Mailman 3 October 2007 - Python-announce-list

[ANN] Data Plotting Library DISLIN 9.2
by Helmut Michels 10 Oct '07

10 Oct '07

Dear Python users, I am pleased to announce version 9.2 of the data plotting software DISLIN. DISLIN is a high-level and easy to use plotting library for displaying data as curves, bar graphs, pie charts, 3D-colour plots, surfaces, contours and maps. Several output formats are supported such as X11, VGA, PostScript, PDF, CGM, WMF, HPGL, TIFF, GIF, PNG, BMP and SVG. The software is available for the most C, Fortran 77 and Fortran 90/95 compilers. Plotting extensions for the interpreting languages Perl, Python and Java are also supported. DISLIN distributions and manuals in PDF, PostScript and HTML format are available from the DISLIN home page http://www.dislin.de and via FTP from the server ftp://ftp.gwdg.de/pub/grafik/dislin All DISLIN distributions are free for non-commercial use. Licenses for commercial use are available from the site http://www.dislin.de. ------------------- Helmut Michels Max Planck Institute for Solar System Research Phone: +49 5556 979-334 Max-Planck-Str. 2 Fax : +49 5556 979-240 D-37191 Katlenburg-Lindau Mail : michels(a)mps.mpg.de

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ANNOUNCE: omniORB 4.1.1 and omniORBpy 3.1
by Duncan Grisby 10 Oct '07

10 Oct '07

I am pleased to announce that omniORB 4.1.1 and omniORBpy 3.1 are now available. omniORB is a robust, high performance CORBA implementation for C++; omniORBpy is a version for Python. You can download them in source and Windows binary forms from SourceForge: http://sourceforge.net/project/showfiles.php?group_id=51138&package_id=4491… http://sourceforge.net/project/showfiles.php?group_id=51138&package_id=4863… These are mainly bug fix releases, with a number of minor new features. See the release notes and bug lists for more details: For omniORB 4.1.1: http://sourceforge.net/project/shownotes.php?release_id=544978&group_id=511… http://omniorb.sourceforge.net/bugs/bugfixes-410.html For omniORBpy 3.1: http://sourceforge.net/project/shownotes.php?release_id=544980&group_id=511… http://omniorb.sourceforge.net/pybugs/bugfixes-30.html Duncan. -- -- Duncan Grisby -- -- duncan(a)grisby.org -- -- http://www.grisby.org --

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Regular Toronto-area Python User's Group meeting next Tuesday
by Mike C. Fletcher 09 Oct '07

09 Oct '07

We will be holding our regular PyGTA meeting next Tuesday, the 16th of October. Topic proposed is: Continuations, Tasklets, Co-routines and Micro-threading. Be the first on your block to be able to say "I broke my brain with Python!" This is the ever-so-neat deep-dark computer-science-y stuff that everyone loves to expand their minds around while drinking copious quantities of caffeine. As usual, we'll gather at the lovely Linux Caffe at the corner of Grace and Harbord in downtown Toronto, just one block South of Christie station. We'll aim to start the meeting at 7:00pm. More details at: http://www.pygta.org/ Have fun all, Mike -- ________________________________________________ Mike C. Fletcher Designer, VR Plumber, Coder http://www.vrplumber.com http://blog.vrplumber.com

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[ANN] Release 0.65.2 of Task Coach
by Frank Niessink 08 Oct '07

08 Oct '07

Hi, I'm happy to announce release 0.65.2 of Task Coach. This release is aimed at performance improvement. Bugs fixed: * Slow performance. * Don't require administrator privileges for installation on Windows XP/Vista. What is Task Coach? Task Coach is a simple task manager that allows for hierarchical tasks, i.e. tasks in tasks. Task Coach is open source (GPL) and is developed using Python and wxPython. You can download Task Coach from: http://www.taskcoach.org In addition to the source distribution, packaged distributions are available for Windows XP, Mac OSX, and Linux (Debian and RPM format). Note that Task Coach is alpha software, meaning that it is wise to back up your task file regularly, and especially when upgrading to a new release. Cheers, Frank

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ANN: Pyrex 0.9.6.1
by Greg Ewing 08 Oct '07

08 Oct '07

Pyrex 0.9.6.1 is now available: http://www.cosc.canterbury.ac.nz/~greg/python/Pyrex/ This version fixes a few minor problems that turned up in the initial 0.9.6 release. What is Pyrex? -------------- Pyrex is a language for writing Python extension modules. It lets you freely mix operations on Python and C data, with all Python reference counting and error checking handled automatically.

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[ANN] Leipzig Python User Group - Meeting, October 9, 2007, 08:00pm
by Mike Müller 07 Oct '07

07 Oct '07

=== Leipzig Python User Group === We will meet on Tuesday, Oktober 9 at 08:00pm at the training center of Python Academy in Leipzig, Germany ( http://www.python-academy.com/center/find.html ). Markus Zapke-Gründemann will present an example application with Nevow. 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 encouraged to participate. 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 . Mike == Leipzig Python User Group === Wir treffen uns am Dienstag, 09.10.2007 um 20:00 Uhr im Schulungszentrum der Python Academy in Leipzig ( http://www.python-academy.de/Schulungszentrum/anfahrt.html ). Markus Zapke-Gründemann wird eine Beispielanwendung mit Nevow vorstellen. 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 Mike

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ANN: pyparsing 1.4.8 released
by Paul McGuire 07 Oct '07

07 Oct '07

I'm happy to announce that I have just uploaded the latest release (v1.4.8) of pyparsing. This release has a few new features and corresponding demonstration examples. There are also a few minor bug-fixes, and a performance speedup in the operatorPrecedence method. Here are the notes: - Added new helper method nestedExpr to easily create expressions that parse lists of data in nested parentheses, braces, brackets, etc. - Added withAttribute parse action helper, to simplify creating filtering parse actions to attach to expressions returned by makeHTMLTags and makeXMLTags. Use withAttribute to qualify a starting tag with one or more required attribute values, to avoid false matches on common tags such as <TD> or <DIV>. - Added new examples nested.py and withAttribute.py to demonstrate the new features. - Added performance speedup to grammars using operatorPrecedence, instigated by Stefan Reichör - thanks for the feedback, Stefan! - Fixed bug/typo when deleting an element from a ParseResults by using the element's results name. - Fixed whitespace-skipping bug in wrapper classes (such as Group, Suppress, Combine, etc.) and when using setDebug(), reported by new pyparsing user dazzawazza on SourceForge, nice job! - Added restriction to prevent defining Word or CharsNotIn expressions with minimum length of 0 (should use Optional if this is desired), and enhanced docstrings to reflect this limitation. Issue was raised by Joey Tallieu, who submitted a patch with a slightly different solution. Thanks for taking the initiative, Joey, and please keep submitting your ideas! - Fixed bug in makeHTMLTags that did not detect HTML tag attributes with no '= value' portion (such as "<td nowrap>"), reported by hamidh on the pyparsing wiki - thanks! - Fixed minor bug in makeHTMLTags and makeXMLTags, which did not accept whitespace in closing tags. Download pyparsing 1.4.8 at http://sourceforge.net/projects/pyparsing/. The pyparsing Wiki is at http://pyparsing.wikispaces.com -- Paul ======================================== Pyparsing is a pure-Python class library for quickly developing recursive-descent parsers. Parser grammars are assembled directly in the calling Python code, using classes such as Literal, Word, OneOrMore, Optional, etc., combined with operators '+', '|', and '^' for And, MatchFirst, and Or. No separate code-generation or external files are required. Pyparsing can be used in many cases in place of regular expressions, with shorter learning curve and greater readability and maintainability. Pyparsing comes with a number of parsing examples, including: - "Hello, World!" (English, Korean, Greek, and Spanish(new)) - chemical formulas - configuration file parser - web page URL extractor - 5-function arithmetic expression parser - subset of CORBA IDL - chess portable game notation - simple SQL parser - Mozilla calendar file parser - EBNF parser/compiler - Python value string parser (lists, dicts, tuples, with nesting) (safe alternative to eval) - HTML tag stripper - S-expression parser - macro substitution preprocessor

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ANN: Pyrex 0.9.6
by Greg Ewing 07 Oct '07

07 Oct '07

Pyrex 0.9.6 is now available: http://www.cosc.canterbury.ac.nz/~greg/python/Pyrex/ There is a *lot* of new stuff in this version, too much to fit into this announcement. Read all about it here: http://www.cosc.canterbury.ac.nz/greg.ewing/python/Pyrex/changes-0.9.6.html What is Pyrex? -------------- Pyrex is a language for writing Python extension modules. It lets you freely mix operations on Python and C data, with all Python reference counting and error checking handled automatically.

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Tutorial: Introduction to Galaxy - a Python/WSGI framework for genomics
by ross.lazarus＠gmail.com 06 Oct '07

06 Oct '07

A free, 2 hour hands-on tutorial for genomics software developers will be offered by the Galaxy team at the start of this year's American Society for Human Genetics meeting Tuesday, October 23 4:00pm - 6:00pm, San Diego Marriott Hotel and Marina. See http://ashg2007.g2.bx.psu.edu/ for details and signup. Galaxy is a mature, open-source, translational genomics workbench framework, written in Python, and designed to make it easy for developers and bioinformaticians to provide a consistent, integrated, web based interface to genomics applications and resources for command line averse biologists. Galaxy supports reproducible research by persisting each step in an analysis as seen in http://screencast.g2.bx.psu.edu/MainUseExample.mov , and features low- impedence integration with major data and annotation sources including BioMart and UCSC. The main Galaxy site at http://main.g2.bx.psu.edu/ offers a free, public service, but a local Mac or Linux private server test installation is quick (see http://g2.trac.bx.psu.edu/wiki/HowToInstall), and the Galaxy tool menu in a private instance is easily extended - any command line executable that takes command line parameters (including Python, R, and perl scripts, Java, compiled C++, or even Cobol...anything the target machine can execute) can be "wrapped" into a Galaxy tool by providing a simple XML interface specification (see the screencast at http://g2.trac.bx.psu.edu/wiki/AddToolTutorial). (If you plan on coming, and have a Mac or Linux laptop, please pre- install Galaxy to save time and load on the alternative arrangements we're making for Win laptop users)

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Version 0.3.7 of the config module has been released
by Vinay Sajip 05 Oct '07

05 Oct '07

Version 0.3.7 of the Python config module has been released. What Does It Do? ================ The config module allows you to implement a hierarchical configuration scheme with support for mappings and sequences, cross-references between one part of the configuration and another, the ability to flexibly access real Python objects, facilities for configurations to include and cross-reference one another, simple expression evaluation and the ability to change, save, cascade and merge configurations. You can easily integrate with command line options using optparse. This module has been developed on python 2.3 but should work on version 2.2 or greater. A test suite using unittest is included in the distribution. A very simple configuration file (simple.cfg): # starts here message: Hello, world! #ends here a very simple program to use it: from config import Config cfg = Config(file('simple.cfg')) print cfg.message results in: Hello, world! Configuration files are key-value pairs, but the values can be containers that contain further values. A simple example - with the example configuration file: messages: [ { stream : `sys.stderr` message: 'Welcome' name: 'Harry' } { stream : `sys.stdout` message: 'Welkom' name: 'Ruud' } { stream : $messages[0].stream message: 'Bienvenue' name: Yves } ] a program to read the configuration would be: from config import Config f = file('simple.cfg') cfg = Config(f) for m in cfg.messages: s = '%s, %s' % (m.message, m.name) try: print >> m.stream, s except IOError, e: print e which, when run, would yield the console output: Welcome, Harry Welkom, Ruud Bienvenue, Yves The above example just scratches the surface. There's more information about this module available at http://www.red-dove.com/python_config.html Comprehensive API documentation is available at http://www.red-dove.com/config/index.html As always, your feedback is most welcome (especially bug reports, patches and suggestions for improvement). Enjoy! Cheers Vinay Sajip Red Dove Consultants Ltd. Changes since the last release posted on comp.lang.python[.announce]: ===================================================== Added Mapping.__delitem__ (patch by John Drummond). Mapping.__getattribute__ no longer returns "" when asked for "__class__" - doing so causes pickle to crash (reported by Jamila Gunawardena). Allow negative numbers (reported by Gary Schoep; had already been fixed but not yet released).

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Python-announce-list October 2007