January 2010 - Zope-Dev

release and upload zope.app.pagetemplate to pypi
by Jan-Wijbrand Kolman 04 Jan '10

04 Jan '10

hello, Would any of the owners of zope.app.pagetemplate be so kind to upload (or let me upload) a new version of zope.app.pagetemplate? This will allow me to fix and release zope.app.exception. regards, jw

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Zope Tests: 6 OK
by Zope Tests Summarizer 04 Jan '10

04 Jan '10

Summary of messages to the zope-tests list. Period Sun Jan 3 12:00:00 2010 UTC to Mon Jan 4 12:00:00 2010 UTC. There were 6 messages: 6 from Zope Tests. Tests passed OK --------------- Subject: OK : Zope-2.10 Python-2.4.6 : Linux From: Zope Tests Date: Sun Jan 3 20:37:53 EST 2010 URL: http://mail.zope.org/pipermail/zope-tests/2010-January/013317.html Subject: OK : Zope-2.11 Python-2.4.6 : Linux From: Zope Tests Date: Sun Jan 3 20:39:53 EST 2010 URL: http://mail.zope.org/pipermail/zope-tests/2010-January/013318.html Subject: OK : Zope-2.12 Python-2.6.4 : Linux From: Zope Tests Date: Sun Jan 3 20:41:53 EST 2010 URL: http://mail.zope.org/pipermail/zope-tests/2010-January/013319.html Subject: OK : Zope-2.12-alltests Python-2.6.4 : Linux From: Zope Tests Date: Sun Jan 3 20:43:53 EST 2010 URL: http://mail.zope.org/pipermail/zope-tests/2010-January/013320.html Subject: OK : Zope-trunk Python-2.6.4 : Linux From: Zope Tests Date: Sun Jan 3 20:45:53 EST 2010 URL: http://mail.zope.org/pipermail/zope-tests/2010-January/013321.html Subject: OK : Zope-trunk-alltests Python-2.6.4 : Linux From: Zope Tests Date: Sun Jan 3 20:47:53 EST 2010 URL: http://mail.zope.org/pipermail/zope-tests/2010-January/013322.html

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shrinking the ZTK: what happened (my perspective)
by Martijn Faassen 04 Jan '10

04 Jan '10

Hi there, This is a summary of the previous discussions for those who weren't paying attention last week and don't want to read a huge thread coming back from vacations. I'm talking about you in particular, other steering group members. I'll spread it out over multiple short mails. So what happened? Hanno reduced the ZTK to a set of just zope.* packages. He removed the zope.app packages from the ZTK. I was happy with losing zope.app, but not the way the zope.app packages were just unceremoniously removed from the ZTK without discussion. I didn't like the way that was done, so I reverted Hanno's change and added the packages back to the ZTK trunk. I objected because of backwards compatibility concerns. Version information was being lost that was being maintained before. This information would be useful in both upgrading Zope 3 and Grok applications to the ZTK. (and I thought Zope 2 too at the time, but it is less of an issue there) People responded in various ways: * the ZTK isn't released yet and a discontinuity so there are no backwards compatibility concerns we need to care about. * people maintaining Zope 3 or Grok applications, or the developers of these frameworks, should figure this out for themselves. I responded that if the ZTK wants users it should help people cross the gap to it. That the ZTK has some responsibility to the transition from the past. Nobody seemed to feel that these arguments weighed very heavily. Since I'm writing this summary, I'm of course still right. :) Let me put that in other words: I believe have a legitimate concern that we could have solved pretty easily if we all weren't too busy trying to make points and being disgruntled. Next, a point about what went wrong in the discussion. That's a meta-discussion, which are dangerous, but I think also valuable to a community like ours in transition. Regards, Martijn

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zope.testing 3.8.6 emits deprecation warnings from itself?
by Chris Withers 03 Jan '10

03 Jan '10

Hi, I hate DeprecationWarnings at the best of times, since no one actually does anything about them until whatever they're bleating about is actually gone anyway, but zope.testing has outdone itself. Whoever introduced that warning, if you're going to do so, please solve any problems with code in the actual package itself before releasing. zope.testing.testrunner.debug imports doctest from zope.testing and so bleats whenever tests are run with zope.testing 3.8.6. Why was 3.8.6 released when it still emits these warnings itself? Chris -- Simplistix - Content Management, Batch Processing & Python Consulting - http://www.simplistix.co.uk

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Zope Tests: 6 OK
by Zope Tests Summarizer 03 Jan '10

03 Jan '10

Summary of messages to the zope-tests list. Period Sat Jan 2 12:00:00 2010 UTC to Sun Jan 3 12:00:00 2010 UTC. There were 6 messages: 6 from Zope Tests. Tests passed OK --------------- Subject: OK : Zope-2.10 Python-2.4.6 : Linux From: Zope Tests Date: Sat Jan 2 20:38:00 EST 2010 URL: http://mail.zope.org/pipermail/zope-tests/2010-January/013311.html Subject: OK : Zope-2.11 Python-2.4.6 : Linux From: Zope Tests Date: Sat Jan 2 20:40:00 EST 2010 URL: http://mail.zope.org/pipermail/zope-tests/2010-January/013312.html Subject: OK : Zope-2.12 Python-2.6.4 : Linux From: Zope Tests Date: Sat Jan 2 20:42:00 EST 2010 URL: http://mail.zope.org/pipermail/zope-tests/2010-January/013313.html Subject: OK : Zope-2.12-alltests Python-2.6.4 : Linux From: Zope Tests Date: Sat Jan 2 20:44:00 EST 2010 URL: http://mail.zope.org/pipermail/zope-tests/2010-January/013314.html Subject: OK : Zope-trunk Python-2.6.4 : Linux From: Zope Tests Date: Sat Jan 2 20:46:00 EST 2010 URL: http://mail.zope.org/pipermail/zope-tests/2010-January/013315.html Subject: OK : Zope-trunk-alltests Python-2.6.4 : Linux From: Zope Tests Date: Sat Jan 2 20:48:00 EST 2010 URL: http://mail.zope.org/pipermail/zope-tests/2010-January/013316.html

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Zope Tests: 6 OK
by Zope Tests Summarizer 02 Jan '10

02 Jan '10

Summary of messages to the zope-tests list. Period Fri Jan 1 12:00:00 2010 UTC to Sat Jan 2 12:00:00 2010 UTC. There were 6 messages: 6 from Zope Tests. Tests passed OK --------------- Subject: OK : Zope-2.10 Python-2.4.6 : Linux From: Zope Tests Date: Fri Jan 1 20:37:05 EST 2010 URL: http://mail.zope.org/pipermail/zope-tests/2010-January/013305.html Subject: OK : Zope-2.11 Python-2.4.6 : Linux From: Zope Tests Date: Fri Jan 1 20:39:05 EST 2010 URL: http://mail.zope.org/pipermail/zope-tests/2010-January/013306.html Subject: OK : Zope-2.12 Python-2.6.4 : Linux From: Zope Tests Date: Fri Jan 1 20:41:06 EST 2010 URL: http://mail.zope.org/pipermail/zope-tests/2010-January/013307.html Subject: OK : Zope-2.12-alltests Python-2.6.4 : Linux From: Zope Tests Date: Fri Jan 1 20:43:06 EST 2010 URL: http://mail.zope.org/pipermail/zope-tests/2010-January/013308.html Subject: OK : Zope-trunk Python-2.6.4 : Linux From: Zope Tests Date: Fri Jan 1 20:45:06 EST 2010 URL: http://mail.zope.org/pipermail/zope-tests/2010-January/013309.html Subject: OK : Zope-trunk-alltests Python-2.6.4 : Linux From: Zope Tests Date: Fri Jan 1 20:47:06 EST 2010 URL: http://mail.zope.org/pipermail/zope-tests/2010-January/013310.html

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Zope3 and Generic Functions
by Paul Wilson 02 Jan '10

02 Jan '10

Hi there, I've been really getting my head around Zope3 and adaption lately for a talk for my local Python usergroup. I've read quite a bit on the topic, but of particular interest was the adapter vs. generic function debate that's been doing the rounds over the last few years. See Guido van Rossum's article here: http://www.artima.com/weblogs/viewpost.jsp?thread=155123 where he concludes that generic functions are more general and useful. Further, we have Ian Bicking's Zope 3 critique where, he argues that generic functions are generally better and Martijn Faassen's comment: "I agree by the way that generic methods are interesting and we should be investigating how they fit in a Zope 3 context." There is a clear relationship between the two, and after some brainstorming with Chris McDonough on the Zope IRC channel, I've been able to write an @generic(TypeA, TypeB, ... , TypeN) decorator that uses the Zope component registry to supply such behaviour. It's become clear to me that named multiadapters are essentially the same concept as generic functions, and in a Zope context, are actually more powerful because you can specify *interfaces* as well as concrete types as part of the function's type-signature: @generic(IFoo, IBar, TypeA, TypeB, ...). I don't know if this relationship is already known in the Zope world, and if people are already doing this? Is there any value in something like this? It's pretty 'deep' stuff, so I've written a tutorial (Chris's idea) that goes through the thought process towards writing the generic function decorator with Zope tools - please find attached. We think it might make a nice (supplementary) addition to upcoming zope.component narrative documentation (there is upcoming documentation... right?). To confirm the idea I wrote a basic little script too, which I've attached also. You can see that @generic works with types, interfaces or both - thanks to the zope.component machinery. Any thoughts would be great! Paul

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zope.testing.doctestunit pprint and deprecation warnings
by Martijn Faassen 01 Jan '10

01 Jan '10

Hi there, zope.testing.doctestunit emits a deprecation warning. It also defines a function pprint. How does one use pprint without getting a deprecation warning? It seems impossible now, and an equivalent pprint doesn't appear to be in the standard library doctest.. Regards, Martijn

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Zope Tests: 6 OK
by Zope Tests Summarizer 01 Jan '10

01 Jan '10

Summary of messages to the zope-tests list. Period Thu Dec 31 12:00:00 2009 UTC to Fri Jan 1 12:00:00 2010 UTC. There were 6 messages: 6 from Zope Tests. Tests passed OK --------------- Subject: OK : Zope-2.10 Python-2.4.6 : Linux From: Zope Tests Date: Thu Dec 31 20:36:52 EST 2009 URL: http://mail.zope.org/pipermail/zope-tests/2009-December/013299.html Subject: OK : Zope-2.11 Python-2.4.6 : Linux From: Zope Tests Date: Thu Dec 31 20:38:52 EST 2009 URL: http://mail.zope.org/pipermail/zope-tests/2009-December/013300.html Subject: OK : Zope-2.12 Python-2.6.4 : Linux From: Zope Tests Date: Thu Dec 31 20:40:52 EST 2009 URL: http://mail.zope.org/pipermail/zope-tests/2009-December/013301.html Subject: OK : Zope-2.12-alltests Python-2.6.4 : Linux From: Zope Tests Date: Thu Dec 31 20:42:52 EST 2009 URL: http://mail.zope.org/pipermail/zope-tests/2009-December/013302.html Subject: OK : Zope-trunk Python-2.6.4 : Linux From: Zope Tests Date: Thu Dec 31 20:44:52 EST 2009 URL: http://mail.zope.org/pipermail/zope-tests/2009-December/013303.html Subject: OK : Zope-trunk-alltests Python-2.6.4 : Linux From: Zope Tests Date: Thu Dec 31 20:46:52 EST 2009 URL: http://mail.zope.org/pipermail/zope-tests/2009-December/013304.html

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