Python-announce-list September 2008

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60 participants
78 discussions

[ANN] Leipzig Python User Group Meeting, September 09, 2008, 08:00 pm
by Stefan Schwarzer 06 Sep '08

06 Sep '08

=== Leipzig Python User Group === We will meet on Tuesday, September 09 at 8:00 pm at the training center of Python Academy in Leipzig, Germany ( http://www.python-academy.com/center/find.html ). Food and soft drinks are provided. Please send a short confirmation mail to info(a)python-academy.de , so we can prepare appropriately. Everybody who uses Python, plans to do so or is interested in learning more about the language is welcome. While the meeting language will be mainly German, we will provide English translation if needed. Current information about the meetings are at http://www.python-academy.com/user-group . Stefan == Leipzig Python User Group === Wir treffen uns am Dienstag, 09.09.2008 um 20:00 Uhr im Schulungszentrum der Python Academy in Leipzig ( http://www.python-academy.de/Schulungszentrum/anfahrt.html ). Für das leibliche Wohl wird gesorgt. Eine Anmeldung unter info(a)python-academy.de wäre nett, damit wir genug Essen besorgen können. Willkommen ist jeder, der Interesse an Python hat, die Sprache bereits nutzt oder nutzen möchte. Aktuelle Informationen zu den Treffen sind unter http://www.python-academy.de/User-Group zu finden. Viele Grüße Stefan

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Release 0.3 of Evoque Templating
by Mario Ruggier 06 Sep '08

06 Sep '08

Happy to announce release version 0.3 of the Evoque Templating engine for python. Other than the bug fixes, a couple recent changes that are particularly worthy of mention are: - Significantly more dynamic In particular you can now do things like determine the base template of a template hierarchy chain dynamically at runtime -- how it is done boils down to just using a variable to select which template to to use as base template i.e. a template just declares an overlay directive such as $overlay{name=my_site_theme} and the runtime value of my_site_theme will determine which template will be overlaid. This can be a very nice way to manage a site theme as per user preferences. For further explanations, see: http://evoque.gizmojo.org/howto/site-template/ - Seamless integration with Pylons The code for using Evoque as the templating engine in a Pylons application is included in the distribution, and detailed description of the process is at: http://evoque.gizmojo.org/ext/pylons/ What is Evoque? Evoque is a lightweight full-featured generic text templating engine for python with sandbox-ability, versatility and simplicity as key feature priorities. In spite of its feature-richness, it has a small footprint (972 SLOC) and is very fast. [license] Academic Free License version 3.0 [documentation] http://evoque.gizmojo.org/ [features] http://evoque.gizmojo.org/features/ [download] http://evoque.gizmojo.org/download/ [installation] easy_install evoque

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short python talk available from osbootcamp.org
by Andrew Ross 06 Sep '08

06 Sep '08

Hi All, Open Source Bootcamp (osbootcamp) teaches skills with open source. We recently had a python talk which we've recorded and made freely available from the osbootcamp.org videos section. Enjoy! Andrew http://osbootcamp.org

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ANN: cocos2d v0.3.0 released
by Lucio Torre 05 Sep '08

05 Sep '08

ANN: cocos2d v0.3.0 released get it at: http://cocos2d.org see our 45 minutes presentation of cocos2d at: http://blip.tv/file/1075646/ Whats new: ---------- v0.3.0 - September 5th, 2008 - Added particle systems: Sun, Fire, Fireworks, Meteor, Galaxy, Flower, Exposion, Spiral - Added lerp actions - Applied patch by naveen.michaudagrawal - Applied patch by Kao Cardoso Félix - Applied patch by JeanpierreDA - Fixed Camera "once" locate bug - Many bugfixes - Primitive vector based line drawing. - Tile-map editor About cocos2d: -------------- cocos2d is a framework for building 2D games, demos, and other graphical/interactive applications. Main Features: -------------- * Flow control: Manage the flow control between different scenes in an easy way * Sprites: Fast and easy sprites * Actions: Just tell sprites what you want them to do. Composable actions like move, rotate, scale and much more * Effects: Effects like waves, twirl, lens and much more * Tiled Maps: Support for rectangular and hexagonal tiled maps * Transitions: Move from scene to scene with style * Menus: Built in classes to create menus * Text Rendering: Label and HTMLLabel with action support * Documentation: Programming Guide + API Reference + Video Tutorials + Lots of simple tests showing how to use it * Built-in Python Interpreter: For debugging purposes * BSD License: Just use it * Pyglet Based: No external dependencies * OpenGL Based: Hardware Acceleration more info: ---------- home: http://cocos2d.org download: http://los-cocos.googlecode.com/files/cocos2d-0.3.0.tar.gz

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[ANN] pysqlite 2.5.0 released
by Gerhard Häring 05 Sep '08

05 Sep '08

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 pysqlite 2.5.0 released ======================= I'm pleased to announce the availability of pysqlite 2.5.0. This is a release with major new features. Go to http://pysqlite.org/ for downloads, online documentation and reporting bugs. What is pysqlite? pysqlite is a DB-API 2.0-compliant database interface for SQLite. SQLite is a in-process library that implements a self-contained, serverless, zero-configuration, transactional SQL database engine. pysqlite makes this powerful embedded SQL engine available to Python programmers. It stays compatible with the Python database API specification 2.0 as much as possible, but also exposes most of SQLite's native API, so that it is for example possible to create user-defined SQL functions and aggregates in Python. If you need a relational database for your applications, or even small tools or helper scripts, pysqlite is often a good fit. It's easy to use, easy to deploy, and does not depend on any other Python libraries or platform libraries, except SQLite. SQLite itself is ported to most platforms you'd ever care about. It's often a good alternative to MySQL, the Microsoft JET engine or the MSDE, without having any of their license and deployment issues. pysqlite can be downloaded from http://pysqlite.org/ - Sources and Windows binaries for Python 2.5, 2.4 and Python 2.3 are available. ======= CHANGES ======= - - Windows binaries are now cross-built using mingw on Linux - - import various fixes from Python 2.6 version - - Connection has new method iterdump() that allows you to create a script file that can be used to clone a database - - the docs are now built using Sphinx and were imported from Python 2.6's sqlite3 module - - Connection.enable_load_extension(enabled) to allow/disallow extension loading. Allows you to use fulltext search extension, for example ;-) - - Give the remaining C functions used in multiple .c source files the pysqlite_ prefix. - - Release GIL during sqlite3_prepare() calls for better concurrency. - - Automatically download the SQLite amalgamation when building statically. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFIwZV3dIO4ozGCH14RAp1YAJwPIdgtCZY7E8YcDUjO/dzoAThblgCggfhs OATfXAb6JYXqb8eTadl9k74= =KU3f -----END PGP SIGNATURE-----

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GPCE'08 Call for Participation
by Emir Pasalic 05 Sep '08

05 Sep '08

< http://gpce08.gpce.org > Seventh International Conference on Generative Programming and Component Engineering (GPCE'08) Nashville, Tennessee (co-located with OOPSLA 2008) * Only Six Days Left for Early Registration * *** CALL FOR PARTICIPATION Generative and component approaches are revolutionizing software development similar to how automation and components revolutionized manufacturing. Generative Programming (developing programs that synthesize other programs), Component Engineering (raising the level of modularization and analysis in application design), and Domain-Specific Languages (elevating program specifications to compact domain-specific notations that are easier to write, maintain, and analyze) are key technologies for automating program development. GPCE provides a venue for researchers and practitioners interested in foundational techniques for enhancing the productivity, quality, and time-to-market in software development that stems from deploying standard components and automating program generation. In addition to exploring cutting-edge techniques for developing generative and component-based software, our goal is to foster further cross-fertilization between the software engineering research community and the programming languages community. GPCE 2008 will be co-located with OOPSLA, in Nashville, Tennessee. The GPCE technical program will take place on Oct. 19-20, before the OOPSLA technical program begins. Other GPCE events (workshops and tutorials) will run in parallel with OOPSLA events on Oct 21-23. GPCE'08 is sponsored by ACM SIGPLAN, in cooperation with ACM SIGSOFT. GPCE'08 proceedings published by ACM Press. For full conference program and the latest news, check the GPCE'08 web site (http://gpce08.gpce.org). **** REGISTRATION Registration for GPCE'08 is handled through the OOPSLA registration page (http://www.regmaster.com/conf/oopsla2008.html). Early registration deadline is Septermber 11. *** TECHNICAL PROGRAM Sunday, October 19 8:50-9:00 Welcome 9:00-10:00 Keynote Session Chair: Julia Lawall * Emerging Challenges for Large Scale Systems Integration Dr. Andrew Fano (Accenture) 10:30-12:00 Technical papers 1 Session Chair: Julia Lawall * Code Generation to Support Static and Dynamic Composition of Software Product Lines Marko Rosenmueller, Norbert Siegmund, Sven Apel and Gunter Saake. * Efficient Compilation Techniques for Large Scale Feature Models Marcilio Mendonca, Andrzej Wasowski, Krzysztof Czarnecki and Don Cowan. * On the Modularity of Feature Interactions Chang Hwan Peter Kim, Christian Kaestner and Don Batory. 13:30-15:00 Technical papers 2 Session Chair: Jaakko Jarvi * Using Simple Mathematics as a Modeling Language Don Batory. * From Generic to Specific: Off-line Optimization for General Constraint Solver Ye Zhang, Torben Amtoft and Flemming Nielson. * Generating Incremental Implementations of Object-Set Queries Tom Rothamel and Yanhong A. Liu. 15:30-17:00 Technical papers 3 Session Chair: Aniruddha Gokhale * Integrating Semantics and Compilation Peter Gottschling and Andrew Lumsdaine. * Generating Customized Verifiers for Automatically Generated Code Ewen Denney and Bernd Fischer. * Property Models: From Incidental Algorithms to Reusable Components Jaakko Jarvi, Mat Marcus, Sean Parent, John Freeman and Jacob Smith. 17:00-17:30 PC chair's report Monday, October 20 9:00-10:00 Keynote Session Chair: William Cook * Fundamentalist Functional Programming Erik Meijer (Microsoft) 10:30-12:00 Technical papers 4 Session Chair: William Cook * Feature Featherweight Java: A Calculus for Feature-Oriented Programming and Stepwise Refinement Sven Apel, Christian Kastner and Christian Lengauer. * Lightweight Dependent Classes Tetsuo Kamina and Tetsuo Tamai. * Typing Communicating Component Assemblages Michael Lienhardt, Vivien Quema, Alan Schmitt and Jean-Bernard Stefani. 14:00-15:00 Technical papers 5 Session Chair: David Abrahams * Polymorphic Embedding of DSLs Christian Hofer, Klaus Ostermann, Tillmann Rendel and Adriaan Moors. * Pantaxou: a Domain-Specific Language for Developing Safe Coordination Services Julien Mercadal, Nicolas Palix, Charles Consel and Julia Lawall. 15:30-17:00 Technical papers 6 Session Chair: Mark Grechanik * Program Refactoring using Functional Aspects Sven Apel, Christian Kastner and Don Batory. * Rigorous and Practical Refactoring-Based Framework Upgrade Ilie Savga, Michael Rudolf, Sebastian Gotz and Uwe Assmann. * An abstraction for reusable MDD components Vinay Kulkarni and Sreedhar Reddy.

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Python Engineers
by William Currence 05 Sep '08

05 Sep '08

Good morning, I'm having trouble finding experienced Python engineers in the Annapolis/DC area. Is this list an appropriate place to look? Thanks, Bill Currence

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[ANN] PyDM 1.1
by Mohamed Yousef 05 Sep '08

05 Sep '08

PyDM 1.1 is released and now available from http://sourceforge.net/projects/pycdm/ ---- PyDM is a Multi-Threaded Download Manager in Python , this is the second release Features :- 1) Http handling at socket level no external http libs 2) Two interfaces with core , one in Qt and the other is Console 3) Download Pausing (Qt Interface) 4) Download Resume (Qt Interface) 5) Saving Downloaded Files in a list (Powered by SQLite) 6) Configuration file (PyDM.ini) for number of threads,Temp Directory and download directory 7) Displaying Rate/Status/Url/Filename for each downloaded file Regards , Mohamed Yousef

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[ANN] final 2008 Python courses, San Francisco
by wesley chun 05 Sep '08

05 Sep '08

Need to get up-to-speed with Python as quickly as possible? Come join me, Wesley Chun, author of Prentice-Hall's bestseller "Core Python Programming," for another comprehensive intro course plus a 1-day Internet programming course coming up in November in beautiful Northern California! I look forward to meeting you! (Comprehensive) Introduction to Python Mon-Wed, 2008 Nov 10-12, 9am-5pm Internet Programming with Python Sat, 2008 Nov 15, 9am-5pm courses can be taken separately or combined for a discounted price. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - (COMPREHENSIVE) INTRODUCTION TO PYTHON Although this course may appear to those new to Python, it is also perfect for those who have tinkered with it and want to "fill in the gaps" and/or want to get more in-depth formal training. It combines the best of both an introduction to the language as well as a "Python Internals" training course. We will immerse you in the world of Python in only a few days, showing you more than just its syntax (which you don't really need a book to learn, right?). Knowing more about how Python works under the covers, including the relationship between data objects and memory management, will make you a much more effective Python programmer coming out of the gate. 3 hands-on labs each day will help hammer the concepts home. Come find out why Google, Yahoo!, Disney, ILM/LucasFilm, VMware, NASA, Ubuntu, YouTube, and Red Hat all use Python. Users supporting or jumping to Plone, Zope, TurboGears, Pylons, Django, Google App Engine, Jython, IronPython, and Mailman will also benefit! - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - INTERNET PROGRAMMING WITH PYTHON This is a one-day course with lecture and lab exposing attendees to FOUR distinct areas of Internet programming: * Network Programming using Sockets -- we introduce client/server architecture and how to program sockets using Python. * Internet Client Programming -- we learn how to use Python's standard library to create FTP, NNTP, POP3, and SMTP clients * Web Programming -- before you jump on all the web framework bandwagons, it's a good idea to learn basics and the basis of how all web servers deliver dynamic content back to the client browser to prepare you better when jumping to a full-stack web framework * Intro to Django -- a lightweight introduction to the Django web framework including whipping up a very simple blog application in 20min! - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - WHERE: near the San Francisco Airport (SFO/San Bruno), CA, USA WEB: http://cyberwebconsulting.com (click "Python Training") FLYER: http://starship.python.net/crew/wesc/flyerPP1combo.pdf LOCALS: easy freeway (101/280/380) with lots of parking plus public transit (BART and CalTrain) access via the San Bruno stations, easily accessible from all parts of the Bay Area VISITORS: free shuttle to/from the airport, free high-speed internet, free breakfast and regular evening receptions; fully-equipped suites See website for costs, venue info, and registration. Discounts are available for multiple registrations as well as for teachers/students. Hope to see you there! -- wesley - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - "Core Python Programming", Prentice Hall, (c)2007,2001 http://corepython.com "Python Web Development with Django", Addison Wesley, (c) 2008 http://withdjango.com wesley.j.chun :: wescpy-at-gmail.com python training and technical consulting cyberweb.consulting : silicon valley, ca http://cyberwebconsulting.com

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web2py 1.40 is out
by Massimo Di Pierro 03 Sep '08

03 Sep '08

web2py 1.40 is out A web2py book is out too: http://he-cda.wiley.com/WileyCDA/Section/id-321954.html Here is a sample: http://mdp.cti.depaul.edu/examples/static/web2py_manual_cut.pdf Here are some videos: http://www.vimeo.com/videos/search:web2py version 1.40 includes: - Database Abstraction Layer for SQLite, MySQL, PostgreSQL, MSSQL, FireBird, Oracle, and the Google App Engine. - More handlers for wsgi, fastcgi, mod_python and cgi (for the google app engine). - Setup scripts for production deployment. SUPER EASY =========== Here is an example of a complete minimalist web app: def index(): return "Hello World" Here is an example of a complete minimalist web app with a counter: def index(): session.counter=session.counter+1 if session.counter else 1 return dict(counter=session.counter) EXPRESSIVE =========== Here is an example of a complete app that asks your name and greats you with an AJAX flash message: def index(): form=FORM(INPUT(_name='your_name',requires=IS_NOT_EMPTY ()),INPUT(_type='submit')) if form.accepts(request.vars): response.flash='Hello '+form.vars.your_name return dict(form=form) POWERFUL ========== Here is an example of a complex query (nested select): rows=db(db.table1.field1.belongs(db()._select (db.table2.field2)).select(orderby=db.table1.field2,limitby=(10,20)) a left join: rows=db().select(db.table1.ALL,db.table2.ALL,left=db.table2.on (db.table1.field1==db.table2.field2)) Have fun! Massimo

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Python-announce-list September 2008