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!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 0.012 X-Spam-Evidence: '*H*': 0.98; '*S*': 0.00; 'warnings': 0.05; 'forcing': 0.07; 'subject:when': 0.07; 'am,': 0.12; 'from:addr:rosuav': 0.16; 'from:name:chris angelico': 0.16; 'subject:builtin': 0.16; 'wrote:': 0.16; 'wed,': 0.17; 'header:In- Reply-To:1': 0.22; 'aug': 0.24; 'messages.': 0.25; 'language.': 0.28; 'message-id:@mail.gmail.com': 0.29; 'lines': 0.30; 'subject:?': 0.31; 'to:addr:python-list': 0.33; 'however,': 0.34; '17,': 0.34; 'useful': 0.36; 'but': 0.37; 'some': 0.38; 'received:google.com': 0.38; 'received:209.85': 0.38; 'subject:: ': 0.39; 'user': 0.39; 'to:addr:python.org': 0.39; 'cost': 0.65; 'greatest': 0.73 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type:content-transfer-encoding; bh=fqQ/hLq8fT2Sj3Dvl7sFKhstGUeTROSwjj5R7tXZs8c=; b=iN65FYoGwhWActwa69ojupwnLw13MwfaBgPuip1U9Gw0Ypgh0t752WbcGP5WhGBB6O +LSy583wPi38b3/R/JrOyy1Z8Wn4uPFjPbTeKeChTZXEZ9PvrSwk277XrmCEqvuF12eE EPjzvzTjAicXi/k6agy4AaxMWgYT9x7/cZI+4= MIME-Version: 1.0 In-Reply-To: References: <4e49c89a$0$30001$c3e8da3$5496439d@news.astraweb.com> <4e49fcd7$0$29974$c3e8da3$5496439d@news.astraweb.com> <2A3EB048-1F10-46E8-973F-9BBD303E7B9F@semanchuk.com> <4E4A8F94.50706@stoneleaf.us> Date: Wed, 17 Aug 2011 01:02:34 +0100 Subject: Re: Why no warnings when re-assigning builtin names? From: Chris Angelico To: python-list@python.org Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.12 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: 12 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1313539356 news.xs4all.nl 23890 [2001:888:2000:d::a6]:53522 X-Complaints-To: abuse@xs4all.nl Xref: x330-a1.tempe.blueboxinc.net comp.lang.python:11628 On Wed, Aug 17, 2011 at 12:49 AM, Seebs wrote: > Yes, but is it a *significant* cost? =A0My assumption is that the suppres= sion > would be of checking, not just of displaying messages. > It mightn't be very significant, but there'd still be some cost. However, IMHO the greatest cost is the spamminess; forcing the user to deal with lines and lines of warnings is not a useful way to design a language. ChrisA