Path: csiph.com!usenet.pasdenom.info!gegeweb.org!de-l.enfer-du-nord.net!feeder1.enfer-du-nord.net!cs.uu.nl!news0.firedrake.org!news.nosignal.org!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; 'string.': 0.04; 'subject:Python': 0.05; 'attribute': 0.05; 'elements.': 0.05; '22,': 0.09; 'explanation': 0.09; 'received:mail- vb0-f46.google.com': 0.09; 'tends': 0.09; 'dec': 0.15; 'sat,': 0.15; '(more': 0.16; 'ah!': 0.16; 'element.': 0.16; 'for,': 0.16; 'from:addr:rosuav': 0.16; 'from:name:chris angelico': 0.16; 'integers,': 0.16; 'still,': 0.16; 'wrappers': 0.16; 'wrote:': 0.17; 'copied': 0.17; 'element': 0.17; 'instance': 0.17; 'pointed': 0.17; 'received:209.85.212.46': 0.18; 'names.': 0.22; 'header:In-Reply-To:1': 0.25; 'message-id:@mail.gmail.com': 0.27; 'received:209.85.212': 0.28; 'chris': 0.28; 'container': 0.29; 'document,': 0.29; 'dom': 0.29; 'represented': 0.29; 'strings,': 0.29; 'handled': 0.29; 'objects': 0.29; 'classes': 0.30; 'keyword': 0.30; 'returned': 0.30; 'instances': 0.33; 'to:addr :python-list': 0.33; 'received:google.com': 0.34; 'or,': 0.34; 'list': 0.35; 'pm,': 0.35; 'received:209.85': 0.35; 'something': 0.35; 'method': 0.36; 'itself': 0.37; 'uses': 0.37; 'rather': 0.37; 'received:209': 0.37; 'subject:: ': 0.38; 'to:addr:python.org': 0.39; 'header:Received:5': 0.40; 'more': 0.63; 'harder': 0.65; 'skip:$ 10': 0.66 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; bh=uioyuuGGnzOU/98ffZ2dT+fmO1i3W+xzaWFih2DzJ1g=; b=bJRKx9l55mZslJbJAIt1IPCdh0I9y2CcySCLdGTsN8Y6qK5fvpqEMf/lP16NTML779 bSGuMRI/Ghiu09X+q1YC9sAJMhYp9+HfMFusaHmat3aZlPcYesChUe8xhrwxITG1pLw1 ULgrNOgy2CYhrylk7jVem7yPwYY6vaaK6CL9E+gAnflTNt1jLNtVfBPi5RQueiL7qFB9 S3M5OIgmWCFikAYggoFAYw88M9sYp3D9uAwPc/FpVdTbYBZ1GNSSFShma+WN4yk6k0n/ 4U6Ia6s0YkQKFgfje1uBgnbCc8hXzQkuxyHmvqSjwCDMFdAkl/V+nw98ISIH7I6z6WYA AlUg== MIME-Version: 1.0 In-Reply-To: <30bf668f-56e5-482f-b540-5cfa136348d1@googlegroups.com> References: <50D256B3.4070709@udel.edu> <96edb672-dabd-4ab8-9e7c-3fa7f4a91437@googlegroups.com> <44335f22-555a-4806-b24a-7d4cb1d8e529@googlegroups.com> <4ddee631-b5b5-4cb4-82b0-00ca403b773e@googlegroups.com> <30bf668f-56e5-482f-b540-5cfa136348d1@googlegroups.com> Date: Sat, 22 Dec 2012 19:31:26 +1100 Subject: Re: Brython - Python in the browser From: Chris Angelico To: python-list@python.org Content-Type: text/plain; charset=ISO-8859-1 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: 1356165094 news.xs4all.nl 6969 [2001:888:2000:d::a6]:55542 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:35344 On Sat, Dec 22, 2012 at 6:57 PM, Pierre Quentel wrote: > I was over-simplifying - or, to put is less diplomatically, I screwed up - when I answered that the addition returned a string. As Chris pointed out, it made the explanation very confusing. My apologies > > The objects handled by + and <= can be : > - strings, integers, floats > - instances of $TagClass instances (more precisely, of classes copied from $TagClass, one for each HTML tag) : they are wrappers around a DOM element. The DOM element itself is the attribute "elt" of the $TagClass instance > - the document, represented by the keyword doc. Its attribute "elt" is the document (top of the DOM tree) > - instances of $AbstractClass, a container with a list of DOM elements. This list is the attribute "children" of the $TagClass instance Ah! Okay, that makes a LOT more sense. Still, it tends to be a lot harder to explain, document, and read documentation for, something that uses operators weirdly, rather than keyword-searchable method names. ChrisA