Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > comp.lang.python > #24591

Re: Why has python3 been created as a seperate language where there is still python2.7 ?

Path csiph.com!usenet.pasdenom.info!weretis.net!feeder4.news.weretis.net!ecngs!feeder2.ecngs.de!newsfeed.freenet.ag!news2.euro.net!newsfeed.xs4all.nl!newsfeed6.news.xs4all.nl!xs4all!post.news.xs4all.nl!not-for-mail
Return-Path <python-python-list@m.gmane.org>
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; 'incompatible': 0.07; 'python': 0.09; '2to3': 0.09; 'confuse': 0.09; 'patch.': 0.09; 'received:80.91': 0.09; 'received:80.91.229': 0.09; 'received:gmane.org': 0.09; 'received:list': 0.09; 'subject:Why': 0.09; 'subject:language': 0.09; 'subject:still': 0.09; 'terry': 0.09; 'decent': 0.16; 'deprecate': 0.16; 'fixer': 0.16; 'from:addr:behnel.de': 0.16; 'from:addr:stefan_ml': 0.16; 'from:name:stefan behnel': 0.16; 'list)': 0.16; 'message- id:@dough.gmane.org': 0.16; 'received:80.91.229.3': 0.16; 'received:mnet-online.de': 0.16; 'received:plane.gmane.org': 0.16; 'reedy': 0.16; 'society.': 0.16; 'subject: \n ': 0.16; 'subject:created': 0.16; 'subject:python2.7': 0.16; 'subject:python3': 0.16; 'subject:seperate': 0.16; 'subject:where': 0.16; 'wrote:': 0.17; 'stefan': 0.17; 'code,': 0.18; 'supposed': 0.21; 'features,': 0.22; 'feature': 0.24; 'least': 0.25; 'header:In-Reply-To:1': 0.25; 'header:User- Agent:1': 0.26; 'coding': 0.27; '(such': 0.27; 'authors': 0.27; 'strongly': 0.27; 'header:X-Complaints-To:1': 0.28; 'bad.': 0.29; 'maintenance,': 0.29; 'style.': 0.29; 'books': 0.30; 'subject: ?': 0.30; 'code': 0.31; 'rid': 0.33; 'to:addr:python-list': 0.33; 'themselves': 0.33; 'another': 0.33; 'next': 0.35; 'received:org': 0.36; 'but': 0.36; 'actions': 0.36; 'be.': 0.36; 'two': 0.37; 'subject:: ': 0.38; 'to:addr:python.org': 0.39; 'release': 0.39; 'header:Received:5': 0.40; 'your': 0.60; 'companies': 0.60; 'free': 0.61; 'back': 0.62; 'other.': 0.64; 'making': 0.64; 'subject:there': 0.65; 'prohibited': 0.74; 'banned': 0.84; 'manual,': 0.84; 'received:88.217': 0.84; 'mean.': 0.91
X-Injected-Via-Gmane http://gmane.org/
To python-list@python.org
From Stefan Behnel <stefan_ml@behnel.de>
Subject Re: Why has python3 been created as a seperate language where there is still python2.7 ?
Date Thu, 28 Jun 2012 07:47:24 +0200
References <1340509604.38915.YahooMailClassic@web164605.mail.gq1.yahoo.com> <mailman.1484.1340619449.4697.python-list@python.org> <mailman.1503.1340677684.4697.python-list@python.org> <4fe92df1$0$29978$c3e8da3$5496439d@news.astraweb.com> <CABicbJKUZbFFmeRYN+yOuup5qoiJauo2jMukTFSv-1ZApQydoQ@mail.gmail.com> <jsbl4q$v84$1@dough.gmane.org> <4FEADFB4.5090301@stackless.com> <CAPTjJmpHaX1b+aHiRJ_a-kCUs-PrVZa6DGAw0AxKQ_=qpXJD5w@mail.gmail.com> <jseqe0$7fs$1@dough.gmane.org> <jsflll$lfd$1@dough.gmane.org> <jsft47$h1k$1@dough.gmane.org> <jsgqfb$bv8$1@dough.gmane.org>
Mime-Version 1.0
Content-Type text/plain; charset=UTF-8
Content-Transfer-Encoding 7bit
X-Gmane-NNTP-Posting-Host ppp-88-217-77-110.dynamic.mnet-online.de
User-Agent Mozilla/5.0 (X11; Linux x86_64; rv:12.0) Gecko/20120430 Thunderbird/12.0.1
In-Reply-To <jsgqfb$bv8$1@dough.gmane.org>
X-BeenThere python-list@python.org
X-Mailman-Version 2.1.12
Precedence list
List-Id General discussion list for the Python programming language <python-list.python.org>
List-Unsubscribe <http://mail.python.org/mailman/options/python-list>, <mailto:python-list-request@python.org?subject=unsubscribe>
List-Archive <http://mail.python.org/pipermail/python-list>
List-Post <mailto:python-list@python.org>
List-Help <mailto:python-list-request@python.org?subject=help>
List-Subscribe <http://mail.python.org/mailman/listinfo/python-list>, <mailto:python-list-request@python.org?subject=subscribe>
Newsgroups comp.lang.python
Message-ID <mailman.1586.1340862465.4697.python-list@python.org> (permalink)
Lines 28
NNTP-Posting-Host 2001:888:2000:d::a6
X-Trace 1340862465 news.xs4all.nl 6881 [2001:888:2000:d::a6]:49273
X-Complaints-To abuse@xs4all.nl
Xref csiph.com comp.lang.python:24591

Show key headers only | View raw

Serhiy Storchaka, 28.06.2012 07:36:
> On 28.06.12 00:14, Terry Reedy wrote:
>> Another prediction: people who code Python without reading the manual,
>> at least not for new features, will learn about 'u' somehow (such as by
>> reading this list) and may do either of the following, both of which are
>> bad.
>>
>> 1. They will confuse themselves by thinking that 'u' actually means
>> somethings. They may then confuse others by writing about its supposed
>> meaning. This might get amusing.
>>
>> 2. They will use 'u' in Python 3 only code, thereby making it
>> incompatible with 3.2-, even if it otherwise would not be.
>>
>> These two actions will reinforce each other.
> 
> Yes, this is what I mean. I can even make a prediction: in just 5 years, as
> this feature would be banned in a decent society. The authors of the books
> will be strongly advise not to use it, and in software companies 'u' will
> be prohibited in coding style. But get rid of this will be difficult.

Once Py2.7 is out of maintenance, we can deprecate that feature in one
release and start warning about it in the next one. You're then free to use
the corresponding 2to3 fixer to get it back out of your code with a single
patch.

Stefan

Back to comp.lang.python | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

Re: Why has python3 been created as a seperate language where there is still python2.7 ? Michiel Overtoom <motoom@xs4all.nl> - 2012-06-25 12:10 +0200
  Re: Why has python3 been created as a seperate language where there is still python2.7 ? rantingrickjohnson@gmail.com - 2012-06-25 19:28 -0700
    Re: Why has python3 been created as a seperate language where there is still python2.7 ? Jeremiah Dodds <jeremiah.dodds@gmail.com> - 2012-06-26 01:04 -0400
    Re: Why has python3 been created as a seperate language where there is still python2.7 ? Stefan Behnel <stefan_ml@behnel.de> - 2012-06-26 08:24 +0200
      Re: Why has python3 been created as a seperate language where there is still python2.7 ? rantingrickjohnson@gmail.com - 2012-06-27 20:32 -0700
      Re: Why has python3 been created as a seperate language where there is still python2.7 ? rantingrickjohnson@gmail.com - 2012-06-27 20:32 -0700
  Re: Why has python3 been created as a seperate language where there is still python2.7 ? rantingrickjohnson@gmail.com - 2012-06-25 19:28 -0700
    Re: Why has python3 been created as a seperate language where there is still python2.7 ? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-06-26 03:35 +0000
      Re: Why has python3 been created as a seperate language where there is still python2.7 ? Terry Reedy <tjreedy@udel.edu> - 2012-06-26 00:33 -0400
      Re: Why has python3 been created as a seperate language where there is still python2.7 ? Devin Jeanpierre <jeanpierreda@gmail.com> - 2012-06-26 02:15 -0400
        Re: Why has python3 been created as a seperate language where there is still python2.7 ? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-06-26 07:40 +0000
      Re: Why has python3 been created as a seperate language where there is still python2.7 ? Stefan Behnel <stefan_ml@behnel.de> - 2012-06-26 08:34 +0200
        Re: Why has python3 been created as a seperate language where there is still python2.7 ? rantingrickjohnson@gmail.com - 2012-06-27 20:53 -0700
          Re: Why has python3 been created as a seperate language where there is still python2.7 ? alex23 <wuwei23@gmail.com> - 2012-06-27 21:05 -0700
        Re: Why has python3 been created as a seperate language where there is still python2.7 ? rantingrickjohnson@gmail.com - 2012-06-27 20:53 -0700
      Re: Why has python3 been created as a seperate language where there is still python2.7 ? Christian Tismer <tismer@stackless.com> - 2012-06-27 12:25 +0200
      Re: Why has python3 been created as a seperate language where there is still python2.7 ? Chris Angelico <rosuav@gmail.com> - 2012-06-27 21:02 +1000
      Re: Why has python3 been created as a seperate language where there is still python2.7 ? Stefan Behnel <stefan_ml@behnel.de> - 2012-06-27 13:22 +0200
      Re: Why has python3 been created as a seperate language where there is still python2.7 ? Devin Jeanpierre <jeanpierreda@gmail.com> - 2012-06-27 07:24 -0400
      Re: Why has python3 been created as a seperate language where there is still python2.7 ? Chris Angelico <rosuav@gmail.com> - 2012-06-27 22:05 +1000
      Re: Why has python3 been created as a seperate language where there is still python2.7 ? Christian Tismer <tismer@stackless.com> - 2012-06-27 15:15 +0200
      Re: Why has python3 been created as a seperate language where there is still python2.7 ? Stefan Behnel <stefan_ml@behnel.de> - 2012-06-27 15:44 +0200
      Re: Why has python3 been created as a seperate language where there is still python2.7 ? Chris Angelico <rosuav@gmail.com> - 2012-06-27 23:44 +1000
      Re: Why has python3 been created as a seperate language where there is still python2.7 ? Christian Tismer <tismer@stackless.com> - 2012-06-27 16:34 +0200
      Re: Why has python3 been created as a seperate language where there is still python2.7 ? Serhiy Storchaka <storchaka@gmail.com> - 2012-06-27 21:58 +0300
      Re: Why has python3 been created as a seperate language where there is still python2.7 ? Serhiy Storchaka <storchaka@gmail.com> - 2012-06-27 22:08 +0300
      Re: Why has python3 been created as a seperate language where there is still python2.7 ? Terry Reedy <tjreedy@udel.edu> - 2012-06-27 17:14 -0400
      Re: Why has python3 been created as a seperate language where there is still python2.7 ? Christian Tismer <tismer@stackless.com> - 2012-06-28 00:11 +0200
        Re: Why has python3 been created as a seperate language where there is still python2.7 ? alex23 <wuwei23@gmail.com> - 2012-06-27 17:44 -0700
          Re: Why has python3 been created as a seperate language where there is still python2.7 ? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-06-28 04:32 +0000
      Re: Why has python3 been created as a seperate language where there is still python2.7 ? rantingrickjohnson@gmail.com - 2012-06-27 20:25 -0700
      Re: Why has python3 been created as a seperate language where there is still python2.7 ? Serhiy Storchaka <storchaka@gmail.com> - 2012-06-28 08:36 +0300
      Re: Why has python3 been created as a seperate language where there is still python2.7 ? Stefan Behnel <stefan_ml@behnel.de> - 2012-06-28 07:47 +0200
        Re: Why has python3 been created as a seperate language where there is still python2.7 ? wxjmfauth@gmail.com - 2012-06-28 02:34 -0700
        Re: Why has python3 been created as a seperate language where there is still python2.7 ? wxjmfauth@gmail.com - 2012-06-28 02:34 -0700
          Re: Why has python3 been created as a seperate language where there is still python2.7 ? Chris Angelico <rosuav@gmail.com> - 2012-06-28 20:14 +1000
    Re: Why has python3 been created as a seperate language where there is still python2.7 ? Roy Smith <roy@panix.com> - 2012-06-27 07:45 -0400

csiph-web