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main blog#6056 - created on 2008/09/18 by admin show 41 results
posted on 2008/11/19 by nchauvat .. image:: http://wiki.dbpedia.org/images/dbpedia_logo.png
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For those interested in the Semantic Web as much as we are at Logilab, the announce of the new DBpedia release is very good news. more ... 0 comment | tagged by cubicweb, en, ontology, semantic web posted on 2008/10/14 by alutz .. image:: http://www.logilab.org/image/4873?vid=download&small=true
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The more we use mercurial_ to manage our code repositories, the more we enjoy its extended functionalities. Lately we've been playing and using branches which end up being very useful. more ... 1 comments | tagged by hgview, mercurial, python, source management posted on 2008/09/28 by jjehannet .. image :: http://jonathan.demoutiez.net/images/logos/python.png
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On distutils-sig, the question of distutils/setuptools replacing is frequently raised and a lot of effort is made to find what would be the best way to build and distribute python code. more ... 0 comment | tagged by distribution, distutils, en, python posted on 2008/09/05 by ddouard My latest personal project, pygpibtoolkit_, holds a simple HPGL_ plotter trying to emulate the HP7470A_ GPIB plotter, using the very nice and cheap Prologix_ USB-GPIB dongle.
This tool is (for now) called qgpibplotter (since it is using the Qt4_ toolkit). more ... 0 comment | tagged by en, hardware, plot, python posted on 2008/09/02 by adimascio .. image :: http://upload.wikimedia.org/wikipedia/commons/d/de/Gajim.png
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I've been using for a long time a custom version of `gajim`_ in order
to make it interact with `wmii`. More precisely, I have, in my `wmii`_
status bar, a dedicated log zone where I print notification messages
such as new incoming emails or text received from gajim (with different
colors if special words were cited, etc. more ... 0 comment | tagged by dbus, en, ion3, python, window manager, wmii posted on 2008/09/01 by nchauvat .. image :: http://azarask.in/gfx/ubiquity_side.png
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Graphical user interfaces help command discovery, while command-line interfaces help command efficiency. This article_ tries to explain why. I reached it when reading the list of references from the introduction to Ubiquity_, which is the best extension to firefox I have seen so far. more ... 0 comment | tagged by browser, command-line, desktop, ergonomics, user interface posted on 2008/08/27 by nchauvat .. image :: http://wiki.openmoko.org/images/thumb/b/b9/Freerunner02.gif/150px-Freerunner02.gif
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The `Openmoko Freerunner`_ is a computer with embedded GSM, accelerometer and GPS. I got mine last week after waiting for a month for the batch to get from Taiwan to the `french company`_ I bought it from. more ... 0 comment | tagged by en, gps, openmoko, python posted on 2008/08/11 by nchauvat I bought last week a new laptop computer that can drive a 24" LCD monitor, which means I do not need my desktop computer any more. In the process of setting up that new laptop, I did what I have been wanting to do for years without finding the time: spending time on my ion3 config to make it more generic and create a small python setup utility that can regenerate it from a template file and a keyboard layout. more ... 0 comment | tagged by configuration, desktop, en, ergonomics, ion3, window manager posted on 2008/08/07 by nchauvat .. image :: http://simile.mit.edu/images/logo.png
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While working on knowledge management and semantic web technologies, I came across the Simile_ project at MIT a few years back. I even had a demo of the Exhibit widget fetching then displaying data from our semantic web application framework back in 2006 at the Web2 track of Solutions Linux in Paris. more ... 0 comment | tagged by ajax, debian, en, javascript, semantic web, simile, web2 posted on 2008/08/04 by nchauvat .. image :: http://www.enthought.com/img/scipy-sm.png
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We have been using many different tools for doing statistical analysis with Python, including R, SciPy, specific C++ code, etc. It looks like the growing audience of SciPy is now in movement to have dedicated modules in SciPy_ (lets call them SciKits_). more ... 0 comment | tagged by en, python, python scientifique, scientific, scipy posted on 2008/07/31 by afayolle A Google custom search engine for Python has been made available_ by Gerard Flanagan, indexing:
+ `The Hazel Tree <http://thehazeltree.org>`__
+ `The Python standard library docs <http://docs.python.org/lib>`__
+ `The Python wiki <http://wiki. more ... 0 comment | tagged by en, python, search posted on 2008/07/29 by nchauvat .. image :: http://www.ams.org/images/siam2008-brain.jpg
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The presentation of Python as a tool for applied mathematics got highlighted_ at the 2008 annual meeting of the american Society for Industrial and Applied Mathematics (SIAM). more ... 0 comment | tagged by en, mathematics, python, python scientifique, scientific posted on 2008/07/22 by afayolle Un problème rencontré hier : un test unitaire plante sous Windows, après avoir créé un objet qui garde des fichiers ouverts. le ``tearDown`` du test est appelé, mais il plante car Windows refuse de supprimer des fichiers ouverts, et le *framework* de test garde une référence sur la fonction de test pour qu'on puisse examiner la pile d'appels. more ... 0 comment | tagged by fr, python, test, windows posted on 2008/07/04 by ddouard I have a laptop I use at work (with a docking station), in the train and at home (with an external display), on which my environment is ion3.
As I use suspend-to-RAM all the time, I have added some keybindings to automatically reconfigure my screen when I plug/unplug an external display (on the dock as well as direct VGA connection). more ... 0 comment | tagged by en, ion3, tips posted on 2008/07/02 by alutz .. image:: http://europython.org/euro/img/europython.png
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Hey,
We've decided to go to Europython_ this year. We're obviously going to give a talk about the exciting things we're doing with LAX_ and GoogleAppEngine. more ... 0 comment | tagged by conferences, en, europython posted on 2008/07/01 by alutz .. image:: http://munin.projects.linpro.no/static/munin.png
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Here at Logilab we find Munin_ pretty useful. We monitor a lots of machines and a lot of services with it, and it usually gives us pretty useful indicators over time that guide us through to optimizations. more ... 0 comment | tagged by admin, en, munin, zope posted on 2008/06/24 by alutz After one month of internship at logilab, I'm pleased to announce the 0.12.1
release of apycot.
for more information read the [apycot 0.12.1 release note][1]
You can also check the new [sample configuration][2]. more ... 0 comment | tagged by apycot, en, python, quality, tdd posted on 2008/06/23 by sthenault Here is a piece of code I've written which I thought may be useful to some other people...
You'll find :eid:`5296:here` a simple python module to use with the Google AppEngine SDK to monkey patch the datastore API in order to get an idea of the calls performed by your application. more ... 0 comment | tagged by code sample, en, google appengine posted on 2008/06/16 by alutz .. image:: http://www.scilab.org/images/homepage/scilab_logo.png
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Bienvenue à SciLab version 5.0 dans le monde du logiciel libre. SciLab 5.0, plateforme open source de calcul scientifique sous licence CeCill_, est une alternative crédible et maintenant reconnue comme telle à Matlab. more ... 0 comment | tagged by fr, python scientifique posted on 2008/06/16 by alutz Previous documentation was merged into a LAX Book now featuring step-by-step screenshots to get up and running faster.
http://lax.logilab.org/lax-book
Don't we all like screenshots...
.. image :: http://lax.logilab.org/images/lax-book.08-schema.en.png
more ... 0 comment | tagged by en, google, google appengine, lax posted on 2008/06/11 by nchauvat .. image:: http://code.google.com/events/images/io_logo_lg.png
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At Google IO, a large part of the Tools track was dedicated to
AppEngine. Brett Slatkin gave a talk titled `Building scalable Web
Applications with Google AppEngine`_ which focused on optimizing the
server part of web apps. more ... 0 comment | tagged by en, google, google appengine, scalability posted on 2008/06/09 by nchauvat .. image:: http://code.google.com/appengine/images/appengine_lowres.jpg
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Several of us went to San Francisco last week to attend Google IO. As usual with conferences, meeting people was more interesting than listening to most talks. more ... 0 comment | tagged by en, google appengine, lax posted on 2008/06/09 by alutz .. image:: http://code.google.com/appengine/images/appengine_lowres.jpg
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La version 0.3.0 de LAX est sortie aujourd'hui voir : http://lax.logilab.org/
Il suffit de 10 petites minutes pour avoir une application qui tourne, suivez le guide :
* http://lax. more ... 0 comment | tagged by fr, google appengine, python posted on 2008/06/09 by alutz .. image:: http://code.google.com/appengine/images/appengine_lowres.jpg
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LAX version 0.3.0 was released today, see http://lax.logilab.org/
Get a new application running in ten minutes with the install guide
and the tutorial:
* http://lax.logilab.org/INSTALL. more ... 0 comment | tagged by en, google appengine, lax, python posted on 2008/06/07 by adimascio ... or when inverting two lines of code in your HTML's HEAD can
speed up your web page rendering !
If you have the following HTML page::
<html>
<head>
<link rel="stylesheet" type="text/css" href="http://yourdomain. more ... 1 comments | tagged by browser, en, html, optimisations posted on 2008/06/02 by alutz .. image:: http://www.logilab.org/image/4878?vid=download&small=true
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After almost 2 years of inactivity, here is a new `release`_ of `apycot`_ the "Automated Pythonic Code Tester". We use it everyday to maintain our software quality, and we hope this tool can help you as well. more ... 0 comment | tagged by apycot, en, python, quality posted on 2008/05/27 by alutz ![http://code.google.com/images/io_logo_sm.gif][1]
![http://code.google.com/appengine/images/appengine_lowres.jpg][2]
Three of us from Logilab are going to San Francisco to listen, share and
discuss at Google I/O.
It's a two day developer gathering in San Francisco, with various talks about
google technologies : [http://code. more ... 0 comment | tagged by conferences, en, google, google appengine posted on 2008/05/27 by jjehannet Une présentation sur l'assurance-qualité a été présentée le 17 mai 2008 pour les journées Python organisées par l'Association Francophone Python (AFPy_).
Le but visé est de décrire quelques notions et pratiques simples pour améliorer la lisibilité et la maintenabilité de votre code python. more ... 0 comment | tagged by fr, présentations, pyconfr, python posted on 2008/05/27 by aespaze Ma présentation de 30 minutes est disponible à l'adresse suivante :
http://fr.pycon.org/presentations_2008/andre-espaze-recherche-de-gene.pdf
.. image:: http://www.logilab.org/image/5136?vid=download
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La journée s'est bien passée, j'ai eu quelques questions. Un chercheur
en génétique a demandé si le projet serait continué sur la recherche
des peptides (car ce sont les gènes qui codent les peptides d'après
ce que j'ai compris). more ... 0 comment | tagged by fr, gendb, présentations, pyconfr posted on 2008/05/27 by afayolle How can I test if a python float is "not a number" without depending on numpy? Simple, a nan value is different to any other value, including itself::
def isnan more ... 0 comment | tagged by en, python posted on 2008/05/27 by alutz Voici vite fait comment on profite du quad-core bi-proc multicoeurs avec zope/zeo/pound ... le tout en commandes debian.
Inspiré de : http://plone.org/documentation/how-to/simple-zope-clustering-with-squid-and-pound
.. image :: http://plone.org/documentation/tutorial/introduction-to-the-zodb/zeo%20diagram.png
* apt-get -uVf install plone-site pound
* dzhandle -z 2. more ... 0 comment | tagged by debian, fr, howto, plone, pound, walktrough, zope posted on 2008/05/27 by alutz Il existe un outil, Reinteract_, qui permet d'avoir une sorte de d'éditeur/shell Python, où l'on peut aisément modifier et réinterpreter une ligne de code.
Sachant qu'il sait aussi afficher des plots, etc, il est possible de s'en servir avantageusement pour faire des sessions Matlab-like. more ... 0 comment | tagged by fr, numpy, python, python scientifique posted on 2008/05/27 by alutz Un petit raccourci pratique pour ion3, qui permet, sur la combinaison de touches de son choix, de prendre le texte actuellement sélectionné (surligné) dans sa session X11, et, en fonction de son contenu :
- d'ouvrir un onglet Firefox avec l'url sélectionnée,
- d'ouvrir un xpdf si c'est une URL de fichier PDF,
- lancer OpenOffice. more ... 0 comment | tagged by astuces, fr, ion3, tips posted on 2008/05/27 by alutz J'ai découvert vim-addons (qui est apparu dans debian récement) et ce petit outil permet de faire d'etendre les fonctionnalités de vim assez facilement. Voici une utilisation parmi tant d'autres :
mode gnupg
----------
pour installer le mode gnupg faites ::
vim-addons install gnupg
Ensuite vim pourra ouvrir directement des fichiers encryptés et les réncrypter lorsque vous sauvez. more ... 0 comment | tagged by astuces, fr, tips, vim posted on 2008/05/20 by alutz Here are a few pictures from the [sprint][1] we organized at [Pycon-FR][2]
We got a few people to install [Google AppEngine][3] and [LAX][4] on their
machines, and explained the concepts at hand to a bunch of other people. more ... 0 comment | tagged by en, google appengine, lax, photos, pyconfr, sprint posted on 2008/05/19 by alutz This is how easy it is to get lax to run on your linux machine ::
hg clone http://www.logilab.org/hg/lax/
wget http://googleappengine.googlecode.com/files/google_appengine_1.0.2.zip
unzip google_appengine_1.0.2.zip
./google_appengine/dev_appserver.py lax/skel/
Point your f more ... 0 comment | tagged by en, google appengine, howto, lax posted on 2007/09/20 by acampeas We are about to make a release of a very nice Plone product named ClassificationScheme. It is a key component of classic document management systems and fits well within plone instances geared towards that kind of things. more ... 0 comment | tagged by annouce, en posted on 2007/02/06 by nchauvat I co-organized the Web2.0 conference track that was held at [ Solutions Linux
2007 in Paris last week ][1] . Researching to prepare the talk I gave, I came
accross [microformats][2] and [GRDDL][3]. more ... 0 comment | tagged by en, semantic web posted on 2006/12/07 by nchauvat This is how we setup PCL <http://trac.gispython.org/projects/PCL> under debian. Of course having a package would be better...
*Install dependencies*
::
apt-get install mapserver-bin python-mapscript mapserver-cgi
gdal-bin python-gdal python-dev libgeos-dev libgdal-dev
libgd2-xpm-dev python-setuptools zope-interface
python-elementtree
Now link libgdal. more ... 0 comment | tagged by en, howto posted on 2006/10/24 by alutz ** Insert announce text here ** 0 comment | tagged by en
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