Path: csiph.com!v102.xanadu-bbs.net!xanadu-bbs.net!feeder.erje.net!eu.feeder.erje.net!xlned.com!feeder3.xlned.com!newsfeed.xs4all.nl!newsfeed3.news.xs4all.nl!xs4all!post.news.xs4all.nl!not-for-mail
Return-Path: <python@mrabarnett.plus.com>
X-Original-To: python-list@python.org
Delivered-To: python-list@mail.python.org
X-Spam-Status: OK 0.029
X-Spam-Evidence: '*H*': 0.95; '*S*': 0.01; 'mrab': 0.05; '(python': 0.07; 'skip:u 30': 0.07; 'width': 0.09; '3):': 0.16; 'from:addr:mrabarnett.plus.com': 0.16; 'from:addr:python': 0.16; 'from:name:mrab': 0.16; 'message-id:@mrabarnett.plus.com': 0.16; 'neutral': 0.16; 'received:84.93': 0.16; 'received:84.93.230': 0.16; 'width.': 0.16; ':-)': 0.16; 'wrote:': 0.18; '>>>': 0.22; 'import': 0.22; 'header:User-Agent:1': 0.23; 'subject:/': 0.26; 'header:In-Reply-To:1': 0.27; 'character': 0.29; 'characters': 0.30; 'question:': 0.31; 'are:': 0.33; 'received:84': 0.35; 'possible': 0.36; 'depends': 0.38; 'to:addr:python-list': 0.38; 'to:addr:python.org': 0.39; 'skip:p 20': 0.39; 'how': 0.40; 'dave': 0.60; 'july': 0.63; 'header:Reply-To:1': 0.67; 'reply- to:no real name:2**0': 0.71; 'capital': 0.73; 'ambiguous': 0.84; 'reply-to:addr:python.org': 0.84; 'angel': 0.91; 'serious': 0.97; '2013': 0.98
X-CM-Score: 0.00
X-CNFS-Analysis: v=2.1 cv=RZapVTdv c=1 sm=1 tr=0 a=0nF1XD0wxitMEM03M9B4ZQ==:117 a=0nF1XD0wxitMEM03M9B4ZQ==:17 a=0Bzu9jTXAAAA:8 a=K2DDQYBT4xIA:10 a=u80fQ1bUu3EA:10 a=ihvODaAuJD4A:10 a=OUOv7kDek9cA:10 a=IkcTkHD0fZMA:10 a=EBOSESyhAAAA:8 a=8AHkEIZyAAAA:8 a=v3zk7EHNYBYA:10 a=MPa6gNbeUGZ5SbYScgoA:9 a=QEXdDO2ut3YA:10
X-AUTH: mrabarnett:2500
Date: Tue, 09 Jul 2013 00:32:00 +0100
From: MRAB <python@mrabarnett.plus.com>
User-Agent: Mozilla/5.0 (Windows NT 5.1; rv:17.0) Gecko/20130620 Thunderbird/17.0.7
MIME-Version: 1.0
To: python-list@python.org
Subject: Re: hex dump w/ or w/out utf-8 chars
References: <a35609c1-e56f-4180-8176-4405264da0a2@googlegroups.com> <7b6fc645-8bf3-4681-821c-38fb1fa1d191@googlegroups.com> <krf92j$p1t$1@ger.gmane.org> <51DB313C.4040701@mrabarnett.plus.com> <CAN1F8qX99hU91t-WKMuK-Pz2wShJsXNp3syxtU0gr-mJCPieig@mail.gmail.com>
In-Reply-To: <CAN1F8qX99hU91t-WKMuK-Pz2wShJsXNp3syxtU0gr-mJCPieig@mail.gmail.com>
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 8bit
X-BeenThere: python-list@python.org
X-Mailman-Version: 2.1.15
Precedence: list
Reply-To: python-list@python.org
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.4409.1373326299.3114.python-list@python.org>
Lines: 34
NNTP-Posting-Host: 2001:888:2000:d::a6
X-Trace: 1373326299 news.xs4all.nl 15939 [2001:888:2000:d::a6]:55449
X-Complaints-To: abuse@xs4all.nl
Xref: csiph.com comp.lang.python:50184

On 08/07/2013 23:02, Joshua Landau wrote:
> On 8 July 2013 22:38, MRAB <python@mrabarnett.plus.com> wrote:
>> On 08/07/2013 21:56, Dave Angel wrote:
>>> Characters do not have a width.
>>
>> [snip]
>>
>> It depends what you mean by "width"! :-)
>>
>> Try this (Python 3):
>>
>>>>> print("A\N{FULLWIDTH LATIN CAPITAL LETTER A}")
>> AＡ
>
> Serious question: How would one find the width of a character by that
> definition?
>
 >>> import unicodedata
 >>> unicodedata.east_asian_width("A")
'Na'
 >>> unicodedata.east_asian_width("\N{FULLWIDTH LATIN CAPITAL LETTER A}")
'F'

The possible widths are:

     N  = Neutral
     A  = Ambiguous
     H  = Halfwidth
     W  = Wide
     F  = Fullwidth
     Na = Narrow

All you then need to do is find out what those actually mean...