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

Groups > comp.lang.python > #16512

Re: Clever hack or code abomination?

Path csiph.com!x330-a1.tempe.blueboxinc.net!usenet.pasdenom.info!weretis.net!feeder4.news.weretis.net!nuzba.szn.dk!pnx.dk!amsnews11.chello.com!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 0.013
X-Spam-Evidence '*H*': 0.97; '*S*': 0.00; 'subject:code': 0.07; 'received:80.91': 0.09; 'received:80.91.229': 0.09; 'received:80.91.229.12': 0.09; 'received:gmane.org': 0.09; 'received:list': 0.09; 'received:lo.gmane.org': 0.09; 'algorithm': 0.13; 'obfuscated,': 0.16; 'roy': 0.16; 'simple:': 0.16; 'suffix': 0.16; 'this:': 0.16; 'wrote:': 0.18; 'works.': 0.23; 'up.': 0.25; 'subject:?': 0.31; 'header:User-Agent:1': 0.33; 'header:X -Complaints-To:1': 0.33; 'to:addr:python-list': 0.34; 'from:addr:libero.it': 0.34; '...': 0.36; 'sequence': 0.37; 'two': 0.37; 'not,': 0.37; 'bunch': 0.38; 'received:org': 0.38; 'else': 0.39; 'plain': 0.39; "it's": 0.40; 'to:addr:python.org': 0.40; '2011': 0.61; 'saw': 0.67; 'received:93': 0.78; '"foo"': 0.84; 'received:fastwebnet.it': 0.91; 'subject:hack': 0.91
X-Injected-Via-Gmane http://gmane.org/
To python-list@python.org
From Vito 'ZeD' De Tullio <zak.mc.kraken@libero.it>
Subject Re: Clever hack or code abomination?
Followup-To gmane.comp.python.general
Date Thu, 01 Dec 2011 21:35:02 +0100
References <roy-A03C06.22152730112011@news.panix.com> <CAJ6cK1ZPd0xGC8D=EPNJfDfSUM49+84miMCekXRVpWuCOAr0Xw@mail.gmail.com>
Mime-Version 1.0
Content-Type text/plain; charset="ISO-8859-1"
Content-Transfer-Encoding 7Bit
X-Gmane-NNTP-Posting-Host 93-32-156-196.ip34.fastwebnet.it
User-Agent KNode/4.4.10
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.3208.1322771722.27778.python-list@python.org> (permalink)
Lines 33
NNTP-Posting-Host 2001:888:2000:d::a6
X-Trace 1322771722 news.xs4all.nl 6938 [2001:888:2000:d::a6]:56582
X-Complaints-To abuse@xs4all.nl
Xref x330-a1.tempe.blueboxinc.net comp.lang.python:16512

Followups directed to: gmane.comp.python.general

Show key headers only | View raw

Arnaud Delobelle wrote:

> On 1 December 2011 03:15, Roy Smith <roy@panix.com> wrote:
>> I need to try a bunch of names in sequence until I find one that works
>> (definition of "works" is unimportant).  The algorithm is:
>>
>> 1) Given a base name, "foo", first see if just plain "foo" works.
>>
>> 2) If not, try "foo-1", "foo-2", and so on
>>
>> 3) If you reach "foo-20", give up.
>>
>> What would you say if you saw this:
>>
>> for suffix in [''] + [str(i) for i in xrange(-1, -20, -1)]:
>>
> 
> It's a little obfuscated ;) I would go for the simple:
> 
> for i in xrange(21):
>     suffix = "-%s" % i if i else ""
>     ....
> 

obfuscated for obfuscated, you can merge the two ideas:

for suffix in ('-%s' % i if i else '' for i in xrange(21)):
    ...


-- 
By ZeD

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

Thread

Clever hack or code abomination? Roy Smith <roy@panix.com> - 2011-11-30 22:15 -0500
  Re: Clever hack or code abomination? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-12-01 03:38 +0000
  Re: Clever hack or code abomination? Matt Joiner <anacrolix@gmail.com> - 2011-12-01 14:49 +1100
  Re: Clever hack or code abomination? Chris Angelico <rosuav@gmail.com> - 2011-12-01 19:21 +1100
    Re: Clever hack or code abomination? John Ladasky <ladasky@my-deja.com> - 2011-12-06 11:19 -0800
  Re: Clever hack or code abomination? Arnaud Delobelle <arnodel@gmail.com> - 2011-12-01 08:35 +0000
  Re: Clever hack or code abomination? Vito 'ZeD' De Tullio <zak.mc.kraken@libero.it> - 2011-12-01 21:35 +0100
  Re: Clever hack or code abomination? "Martin P. Hellwig" <martin.hellwig@gmail.com> - 2011-12-01 21:13 +0000
    Re: Clever hack or code abomination? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-12-02 00:15 +0000
      Re: Clever hack or code abomination? Chris Angelico <rosuav@gmail.com> - 2011-12-02 13:07 +1100
        Re: Clever hack or code abomination? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-12-02 05:34 +0000
          Re: Clever hack or code abomination? Chris Angelico <rosuav@gmail.com> - 2011-12-02 17:02 +1100
            Re: Clever hack or code abomination? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-12-02 08:54 +0000
              Re: Clever hack or code abomination? Chris Angelico <rosuav@gmail.com> - 2011-12-02 20:16 +1100
  Re: Clever hack or code abomination? Terry Reedy <tjreedy@udel.edu> - 2011-12-01 21:49 -0500
  Re: Clever hack or code abomination? Matt Joiner <anacrolix@gmail.com> - 2011-12-02 16:11 +1100
  Re: Clever hack or code abomination? Chris Hulan <chris.hulan@gmail.com> - 2011-12-02 09:20 -0800

csiph-web