Something busted in my python install. No clue what. backintime Fails to load.

2009-06-23 Thread VALETTE Eric RD-MAPS-REN
backintime-kde4
Traceback (most recent call last):
  File "/usr/share/backintime/kde4/app.py", line 43, in 
from PyKDE4.kdecore import *
ImportError: No module named kdecore
6 r-ptxp-ceva6380:~->dpkg -S kdecore
python-kde4: /usr/lib/pyshared/python2.5/PyKDE4/kdecore.so
kdelibs4c2a: /usr/lib/libkdecore.so.4
kdelibs5: /usr/lib/libkdecore.so.5
kdelibs4c2a: /usr/lib/libkdecore.so.4.2.0
kdelibs5: /usr/lib/libkdecore.so.5.2.0


I removed all packages and dependencies for backintime including
python-2.5 and reinstalled  but it still fails.

Help appreciated (I know about nothing about python but I'm a faily
experienced linux developper).

-- eric


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Bug#534307: ITP: python-catwalk -- model management interface for the Turbogears web application framework

2009-06-23 Thread Stefano Zacchiroli
Package: wnpp
Severity: wishlist
Owner: Stefano Zacchiroli 

* Package name: python-catwalk
  Version : 2.0.2
  Upstream Author : Christopher Perkins 
* URL : http://pypi.python.org/pypi/Catwalk
* License : MIT
  Programming Lang: Python
  Description : model management interface for the Turbogears web 
application framework

   TurboGears2 is a framework to develop web applications in Python,
   according to the model-view-controller (MVC) architecture.
   .
   Catwalk is a component to manage TurboGears2 models via a simple,
   web-based interface.
   .
   Using Catwalk application developers can populate their database
   with sample data for rapid prototyping purposes. Similarly, Catwalk
   can be used to manage models of deployed applications skipping
   other application-specific interfaces.


The package will be maintained under the umbreall of the Debian Python
Modules Team.



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Bug#534311: ITP: sprox -- Python library to generate web widgets from database schemas

2009-06-23 Thread Stefano Zacchiroli
Package: wnpp
Severity: wishlist
Owner: Stefano Zacchiroli 

* Package name: sprox
  Version : 0.6.2
  Upstream Author : Christopher Perkins
* URL : http://www.sprox.org/
* License : MIT
  Programming Lang: Python
  Description : Python library to generate web widgets from database schemas

   Sprox is a Python library to generate web widgets from database
   schemas.
   .
   Sprox provides an easy way to create forms for web content which
   are: automatically generated, easy to customize, and validated.
   The way in which Sprox displays content is customizable by the
   means of different "viewers".  Finally, Sprox provides a way to
   fill your widgets, whether they are forms or other content with
   customizable data.

The package will be maintained under the umbrella of the Python
Modules Team.



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The future of Zope{2,3} and Plone in Debian and Ubuntu

2009-06-23 Thread Fabio Tranchitella
Hello all!

In the last couple of weeks Brian Sutherland, Matthias Klose and I worked
together to improve the Zope packaging for Debian and Ubuntu. This e-mail
summarizes the problems we faced, the decisions that have been taken and the
changes that we will upload to experimental and unstable in the next weeks.

Short summary
=

We switch from a monolithic Zope 3 package to individual packages for the
libraries that are part of the ZTK (Zope Toolkit). Zope instance management
tools are not supported anymore, as we suggest the use of WSGI.

We also drop support for Zope 2 and Plone in Debian and Ubuntu, asking
for the removal of the packages from the distribution.


Background
==

It is a known fact that the Zope community, as well as the Plone one,
prefers to use other means of installation for their software and usually
dislikes the integration of Zope and Plone with the Debian and Ubuntu
distributions.

The suggested upstream way to install plone, for example, is the unified
installer. ZTK developers suggest the use of zc.buildout. These
tools create an isolated environment where it is possible to develop and
run your software with a very limited interactions with the rest of the
system.

I think it is better to split the two worlds, Zope2 and ZTK, to better
understand their specific needs.


ZTK
===

Right now zope3 is a monolithic source and binary package which provides
all the python libraries released inside the old-style monolithic tarball
called Zope 3.

Upstream stopped distributing Zope 3 as a monolithic tarball, transforming
the concept of a monolithic "Zope 3" framework into a collection of
independent python libraries (the ZTK, Zope Toolkit).

The eggification of Zope 3 is a great path towards interoperability between
different python frameworks, and we decided to modify our packaging methods
in this direction: each library will be packaged as an independent
source/binary package.

Considering that WSGI is the actual standard for python web frameworks the
instance management tools, previously part of the zope3 package, won't be
packaged anymore: the most important WSGI servers and tools are already
packaged and available in the archive.

It is worth mentioning that the last monolithic release only supports
python2.5, but some of the libraries that are part of the Zope Toolkit already
support python2.6.

It's also important to note that a lot of software in the monolithic tarball
will not be present in the ZTK packages because it is deprecated/unmaintained
at source and has large/complex dependency trees.

For these reasons we decided to focus on relatively stable packages which have
sane dependency graphs. Other packages may be maintained, but outside the
official repositories. We will only maintain what members of the Debian/Ubuntu
Zope team use, focusing on automatic testing to provide the high quality
standards.

As of today, these are the packages supported by the team:

  - transaction
  - zc.lockfile
  - ZConfig
  - zdaemon
  - ZODB3
  - zope.authentication
  - zope.browser
  - zope.cachedescriptors
  - zope.component
  - zope.configuration
  - zope.dottedname
  - zope.event
  - zope.exceptions
  - zope.hookable
  - zope.i18nmessageid
  - zope.interface
  - zope.location
  - zope.proxy
  - zope.publisher
  - zope.schema
  - zope.security
  - zope.testbrowser
  - zope.testing
  - zope.traversing

The aforementioned policy is also available from the team web page:

http://pkg-zope.alioth.debian.org.

Comments and suggestions are welcome!


Zope 2 and Plone


Zope 2 and Plone are obviously related, so the future of one of the two
influences the other one.

The main problem for Zope2 is that the current stable upstream branch
(2.12) still requires pthon2.4. This is not acceptable in Debian and
Ubuntu, and Zope 2 is right now the only stopper for the removal of
python2.4 from both Debian and Ubuntu.

Even worse, the current stable Plone releases requires Zope 2.10, which we
suppose will never support anything but python2.4 in the foreseeable
future. The new major upstream branch (Plone 4) is still far from being 
released, which means
that the only way to support Plone and Zope 2.x in Debian and Ubuntu is to
keep python2.4 in the distribution.

For this reason, together with the upstream suggestions to use the unified
installer and zc.buildout as primary tools for deploying Zope 2 and Plone,
the Debian/Ubuntu Zope Team decided to drop support for Zope 2, Plone and
all the other Zope 2 products. We will file requests of removal for all the
Zope and Plone packages from the archive.


Thanks for reading this!

Fabio Tranchitella
on behalf of the Debian/Ubuntu Zope Team

-- 
Fabio Tranchitella .''`.
Proud Debian GNU/Linux developer, admin and user.: :'  :
 `. `'`
   http://people.debian.org/~kobold/   `-
__

The future of Zope{2,3} and Plone in Debian and Ubuntu

2009-06-23 Thread Fabio Tranchitella
Hello all!

In the last couple of weeks Brian Sutherland, Matthias Klose and I worked
together to improve the Zope packaging for Debian and Ubuntu. This e-mail
summarizes the problems we faced, the decisions that have been taken and the
changes that we will upload to experimental and unstable in the next weeks.

Short summary
=

We switch from a monolithic Zope 3 package to individual packages for the
libraries that are part of the ZTK (Zope Toolkit). Zope instance management
tools are not supported anymore, as we suggest the use of WSGI.

We also drop support for Zope 2 and Plone in Debian and Ubuntu, asking
for the removal of the packages from the distribution.


Background
==

It is a known fact that the Zope community, as well as the Plone one,
prefers to use other means of installation for their software and usually
dislikes the integration of Zope and Plone with the Debian and Ubuntu
distributions.

The suggested upstream way to install plone, for example, is the unified
installer. ZTK developers suggest the use of zc.buildout. These
tools create an isolated environment where it is possible to develop and
run your software with a very limited interactions with the rest of the
system.

I think it is better to split the two worlds, Zope2 and ZTK, to better
understand their specific needs.


ZTK
===

Right now zope3 is a monolithic source and binary package which provides
all the python libraries released inside the old-style monolithic tarball
called Zope 3.

Upstream stopped distributing Zope 3 as a monolithic tarball, transforming
the concept of a monolithic "Zope 3" framework into a collection of
independent python libraries (the ZTK, Zope Toolkit).

The eggification of Zope 3 is a great path towards interoperability between
different python frameworks, and we decided to modify our packaging methods
in this direction: each library will be packaged as an independent
source/binary package.

Considering that WSGI is the actual standard for python web frameworks the
instance management tools, previously part of the zope3 package, won't be
packaged anymore: the most important WSGI servers and tools are already
packaged and available in the archive.

It is worth mentioning that the last monolithic release only supports
python2.5, but some of the libraries that are part of the Zope Toolkit already
support python2.6.

It's also important to note that a lot of software in the monolithic tarball
will not be present in the ZTK packages because it is deprecated/unmaintained
at source and has large/complex dependency trees.

For these reasons we decided to focus on relatively stable packages which have
sane dependency graphs. Other packages may be maintained, but outside the
official repositories. We will only maintain what members of the Debian/Ubuntu
Zope team use, focusing on automatic testing to provide the high quality
standards.

As of today, these are the packages supported by the team:

  - transaction
  - zc.lockfile
  - ZConfig
  - zdaemon
  - ZODB3
  - zope.authentication
  - zope.browser
  - zope.cachedescriptors
  - zope.component
  - zope.configuration
  - zope.dottedname
  - zope.event
  - zope.exceptions
  - zope.hookable
  - zope.i18nmessageid
  - zope.interface
  - zope.location
  - zope.proxy
  - zope.publisher
  - zope.schema
  - zope.security
  - zope.testbrowser
  - zope.testing
  - zope.traversing

The aforementioned policy is also available from the team web page:

http://pkg-zope.alioth.debian.org.

Comments and suggestions are welcome!


Zope 2 and Plone


Zope 2 and Plone are obviously related, so the future of one of the two
influences the other one.

The main problem for Zope2 is that the current stable upstream branch
(2.12) still requires pthon2.4. This is not acceptable in Debian and
Ubuntu, and Zope 2 is right now the only stopper for the removal of
python2.4 from both Debian and Ubuntu.

Even worse, the current stable Plone releases requires Zope 2.10, which we
suppose will never support anything but python2.4 in the foreseeable
future. The new major upstream branch (Plone 4) is still far from being 
released, which means
that the only way to support Plone and Zope 2.x in Debian and Ubuntu is to
keep python2.4 in the distribution.

For this reason, together with the upstream suggestions to use the unified
installer and zc.buildout as primary tools for deploying Zope 2 and Plone,
the Debian/Ubuntu Zope Team decided to drop support for Zope 2, Plone and
all the other Zope 2 products. We will file requests of removal for all the
Zope and Plone packages from the archive.


Thanks for reading this!

Fabio Tranchitella
on behalf of the Debian/Ubuntu Zope Team

-- 
Fabio Tranchitella .''`.
Proud Debian GNU/Linux developer, admin and user.: :'  :
 `. `'`
   http://people.debian.org/~kobold/   `-
__

Re: [kob...@debian.org: The future of Zope{2, 3} and Plone in Debian and Ubuntu]

2009-06-23 Thread Fabio Tranchitella
(filtering out some of the interested mailing lists)

* 2009-06-23 20:19, Erik Rose wrote:
> I'm sad to see Plone support go, as I have a lot of reservations about  
> how Plone is distributed these days.

FWIW, I'm sad too and I share your same reservations about how Plone is
distributed.

> Actually not; it works in 2.5 and 2.6. 2.4 is unsupported by 2.12,  
> though it "should work". 
> http://docs.zope.org/zope2/releases/2.12/WHATSNEW.html#support-for-newer-python-versions

My fault, I wanted to write 2.11 (which is the current stable release,
as today). Sorry for the wrong number.

> Were you aware that we've renumbered the releases and inserted a less
> ambitious Plone 4, which should be in beta by the end of the year? It
> will run on (and require) Zope 2.12. Plone is finally joining the  modern
> Python world. :-)

I don't exclude to support Zope 2.x again in Debian and Ubuntu, but I
really think that in this moment dropping the packages is the best
solution: we will finally be able to drop python2.4.

For Plone, after 5 years of maintenance in Debian, I'm sure that *not*
having an official package (eg. included in Debian stable) is the best
option for our users.

-- 
Fabio Tranchitella .''`.
Proud Debian GNU/Linux developer, admin and user.: :'  :
 `. `'`
   http://people.debian.org/~kobold/   `-
_
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Description: Digital signature


Re: [kob...@debian.org: The future of Zope{2,3} and Plone in Debian and Ubuntu]

2009-06-23 Thread Erik Rose
I'm sad to see Plone support go, as I have a lot of reservations about  
how Plone is distributed these days.


The suggested upstream way to install plone, for example, is the  
unified

installer. ZTK developers suggest the use of zc.buildout. These
tools create an isolated environment where it is possible to develop  
and
run your software with a very limited interactions with the rest of  
the

system.


Buildout is really a development tool and not universally lauded as a  
deployment solution (though it's ubiquitous right now simply because  
it's the only thing that works). It suffers many reliability issues in  
both its design and its execution that make it unsuitable for our  
production environments, and it routinely confounds new users with the  
very build system concept, with its config syntax, and with its opaque  
modes of failure. Its goal of isolation from the base system is also  
both a strength and weakness: at some point, it either has to admit a  
dependency on system libraries (e.g. PIL) or else become a (less  
mature) package management system in its own right. By bundling zipped  
copies of the necessary packages and not exposing buildout's config  
file during installation, Steve McMahon has done an incredible job  
making the Unified Installer approachable and reliable for initial  
installs, but one is still left with raw buildout for updates and  
managing third-party add-ons.


For years, I've enjoyed and admired your packages as a refreshingly  
mature alternative. Leveraging Debian's superior QA and aptitude's  
fail-safety, they have been the most dependable solution for the  
unattended deployments that comprise WebLion's Plone hosting service.  
We will certainly miss your excellent work!


Zope 2 and Plone are obviously related, so the future of one of the  
two

influences the other one.

The main problem for Zope2 is that the current stable upstream branch
(2.12) still requires pthon2.4.


Actually not; it works in 2.5 and 2.6. 2.4 is unsupported by 2.12,  
though it "should work". http://docs.zope.org/zope2/releases/2.12/WHATSNEW.html#support-for-newer-python-versions



This is not acceptable in Debian and
Ubuntu, and Zope 2 is right now the only stopper for the removal of
python2.4 from both Debian and Ubuntu.

Even worse, the current stable Plone releases requires Zope 2.10,  
which we

suppose will never support anything but python2.4 in the foreseeable
future. The new major upstream branch (Plone 4) is still far from  
being released, which means
that the only way to support Plone and Zope 2.x in Debian and Ubuntu  
is to

keep python2.4 in the distribution.


Were you aware that we've renumbered the releases and inserted a less  
ambitious Plone 4, which should be in beta by the end of the year? It  
will run on (and require) Zope 2.12. Plone is finally joining the  
modern Python world. :-)


Best,
Erik


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Re: The future of Zope{2,3} and Plone in Debian and Ubuntu

2009-06-23 Thread Tres Seaver
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

Fabio Tranchitella wrote:

> Zope 2 and Plone
> 
> 
> Zope 2 and Plone are obviously related, so the future of one of the two
> influences the other one.
> 
> The main problem for Zope2 is that the current stable upstream branch
> (2.12) still requires python2.4.

Incorrect:  Zope 2.12 is supported only on Python 2.5 / 2.6.  The
INSTALL.rst[1] file says:

 Prerequisites
 -

 System requirements when building from source

 - A supported version of Python, including the development support if
   installed from system-level packages.  Supported versions include:

   * 2.5.x, (x >= 4)

   * 2.6.x

 - Zope needs the Python ``zlib`` module to be importable.  If you are
   building your own Python from source, please be sure that you have
   the headers installed which correspond to your system's ``zlib``.

 - A C compiler capable of building extension modules for your Python
   (gcc recommended).

> This is not acceptable in Debian and
> Ubuntu, and Zope 2 is right now the only stopper for the removal of
> python2.4 from both Debian and Ubuntu.
> 
> Even worse, the current stable Plone releases requires Zope 2.10, which we
> suppose will never support anything but python2.4 in the foreseeable
> future. The new major upstream branch (Plone 4) is still far from being 
> released, which means
> that the only way to support Plone and Zope 2.x in Debian and Ubuntu is to
> keep python2.4 in the distribution.

Plone 4.0 is slated be released this year, with an explicit goal of
running on Zope 2.12 / Python 2.{5,6}][1].

> For this reason, together with the upstream suggestions to use the unified
> installer and zc.buildout as primary tools for deploying Zope 2 and Plone,
> the Debian/Ubuntu Zope Team decided to drop support for Zope 2, Plone and
> all the other Zope 2 products. We will file requests of removal for all the
> Zope and Plone packages from the archive.

In the short term, I would just update the existing packages to use
Python 2.5, which is "known to work" with Zope 2.10.


[1] http://svn.zope.org/Zope/branches/2.12/doc/INSTALL.rst?view=auto

[2] http://article.gmane.org/gmane.comp.web.zope.plone.teams.framework/2767



Tres.
- --
===
Tres Seaver  +1 540-429-0999  tsea...@palladion.com
Palladion Software   "Excellence by Design"http://palladion.com
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Re: The future of Zope{2,3} and Plone in Debian and Ubuntu

2009-06-23 Thread Balazs Ree
On Tue, 23 Jun 2009 16:15:12 +0200, Fabio Tranchitella wrote:

> Hello all!
> 
> In the last couple of weeks Brian Sutherland, Matthias Klose and I
> worked together to improve the Zope packaging for Debian and Ubuntu.
> This e-mail summarizes the problems we faced, the decisions that have
> been taken and the changes that we will upload to experimental and
> unstable in the next weeks.
> 
> Short summary
> =
> 
> We switch from a monolithic Zope 3 package to individual packages for
> the libraries that are part of the ZTK (Zope Toolkit). Zope instance
> management tools are not supported anymore, as we suggest the use of
> WSGI.
> 
> We also drop support for Zope 2 and Plone in Debian and Ubuntu, asking
> for the removal of the packages from the distribution.

I am certainly one person that did use the Debian packages at the time 
when people first started to suggest against it. I dropped this habit 
when I needed to work most of the time with custom Zope and Plone 
versions that were too new or too rare to be in Debian yet. But I'm still 
using Debian's python2.4 right now to bootstrap my buildouts.

> The main problem for Zope2 is that the current stable upstream branch
> (2.12) still requires pthon2.4. This is not acceptable in Debian and
> Ubuntu, and Zope 2 is right now the only stopper for the removal of
> python2.4 from both Debian and Ubuntu.

What's the reason for the removal of python2.4? Is there a technological 
reason, or is this a policy decision? Don't forget that Plone users, who 
are also the biggest consumer group of Zope / ZTK, still will be users of 
2.4 for a while. The unified installer is not the only installation 
method used for Plone, in fact many users and the majority of deployments 
use python + buildout. These users will need to read documentation and do 
installation to be able to bootstrap their buildout, which is not exactly 
a reason for them to choose Debian / Ubuntu in this case.


-- 
Balazs Ree


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Re: The future of Zope{2,3} and Plone in Debian and Ubuntu

2009-06-23 Thread Fabio Tranchitella
Hello,

* 2009-06-24 07:30, Balazs Ree wrote:
> What's the reason for the removal of python2.4? Is there a technological
> reason, or is this a policy decision? Don't forget that Plone users, who
> are also the biggest consumer group of Zope / ZTK, still will be users of
> 2.4 for a while. The unified installer is not the only installation
> method used for Plone, in fact many users and the majority of deployments
> use python + buildout. These users will need to read documentation and do
> installation to be able to bootstrap their buildout, which is not exactly
> a reason for them to choose Debian / Ubuntu in this case.

We already have python2.5 and python2.6; after the release of stable
(either Debian or Ubuntu), we have to provide security support for all the
packages, and supporting three different versions of python is too much
work.

-- 
Fabio Tranchitella http://www.kobold.it
Free Software Developer and Consultant http://www.tranchitella.it
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