Path: csiph.com!usenet.pasdenom.info!news.etla.org!news.stack.nl!newsfeed.xs4all.nl!newsfeed3a.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 0.029 X-Spam-Evidence: '*H*': 0.94; '*S*': 0.00; 'subject:: [': 0.04; 'that?': 0.05; 'subject:Python': 0.06; 'installed.': 0.07; 'wrote': 0.14; '"python': 0.16; 'bit.': 0.16; 'runtime.': 0.16; 'subject:Dev': 0.16; 'subject:edition': 0.16; 'visualizing': 0.16; 'sat,': 0.16; 'sender:addr:gmail.com': 0.17; 'wrote:': 0.18; 'subject:] ': 0.20; 'written': 0.21; 'code,': 0.22; 'tests': 0.22; 'to:name:python-list@python.org': 0.22; 'decide': 0.24; 'pass': 0.26; 'post': 0.26; 'header:In-Reply-To:1': 0.27; 'am,': 0.29; 'dec': 0.30; 'message-id:@mail.gmail.com': 0.30; "i'm": 0.30; 'code': 0.31; '13,': 0.31; 'accidentally': 0.31; 'complete,': 0.31; 'another': 0.32; "i'd": 0.34; 'could': 0.34; 'tool': 0.35; 'but': 0.35; 'received:google.com': 0.35; "didn't": 0.36; 'useful': 0.36; 'sometimes': 0.38; 'depends': 0.38; 'to:addr :python-list': 0.38; 'little': 0.38; 'realize': 0.39; 'sure': 0.39; 'to:addr:python.org': 0.39; 'even': 0.60; 'year.': 0.61; 'took': 0.61; 'back': 0.62; "you'll": 0.62; 'such': 0.63; 'happen': 0.63; 'myself': 0.63; 'choose': 0.64; 'pick': 0.64; 'family': 0.73; 'eyes': 0.78; 'subject:survey': 0.84; 'edwards': 0.91; 'mistakenly': 0.91 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:from:date:message-id :subject:to:content-type; bh=b1j2yDty5049d9QyFEQxh6YRHzpB305DDArpgOE2t3k=; b=Iy9JZxiyA1KLEKsHvWdXHy4mT7mpWl0D+IjaslsAxy+EAaxTaO+HmYai4gXnCU4CSk 2TjQq+xiqUUpOXfdtASVXS25JqvNecE4RNANXBwzzlEDTMZwyW/+95kICMudTCnprD3V wjWZOknO+x5fsOFOyXP9v8byQuiJOJhHl23lznaYIKipyxfOx2Z6XhVvzPlYndYjcSIA aMPO8JzEhnYrlbQri4BbwUKi8SmCtj7PqDAju2uP5vPySub84w8MIed10JRj4/NmZ2gk yGZ03uyRIQJIW5amZHkV3XMr1Hxm8k7UoApYXQ9NfoRC/Rn8FHVKdlBDiMUean9CzQBZ jI1Q== X-Received: by 10.60.57.10 with SMTP id e10mr13963768oeq.45.1418492880909; Sat, 13 Dec 2014 09:48:00 -0800 (PST) MIME-Version: 1.0 Sender: zachary.ware@gmail.com In-Reply-To: References: <341920B4-12B5-499D-95FC-5572338AE602@stufft.io> From: Zachary Ware Date: Sat, 13 Dec 2014 11:47:40 -0600 X-Google-Sender-Auth: mdAB4xy1OZguXOK3KfK6RrMREmw Subject: Re: [Python-Dev] Python 2.x and 3.x use survey, 2014 edition To: "python-list@python.org" Content-Type: text/plain; charset=UTF-8 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: 27 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1418492883 news.xs4all.nl 2849 [2001:888:2000:d::a6]:41117 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:82487 On Sat, Dec 13, 2014 at 9:51 AM, Grant Edwards wrote: > On 2014-12-10, Bruno Cauet wrote: > >> Nathaniel, I'm not sure about that: even if the code is 2- and 3-compatible >> you'll pick one runtime. > > Why do you say that? > > I have both installed. I use both. Sometimes it depends on which > OS/distro I'm running, sometimes other reasons prevail. Just to give another anecdote, I wrote myself a little tool last night for visualizing healthcare scenarios to help my family decide which insurance plan to choose this year. I didn't realize until I added 'subTest's to the tests and mistakenly invoked them as "python -m test" instead of "python3 -m test" that I'd accidentally written it to be 2/3 compatible! I took the subTest back out, and tests pass with both interpreters. -- Zach (If such a tool could be useful to anyone, I can post it on BitBucket/GitHub. Its support for all possibilities is far from complete, but it helped us a bit. Also, I make no guarantees that you won't want to gouge your eyes out reading the code, but that *shouldn't* happen ;)