X-FeedAbuse: http://nntpfeed.proxad.net/abuse.pl feeded by 78.192.65.63 Path: csiph.com!usenet.pasdenom.info!nntpfeed.proxad.net!news.muarf.org!news.roellig-ltd.de!open-news-network.org!border2.nntp.ams1.giganews.com!nntp.giganews.com!newsfeed.xs4all.nl!newsfeed1.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 0.000 X-Spam-Evidence: '*H*': 1.00; '*S*': 0.00; 'python.': 0.02; 'url:pypi': 0.03; 'preferably': 0.05; 'subsequent': 0.05; 'buyers': 0.07; 'environments': 0.07; 'nicely': 0.07; 'versions.': 0.07; 'enormous': 0.09; 'obsolete': 0.09; 'received:80.91': 0.09; 'received:80.91.229': 0.09; 'received:gmane.org': 0.09; 'received:list': 0.09; 'python': 0.11; 'defacto': 0.16; 'finney': 0.16; 'for,': 0.16; 'incomplete': 0.16; 'received:80.91.229.3': 0.16; 'received:plane.gmane.org': 0.16; 'stuff,': 0.16; 'module': 0.19; 'trying': 0.19; 'community,': 0.19; 'later': 0.20; 'python?': 0.22; 'install': 0.23; 'header:User-Agent:1': 0.23; 'versions': 0.24; 'header:X-Complaints-To:1': 0.27; 'testing': 0.29; 'code': 0.31; 'kay': 0.31; 'writes:': 0.31; 'url:python': 0.33; 'community': 0.33; 'older': 0.33; 'standards': 0.33; 'actual': 0.34; "can't": 0.35; 'test': 0.35; 'but': 0.35; 'there': 0.35; 'version': 0.36; 'doing': 0.36; 'url:org': 0.36; 'behind': 0.37; 'ben': 0.38; 'convention': 0.38; 'work?': 0.38; 'to:addr :python-list': 0.38; 'issue': 0.38; 'that,': 0.38; 'bad': 0.39; 'flow': 0.39; 'to:addr:python.org': 0.39; 'received:org': 0.40; 'skip:u 10': 0.60; 'easy': 0.60; 'tell': 0.60; 'break': 0.61; 'entire': 0.61; 'today': 0.64; 'chance': 0.65; 'money': 0.72; 'isolated': 0.84; 'received:125': 0.84 X-Injected-Via-Gmane: http://gmane.org/ To: python-list@python.org From: Ben Finney Subject: Re: Updating a package on PyPi, testing and etiquette Date: Wed, 13 May 2015 08:35:02 +1000 References: Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Gmane-NNTP-Posting-Host: jigong.madmonks.org X-Public-Key-ID: 0xAC128405 X-Public-Key-Fingerprint: 517C F14B B2F3 98B0 CB35 4855 B8B2 4C06 AC12 8405 X-Public-Key-URL: http://www.benfinney.id.au/contact/bfinney-pubkey.asc X-Post-From: Ben Finney User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.4 (gnu/linux) Cancel-Lock: sha1:0Ywj0djE4eIccfSnES8wfY27mzI= X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.20+ 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: 31 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1431470123 news.xs4all.nl 2830 [2001:888:2000:d::a6]:37611 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:90502 Rob Gaddi writes: > A) Is there any easy way to test against an older version of Python? The convention today is to use Tox for testing one code base using multiple Python impleemntations, in a single test run. > Preferably without trying to install entire old environments and keep > them nicely isolated from my actual doing work? That's what Python virtualenv functionality is for, and Tox makes good use of it. This is well-trod ground. > B) If I can't manage that, what's the etiquette behind having later > versions of a module break compatibility with older versions of > Python. Consult your user community, tell them the issue (maintaining obsolete Python versions is a lot of effort), and incrementally drop support with subsequent versions. Give your user community a chance to upgrade their stuff, but also don't take on an unreasonable burden. Involve them in the process. -- \ “Don't be misled by the enormous flow of money into bad defacto | `\ standards for unsophisticated buyers using poor adaptations of | _o__) incomplete ideas.” —Alan Kay | Ben Finney