Python-announce-list October 2006

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46 participants
73 discussions

Shed Skin Optimizing Python-to-C++ Compiler 0.0.10
by Mark Dufour 18 Jan '07

18 Jan '07

Hi all, I have just released version 0.0.10 of Shed Skin, an optimizing Python-to-C++ compiler. It allows for translation of pure (unmodified), implicitly statically typed Python programs into optimized C++, and hence, highly optimized machine language. Many non-trivial benchmarks (ray tracer, chess player, othello player, sat solver, 3 sudoku solvers..) run typically 2-40 times faster than when using Psyco, 12 times on average, and 2-220 times than when using CPython, 45 times on average. Besides many bug fixes, this release adds many error messages for unsupported features, so it should be much easier to try out the compiler and work around problems. Please download this new release from http://mark.dufour.googlepages.com and let me know about any problems/successes. Thanks, Mark Dufour. -- if vars: self.output('; '.join([self.type(var)+' '+name for (name,var) in vars.items()])+';')

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ANN: Advanced Python training course, Nov 8-10, San Francisco
by wesley chun 12 Jan '07

12 Jan '07

FINAL REMINDER... we still have some seats left! What: Advanced Python Programming When: Nov 8-10 2006 Where: San Francisco (SFO/San Bruno), CA, USA http://cyberwebconsulting.com (click on "Python Training") This course, meant to follow our in-depth introduction class, adds new tools to the Python programmer's toolkit. We explore advanced topics such as: network programming with sockets, Internet clients, GUI development, Web/CGI, databases/SQL, Extending Python with C, threads, etc. Lectures and lab will get attendees comfortable developing applications in these areas. Come join us in beautiful Northern California for another rigorous Python training event taught by software engineer, "Core Python Programming" author, and technical instructor, Wesley Chun. This course will take place in San Bruno right near the San Francisco International Airport at the: Staybridge Suites San Francisco Airport 1350 Huntington Ave San Bruno, CA 94066 USA +1-650-588-0770 LOCALS: accessible from the entire Bay Area: parking + easy 101/280/380 access, across the street from San Bruno BART and up the street from San Bruno CalTrain stations VISITORS: free shuttle to/from the airport, lots of free food and wireless The cost is $1295 per attendee. Discounts available. For more information and registration, go to the website above. 2007 CALENDAR: Feb 7-9 (Intro), May 16-18 (Advanced), Aug 20-22 (Intro) hope to see you in class! -- wesley - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - "Core Python Programming", Prentice Hall, (c)2007,2001 http://corepython.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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lxml 1.1.2 released
by Stefan Behnel 30 Oct '06

30 Oct '06

Hi everyone, after a month of bug tracing and fixing, lxml 1.1.2 finally made it to the cheeseshop. http://cheeseshop.python.org/pypi/lxml This is mainly a bugfix release for the stable and production-ready 1.1 series, the changelog is below. As there were a number of important fixes, updating is recommended. What is lxml? """ lxml is a Pythonic binding for the libxml2 and libxslt libraries. It provides safe and convenient access to these libraries using the ElementTree API. It extends the ElementTree API significantly to offer support for XPath, RelaxNG, XML Schema, XSLT, C14N and much more. Lxml also features a sophisticated API for custom element classes. This is a simple way to write arbitrary XML driven APIs on top of lxml. There is a separate module lxml.objectify that implements a data-binding API on top of lxml.etree. """ See the web page for more information and documentation: http://codespeak.net/lxml/ Have fun, Stefan 1.1.2 (2006-10-30) Features added * Data elements in objectify support repr(), which is now used by dump() * Source distribution now ships with a patched Pyrex * New C-API function makeElement() to create new elements with text, tail, attributes and namespaces * Reuse original parser flags for XInclude * Simplified support for handling XSLT processing instructions Bugs fixed * Parser resources were not freed before the next parser run * Open files and XML strings returned by Python resolvers were not closed/freed * Crash in the IDDict returned by XMLDTDID * Copying Comments and ProcessingInstructions failed * Memory leak for external URLs in _XSLTProcessingInstruction.parseXSL() * Memory leak when garbage collecting tailed root elements * HTML script/style content was not propagated to .text * Show text xincluded between text nodes correctly in .text and .tail * 'integer * objectify.StringElement' operation was not supported

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ANN: Porcupine Web Application Server 0.0.8 released
by t.koutsovassilis＠gmail.com 30 Oct '06

30 Oct '06

The brand new version of Porcupine introduces quite a few new cool features and many improvements that ease and accelerate the development process. Our main goal was to remove any constraints that expect the files of a Porcupine application to reside inside more than one folder tree. As a result, it is now attainable to develop your application working inside a single folder tree only. The application object was greatly simplified. The application's UI XML definition along with its script are now external files instead of having them embedded inside the object. This way, you can easily edit these files using your favourite editor. Additionally, the Porcupine desktop includes a new utility called HyperSearch. Use this utility to search the entire Porcupine database for objects that meet specific criteria such as text parts contained in their title or description and their modification date. The QuiX engine includes a completely rewritten event subsystem, in order to achieve a unified way of attaching and detaching DOM and custom event handlers. Furthermore, QuiX is now compatible with Internet Explorer 7 including many performance enhancements. Two new widgets are also added to the list of available widgets. An IFrame widget that enables the display of external sites inside the Porcupine desktop, and a group box. Enjoy. Resources ========= What is Porcupine? http://www.innoscript.org/content/view/30/42/ Porcupine online demo: http://www.innoscript.org/content/view/21/43/ Porcupine Wiki: http://wiki.innoscript.org

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ANN: xmlbuilder - XML generator
by Gerard Flanagan 30 Oct '06

30 Oct '06

An XML generator: http://gflanagan.net/site/python/utils/xmlbuilder/ A single file: 'xmlbuilder.py'. The real work is done by the XmlWriter class from the ElementTree package. If you're on 2.5, then you'll need to get the file 'SimpleXMLWriter.py' from http://effbot.org/zone/element-index.htm and save it somewhere in your PYTHONPATH, eg. site-packages. Then change the import line in xmlbuilder.py : change from elementtree.SimpleXMLWriter import XMLWriter to from SimpleXMLWriter import XMLWriter ---------------------------------------------------------------------------- >>> xml = XmlFragment() >>> root = xml.div() >>> print root <_XmlElement div> >>> print xml <div /> >>> firstchild = root.p("Some text", id="1") >>> print xml <div><p id="1">Some text</p></div> >>> firstchild.br() <_XmlElement br> >>> print xml <div><p id="1">Some text<br /></p></div> >>> firstchild.add_text("more text, ") <_XmlText> >>> print xml <div><p id="1">Some text<br />more text, </p></div> >>> firstchild.add_text("and more.").br() <_XmlElement br> >>> print xml <div><p id="1">Some text<br />more text, and more.<br /></p></div> >>> root.add_comment("COMMENT") <_XmlComment> >>> print xml <div><p id="1">Some text<br />more text, and more.<br /></p> </div> ---------------------------------------------------------------------

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ANN: SPE 0.8.3.c Python IDE editor
by SPE - Stani's Python Editor 30 Oct '06

30 Oct '06

This is a maintenance release (mostly bug fixing) to prove that SPE is alive and well! In case you are using wxPython2.7 you'll need to upgrade to this release. Submitted patches will be reviewed and included if approved for next release. Thanks for all your patient support and continuing donations. The SPE 0.8.2.a release got downloaded 110550 times on berlios and sourceforge together. Not bad. This means SPE has not seen an update for a while or is getting very popular. Maybe both ;-) Installers are available for python 2.3, 2.4 and 2.5 for Windows and as a rpm including wxPython. Other operating systems can choose the no-setup.zip or targ.gz archives. A .deb archive is being prepared for Debian Linux systems such as Ubuntu. wxGlade is unfortunately not compatible with wxPython2.7. So if you want to use, you'll need wxPython2.6. :**Fixes**: - output is now done with a fixed font - uml.py is now again a stand alone demo - upgraded and fixed wxGlade - fixed for wxPython2.7 (and still backwards compatible with wxPython2.6) - updated NotebookCtrl :**Contributors**: - Andrea Gavana (NoteBookCtrl) - Alberto Griggio (wxGlade) - Michael Foord (python 2.3 + 2.5 releases for windows) :**Donations**: The development of SPE is driven by donations. Each of these donors receives the pdf manual in thanks for their support of SPE. - James Carroll (60 euro) - John DeRosa (50 euro) - Fumph LLC (50 euro) - Ronald Britton (40 euro) - David Downes (40 euro) - Jorge Carrillo (40 euro) - Nicolas Berney (40 euro) - Francois Schnell (30 euro) - Olivier Cortes (30 euro) - Ayrshire Business Consulting Limited (30 euro) - Chris White (25 euro) - Thomas Wengerek (20 euro) - John Rudolph (20 euro) - Michael O'Keefe (20 euro) - Michael Brickenstein (20 euro) - Richard Walkington (20 euro) - Oliver Tomic (20 euro) - Jose Maria Cortes Arnal (20 euro) - Jeffrey Emminger (20 euro) - Eric Pederson (20 $) - Charles Bosson (15 euro) - Angelo Caruso (15 euro) - Chris Hengge (15 $) - Loïc Allys (15 euro) - Marcin Chojnowski (15 euro) - Boris Krasnoiarov (15 euro) - Paul Furber (15 euro) - Gary Robson (15 euro) - Ralf Wieseler (15 euro) - Samuel Schulenburg (10 euro) - Leland Hulbert II (10 euro) - Javier De La Mata Viader (10 euro) - Dorman Musical Instruments (10 euro) - Jaroslaw Sliwinski (10 euro) - Alessandro Patelli (10 euro) - James Pretorius (10 euro) - Richard Wayne Garganta (10 euro) - Maurizio Bracchitta (10 euro) - Larry Lynch (10 euro) - Kay Fricke (10 euro) - Henrik Binggl (10 euro) - Jerol Harrington (10 euro) - Victor Adan (10 euro) - James Fuqua (10 euro) - Christian Seberino (5 euro) - Serge Smeesters (5 euro) - Jarek Libert (5 euro) - Robin Friedrich (5 euro) - Udo Rabe (5 euro) - Roch Leduc (4 euro) - Rha Diseno y Desarrollo (2 euro) :**Installation**: - See http://pythonide.stani.be/manual/html/manual2.html :**Development**: - http://developer.berlios.de/mail/?group_id=4161 About SPE: SPE is a python IDE with auto-indentation, auto completion, call tips, syntax coloring, uml viewer, syntax highlighting, class explorer, source index, auto todo list, sticky notes, integrated pycrust shell, python file browser, recent file browser, drag&drop, context help, ... Special is its blender support with a blender 3d object browser and its ability to run interactively inside blender. Spe integrates with XRCed (gui designer) and ships with wxGlade (gui designer), PyChecker (source code doctor), Kiki (regular expression console) and WinPdb (remote, multi-threaded debugger). The development of SPE is driven by its donations. Anyone who donates can ask for an nice pdf version of the manual without ads (74 pages).

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ANN: Pygments 0.5 released
by Georg Brandl 30 Oct '06

30 Oct '06

Pygments 0.5, the first public release, is available from http://cheeseshop.python.org/pypi/Pygments. Pygments aims to be a generic syntax highlighter for general use in all kinds of software such as forum systems, wikis or other applications that need to prettify source code. Highlights are: * a wide range of common languages and markup formats is supported * special attention is paid to details increasing quality by a fair amount * support for new languages and formats are added easily * a number of output formats is available, presently HTML, LaTeX and ANSI sequences * it is usable as a command-line tool and as a library * ... and it highlights even Brainf*ck! The home page is at <http://pygments.pocoo.org>. Read more in the FAQ list <http://pygments.pocoo.org/faq> or look at the documentation <http://pygments.pocoo.org/docs>. There is already a Trac plugin at <http://trac-hacks.org/wiki/TracPygmentsPlugin>. regards, Georg Brandl

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SocksiPy - A Python SOCKS module
by Dan Haim 29 Oct '06

29 Oct '06

It's a simple and small module I've written to allow some network-aware Python scripts to connect through proxy servers. It implements the Socks4 (including Socks4a), Socks5 and HTTP-Tunneling (CONNECT method) protocols. Currently it supports only outgoing TCP connections. Incoming and UDP may be supported in the future. Version: 1.00 License: BSD-Style (3-clause) Available at: http://socksipy.sourceforge.net SocksiPy 1.0 <http://socksipy.sourceforge.net/> - A Python SOCKS module. (25-Oct-2006)

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ANN: Introducing the new pydb debugger (1 ShowMeDo video)
by Ian Ozsvald 29 Oct '06

29 Oct '06

Summary: Rocky Bernstein has created a 13 minute video introducing you to his new pydb debugger. Rocky demonstrates the enhanced capabilities of this debugger and walks the viewer through solving a buggy piece of code: http://showmedo.com/videos/video?name=pythonBernsteinPydbIntro&fromSeriesID… This debugger will also appear in a future release of the IPython shell. About ShowMeDo.com: Free videos (we call them ShowMeDos) showing you how to do things. The videos are made by us and our users, for everyone. 39 of our 75 videos are for Python, with more to come. We'd love to have more contributions - would you share what you know? The founders, Ian Ozsvald, Kyran Dale ---- http://ShowMeDo.com ian(a)ShowMeDo.com

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ANN: Cssutils 0.9a6
by Chris 29 Oct '06

29 Oct '06

what is it ---------- A Python package to parse and build CSS Cascading Style Sheets. Partly implements the DOM Level 2 Stylesheets and DOM Level 2 CSS interfaces. changes since the last full release ----------------------------------- - complete rewrite of parser since 0.9 - customizable serializer - lots of other stuff known issues ------------ - CSSStyleDeclaration.getCSSValue and Value Classes are not implemented. These may be implemented in one of the next releases (0.91 or following) - @page rules is disabled (Unknown Rule will be used currently) - @charset not implemented according to spec (planed for 0.91) - CSS escape sequences do not work properly - Unexpected end of style sheet not handled according to spec - Properties are not bound to any CSS Version, so all properties are handled so *NOT* as described in http://www.w3.org/TR/CSS21/syndata.html#parsing-errors "Illegal values". (A future version might be customizable to a specific CSS version like 1.0 or 2.1) - Property.value is only checked for valid CSS2 properties, so will accept more than allowed. In case of an error a WARNING is issued only license ------- cssutils is published under the LGPL. download -------- download cssutils 0.9a6 - 061029 from http://cthedot.de/cssutils/ or from PyPi (which is currently down so the newest version is not uploaded yet) This is still an alpha release but much better than any older version. Any bug report is welcome. cssutils needs * Python 2.3 (tested with Python 2.5 on Windows XP and Python 2.4 on Ubuntu only) comments appreciated, thanks! christof hoeke

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Python-announce-list October 2006