Path: csiph.com!usenet.pasdenom.info!weretis.net!feeder4.news.weretis.net!ecngs!feeder2.ecngs.de!newsfeeder.ewetel.de!newsfeed.xs4all.nl!newsfeed6.news.xs4all.nl!xs4all!post.news.xs4all.nl!not-for-mail
Return-Path: <prvs=411b6815e=jeanmichel@sequans.com>
X-Original-To: python-list@python.org
Delivered-To: python-list@mail.python.org
X-Spam-Status: OK 0.021
X-Spam-Evidence: '*H*': 0.96; '*S*': 0.00; 'preferably': 0.03; 'rules.': 0.07; 'python': 0.08; 'both.': 0.16; 'cc:addr:python- list': 0.16; 'wrote:': 0.18; "they've": 0.18; 'cc:no real name:2**0': 0.21; "aren't": 0.21; 'header:In-Reply-To:1': 0.22; 'wonder': 0.23; 'preferred': 0.25; 'cc:2**0': 0.26; 'raise': 0.28; 'version,': 0.28; "i'm": 0.28; 'class': 0.29; 'print': 0.29; 'cc:addr:python.org': 0.29; 'cases': 0.32; "i've": 0.32; 'break': 0.32; 'there': 0.33; 'header:User-Agent:1': 0.33; 'it."': 0.34; 'try:': 0.34; '...': 0.35; 'form,': 0.35; 'enough': 0.38; 'should': 0.38; 'except': 0.39; 'special': 0.66; 'fulfils': 0.84; 'it"': 0.84; 'zen': 0.84
X-IronPort-AV: E=Sophos;i="4.73,570,1325458800"; d="scan'208";a="233094"
X-Virus-Scanned: amavisd-new at zimbra.sequans.com
Date: Mon, 12 Mar 2012 11:37:48 +0100
From: Jean-Michel Pichavant <jeanmichel@sequans.com>
User-Agent: Mozilla-Thunderbird 2.0.0.24 (X11/20100328)
MIME-Version: 1.0
To: bvdp <bob@mellowood.ca>
Subject: Re: Raise X or Raise X()?
References: <387014.2537.1331492695725.JavaMail.geo-discussion-forums@pbjv6>
In-Reply-To: <387014.2537.1331492695725.JavaMail.geo-discussion-forums@pbjv6>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
Cc: python-list@python.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.583.1331548677.3037.python-list@python.org>
Lines: 24
NNTP-Posting-Host: 2001:888:2000:d::a6
X-Trace: 1331548677 news.xs4all.nl 6913 [2001:888:2000:d::a6]:49112
X-Complaints-To: abuse@xs4all.nl
Xref: csiph.com comp.lang.python:21527

bvdp wrote:
> Which is preferred in a raise: X or X()? I've seen both. In my specific case I'm dumping out of a deep loop:
>
> try:
>   for ...
>     for ...
>       for ...
>         if match:
>            raise StopInteration()
>          else ...
>
> except StopInteration:
>    print "found it"
>   

I prefer the raise X() version, it fulfils the zen of python :

"Special cases aren't special enough to break the rules.
There should be one-- and preferably only one --obvious way to do it."

I still wonder why they've added the class raise form, on which purpose.

JM