; 'attribute': 0.18; 'detect': 0.18; 'prevent': 0.20; 'candidates': 0.21; 'lawrence': 0.22; 'header:User-Agent:1': 0.26; 'header:X-Complaints-To:1': 0.26; 'to:addr:python-list': 0.36; 'subject:: ': 0.37; 'received:org': 0.37; 'subject:-': 0.39; 'to:addr:python.org': 0.40; 'received:de': 0.40; '20,': 0.66; 'otten': 0.84; 'subject:add': 0.91 X-Injected-Via-Gmane: http://gmane.org/ X-Gmane-NNTP-Posting-Host: p57bd8aba.dip0.t-ipconnect.de User-Agent: KNode/4.13.3 X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: General discussion list for the Python programming language List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Mailman-Original-Message-ID: X-Mailman-Original-References: <4f796d95-0e87-4610-a0a8-1eff07c60ace@googlegroups.com> <578b9e62$0$22141$c3e8da3$5496439d@news.astraweb.com> <3e934f83-2076-407d-b85b-686ecdec6ff8@googlegroups.com> <2bc29306-ac90-4424-84c2-64be494c5a75@googlegroups.com> <230d1aff-b1a3-4f16-b9a6-b5d9fd07e4b4@googlegroups.com> <62dd86d4-74f7-4e97-a29c-7e45aced77d9@googlegroups.com> <18acf908-b761-4a60-8d7c-5e4576b03320@googlegroups.com> Xref: csiph.com comp.lang.python:111668 Lawrence D’Oliveiro wrote: > On Wednesday, July 20, 2016 at 7:26:36 PM UTC+12, Peter Otten wrote: > >> pylint can detect candidates for accidental attribute creation: > > And __slots__ will prevent them outright. And attributes added intentionally.