[Zope-dev] ZTK community packages

2010-04-25 Thread Christophe Combelles
Hi!

I believe packages such as z3c.form, z3c.macro, z3c.template, z3c.pagelet (and 
many others) are among the most important packages. I wonder why they are not 
included in the ZTK? I always end up using them, I believe they should even be 
part of the core ZTK.

If they are not part of the core, I would like them to be part of a 
*community.cfg* list. There already is a community.cfg list in BlueBream, but I 
don't like having many foobartoolkit in the wild, with many package lists to 
maintain. It's already difficult enough to maintain just 1 list for the 
zopetoolkit. Let's focus on it.

regards,
Christophe

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Re: [Zope-dev] ZTK community packages

2010-04-25 Thread Charlie Clark
Am 25.04.2010, 11:14 Uhr, schrieb Christophe Combelles :

> Hi!
> I believe packages such as z3c.form, z3c.macro, z3c.template,  
> z3c.pagelet (and
> many others) are among the most important packages. I wonder why they  
> are not
> included in the ZTK? I always end up using them, I believe they should  
> even be
> part of the core ZTK.
> If they are not part of the core, I would like them to be part of a
> *community.cfg* list. There already is a community.cfg list in  
> BlueBream, but I
> don't like having many foobartoolkit in the wild, with many package  
> lists to
> maintain. It's already difficult enough

I wonder how much is just to with the namespace (and possibly licence) and  
how much has to do with competing with other parts of the ZTK, ie.  
z3c.form with zope.formlib but only in the maintenance can be kept within  
the ZTK. But surely we want to reduce the number of packages in the ZTK?

Charlie
-- 
Charlie Clark
Managing Director
Clark Consulting & Research
German Office
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Düsseldorf
D- 40215
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Re: [Zope-dev] ZTK community packages

2010-04-25 Thread Hanno Schlichting
Hi.

On Sun, Apr 25, 2010 at 11:14 AM, Christophe Combelles  wrote:
> I believe packages such as z3c.form, z3c.macro, z3c.template, z3c.pagelet (and
> many others) are among the most important packages. I wonder why they are not
> included in the ZTK? I always end up using them, I believe they should even be
> part of the core ZTK.

We have written down some definition of what constitues a core library
at http://docs.zope.org/zopetoolkit/about/coreextra.html. That
document is outdated to some degree, and likely the "steering group"
should now be replaced by the "release team".

Nevertheless the criteria given in that document are still sensible in
my opinion. z3c.form might at some point become part of the ZTK. But
right now none of the major projects includes it in its core. The
other z3c libraries you mention, I have never heard of or wouldn't
know what they did. They sound to me related to a specific way of
constructing user interface related code. I think there's many
different approaches to that and only very few can claim to be used by
multiple of the major projects.

> If they are not part of the core, I would like them to be part of a
> *community.cfg* list. There already is a community.cfg list in BlueBream, but 
> I
> don't like having many foobartoolkit in the wild, with many package lists to
> maintain. It's already difficult enough to maintain just 1 list for the
> zopetoolkit. Let's focus on it.

What you are describing is similar to the idea of the "extra" concept
we have defined for the ZTK. It has at this stage no manifestation in
any code, version list or process around it.

At this stage I would prefer to focus on the ZTK as a
least-common-denominator of the major projects. And only if we are
actually able to agree on such a set, should we try to extend it. This
is going to be hard enough and extending the set of packages won't
make it any easier.

That doesn't mean you shouldn't go forward with your idea. I just like
to have it separate from the ZTK.

Hanno
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[Zope-dev] Zope Tests: 10 OK, 6 Failed

2010-04-25 Thread Zope Tests Summarizer
Summary of messages to the zope-tests list.
Period Sat Apr 24 12:00:00 2010 UTC to Sun Apr 25 12:00:00 2010 UTC.
There were 16 messages: 6 from Zope Tests, 9 from ccomb at free.fr, 1 from ct 
at gocept.com.


Test failures
-

Subject: FAILED: Repository policy check found errors in 670 projects
From: ct at gocept.com
Date: Sat Apr 24 21:16:22 EDT 2010
URL: http://mail.zope.org/pipermail/zope-tests/2010-April/014097.html

Subject: FAILED : ZTK 1.0dev / Python2.5.2 Linux 32bit
From: ccomb at free.fr
Date: Sat Apr 24 23:13:51 EDT 2010
URL: http://mail.zope.org/pipermail/zope-tests/2010-April/014108.html

Subject: FAILED : ZTK 1.0dev / Python2.4.6 Linux 32bit
From: ccomb at free.fr
Date: Sat Apr 24 23:14:22 EDT 2010
URL: http://mail.zope.org/pipermail/zope-tests/2010-April/014109.html

Subject: FAILED : ZTK 1.0dev / Python2.6.4 Linux 32bit
From: ccomb at free.fr
Date: Sat Apr 24 23:14:27 EDT 2010
URL: http://mail.zope.org/pipermail/zope-tests/2010-April/014110.html

Subject: FAILED : Zope 3.4.1 KGS / Python2.4.6 32bit linux
From: ccomb at free.fr
Date: Sun Apr 25 00:22:15 EDT 2010
URL: http://mail.zope.org/pipermail/zope-tests/2010-April/014111.html

Subject: FAILED : Zope 3.4.1 KGS / Python2.5.2 32bit linux
From: ccomb at free.fr
Date: Sun Apr 25 00:56:48 EDT 2010
URL: http://mail.zope.org/pipermail/zope-tests/2010-April/014112.html


Tests passed OK
---

Subject: OK : Zope-2.10 Python-2.4.6 : Linux
From: Zope Tests
Date: Sat Apr 24 21:39:47 EDT 2010
URL: http://mail.zope.org/pipermail/zope-tests/2010-April/014098.html

Subject: OK : Zope-2.11 Python-2.4.6 : Linux
From: Zope Tests
Date: Sat Apr 24 21:41:49 EDT 2010
URL: http://mail.zope.org/pipermail/zope-tests/2010-April/014099.html

Subject: OK : Zope-2.12 Python-2.6.4 : Linux
From: Zope Tests
Date: Sat Apr 24 21:43:51 EDT 2010
URL: http://mail.zope.org/pipermail/zope-tests/2010-April/014100.html

Subject: OK : Zope-2.12-alltests Python-2.6.4 : Linux
From: Zope Tests
Date: Sat Apr 24 21:45:51 EDT 2010
URL: http://mail.zope.org/pipermail/zope-tests/2010-April/014101.html

Subject: OK : Zope-trunk Python-2.6.4 : Linux
From: Zope Tests
Date: Sat Apr 24 21:47:51 EDT 2010
URL: http://mail.zope.org/pipermail/zope-tests/2010-April/014102.html

Subject: OK : Zope-trunk-alltests Python-2.6.4 : Linux
From: Zope Tests
Date: Sat Apr 24 21:49:57 EDT 2010
URL: http://mail.zope.org/pipermail/zope-tests/2010-April/014103.html

Subject: OK : BlueBream template / Python2.6.4 32bit linux
From: ccomb at free.fr
Date: Sat Apr 24 22:00:51 EDT 2010
URL: http://mail.zope.org/pipermail/zope-tests/2010-April/014104.html

Subject: OK : BlueBream template / Python2.7b1 32bit linux
From: ccomb at free.fr
Date: Sat Apr 24 22:00:54 EDT 2010
URL: http://mail.zope.org/pipermail/zope-tests/2010-April/014105.html

Subject: OK : BlueBream template / Python2.5.2 32bit linux
From: ccomb at free.fr
Date: Sat Apr 24 22:00:54 EDT 2010
URL: http://mail.zope.org/pipermail/zope-tests/2010-April/014106.html

Subject: OK : BlueBream template / Python2.4.6 32bit linux
From: ccomb at free.fr
Date: Sat Apr 24 22:00:55 EDT 2010
URL: http://mail.zope.org/pipermail/zope-tests/2010-April/014107.html

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Re: [Zope-dev] ZTK community packages

2010-04-25 Thread Tres Seaver
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Hash: SHA1

Christophe Combelles wrote:
> Hi!
> 
> I believe packages such as z3c.form, z3c.macro, z3c.template, z3c.pagelet 
> (and 
> many others) are among the most important packages. I wonder why they are not 
> included in the ZTK? I always end up using them, I believe they should even 
> be 
> part of the core ZTK.
> 
> If they are not part of the core, I would like them to be part of a 
> *community.cfg* list. There already is a community.cfg list in BlueBream, but 
> I 
> don't like having many foobartoolkit in the wild, with many package lists to 
> maintain. It's already difficult enough to maintain just 1 list for the 
> zopetoolkit. Let's focus on it.

"Clumping" vs. "splitting" debates are endless, in many fields.  In the
case of the ZTK, we have tried to say that the "core" toolkit consists
only of packages in wide use by more than one of the "constituent"
communities:  any package which doesn't meet that criterion should just
be managed by the community which already cares for it.

If that community organizes automated testing for it package set(s), and
publishes results (especially failures) for those packages when used
with the core, then the broader communitiy has proved willing to work to
resolve those problems.



Tres.
- --
===
Tres Seaver  +1 540-429-0999  tsea...@palladion.com
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Re: [Zope-dev] ZTK community packages

2010-04-25 Thread Martijn Faassen
Hey,

Interesting, and thanks for doing this. Concerning Grok, did you look at 
Grok 1.0 or Grok 1.1?

For Grok 1.2 we've identified that the following zope.app packages are 
certainly used:

* zope.app.wsgi

* zope.app.appsetup

* zope.app.publication

We've eliminated the dependencies of these packages on zope.app.testing 
and zope.app.zcmlfiles, which both pull in a lot of zope.app.* stuff.

We've expanded zope.app.wsgi so we can run functional tests and 
testbrowser tests without zope.app.testing involved; see 
zope.app.wsgi.testlayer.

We're in the process for Grok 1.2 to try to reduce Grok's dependencies 
to this subset. The grokcore.* packages already eliminate the 
zope.app.zcmlfiles and zope.app.testing dependencies (in the proper 
development branches), but as of yesterday Grok itself only eliminates 
the zope.app.testing dependency so far - zope.app.zcmlfiles is next.

We expect more zope.app.* packages than the ones above will be needed to 
actually run Grok; we don't quite know which ones yet, and we'll be 
looking at them on a case by case basis.

Of course we'll also need the other zope.app.* packages for a while 
longer to provide backward compatibility imports and such for those 
upgrading existing Grok apps.

Regards,

Martijn

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Re: [Zope-dev] ZTK community packages

2010-04-25 Thread Tres Seaver
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Martijn Faassen wrote:

> Interesting, and thanks for doing this. Concerning Grok, did you look at 
> Grok 1.0 or Grok 1.1?

Just grok/trunk (I was trying to think about the "state of ZTK" in terms
of how it was being used by latest-and-greatest versions of downstream
projects).

> For Grok 1.2 we've identified that the following zope.app packages are 
> certainly used:
> 
> * zope.app.wsgi
> 
> * zope.app.appsetup
> 
> * zope.app.publication

On the grok trunk, the following zope.app packages are called
"unconditionally" out in grok's setup.py[1]:

- - zope.app.publication

- - zope.app.publisher

- - zope.app.renderer

- - zope.app.zcmlfiles

and the following further packages say that they are marked as unused,
according to the dependency checker:

- - zope.app.appsetup

- - zope.app.pagetemplate

- - zope.app.security

- - zope.app.twisted

The other zopeapp packages marked for Grok are all transitive
dependencies of something else.

[1] svn.zope.org/*checkout*/grok/trunk/setup.py

> We've eliminated the dependencies of these packages on zope.app.testing 
> and zope.app.zcmlfiles, which both pull in a lot of zope.app.* stuff.

Cool.

> We've expanded zope.app.wsgi so we can run functional tests and 
> testbrowser tests without zope.app.testing involved; see 
> zope.app.wsgi.testlayer.

Really cool.

> We're in the process for Grok 1.2 to try to reduce Grok's dependencies 
> to this subset. The grokcore.* packages already eliminate the 
> zope.app.zcmlfiles and zope.app.testing dependencies (in the proper 
> development branches), but as of yesterday Grok itself only eliminates 
> the zope.app.testing dependency so far - zope.app.zcmlfiles is next.
> 
> We expect more zope.app.* packages than the ones above will be needed to 
> actually run Grok; we don't quite know which ones yet, and we'll be 
> looking at them on a case by case basis.

I would advocate that such packages be listed explicitly in setup.py,
even if you know that right now they would be pulled in as transitive
dependencies.

> Of course we'll also need the other zope.app.* packages for a while 
> longer to provide backward compatibility imports and such for those 
> upgrading existing Grok apps.

I'm assuming that BBB imports could be "soft" dependencies, and that
developers who are upgrading from earlier Grok versions can adjust their
own buildouts or package depenencies to pull the extras in without Grok
needing to provide "convenience dependencies" -- am I right?


Tres.
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Re: [Zope-dev] ZTK community packages

2010-04-25 Thread Christophe Combelles
Hanno Schlichting a écrit :
> Hi.
> 
> On Sun, Apr 25, 2010 at 11:14 AM, Christophe Combelles  wrote:
>> I believe packages such as z3c.form, z3c.macro, z3c.template, z3c.pagelet 
>> (and
>> many others) are among the most important packages. I wonder why they are not
>> included in the ZTK? I always end up using them, I believe they should even 
>> be
>> part of the core ZTK.
> 
> We have written down some definition of what constitues a core library
> at http://docs.zope.org/zopetoolkit/about/coreextra.html. That
> document is outdated to some degree, and likely the "steering group"
> should now be replaced by the "release team".

I understand the principle of "extra" packages. They are not part of the core, 
but they use the core, and they may be part of the core in the future.
That's a good thing, but looking at the zopetoolkit package, there is no such 
list yet. I really think we should track such packages in an "extra.cfg" file.

I think it has some advantages for everyone:

For the extra packages:

- they can benefit from the buildbot infrastructure
- it increases their visibility
- it encourages their maintainers to support and release new versions
- they can more easily find a place in the large version set of all packages

For the core:

- it gives an easy access to many more third-party tests that can help find 
bugs 
in the ztk core or improve it.
- it helps selecting future candidates for inclusion in the core

> 
> Nevertheless the criteria given in that document are still sensible in
> my opinion. z3c.form might at some point become part of the ZTK. But
> right now none of the major projects includes it in its core. The

Regarding z3c.form, it will be at least part of Plone, via the Dexterity 
content 
type library. And I suppose that many zope 3 projects are using it.


> other z3c libraries you mention, I have never heard of or wouldn't
> know what they did. They sound to me related to a specific way of
> constructing user interface related code. I think there's many
> different approaches to that and only very few can claim to be used by
> multiple of the major projects.

z3c.pagelet is the best way I've seen to create really redistributable browser 
page templates, because they are not linked to any macro or master template. 
They basically are both browser pages and content providers, and they can 
choose 
themselves their content template and layout template from bottom up. Among 
other advantages, they benefit from the 2-way update/render pattern of the 
content providers or viewlets.

z3c.macro is an easy way to register macros in zcml, then use it with 
use-macro="macro:somemacro" without the burden of creating a view dedicated to 
macro retrieval.

z3c.template can make content templates and layout templates context-dependent. 
They are registered separately from the views.

Not mentionning z3c.formjs, which is a good jquery-based library on top of 
z3c.form to create javascript-enabled forms.

> 
>> If they are not part of the core, I would like them to be part of a
>> *community.cfg* list. There already is a community.cfg list in BlueBream, 
>> but I
>> don't like having many foobartoolkit in the wild, with many package lists to
>> maintain. It's already difficult enough to maintain just 1 list for the
>> zopetoolkit. Let's focus on it.
> 
> What you are describing is similar to the idea of the "extra" concept
> we have defined for the ZTK. It has at this stage no manifestation in
> any code, version list or process around it.

Ah ok, if this is already defined, but just missing an implementation, I will 
help with implementing it.

> 
> At this stage I would prefer to focus on the ZTK as a
> least-common-denominator of the major projects. And only if we are
> actually able to agree on such a set, should we try to extend it. This
> is going to be hard enough and extending the set of packages won't
> make it any easier.

Sure, it should not block or even delay the ZTK release. We can even release a 
ZTK with failing tests on the extra packages. I'm confident that these failures 
will be fixed much quicker in they are visible to everyone ;)

Christophe

> 
> That doesn't mean you shouldn't go forward with your idea. I just like
> to have it separate from the ZTK.
> 
> Hanno
> 
> 

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