Path: csiph.com!usenet.pasdenom.info!aioe.org!news.stack.nl!newsfeed.xs4all.nl!newsfeed1.news.xs4all.nl!xs4all!newsgate.cistron.nl!newsgate.news.xs4all.nl!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 0.002 X-Spam-Evidence: '*H*': 1.00; '*S*': 0.00; '"this': 0.03; 'received:80.91': 0.09; 'received:80.91.229': 0.09; 'received:gmane.org': 0.09; 'received:list': 0.09; 'subject:Why': 0.09; 'mailman': 0.10; 'jan': 0.12; 'archive': 0.14; 'changes': 0.15; 'basename': 0.16; "deleted'": 0.16; 'placeholder': 0.16; 'received:80.91.229.3': 0.16; 'received:plane.gmane.org': 0.16; 'reedy': 0.16; 'underlying': 0.16; 'wrote:': 0.18; 'file,': 0.19; 'numerical': 0.19; 'things.': 0.19; 'appears': 0.22; 'header:User- Agent:1': 0.23; 'issue,': 0.24; 'skip': 0.24; 'posts': 0.26; 'post': 0.26; 'least': 0.26; 'gets': 0.27; 'header:X-Complaints- To:1': 0.27; 'header:In-Reply-To:1': 0.27; 'idea': 0.28; 'point': 0.28; 'am,': 0.29; 'change,': 0.30; 'that.': 0.31; 'maybe': 0.34; 'subject:the': 0.34; 'could': 0.34; 'problem': 0.35; 'but': 0.35; 'there': 0.35; 'done,': 0.36; 'much.': 0.36; 'web,': 0.36; 'subject:?': 0.36; 'should': 0.36; 'list': 0.37; 'email addr:python.org': 0.37; 'to:addr:python-list': 0.38; 'legitimate': 0.39; 'to:addr:python.org': 0.39; 'changed': 0.39; 'received:org': 0.40; 'then,': 0.60; 'skip:n 10': 0.64; 'subject': 0.69; 'received:fios.verizon.net': 0.84; 'subject:here': 0.84; 'archive.': 0.93; 'received:108': 0.93 X-Injected-Via-Gmane: http://gmane.org/ To: python-list@python.org From: Terry Reedy Subject: Re: Why do the URLs of posts here change? Date: Sat, 10 Jan 2015 04:41:49 -0500 References: <54afb3ed$0$12995$c3e8da3$5496439d@news.astraweb.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-Gmane-NNTP-Posting-Host: pool-108-16-203-145.phlapa.fios.verizon.net User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:31.0) Gecko/20100101 Thunderbird/31.3.0 In-Reply-To: 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: 27 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1420883105 news.xs4all.nl 2930 [2001:888:2000:d::a6]:49523 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:83497 On 1/9/2015 7:04 AM, Skip Montanaro wrote: >> Posts on this newsgroup/mailing list are archived on the web, but the URLs >> seem to change, which leaves dead links if you search for things. > > Steven, > > It's a known issue, but one which appears to be somewhat unavoidable, > at least in Mailman 2.x. The problem is that every now and then, > postmaster@python.org gets a legitimate request from someone for a > message to be deleted from the list archive. The way this is done, is > that the message is removed from the underlying mbox file, The post could be replaced by a placeholder "This message deleted' and the > archive regenerated. That changes the counter for every message after A placeholder should avoid that. > that point - or maybe every message in the generated archive. (I have > no idea why the numerical basename of your subject message would have > changed so much. Maybe there is just a single ever incrementing > counter for a given Mailman installation.) -- Terry Jan Reedy