Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > comp.lang.python > #32596

Re: Organisation of python classes and their methods

Path csiph.com!usenet.pasdenom.info!news.albasani.net!feeder.erje.net!eu.feeder.erje.net!newsfeed.xs4all.nl!newsfeed6.news.xs4all.nl!xs4all!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 0.001
X-Spam-Evidence '*H*': 1.00; '*S*': 0.00; 'class,': 0.07; 'classes.': 0.07; 'cure': 0.07; 'problem?': 0.07; 'python': 0.09; 'received:80.91': 0.09; 'received:80.91.229': 0.09; 'received:gmane.org': 0.09; 'received:list': 0.09; 'looked': 0.10; 'subject:python': 0.11; 'file,': 0.15; 'googled': 0.16; 'received:80.91.229.3': 0.16; 'received:dip.t-dialin.net': 0.16; 'received:plane.gmane.org': 0.16; 'received:t-dialin.net': 0.16; 'subject:their': 0.16; 'martin': 0.16; 'wrote:': 0.17; 'module': 0.19; 'code.': 0.20; "i'd": 0.22; "haven't": 0.23; 'header:User- Agent:1': 0.26; "doesn't": 0.28; 'header:X-Complaints-To:1': 0.28; 'lines': 0.28; 'this?': 0.28; 'trouble': 0.28; 'long.': 0.29; 'piece': 0.29; 'source': 0.29; 'class': 0.29; "i'm": 0.29; 'classes': 0.30; 'usually': 0.30; 'sense': 0.31; 'code': 0.31; 'file': 0.32; 'google,': 0.32; 'operate': 0.32; 'belong': 0.33; 'instances': 0.33; 'to:addr:python-list': 0.33; 'project': 0.34; 'clear': 0.35; 'so,': 0.35; 'there': 0.35; 'received:org': 0.36; 'really': 0.36; 'but': 0.36; 'alone': 0.36; 'modules': 0.36; "didn't": 0.36; 'method': 0.36; 'editor': 0.37; 'data': 0.37; 'subject:: ': 0.38; 'files': 0.38; 'to:addr:python.org': 0.39; 'list,': 0.39; 'little': 0.39; 'header:Received:5': 0.40; 'bring': 0.62; 'relatively': 0.62; 'organisation': 0.65; 'dear': 0.66; 'analysis': 0.70; 'seriously,': 0.91; 'many,': 0.93
X-Injected-Via-Gmane http://gmane.org/
To python-list@python.org
From Peter Otten <__peter__@web.de>
Subject Re: Organisation of python classes and their methods
Date Fri, 02 Nov 2012 09:00:39 +0100
Organization None
References <B16BD7AC-F860-4A30-A08D-A0235CC25F20@mac.com>
Mime-Version 1.0
Content-Type text/plain; charset="ISO-8859-1"
Content-Transfer-Encoding 7Bit
X-Gmane-NNTP-Posting-Host p50849249.dip.t-dialin.net
User-Agent KNode/4.7.3
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.3179.1351843247.27098.python-list@python.org> (permalink)
Lines 27
NNTP-Posting-Host 2001:888:2000:d::a6
X-Trace 1351843247 news.xs4all.nl 6922 [2001:888:2000:d::a6]:46479
X-Complaints-To abuse@xs4all.nl
Xref csiph.com comp.lang.python:32596

Show key headers only | View raw


Martin Hewitson wrote:

> Dear list,
> 
> I'm relatively new to Python and have googled and googled but haven't
> found a reasonable answer to this question, so I thought I'd ask it here.
> 
> I'm beginning a large Python project which contains many packages, modules
> and classes. The organisation of those is clear to me.
> 
> Now, the classes can contain many methods (100s of data analysis methods)
> which operate on instances of the class they belong to. These methods can
> be long and complex. So if I put these methods all in the module file
> inside the class, the file will get insanely long. Reading on google, the
> answer is usually "refactor", but that really doesn't make sense here.
> It's just that the methods are many, and each method can be a long piece
> of code. So, is there a way to put these methods in their own files and
> have them 'included' in the class somehow? I read a little about mixins
> but all the solutions looked very hacky. Is there an official python way
> to do this? I don't like having source files with 100's of lines of code
> in, let alone 1000's.

You googled, found the right answer ("refactor"), didn't like it and are now 
looking to cure the symptoms of the original problem?
Seriously, a good editor can deal with a long source file, but a class with 
hundreds of methods will bring trouble to any old brain.

Back to comp.lang.python | Previous | Next | Find similar | Unroll thread


Thread

Re: Organisation of python classes and their methods Peter Otten <__peter__@web.de> - 2012-11-02 09:00 +0100

csiph-web