Path: csiph.com!usenet.pasdenom.info!aioe.org!news.stack.nl!newsfeed.xs4all.nl!newsfeed4a.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 0.003 X-Spam-Evidence: '*H*': 0.99; '*S*': 0.00; 'else:': 0.03; 'from:addr:ethan': 0.09; 'from:addr:stoneleaf.us': 0.09; 'from:name:ethan furman': 0.09; 'if,': 0.09; 'logic': 0.09; 'message-id:@stoneleaf.us': 0.09; 'pep': 0.09; '~ethan~': 0.09; 'def': 0.12; 'books': 0.15; 'be:': 0.16; 'docstring': 0.16; "function's": 0.16; "method's": 0.16; 'received:70.85.130': 0.16; 'roy': 0.16; 'wrote:': 0.18; 'command': 0.22; 'header:User- Agent:1': 0.23; "shouldn't": 0.24; 'header:In-Reply-To:1': 0.27; 'am,': 0.29; "i'm": 0.30; 'documenting': 0.31; 'such.': 0.31; 'class': 0.32; 'described': 0.36; 'charset:us-ascii': 0.36; 'should': 0.36; 'behind': 0.37; 'to:addr:python-list': 0.38; 'to:addr:python.org': 0.39; 'received:173': 0.61; 'air': 0.66; 'smith': 0.68; 'article': 0.77; '257': 0.84; 'performs.': 0.84; 'hand,': 0.93; 'hot': 0.96 Date: Sun, 09 Feb 2014 09:53:27 -0800 From: Ethan Furman User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:16.0) Gecko/20121010 Thunderbird/16.0.1 MIME-Version: 1.0 To: python-list@python.org Subject: Re: imperative mood in docstrings References: In-Reply-To: Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - gator3304.hostgator.com X-AntiAbuse: Original Domain - python.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - stoneleaf.us X-BWhitelist: no X-Source-IP: 173.12.184.233 X-Source: X-Source-Args: X-Source-Dir: X-Source-Sender: ([173.12.184.233]) [173.12.184.233]:52744 X-Source-Auth: ethan+stoneleaf.us X-Email-Count: 1 X-Source-Cap: dG9idWs7dG9idWs7Z2F0b3IzMzA0Lmhvc3RnYXRvci5jb20= X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.15 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: 35 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1391969791 news.xs4all.nl 2862 [2001:888:2000:d::a6]:44217 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:65776 On 02/09/2014 08:52 AM, Roy Smith wrote: > In article , > bagrat lazaryan wrote: > >> pep 257 -- docstring conventions, as well as a myriad of books and other >> resources, recommend documenting a function's or method's effect as a command >> ("do this", "return that"), not as a description ("does this", "returns >> that"). what's the logic behind this recommendation? >> >> bagratte > > Methods are verbs, and should be described as such. If I had: > > class Sheep: > def fly(self): > "Plummet to the ground." > > I'm defining the action the verb performs. If, on the other hand, I had: Shouldn't that be: class Pig: def fly(self): "Soar gracefully through the air if a hot place is very cold." if hell is frozen: self.sprout_wings() self.altitude += 10 self.velocity += 25 else: self.splat() ;) -- ~Ethan~