Path: csiph.com!x330-a1.tempe.blueboxinc.net!newsfeed.hal-mli.net!feeder3.hal-mli.net!newsfeed.hal-mli.net!feeder1.hal-mli.net!news.stack.nl!newsfeed.xs4all.nl!newsfeed5.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 0.114 X-Spam-Level: * X-Spam-Evidence: '*H*': 0.77; '*S*': 0.00; 'suppose': 0.05; 'exception': 0.12; 'block,': 0.16; 'semantically': 0.16; 'subject:syntax': 0.16; 'tuples,': 0.16; 'why,': 0.16; 'subject:question': 0.16; 'wrote:': 0.16; 'jan': 0.19; 'header:In- Reply-To:1': 0.22; "shouldn't": 0.23; 'pm,': 0.26; "i'm": 0.27; 'list"': 0.30; 'x-mailer:apple mail (2.1084)': 0.30; 'to:addr :python-list': 0.33; 'match': 0.33; 'wondering': 0.34; 'latter': 0.34; 'opposed': 0.36; 'charset:us-ascii': 0.36; 'but': 0.37; 'why': 0.39; 'except': 0.39; 'sense': 0.39; 'subject:: ': 0.39; 'to:addr:python.org': 0.40; 'type': 0.60; 'types': 0.61; 'more': 0.61; 'header:Message-Id:1': 0.62; 'aaron': 0.67; 'charles': 0.67; '30,': 0.74; '12:56': 0.84; '2012,': 0.84; 'received:64.191': 0.84; 'lists:': 0.91 Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Apple Message framework v1084) Subject: Re: except clause syntax question From: Charles Yeomans In-Reply-To: <4F26D9C7.6020109@gmail.com> Date: Mon, 30 Jan 2012 13:56:07 -0500 Content-Transfer-Encoding: quoted-printable References: <4F26D9C7.6020109@gmail.com> To: Python X-Mailer: Apple Mail (2.1084) X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.12 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: 1327949774 news.xs4all.nl 6890 [2001:888:2000:d::a6]:48178 X-Complaints-To: abuse@xs4all.nl Xref: x330-a1.tempe.blueboxinc.net comp.lang.python:19608 On Jan 30, 2012, at 12:56 PM, Aaron wrote: > On 01/30/2012 06:41 PM, Charles Yeomans wrote: >> To catch more than one exception type in an except block, one writes >>=20 >> except (A, B, C) as e: >>=20 >> I'm wondering why it was decided to match tuples, but not lists: >>=20 >> except [A, B, C] as e: >>=20 >> The latter makes more sense semantically to me -- "catch all = exception types in a list" as opposed to "catch this single thing = composed of three exception types". >>=20 >>=20 >> Charles Yeomans >>=20 >>=20 >=20 > Then, semantically, shouldn't it be a set? Why, I suppose that would make even more sense. Charles Yeomans=