Path: csiph.com!v102.xanadu-bbs.net!xanadu-bbs.net!feeder.erje.net!eu.feeder.erje.net!newsfeed.xs4all.nl!newsfeed4.news.xs4all.nl!xs4all!newsgate.cistron.nl!newsgate.news.xs4all.nl!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 0.000
X-Spam-Evidence: '*H*': 1.00; '*S*': 0.00; '"""': 0.07; 'string': 0.09; 'alias': 0.09; 'ascii': 0.09; 'received:151': 0.09; 'received:80.91': 0.09; 'received:80.91.229': 0.09; 'received:gmane.org': 0.09; 'received:list': 0.09; 'subject:string': 0.09; 'willmer': 0.09; 'def': 0.12; 'emanuele': 0.16; 'received:80.91.229.3': 0.16; 'received:plane.gmane.org': 0.16; 'alex': 0.19; 'header:User-Agent:1': 0.23; 'byte': 0.24; 'unicode': 0.24; 'defined': 0.27; 'header:X-Complaints-To:1': 0.27; 'minor': 0.31; 'writes:': 0.31; 'but': 0.35; "didn't": 0.36; 'to:addr:python-list': 0.38; 'to:addr:python.org': 0.39; 'received:org': 0.40; 'access,': 0.60; 'che': 0.60; 'quando': 0.84
X-Injected-Via-Gmane: http://gmane.org/
To: python-list@python.org
From: Lele Gaifax <lele@metapensiero.it>
Subject: Re: Coding challenge: Optimise a custom string encoding
Date: Tue, 19 Aug 2014 12:00:45 +0200
Organization: Nautilus Entertainments
References: <6e869040-98e9-437b-b024-4ffe7abc3054@googlegroups.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: 8bit
X-Gmane-NNTP-Posting-Host: 151.62.28.218
User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3.93 (gnu/linux)
Cancel-Lock: sha1:XM4jpy0dUoY6cm4xAu4KEMBcjrY=
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: <https://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: <https://mail.python.org/mailman/listinfo/python-list>, <mailto:python-list-request@python.org?subject=subscribe>
Newsgroups: comp.lang.python
Message-ID: <mailman.13140.1408442459.18130.python-list@python.org>
Lines: 18
NNTP-Posting-Host: 2001:888:2000:d::a6
X-Trace: 1408442459 news.xs4all.nl 2916 [2001:888:2000:d::a6]:39979
X-Complaints-To: abuse@xs4all.nl
Xref: csiph.com comp.lang.python:76555

Alex Willmer <alex@moreati.org.uk> writes:

> def plus_encode(s):
>     """Encode a unicode string with only ascii letters, digits, _, -, @, +
>     """
>     bytemap_ = bytemap
>     s_utf8 = s.encode('utf-8')
>     return ''.join([bytemap[byte] for byte in s_utf8])

Minor nit: you defined a local alias for bytemap for faster access, but
didn't actually used it.

ciao, lele.
-- 
nickname: Lele Gaifax | Quando vivrò di quello che ho pensato ieri
real: Emanuele Gaifas | comincerò ad aver paura di chi mi copia.
lele@metapensiero.it  |                 -- Fortunato Depero, 1929.