Path: csiph.com!v102.xanadu-bbs.net!xanadu-bbs.net!feeder.erje.net!eu.feeder.erje.net!feeds.phibee-telecom.net!newsfeed.xs4all.nl!newsfeed1.news.xs4all.nl!xs4all!post.news.xs4all.nl!not-for-mail
Return-Path: <cameron@cskk.homeip.net>
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; ';-)': 0.03; 'jeff': 0.04; 'assign': 0.07; '__name__': 0.09; 'debugging.': 0.09; 'subject:method': 0.09; 'def': 0.12; '(lambda': 0.16; 'attribute,': 0.16; 'foo():': 0.16; 'from:addr:cs': 0.16; 'from:addr:zip.com.au': 0.16; 'from:name:cameron simpson': 0.16; 'llama': 0.16; 'mapped': 0.16; 'message-id:@cskk.homeip.net': 0.16; 'received:211.29': 0.16; 'received:211.29.132': 0.16; 'received:cskk.homeip.net': 0.16; 'received:homeip.net': 0.16; 'received:optusnet.com.au': 0.16; 'received:syd.optusnet.com.au': 0.16; 'simpson': 0.16; 'wrote:': 0.18; '>>>': 0.22; 'header:User- Agent:1': 0.23; 'documented': 0.24; "i've": 0.25; 'pass': 0.26; 'subject:/': 0.26; 'defined': 0.27; 'header:In-Reply-To:1': 0.27; 'tim': 0.29; 'ride': 0.30; 'chase': 0.31; 'cases': 0.33; 'table': 0.34; 'subject:the': 0.34; 'received:com.au': 0.36; 'doing': 0.36; 'charset:us-ascii': 0.36; 'received:211': 0.38; 'to:addr:python- list': 0.38; 'subject:" ': 0.39; 'to:addr:python.org': 0.39; 'even': 0.60; 'content-disposition:inline': 0.62; 'name': 0.63; 'as:': 0.81; '"".': 0.84; "'foo'": 0.84; 'alone.': 0.84; 'batchelder': 0.84
Date: Mon, 18 Nov 2013 11:19:35 +1100
From: Cameron Simpson <cs@zip.com.au>
To: python-list@python.org
Subject: Re: Obtaining "the" name of a function/method
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20131117134726.5fef18ca@bigbox.christie.dr>
User-Agent: Mutt/1.5.21 (2010-09-15)
References: <20131117134726.5fef18ca@bigbox.christie.dr>
X-Optus-CM-Score: 0
X-Optus-CM-Analysis: v=2.1 cv=bpB1Wiqi c=1 sm=1 tr=0 a=YuQlxtEQCowy2cfE5kc7TA==:117 a=YuQlxtEQCowy2cfE5kc7TA==:17 a=ZtCCktOnAAAA:8 a=PO7r1zJSAAAA:8 a=LcaDllckn3IA:10 a=3cVPL3iCLZkA:10 a=kj9zAlcOel0A:10 a=vrnE16BAAAAA:8 a=8AHkEIZyAAAA:8 a=dcuPJXOhDUUA:10 a=8uR6FKqcAAAA:8 a=0thQQEepAAAA:8 a=QeXVSe4XPbvEBS0e2E4A:9 a=CjuIK1q_8ugA:10
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.2810.1384733986.18130.python-list@python.org>
Lines: 29
NNTP-Posting-Host: 2001:888:2000:d::a6
X-Trace: 1384733986 news.xs4all.nl 15969 [2001:888:2000:d::a6]:39830
X-Complaints-To: abuse@xs4all.nl
Xref: csiph.com comp.lang.python:59817

On 17Nov2013 13:47, Tim Chase <python.list@tim.thechases.com> wrote:
> On 2013-11-17 11:34, Ned Batchelder wrote:
> > Functions have a __name__ attribute, which is the name they were
> > defined as:
> > 
> >     >>> def foo(): pass  
> >     ...
> >     >>> foo.__name__  
> >     'foo'
> >     >>> bar = foo
> >     >>> bar.__name__  
> >     'foo'
> 
> which they have even in less-than-useful situations:
> 
>   (lambda s: s.lower()).__name__
> 
> accurately returns that its name is "<lambda>".  So you get what you
> pay for ;-)

Also, it is documented that you may assign to __name__.

I've started doing that in a few cases where I have a table of lambdas mapped
by operation names; I've started labelling the lambdas to get better debugging.
-- 
Cameron Simpson <cs@zip.com.au>

Ride with a llama and you never ride alone.
        - Jeff Earls, DoD #0530, <jearls@tekig6.pen.tek.com>