Path: csiph.com!newsfeed.hal-mli.net!feeder3.hal-mli.net!newsfeed.hal-mli.net!feeder1.hal-mli.net!newsfeed.xs4all.nl!newsfeed4.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 0.005 X-Spam-Evidence: '*H*': 0.99; '*S*': 0.00; 'interfaces': 0.04; 'resulting': 0.04; 'attribute': 0.07; 'variables': 0.07; 'nice!': 0.09; 'undefined': 0.09; 'python': 0.11; '"global"': 0.16; 'escribi\xf3:': 0.16; 'from:addr:ricaraoz': 0.16; 'from:name:ricardo ar\xe1oz': 0.16; 'merely': 0.16; 'mutable': 0.16; 'violated': 0.16; 'module': 0.19; "python's": 0.19; 'code,': 0.22; 'header:User-Agent:1': 0.23; 'values': 0.27; 'header:In- Reply-To:1': 0.27; 'interface': 0.32; 'addresses': 0.33; 'implemented': 0.33; 'johnson': 0.35; 'no,': 0.35; 'objects': 0.35; 'received:google.com': 0.35; 'really': 0.36; 'words,': 0.36; 'message-id:@gmail.com': 0.38; 'to:addr:python-list': 0.38; 'does': 0.39; 'to:addr:python.org': 0.39; 'sound': 0.68; 'behaviors': 0.74; 'balanced': 0.84; 'subject:Global': 0.91; 'rick': 0.93; 'yours.': 0.93 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=message-id:date:from:user-agent:mime-version:to:subject:references :in-reply-to:content-type:content-transfer-encoding; bh=a4m7mFo1a95CQ3VbncboIissIely4aAnKYYXjj+azDE=; b=uBNORAaWnHMKH4GVlYrnycnWmSC79mHUjySmZxZSBuOFhcY2l4F8Vn1cpkLZQ/U5Lq /apI/i/K1fGllbqlH9zfVyoPk1lF97CDqSXPymdA/fBc/GirrwcoNhX3KUZhq36Lyjxe 9EXTH9u1mkJMmpSjCk5bggBUwhRZ6D7KXJJdFpA9PNtTsfjeLVAAh8FKTzUFJASeK3Ln Ehk/brPrNHeWFJDcp7pmkyNQz8K9kOVZ20dpUkMBUgwzV8SecZehhpCtftgRDaUciQ2Q QvEFjVoxNqvyalqM/5Iud7//zy7Kj1juphHk6XtWFmSnGKhdHBsGMGE1d4fg0mRm6lzw zGLw== X-Received: by 10.236.110.133 with SMTP id u5mr5640421yhg.74.1384251301408; Tue, 12 Nov 2013 02:15:01 -0800 (PST) Date: Tue, 12 Nov 2013 07:15:01 -0300 From: =?ISO-8859-1?Q?Ricardo_Ar=E1oz?= User-Agent: Mozilla/5.0 (X11; Linux i686; rv:24.0) Gecko/20100101 Thunderbird/24.1.0 MIME-Version: 1.0 To: python-list@python.org Subject: Re: PyMyth: Global variables are evil... WRONG! References: <7b97786a-2aaf-454c-8c3a-1c19d20d4345@googlegroups.com> <82561733-d131-45de-ab10-c847f1960dc4@googlegroups.com> In-Reply-To: <82561733-d131-45de-ab10-c847f1960dc4@googlegroups.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit 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: 21 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1384255312 news.xs4all.nl 15945 [2001:888:2000:d::a6]:45567 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:59182 El 12/11/13 01:46, Rick Johnson escribió: > No, Python modules can be poked, prodded, and violated by any pervert > who can spell the word "import". Attribute values can be reassigned > and state can be externally manipulated resulting in all types of > undefined behaviors -- Nice! My code, my responsibility, my business.... not yours. > that does not sound like an interface to me. So if python modules are > importable everywhere, and mutable from everywhere, then python > modules are merely addresses to a collection of global variables? And > they're only interfaces "superficially"? So that leaves us with > Python's current implementation of unofficial "global" variables > implemented as "puesdo- interfaces" by module objects that are victims > waiting to be violated. Interesting. IF IT WALKS LIKE A GLOBAL DUCK > AND... Nice choice of words, "violated", "victims".... Really conductive to a balanced unprejudiced thought process.