Path: csiph.com!usenet.pasdenom.info!weretis.net!feeder4.news.weretis.net!rt.uk.eu.org!newsfeed.xs4all.nl!newsfeed2.news.xs4all.nl!xs4all!post.news.xs4all.nl!not-for-mail
Return-Path: <python.list@tim.thechases.com>
X-Original-To: python-list@python.org
Delivered-To: python-list@mail.python.org
X-Spam-Status: OK 0.002
X-Spam-Evidence: '*H*': 1.00; '*S*': 0.00; 'scripts': 0.03; 'argument': 0.05; 'lines.': 0.09; 'optparse': 0.09; 'override': 0.09; 'parsing': 0.09; 'scripts,': 0.09; 'subject:Why': 0.09; 'subject:module': 0.09; '-tkc': 0.16; 'cmd': 0.16; 'from:addr:python.list': 0.16; 'from:addr:tim.thechases.com': 0.16; 'from:name:tim chase': 0.16; 'libraries.': 0.16; "method's": 0.16; 'simpson': 0.16; 'subclass': 0.16; 'subject:argparse': 0.16; 'exception': 0.16; 'wrote:': 0.18; 'all,': 0.19; 'command': 0.22; 'parse': 0.24; "shouldn't": 0.24; 'header:In-Reply-To:1': 0.27; 'raise': 0.29; "i'm": 0.30; 'work.': 0.31; 'gives': 0.31; 'code': 0.31; 'invoke': 0.31; 'beginning': 0.33; 'older': 0.33; 'subject:the': 0.34; 'add': 0.35; 'combination': 0.36; 'charset :us-ascii': 0.36; 'subject:?': 0.36; 'behind': 0.37; 'too': 0.37; 'to:addr:python-list': 0.38; 'ability': 0.39; 'to:addr:python.org': 0.39; 'feeling': 0.68; 'default': 0.69; 'special': 0.74; 'behavior': 0.77; 'ethan': 0.84; 'furman': 0.84; 'received:50.22': 0.84; 'shell,': 0.91; 'choice.': 0.93
Date: Thu, 27 Jun 2013 19:22:21 -0500
From: Tim Chase <python.list@tim.thechases.com>
To: python-list@python.org
Subject: Re: Why is the argparse module so inflexible?
In-Reply-To: <20130627230213.GA22992@cskk.homeip.net>
References: <51CC897E.5000702@stoneleaf.us> <20130627230213.GA22992@cskk.homeip.net>
X-Mailer: Claws Mail 3.8.1 (GTK+ 2.24.10; x86_64-pc-linux-gnu)
Mime-Version: 1.0
Content-Type: text/plain; charset=US-ASCII
Content-Transfer-Encoding: 7bit
X-AntiAbuse: This header was added to track abuse, please include it with any abuse report
X-AntiAbuse: Primary Hostname - boston.accountservergroup.com
X-AntiAbuse: Original Domain - python.org
X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12]
X-AntiAbuse: Sender Address Domain - tim.thechases.com
X-BeenThere: python-list@python.org
X-Mailman-Version: 2.1.15
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.3946.1372378844.3114.python-list@python.org>
Lines: 25
NNTP-Posting-Host: 2001:888:2000:d::a6
X-Trace: 1372378844 news.xs4all.nl 15874 [2001:888:2000:d::a6]:49308
X-Complaints-To: abuse@xs4all.nl
Xref: csiph.com comp.lang.python:49354

On 2013-06-28 09:02, Cameron Simpson wrote:
> On 27Jun2013 11:50, Ethan Furman <ethan@stoneleaf.us> wrote:
> | If the OP is writing an interactive shell, shouldn't `cmd` be used
> | instead of `argparse`?  argparse is, after all, intended for
> | argument parsing of command line scripts, not for interactive
> work.
> 
> I invoke command line scripts interactively. There's no special
> case here.
> 
> To add to the use case stats, I also subclass cmd and parse
> interactive command lines. I'm beginning to be pleased I'm still
> using Getopt for that instead of feeling I'm lagging behind the
> times.

I too have several small utilities that use a combination of cmd.Cmd,
shlex.shlex(), and command-processing libraries.  However, much like
Cameron's code using getopt, my older code is still using optparse
which gives me the ability to override the error() method's default
sys.exit() behavior and instead raise the exception of your choice.

-tkc