Mailman 3 March 2009 - Python-announce-list

pywinauto 0.3.8 released - collection of changes from the last two years
by Mark Mc Mahon 15 Mar '09

15 Mar '09

Hi, The 0.3.8 release of pywinauto is now available. pywinauto is a set of open-source (LGPL) modules for using Python as a GUI automation 'driver' for Windows NT based Operating Systems (NT/W2K/XP). SourceForge project page: http://sourceforge.net/projects/pywinauto Download from SourceForge http://sourceforge.net/project/showfiles.php?group_id=157379 Here is the list of changes from 0.3.7: 0.3.8 Collecting improvements from last 2 years ------------------------------------------------------------------ 15-March-2009 * Fixed toolbar button pressing - This required for HwndWrapper.NotifyParent() to be updated (to accept a new ID parameter) * Fixed a bug wherea listview without a column control would make pywinauto fail to capture the dialog. * Converted documenation from Pudge generated to Sphinx Generated * Added some baic support for Pager and Progress controls (no tests yet) * Added some more VB 'edit' window classes * Added some more VB 'listbox' window classes * Added some more VB 'button' window classes * Ensured that return value from ComboBoxWrapper.SelectedIndices is always a tuple (there was a bug where it would sometimes be a ctypes array) * Changed default for finding windows to find disabled windows as well as enabled ones (previous was to find enabled windows only) (note this may impact scripts that relied on the previous setting i.e. in cases where two dialogs have the same title!) * Much better handling of InvalidWindowHandle during automation runs. This could be raised when a closing window is still available when the automation was called, but is gone half way through whatever function was called. * Made clicking more robust by adding a tiny wait between each SendMessageTimeout in _perform_click(). * Added attributes ``can_be_label`` and ``has_title`` to ``HwndWrapper`` and subclasses to specify whether a control can act as a label for other controls, and whether the title should be used for identifying the control. If you have created your own HwndWrapper subclasses you may need to override the defaults. * Added a ``control_id`` parameter to find_windows which allows finding windows based off of their control id's * Added a FriendlyClassName method to MenuItem * Split up the functions for button truncation data * Commented out code to get a new font if the font could not be recovered * Moved code to get the control font from Truncation test to handleprops * Added a function to get the string representation of the bug. (need to refactor PrintBugs at some point). * Fixed a variable name (from fname -> font_attrib as fname was not a defined variable!) * Forced some return values from MissingExtraString test to be Unicode * Fixed the MiscValues test (converted to Unicode and removed some extraneous characters) * Updated the path for all unittests * Made two unit tests sligthly more robust and less dependent on computer/app settings * Updated timing settings for unit tests * Updated the examples to work in dev environment. If you want to follow this project then please sign up to the mailing list: https://lists.sourceforge.net/mailman/listinfo/pywinauto-users Thanks Mark

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ANN: OpenOpt 0.23 - free numerical optimization framework
by dmitrey 15 Mar '09

15 Mar '09

Hi all, OpenOpt 0.23, a free Python-written numerical optimization framework (license: BSD) with some own solvers and connections to tens of 3rd party ones, has been released. Our new homepage: http://openopt.org Introduction to the framework: http://openopt.org/Foreword All release details are here: http://openopt.org/Changelog or http://forum.openopt.org/viewtopic.php?id=58 Special thanks to Stepan Hlushak for writing GLP (global) solver "de" ("differential evolution"). Regards, OpenOpt developers.

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Papywizard 2.0.0
by Frédéric 15 Mar '09

15 Mar '09

I'm pleased to announce the new release of Papywizard 2.0.0! http://trac.gbiloba.org/papywizard This new branch now uses PyQt as graphical toolkit. This first release does not add many new features, and is more or less the same as the 1.6.1. But it can now run on MacOS (binary package coming soon). Main new features ----------------- - switch to PyQt - external script support for tethered shooting - shutter triggering pulse width param What is Papywizard? ------------------- Papywizard is a free panohead control software, mainly developped for the Merlin/Orion astronomic mount[1][2] but usable for other panoheads, as long as it is possible to talk to them (hardware/software). The project is developped with the support of Kolor company[3], which develops the famous Autopano Pro stitcher software[4]. Comments, questions and bug reports must be posted on APP forums[5]. Enjoy! [1]http://www.astronome.fr/produit-monture-multi-fonctions-merlin-696.html [2]http://www.telescope.com/control/product/~category_id=mounts_and_tripods/… [3]http://www.kolor.com [4]http://www.autopano.net [5]http://www.autopano.net/forum -- Frédéric

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Introduction to Python Masterclass, May 11-13, 2009 in Chicago
by David Beazley 14 Mar '09

14 Mar '09

* * Introduction to Python Masterclass * * May 11-13, 2009 Chicago, Illinois with David Beazley, author "Python Essential Reference" http://www.dabeaz.com/chicago Take your Python programming skills to the next level. David Beazley is pleased to offer a comprehensive hands-on course for programmers, scientists, and engineers who want to master the essential elements of Python programming in order to solve real-world problems in data processing, systems administration, databases, and software integration. If you are new to Python, this class will quickly bring you up to speed and allow you to immediately apply Python to problems you face everyday. If you already know some Python, this course will give you new insights, inspire you to improve the programs you have already written, and give you a roadmap towards Python 3 and beyond. This is the same class that Dave has taught on-site to more than 400 students including rocket scientists, robot builders, hardware engineers, financial wizards, and web programmers. Forget about the midwest winter and mind-numbing suburban technology parks---the venue for this class is centrally located in the heart of Chicago's vibrant downtown financial/theater district. When class is not in session, you will be just steps away from many of Chicago's most famous cultural attractions, shopping districts, and lakefront parks. Come prepared for three days of serious Python instruction and springtime urban exploration. More details about the class including discounts for early registration can be found at: http://www.dabeaz.com/chicago I hope to see you there! -- Dave Beazley http://www.dabeaz.com

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Cython 0.11 Released
by Robert Bradshaw 14 Mar '09

14 Mar '09

The Python compiler Cython 0.11 was just released. We would like to thank Stefan Behnel, Robert Bradshaw, Ondrej Certik, Lisandro Dalcin, Jason Evans, Magnus Lie Hetland, Hoyt Koepke, and Dag Sverre Seljebotn who contributed code to this release, as well as the many others who contributed ideas, bug reports, and feedback. What is Cython? ===================== Cython is a language that makes writing C extensions for the Python language as easy as Python itself. Cython is based on the well-known Pyrex, but supports more cutting edge functionality and optimizations. The Cython language is very close to the Python language, but Cython additionally supports calling C functions and declaring C types on variables and class attributes. This allows the compiler to generate very efficient C code from Cython code. This makes Cython the ideal language for wrapping for external C libraries, and for fast C modules that speed up the execution of Python code. Where to get it? ===================== http://cython.org/ http://pypi.python.org/pypi/Cython/ Release Notes ===================== The majority of changes in this version are internal, the largest of which is moving most temp allocation to the code generation phase which has several advantages and will greatly facilitate future development. In conjunction with this, Dag Sverre Seljebotn wrote a "reference counting nanny" which, when enabled, warns of potential double-frees and memory-leaks. Though it will not find memory leaks in user code (malloc is just as dangerous as ever) it is a great tool for verifying that Cython itself is outputting correct code and is an invaluable consistency check during the many changes we've been making to temporary variable handling. There have also been many improvements for developers--for example, the parse tree is printed on compiler crashes, the testing framework has been enhanced, and there is a mode to produce output files interlaced with the compiler's call stacks to more easily trace what's going on. The most visible new user-level features are size_t as a native type (as part of Lisandro Dalcin's cleanup and improvement of Python <-> C type conversions) and proper Python semantics for optimized range() loops (Magnus Lie Hetland). C(p)def functions can now take decorators, though only @cython.locals is currently supported, and inline functions can appear in .pxd files. There were also numerious bug fixes, optimizations, and general code cleanups that happened in this release too. A list of closed tickets can be found at http://trac.cython.org/ cython_trac/query?group=component&milestone=0.11 . Though not every change is associated to a trac ticket, we plan to be more stringent about this in the future. We have several patches already done that didn't make it into 0.11, and so 0.11.1 will be out soon.

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Roundup Issue Tracker release 1.4.7
by Richard Jones 13 Mar '09

13 Mar '09

I'm proud to release version 1.4.7 of Roundup. 1.4.7 is primarily a bugfix release which contains important security fixes: - a number of security issues were discovered by Daniel Diniz - EditCSV and ExportCSV altered to include permission checks - HTTP POST required on actions which alter data - HTML file uploads served as application/octet-stream - Handle Unauthorised in file serving correctly - New item action reject creation of new users - Item retirement was not being controlled - Roundup is now compatible with Python 2.6 - Improved French and German translations - Improve consistency of item sorting in HTML interface - Various other small bug fixes, robustification and optimisation Though some new features made it in also: - Provide a "no selection" option in web interface selection widgets - Debug logging now uses the logging module rather than print - Allow CGI frontend to serve XMLRPC requests. - Added XMLRPC actions, as well as bridging CGI actions to XMLRPC actions. - Optimized large file serving via mod_python / sendfile(). - Support resuming downloads for (large) files. If you're upgrading from an older version of Roundup you *must* follow the "Software Upgrade" guidelines given in the maintenance documentation. Roundup requires python 2.3 or later for correct operation. To give Roundup a try, just download (see below), unpack and run:: roundup-demo Release info and download page: http://cheeseshop.python.org/pypi/roundup Source and documentation is available at the website: http://roundup.sourceforge.net/ Mailing lists - the place to ask questions: http://sourceforge.net/mail/?group_id=31577 About Roundup ============= Roundup is a simple-to-use and -install issue-tracking system with command-line, web and e-mail interfaces. It is based on the winning design from Ka-Ping Yee in the Software Carpentry "Track" design competition. Note: Ping is not responsible for this project. The contact for this project is richard(a)users.sourceforge.net. Roundup manages a number of issues (with flexible properties such as "description", "priority", and so on) and provides the ability to: (a) submit new issues, (b) find and edit existing issues, and (c) discuss issues with other participants. The system will facilitate communication among the participants by managing discussions and notifying interested parties when issues are edited. One of the major design goals for Roundup that it be simple to get going. Roundup is therefore usable "out of the box" with any python 2.3+ installation. It doesn't even need to be "installed" to be operational, though a disutils-based install script is provided. It comes with two issue tracker templates (a classic bug/feature tracker and a minimal skeleton) and four database back-ends (anydbm, sqlite, mysql and postgresql).

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ANN: AsciiDoc 8.4.1 released
by Stuart Rackham 13 Mar '09

13 Mar '09

This release introduces the new Python API for AsciiDoc (http://www.methods.co.nz/asciidoc/asciidocapi.html). All additions and changes are detailed in the changelog: http://www.methods.co.nz/asciidoc/CHANGELOG.html What is it? ----------- AsciiDoc is an uncomplicated text document format for writing articles, documentation, manuals, books and UNIX man pages. AsciiDoc files can be translated to HTML, XHTML and DocBook (articles, books and refentry documents) using the asciidoc(1) command. DocBook can be post-processed to presentation formats such as HTML, PDF, DVI, roff and Postscript using the a2x toolchain wrapper and readily available Open Source tools. AsciiDoc is configurable: both the AsciiDoc source file syntax and the backend output markups (which can be almost any type of SGML/XML markup) can be customized and extended by user. Requisites ---------- Python 2.4 or higher. Obtaining AsciiDoc ------------------ The latest AsciiDoc version, examples and online documentation can be downloaded from http://www.methods.co.nz/asciidoc/ AsciiDoc can also be downloaded from the SourceForge at http://sourceforge.net/projects/asciidoc/ The online Mercurial repository is at http://hg.sharesource.org/asciidoc/ Regards, Stuart -- Stuart Rackham

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ANN: Urwid 0.9.8.4 - Console UI Library
by Ian Ward 13 Mar '09

13 Mar '09

Announcing Urwid 0.9.8.4 ------------------------ Urwid home page: http://excess.org/urwid/ Tarball: http://excess.org/urwid/urwid-0.9.8.4.tar.gz RSS: http://excess.org/feeds/tag/urwid/ About this release: =================== This is a maintenance release that adds compatibility with Python 2.6 and fixes a number of bugs. New in this release: ==================== * Fixed incompatibilities with Python 2.6 (by Friedrich Weber) * Fixed a SimpleListWalker with emptied list bug (found by Walter Mundt) * Fixed a curses_display stop()/start() bug (found by Christian Scharkus) * Fixed an is_wide_character() segfault on bad input data bug (by Andrew Psaltis) * Fixed a CanvasCache with render() used in both a widget and its superclass bug (found by Andrew Psaltis) * Fixed a ListBox.ends_visible() on empty list bug (found by Marc Hartstein) * Fixed a tutorial example bug (found by Kurtis D. Rader) * Fixed an Overlay.keypress() bug (found by Andreas Klöckner) * Fixed setuptools configuration (by Andreas Klöckner) About Urwid =========== Urwid is a console UI library for Python. It features fluid interface resizing, UTF-8 support, multiple text layouts, simple attribute markup, powerful scrolling list boxes and flexible interface design. Urwid is released under the GNU LGPL.

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[ANN] PyTables 2.1.1 released
by Francesc Alted 13 Mar '09

13 Mar '09

=========================== Announcing PyTables 2.1.1 =========================== PyTables is a library for managing hierarchical datasets and designed to efficiently cope with extremely large amounts of data with support for full 64-bit file addressing. PyTables runs on top of the HDF5 library and NumPy package for achieving maximum throughput and convenient use. This is a maintenance release, so you should not expect API changes. Instead, a handful of bugs, like `File` not being subclassable, incorrectly retrieved default values for data types, a memory leak, and more, have been fixed. Besides, some enhancements have been implemented, like improved Unicode support for filenames, better handling of Unicode attributes, and the possibility to create very large data types exceeding 64 KB in size (with some limitations). Last but not least, this is the first PyTables version fully tested against Python 2.6. It is worth noting that binaries for Windows and Python 2.6 wears the newest HDF5 1.8.2 libraries (instead of the traditional HDF5 1.6.x) now. In case you want to know more in detail what has changed in this version, have a look at: http://www.pytables.org/moin/ReleaseNotes/Release_2.1.1 You can download a source package with generated PDF and HTML docs, as well as binaries for Windows, from: http://www.pytables.org/download/stable For an on-line version of the manual, visit: http://www.pytables.org/docs/manual-2.1.1 You may want to fetch an evaluation version for PyTables Pro from: http://www.pytables.org/download/evaluation Resources ========= About PyTables: http://www.pytables.org About the HDF5 library: http://www.hdfgroup.org/HDF5/ About NumPy: http://numpy.scipy.org/ Acknowledgments =============== Thanks to many users who provided feature improvements, patches, bug reports, support and suggestions. See the ``THANKS`` file in the distribution package for a (incomplete) list of contributors. Most specially, a lot of kudos go to the HDF5 and NumPy (and numarray!) makers. Without them, PyTables simply would not exist. Share your experience ===================== Let us know of any bugs, suggestions, gripes, kudos, etc. you may have. ---- **Enjoy data!** -- The PyTables Team -- Francesc Alted

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Concurrence Framework 0.3 Released
by Henk 13 Mar '09

13 Mar '09

Concurrence is a framework for creating massively concurrent network applications in Python. It takes a Lightweight-tasks-with-message-passing approach to concurrency. The goal of Concurrence is to provide an easier programming model for writing high performance network applications than existing solutions (Multi-threading, Twisted, asyncore etc). Concurrence uses Lightweight tasks in combination with libevent to expose a high-level synchronous API to low-level asynchronous IO. http://opensource.hyves.org/concurrence/

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[ANN] EuroPython 2009 – Extra Early Bird registration ends this Saturday!
by Martin P. Hellwig 12 Mar '09

12 Mar '09

Newsflash! A large number of Pythoneers has signed up already, for this reason alone it is worth booking! If you already know you are joining the conference, why not save some money in these financially uncertain times and take advantage of the extra early bird rate! The extra early bird rate is just 95 GBP for the conference (70 GBP for the tutorials) and ends this Saturday 14th of March. You can book your conference and hotel all at once. Register at http://www.europython.eu/registration/ . The talks submitted so far promise to be very interesting and practical. We have room for more though, go to http://www.europython.eu/talks/cfp/ for this year's themes, and submissions criteria, the deadline is on 5th April 2009. Sponsors A unique opportunity to affiliate with the prestigious EuroPython conference! http://www.europython.eu/sponsors/ Spread the Word Improve our publicity by distributing this announcement in your corner of the community, coordinating this with the organisers is highly appreciated. http://www.europython.eu/contact/ General Information For more information about the conference, please visit http://www.europython.eu/ . Looking forward to seeing you!

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IMDbPY 4.0 and IMDbPYKit 1.0
by Davide Alberani 12 Mar '09

12 Mar '09

IMDbPY 4.0 is available (tgz, deb, rpm, exe) from: http://imdbpy.sourceforge.net/ IMDbPY is a Python package useful to retrieve and manage the data of the IMDb movie database about movies, people, characters and companies. With this release, support for keywords and top250/bottom100 lists; also, it's now possible to export any data in XML. Many bugs were fixed and other minor improvements are present. Alongside IMDbPY 4.0, the 1.0 release of IMDbPYKit is available. IMDbPYKit is the new web interface of choice of IMDbPY; mostly developed by H. Turgut Uyar, it's based on the Paste Webkit toolkit and it has a lot of nice feature (e.g.: it can output data in both XML and HTML). Platform-independent and written in pure Python (and few C lines), IMDbPY can retrieve data from both the IMDb's web server and a local copy of the whole database. IMDbPY package can be very easily used by programmers and developers to provide access to the IMDb's data to their programs. Some simple example scripts are included in the package; other IMDbPY-based programs are available from the home page.

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Regular Toronto Python User's Group on Tuesday the 17th
by Mike C. Fletcher 11 Mar '09

11 Mar '09

Topic: OpenGL 3.1: A whole new OpenGL (Mike Fletcher) Further: A preview of the PyCon 2009 presentation on OpenGL 3.1: A whole new OpenGL. We'll be looking at what the legacy-free OpenGL programming model looks like, and how you access it via PyOpenGL. The upcoming OpenGL 3.1 represents the first major backwards incompatible release of OpenGL, and pretty much everything you've read about OpenGL is out the window. The result is a system that is very close to the "metal" of the modern GPU, a set of two (three in newer cards) programmable engines with generic mechanisms for feeding data in and reading it out. Next month Myles Braithwaite will be presenting Google's AppEngine, so be sure to mark the 21st of April on your calendars. As usual, we'll meet at Linux Caffe, at the corner of Grace and Harbord, one block South of Christie station at 7:00, with the meeting starting at 7:15pm. More details on the NextMeeting page on the web-site: http://www.pygta.org Enjoy yourselves, Mike -- ________________________________________________ Mike C. Fletcher Designer, VR Plumber, Coder http://www.vrplumber.com http://blog.vrplumber.com

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[ANN] Pyjamas 0.5 Web Widget Set and python-to-javascript Compiler released
by Luke Kenneth Casson Leighton 11 Mar '09

11 Mar '09

This is the release of Pyjamas 0.5, a python-to-javascript compiler with an AJAX Web Widget set, for creating python desktop-like applications that run in all major web browsers. http://pyjs.org Pyjamas is NOT "another AJAX framework" where the widgets are predefined, fixed and inflexible. Thanks to the compiler, Pyjamas is a dynamic "framework's framework" where developers can define their own web framework, in Python classes and modules instead of being forced to write code in pure Javascript. The Pyjamas Web Widget set makes it possible for users to develop Rich Media Applications as if they were writing desktop applications, without having to know any Javascript, or even very much HTML. Developing applications using Pyjamas is much more similar to and has far more in common with developing PyQT4 or PyGtk2 applications than it has with "traditional" AJAX web development. Yet, thanks to the applications actually running in a Web Browser, developers get the best of both worlds. For those people who prefer to stick to "true" Desktop development, or who prefer to debug applications in Python rather than rely on the debugging features of Web Browser engines, there is the sister project, Pyjamas-Desktop - http://pyjd.org Pyjamas-Desktop allows the same application source code to be run, unmodified, in both the web browser and as a desktop application. The 0.5 release is a significant functionality update. Additions have been made to the core python-to-javascript compiler such as support for exceptions (try / except), lambda, and a debug option to track and print run-time stack traces, in cases where the deployment of a javascript script debugger is difficult or impossible (IE6 running under Wine). Also, the code-generator has undergone a reorganisation, and now has much better support for local and global variable, function, class and module scopes. Support for Dynamic loading of modules has been added, where each python module now has its own javascript (compiled) "cache" file. This makes it possible to share the modules across the 5 supported platforms, bringing a dramatic reduction in the amount of compiled javascript that is deployed. Also, support for dynamic module loading makes it much clearer how developers may interact with pyjamas-compiled modules from existing applications which already have an AJAX framework in place. Users of previous versions of Pyjamas should note that the UI widget classes have undergone a restructuring, reducing the 4,000 line ui.py into 70 separate small modules. The reorganisation allows applications to undergo a significant reduction in the amount of compiled javascript, by only importing UI Modules that are needed. Reorganisation scripts can be found in contrib/pyjamas_0.4_0.5_upgrade/ that will help in the conversion of existing applications. Also, to make developers' lives easier in both the testing and deployment of pyjamas applications, buildout has been added, along with a standard setup.py. Finally, an experiment is included, which is the beginnings of a way to speed up the execution of standard python, in a similar way to Python-Psyco. The combination of the pyjs python-to-javascript compiler and PyV8 - http://code.google.com/p/pyv8 - becomes a JIT compiler that supports both ARM and i386 assembler. The use of the Google V8 JIT compiler provides a means to dynamically load standard c-based python modules, and the use of pyjs means that the intermediate javascript is actually still human-readable. These are two distinct advantage over pypy, and the third advantage is that the direct translation, instead of going through an intermediary (RPython) means that the full dynamic semantics of the python language are reflected into javascript, and still available. Downloads are available at: http://code.google.com/p/pyjamas/downloads/list https://sourceforge.net/project/platformdownload.php?group_id=239074 http://pypi.python.org/pypi/Pyjamas/0.5 Pyjamas Book is at: http://pyjs.org/book/output/Bookreader.html#Getting%20Started Links to other documentation is on the main site: http://pyjs.org Development and discussion is at: http://groups.google.com/group/pyjamas-dev Subversion Source repository is at: https://sourceforge.net/scm/?type=svn&group_id=239074 IRC Channel is: #pyjamas at irc.freenode.net IRC Logs (thanks to Tim Riker) at: http://ibot.rikers.org/%23pyjamas

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Python training for cheminformatics, Leipzig, 27-29 April
by Andrew Dalke 11 Mar '09

11 Mar '09

My next training course on Python for cheminformatics will be in Leipzig, Germany on 27-29 April. For full details see http://dalkescientific.com/training/ The schedule for the three day course is Day 1: overview of Python and OEChem, Day 2: plotting with matplotlib, communicating with Excel, XML processing, calling command-line programs, numeric computing with NumPy and R. Day 3: SQL databases and web development with Django. The course is designed for working computational chemists who know how to do some programming and want more training in how to use Python effectively for their research. The examples and hands-on exercises are all drawn from cheminformatics. If you have any questions or to register, please contact me. Andrew dalke(a)dalkescientific.com

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Python-URL! - weekly Python news and links (Mar 11)
by Gabriel Genellina 11 Mar '09

11 Mar '09

QOTW: "[Perhaps] it sounds [as though] I'm saying that most prospective users of OSS [open-source software] can't even manage to download it. Let me be clear: that is exactly what I am saying." - Patrick McKenzie http://www.kalzumeus.com/2009/03/07/how-to-successfully-compete-with-open-s… New itertool candidate: like groupby but edge-triggered (or event-triggered): http://groups.google.com/group/comp.lang.python/t/d364e7b16bf151c7/ Is python worth learning as a second language? http://groups.google.com/group/comp.lang.python/t/c444c1229aed90c1/ Other language used to have significant indentation, but is now considering alternatives to allow multiline expressions (like a multiline lambda in Python): http://groups.google.com/group/comp.lang.python/t/52dcdb09b4d73915/ Enumerating all modules imported by a script: http://groups.google.com/group/comp.lang.python/t/86759676867f18e8/ Several attempts to improve a code fragment involving lists, repeated elements, and sorting: http://groups.google.com/group/comp.lang.python/t/453f1c803b8a78e2/ Why are some strings automatically interned, and not other? http://groups.google.com/group/comp.lang.python/t/e4daccae7e77fb0e/ Is it legal to modify an exception before re-raising it? http://groups.google.com/group/comp.lang.python/t/f7a647405fd48f5b/ PHP has "==" and "===", but they do NOT behave the same as Python's "==" and "is" operators http://groups.google.com/group/comp.lang.python/t/a697da8a6885d87f/ ======================================================================== Everything Python-related you want is probably one or two clicks away in these pages: Python.org's Python Language Website is the traditional center of Pythonia http://www.python.org Notice especially the master FAQ http://www.python.org/doc/FAQ.html PythonWare complements the digest you're reading with the marvelous daily python url http://www.pythonware.com/daily Just beginning with Python? This page is a great place to start: http://wiki.python.org/moin/BeginnersGuide/Programmers The Python Papers aims to publish "the efforts of Python enthusiats": http://pythonpapers.org/ The Python Magazine is a technical monthly devoted to Python: http://pythonmagazine.com Readers have recommended the "Planet" sites: http://planetpython.org http://planet.python.org comp.lang.python.announce announces new Python software. Be sure to scan this newsgroup weekly. http://groups.google.com/group/comp.lang.python.announce/topics Python411 indexes "podcasts ... to help people learn Python ..." Updates appear more-than-weekly: http://www.awaretek.com/python/index.html The Python Package Index catalogues packages. http://www.python.org/pypi/ The somewhat older Vaults of Parnassus ambitiously collects references to all sorts of Python resources. http://www.vex.net/~x/parnassus/ Much of Python's real work takes place on Special-Interest Group mailing lists http://www.python.org/sigs/ Python Success Stories--from air-traffic control to on-line match-making--can inspire you or decision-makers to whom you're subject with a vision of what the language makes practical. http://www.pythonology.com/success The Python Software Foundation (PSF) has replaced the Python Consortium as an independent nexus of activity. It has official responsibility for Python's development and maintenance. http://www.python.org/psf/ Among the ways you can support PSF is with a donation. http://www.python.org/psf/donations/ The Summary of Python Tracker Issues is an automatically generated report summarizing new bugs, closed ones, and patch submissions. http://search.gmane.org/?author=status%40bugs.python.org&group=gmane.comp.p… Although unmaintained since 2002, the Cetus collection of Python hyperlinks retains a few gems. http://www.cetus-links.org/oo_python.html Python FAQTS http://python.faqts.com/ The Cookbook is a collaborative effort to capture useful and interesting recipes. http://code.activestate.com/recipes/langs/python/ Many Python conferences around the world are in preparation. Watch this space for links to them. Among several Python-oriented RSS/RDF feeds available, see: http://www.python.org/channews.rdf For more, see: http://www.syndic8.com/feedlist.php?ShowMatch=python&ShowStatus=all The old Python "To-Do List" now lives principally in a SourceForge reincarnation. http://sourceforge.net/tracker/?atid=355470&group_id=5470&func=browse http://www.python.org/dev/peps/pep-0042/ del.icio.us presents an intriguing approach to reference commentary. It already aggregates quite a bit of Python intelligence. http://del.icio.us/tag/python *Py: the Journal of the Python Language* http://www.pyzine.com Dr.Dobb's Portal is another source of Python news and articles: http://www.ddj.com/TechSearch/searchResults.jhtml?queryText=python and Python articles regularly appear at IBM DeveloperWorks: http://www.ibm.com/developerworks/search/searchResults.jsp?searchSite=dW&se… Previous - (U)se the (R)esource, (L)uke! - messages are listed here: http://search.gmane.org/?query=python+URL+weekly+news+links&group=gmane.com… http://groups.google.com/groups/search?q=Python-URL!+group%3Acomp.lang.pyth… http://lwn.net/Search/DoSearch?words=python-url&ctype3=yes&cat_25=yes There is *not* an RSS for "Python-URL!"--at least not yet. Arguments for and against are occasionally entertained. Suggestions/corrections for next week's posting are always welcome. E-mail to <Python-URL(a)phaseit.net> should get through. To receive a new issue of this posting in e-mail each Monday morning (approximately), ask <claird(a)phaseit.net> to subscribe. Mention "Python-URL!". Write to the same address to unsubscribe. -- The Python-URL! Team-- Phaseit, Inc. (http://phaseit.net) is pleased to participate in and sponsor the "Python-URL!" project. Watch this space for upcoming news about posting archives.

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Announce: Linux Desktop Testing Project (LDTP) 1.5.1 released
by Nagappan A 11 Mar '09

11 Mar '09

Greetings all, We are proud to announce the release of LDTP 1.5.1. This release features number of important breakthroughs in LDTP as well as in the field of Test Automation. This release note covers a brief introduction on LDTP followed by the list of new features and major bug fixes which makes this new version of LDTP the best of the breed. Useful references have been included at the end of this article for those who wish to hack / use LDTP. About LDTP: Linux Desktop Testing Project is aimed at producing high quality test automation framework (C / Python) and cutting-edge tools that can be used to test Linux Desktop and improve it. It uses the Accessibility libraries to poke through the application's user interface. The framework also has tools to record test-cases based on user events in the interface of the application which is under testing. We strive to help in building a quality desktop. Whats new in this release: Bug fixes: * Fixes b.g.o # 574787, 574789, 574791, 574793 Bug 574791 – ldtputils.captureimage() ignores coordinate arguments Bug 574793 – Use wnck to get window id instead of LTFX (digwin) Bug 574787 – LDTP package is not installing correctly Bug 574789 – getwindowlist (and others?) don't handle utf8 well Special thanks to Ara Pulido <ara at ubuntu.com>, Eitan Isaacson < eitan(a)ascender.com> and Michael Terry <michael.terry(a)canonical.com> Download source tarball - http://download.freedesktop.org/ldtp/1.x/1.5.x/ldtp-1.5.1.tar.gz Binary (openSUSE / Ubuntu / Fedora / Debian / RHEL / CentOS / Mandriva) - http://download.opensuse.org/repositories/home:/anagappan/ (Just scheduled in openSUSE build service, might take time to complete depending upon server load) References: For detailed information on LDTP framework and latest updates visit http://ldtp.freedesktop.org For information on various APIs in LDTP including those added for this release can be got from http://ldtp.freedesktop.org/user-doc/index.html To subscribe to LDTP mailing lists, visit http://ldtp.freedesktop.org/wiki/Mailing_20list IRC Channel - #ldtp on irc.freenode.net Thanks Nagappan -- Linux Desktop (GUI Application) Testing Project - http://ldtp.freedesktop.org http://nagappanal.blogspot.com

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Jython Beta 3 Released
by Frank Wierzbicki 10 Mar '09

10 Mar '09

When I released Beta 2 this Saturday, I said it would be the last beta unless a severe bug was found. Well, a severe bug was found. Under certain circumstances Jython Beta 2 would not start on Windows. Otmar Humbel has fixed it, and we've released Beta 3 with the fix here: http://downloads.sourceforge.net/jython/jython_installer-2.5b3.jar See http://www.jython.org/Project/installation.html for installation instructions. This is a beta release so be careful. -Frank

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ANN Chicago Python User Group (ChiPy) March Meeting: Scientists, VIM, and Thrift
by Brian Ray 09 Mar '09

09 Mar '09

Chicago Python User Group ========================= For the first time ever (not really) ChiPy will return to the same venue two months in a row! Sully's on the North Side, Near North and Clybourn. Heading off the ChiPy efforts will be another sequel from last month. James Snyder will focus his ninja powers on all things scientific: NumPy, SciPy and Matplotlib. Frank Duncan will extend the popular text editor VIM with pure Python (no vimscript or Lisp required!) allowing asynchronous communication to various other systems to build a better overall development environment. Or if you aren't into that sort of thing, you can at least extend vim with less pain and hassle. Garrett Smith will present on Thrift with examples of Java/Python/C cross communication. Thrift is a software framework for scalable cross- language services development. Our host for the meeting is Sully's House Tap Room & Grill. All ages are welcome to this Free Private Event. For those of age, Sully’s House offer 20 Beers on tap, and 35 Bottles - all craft and microbrewery, specializing in Belgium, Irish and German selections. Enjoy great Bar Food & Pizza from our Italian Oven and Daily discounted menu specials. The host has given us a dedicated bartender. We will meet in the private party room on the second floor that is well equipped with top of the line video equipment – 100” HD screen & full A/V accessibility with Rock Band & Wii. Nice big space, bring a friend. Thanks Sully's!!! This *will* be our best meeting yet. Topics ------ * Scientific with NumPy, SciPy and matplotlib ... -- James (30min) * Extend VIM -- Frank (30min) * Thrift with examples of Java/Python/C cross communication. -- Garrett (30min) When ---- Thursday, March 12th, ~7pm Location -------- Sully’s House Tap Room & Grill, 1501 N. Dayton St. Chicago, Illinois 60622 At the corner of Blackhawk and Dayton http://www.sullyshouse.com/ (2) Blocks from the North & Clybourn Red Line stop. Free street parking available. About ChiPy ----------- ChiPy is a group of Chicago Python Programmers, l33t, and n00bs. Meetings are held monthly at various locations around Chicago. Also, ChiPy is a proud sponsor of many Open Source and Educational efforts in Chicago. Stay tuned to the mailing list for more info. ChiPy website: <http://chipy.org> ChiPy Mailing List: <http://mail.python.org/mailman/listinfo/chicago> ChiPy Announcement *ONLY* Mailing List: <http://mail.python.org/mailman/listinfo/chipy-announce > Python website: <http://python.org>

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[PyCon Tre Italy] CFP reminder - 5 days to deadline
by dialUAZ###UZ#$AAtone＠gWARAmail.com 09 Mar '09

09 Mar '09

The CFP deadline is approaching and is now only 5 days away, if you plan to come and would like to give a speech don't wait any longer! ---- For the third year Florence will be hosting the italian edition of PyCon starting from May 8th till May 10th. Unfortunately this year we are a little late in publishing the english version of our CFP. But here we are now. As with last year's edition we will provide real time english-italian and italian-english translation for the main track of the conference and this year's special guest will be none other than Guido himself. Registrations are already open at: http://www.pycon.it/pycon3/registrazione/ where you'll be able to find further information on tickets prices. Conference information is available at our site http://www.pycon.it . The most important deadlines besides those in this CFP are: 13th Apr, End of the Early Bird 4th May, End of Late registrations period. Sponsorships packages are available at this url: http://www.pycon.it/pycon3/sponsorship/ For sponsorship requests contact us at: sponsor(a)pycon.it Here the CFP: Presentations ------ The conference is composed of three parallel tracks: * the *Discovering Python* track will primarily focus on introductory topics about Python libraries, frameworks and technologies; * the *Spreading Python* track will focus both on advanced technical topics and related matters like development methodologies, real-world use cases and management techniques; * the *Learning Python* track will feature a continuous interaction between the speaker and the audience: the speaker will propose a topic and introduce a possible solution, then the talk will dynamically evolve, naturally following questions and notes from the audience. Talks could focus on the following topics (the list is neither exclusive nor exaustive): * vast and/or distributed applications written in Python; * scientific and computationally intensive applications; * interaction with other languages/environments, RPC, services; * web programming and web frameworks; * desktop programming and GUI toolkits; * Python as "scripting" language (system administration, COM, etc...); * Python and databases; * Python as an educational language; Each talk will have one of the following duration: 45, 60 or 90 approximately, inclusive of the time for the audience to enter and leave the room. Please specify which length best fit your contents: some flexibility is available to arrive at the best overall scheduling. ### Community voting Differently from last year, this year the talks' selection process is public: all those who will have bought a ticket no later than March 15 will be able to vote and select the best talk proposals. You can already register at http://www.pycon.it/pycon3/assopy/ to obtain the right to vote. ### How to submit a paper Your talk proposal must be submitted online through Assopy, as soon as it is enabled, by following some simple instructions at http://www.pycon.it/pycon3/assopy/ . ### When, How, and What to submit As a talk proposal, you should just send an abstract with a few text paragraphs about the talk. The evaluation will be easier if you send a detailed description. Once your talk proposal is approved, you'll have to submit the talk slides in PDF format, a few days before the conference opening day. More specific instructions will be available soon. ### A note for non-Italian speakers We warmly welcome and encourage the presence of non-Italian speakers at PyCon Italia. Most talks will be in Italian, though. As last year, we are planning to provide Italian-to-English realtime translation for our guests. We are also like to provide, again, English-to-Italian realtime translation for that part of the audience which is not much familiar with English. **Additional info:** for any questions, please contact us at info(a)pycon.it . ### Important deadlines - March 15th, 2009: Deadline for submitting the talk abstracts for evaluation. - March 29th, 2009: Acknowledge of the talk acceptance, - March 30th, 2009: the talk schedule is published. - May 1, 2009: Deadline for submitting the complete talk slides. To stay up to date, please subscribe to our newsletter, or follow our blog at http://www.pycon.it/blog/. The organization, http://www.pycon.it/pycon3/organizzatori/ . -- Valentino Volonghi aka Dialtone http://stacktrace.it -- Aperiodico di resistenza informatica Blog: http://www.twisted.it/ Public Beta: http://www.adroll.com/

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Elisa Media Center 0.5.31 Release
by Olivier Tilloy 09 Mar '09

09 Mar '09

Dear Python users, The Elisa team is happy to announce the release of Elisa Media Center 0.5.31, code-named "Voorspel In Sofia". Elisa is a cross-platform and open-source Media Center written in Python. It uses GStreamer [1] for media playback and pigment [2] to create an appealing and intuitive user interface. This release is a "light weight" release, meaning it is pushed through our automatic plugin update system. That is why there is no new Elisa windows installer nor any new packages: use the existing ones for 0.5.27; with the default configuration, they should upgrade automatically to 0.5.31. Tarballs for 0.5.31 are provided for packagers who want to disable the automatic plugin update system on their distribution. A complete list of the issues fixed can be found at: http://bugs.launchpad.net/elisa/+milestone/0.5.31 This is also summarised in the (attached) release notes. Installers and sources can be downloaded from http://elisa.fluendo.com/download/ Bug reports and feature requests are welcome at http://bugs.launchpad.net/elisa/+filebug Have a media-centered evening, Olivier, for the Elisa team [1] http://www.gstreamer.net/ [2] https://code.fluendo.com/pigment/trac Elisa 0.5.31 "Voorspel In Sofia" ================================ This is Elisa 0.5.31, thirty-first release of the 0.5 branch. Bugs fixed since 0.5.30: - 267240: Scanning report goes over 100% - 289882: progressbar not updated on pause - 336654: Non existing items displayed in Grid mode at the beginning and the end Download You can find source releases of Elisa on the download page: http://elisa.fluendo.com/download Elisa Homepage More details can be found on the project's website: http://elisa.fluendo.com Support and Bugs We use Launchpad for bug reports and feature requests: https://bugs.launchpad.net/elisa/+filebug Developers All code is in a Bazaar branch and can be checked out from there. It is hosted on Launchpad: https://code.launchpad.net/elisa Contributors to this release: - David McLeod - Florian Boucault - Guillaume Emont - Jesús Corrius - Lionel Martin - Marc Garcia - Maxwell Young - Olivier Tilloy - Philippe Normand

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Packaging Survey
by Tarek Ziadé 09 Mar '09

09 Mar '09

The Python Langage Summit is coming up. To prepare this event, I have put online a survey you can take to tell us a bit more about you and how you package your Python applications. * Who should take the survey : any Python developer that packages and distributes his code, no matter how. * Take the survey: http://tinyurl.com/package-survey Thanks to all the people that helped building the survey, and a special thanks to Massimo Di Pierro who created the application that runs the Survey and helped me to set this up. Regards Tarek -- Tarek Ziadé | Association AfPy | www.afpy.org Blog FR | http://programmation-python.org Blog EN | http://tarekziade.wordpress.com/

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[ANN] Leipzig Python User Group - Meeting, March 10, 2009, 08:00pm
by Mike Müller 08 Mar '09

08 Mar '09

=== Leipzig Python User Group === We will meet on Tuesday, March 10 at 8:00 pm at the training center of Python Academy in Leipzig, Germany ( http://www.python-academy.com/center/find.html ). Julian Moritz will talk about "Possibilities of natural language processing of websites using Django". Stefan Schwarzer will present about Mercurial. 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, 10.03.2008 um 20:00 Uhr im Schulungszentrum der Python Academy in Leipzig ( http://www.python-academy.de/Schulungszentrum/anfahrt.html ). Julian Moritz wird über Möglichkeiten der automatischen Sprachverarbeitung bei Webseiten am Beispiel von Django berichten und Stefan Schwarzer wird uns Mercurial näher bringen. 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: PyMite release 07
by dwhall 08 Mar '09

08 Mar '09

====== PyMite ====== :Author: Dean Hall :Copyright: Copyright 2002 Dean Hall. All rights reserved. PyMite is offered through one of two licenses: commercial or open-source. See the LICENSE file at the root of the package for licensing details. :Release: 07 :Site: http://pymite.python-hosting.com/ I would like to announce the seventh release of PyMite. PyMite is a flyweight Python interpreter written from scratch to execute on 8-bit and larger microcontrollers with resources as limited as 64 KB of program memory (flash) and 4 KB of RAM. PyMite supports a subset of the Python 2.5 syntax and can execute a subset of the Python 2.5 bytecodes. PyMite can also be compiled, tested and executed on a desktop computer. Here are the important new features in this release: - Interactive PyMite (ipm) works on AVR over serial port - Added support for the keyword lambda - Added support for list comprehensions - Fixed sys.runInThread() - Implemented builtin function dir() - Added support for string and tuple replication - Added support for funcs with default args - Added support for the keyword del - Created configurable Float datatype - Added support for Boolean type and True/False constants - Created dict, list and string modules that operate on their respective built-in types - Added support to allow heap larger than 64 KB !!Dean

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ANN: cssutils 0.9.6a2
by Christof Hoeke 08 Mar '09

08 Mar '09

what is it ---------- A Python package to parse and build CSS Cascading Style Sheets. (Not a renderer though!) about this release ------------------ 0.9.6a2 is an alpha release. main changes ------------ 0.9.6a2 090308 + **API CHANGE**: :class:`cssutils.profiles.Profiles` (introduced in 0.9.6a1) has been refactored + **CHANGE**: Reporting levels of properties have changed. Please see :meth:`cssutils.css.Property.validate` for details. E.g. valid properties in the current profile are only reported on DEBUG and not INFO level anymore. The log output has been changed too, context information is provided now (line, column and name of the relevant property) + **BUGFIX**: ``p.valid == False`` is now set for Properties not valid in the current profile even if they are valid in a different profile + **BUGFIX**: Macros used when adding a new profile to ``cssutils.profile`` were polluted with ALL macros ever defined. + BUGFIX: If ``cssutils.ser.prefs.validOnly == True`` serializer incorrectly put a single ``;`` for invalid properties out until now. - **IMPROVEMENT**: comments added by ``cssutils.resolveImports`` only use the @import rules' href and not the absolute href of the referenced sheets anymore (might have been a possible security hole when showing a full local path to a sheet in a combined but not minified sheet) - IMPROVEMENT: IE specific `alpha` values like ``filter: alpha(opacity=80)`` are parsed now. license ------- cssutils is published under the LGPL version 3 or later, see http://cthedot.de/cssutils/ If you have other licensing needs please let me know. download -------- For download options see http://cthedot.de/cssutils/ cssutils needs Python 2.4 or higher (tested with Python 2.6.1, 2.5.2 and 2.4.4 on Vista only) Bug reports (via Google code), comments, etc are very much appreciated! Thanks. Christof

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RELEASED Python 3.1 alpha 1
by Benjamin Peterson 07 Mar '09

07 Mar '09

On behalf of the Python development team and the Python community, I'm happy to announce the first alpha release of Python 3.1. Python 3.1 focuses on the stabilization and optimization of features and changes Python 3.0 introduced. The new I/O system has been rewritten in C for speed. Other features include a ordered dictionary implementation and support for ttk Tile in Tkinter. Please note that these are alpha releases, and as such are not suitable for production environments. We continue to strive for a high degree of quality, but there are still some known problems and the feature sets have not been finalized. These alphas are being released to solicit feedback and hopefully discover bugs, as well as allowing you to determine how changes in 3.1 might impact you. If you find things broken or incorrect, please submit a bug report at http://bugs.python.org For more information and downloads, see the Python 3.1 website: http://www.python.org/download/releases/3.1/ See PEP 375 for release schedule details: http://www.python.org/dev/peps/pep-0361/ Enjoy, -- Benjamin Benjamin Peterson benjamin at python.org Release Manager (on behalf of the entire python-dev team)

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Jython 2.5 beta 2 Released
by Frank Wierzbicki 07 Mar '09

07 Mar '09

On behalf of the Jython development team, I'm pleased to announce that Jython 2.5b2 is available for download here: http://downloads.sourceforge.net/jython/jython_installer-2.5b2.jar. See http://www.jython.org/Project/installation.html for installation instructions. Unless a severe bug is found, this will be the last beta before we start putting out release candidates. The modjy project has been pushed into the core, there have been many bugfixes. I attempted to get all of the bugfixes out of the tracker and into the NEWS file. Hopefully we can get more disciplined about change logs in the future. Note: if you have been running Jython with --verify, we have removed that option and defaulted to that classpath behavior. We now have a --boot option for the previous 2.5 classpath behavior (jython.jar gets loaded into the boot classpath). If you don't know what I'm talking about, then you probably don't need to worry about it :) This is a beta release so be careful. -Frank

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ANN: eric 4.3.1 released
by Detlev Offenbach 07 Mar '09

07 Mar '09

Hi, I just uploaded eric 4.3.1. It is a maintenance release fixing some bugs. It is available via the eric4 web site. http://eric-ide.python-projects.org/index.html Eric is a Python (and Ruby) IDE that comes with batteries included. Please see the a.m. web site for more details. Regards, Detlev -- Detlev Offenbach detlev(a)die-offenbachs.de

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pygrace-0.4
by Michael McKerns 06 Mar '09

06 Mar '09

updated Python bindings for grace http://www.its.caltech.edu/~mmckerns/software.html # Version 0.4: 03/02/09 migrated Numeric dependency to Numpy added license text installs with setuptools, if available more gentle install & dependency failure --- Mike McKerns California Institute of Technology http://www.its.caltech.edu/~mmckerns

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Announcing PAM 3.0 for Web testing
by bobm_qa＠hotmail.com 06 Mar '09

06 Mar '09

Python Automation Module version 3.0 (PAM30.py). This python module allows simple automation of the Internet Explorer Browser by using the COM object. This can be used in QA or Development testing to write Automation tests in Python . Easy to use. Note: This version only only works with Python 3.0 on Windows and requires Mark Hammond's pywin32 for Python3.0 - pywin32-213.win32- py3.0.exe Simple Example to automate a google search on "Python" ###################################################### from PAM30 import PAMIE ie = PAMIE() ie.navigate("google.com") ie.setTextBox("q", "python") ie.clickButton("Google Search") ie.clickLink("Python Programming Language -- Official Website") ###################################################### Thank you Rob Marchetti

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ANN: Python process utility (psutil) 0.1.1 released
by Giampaolo Rodola' 06 Mar '09

06 Mar '09

Hi, I'm pleased to announce the 0.1.1 release of psutil: http://code.google.com/p/psutil === About === psutil is a module providing an interface for retrieving information on running processes in a portable way by using Python. It currently supports Linux, OS X, FreeBSD and Windows. === Enhancements === Aside from fixing some bugs psutil 0.1.1 includes the following major enhancements: * FreeBSD support has been added * Support for determining process's UID and GID has been added * Support for determining parent PID of a process * A process_iter() function to iterate over processes as Process objects with a generator has been added * Process objects can now also be compared with == operator for equality (PID, name, command line are compared). As of now psutil is released to the general public, and should be considered a beta release implementing basic functionality. With this second release we'd like to receive feedback from users and suggestions for additional functionality. Patches and volunteers to test/develop for additional platforms welcome! === Links === * Home page: http://code.google.com/p/psutil * Mailing list: http://groups.google.com/group/psutil/topics * Source tarball: http://psutil.googlecode.com/files/psutil-0.1.1.tar.gz * OS X installer: http://psutil.googlecode.com/files/psutil-0.1.1-py2.6-macosx10.4.dmg * Windows Installer (Python 2.6): http://psutil.googlecode.com/files/psutil-0.1.1.win32-py2.6.exe * Api Reference: http://code.google.com/p/psutil/wiki/Documentation Thanks

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[ANNOUNCE] PyGTK 2.14.1
by Gian Mario Tagliaretti 05 Mar '09

05 Mar '09

A new stable release of the Python bindings for GTK+ has been released. The new release is available from ftp.gnome.org and its mirrors as soon as its synced correctly: http://ftp.gnome.org/pub/GNOME/sources/pygtk/2.14/ Blurb: GTK+ is a toolkit for developing graphical applications that run on systems such as Linux, Windows and MacOS X. It provides a comprehensive set of GUI widgets, can display Unicode bidi text. It links into the Gnome Accessibility Framework through the ATK library. PyGTK provides a convenient wrapper for the GTK+ library for use in Python programs, and takes care of many of the boring details such as managing memory and type casting. When combined with PyORBit and gnome-python, it can be used to write full featured Gnome applications. Like the GTK+ library itself PyGTK is licensed under the GNU LGPL, so is suitable for use in both free software and proprietary applications. It is already in use in many applications ranging from small single purpose scripts up to large full features applications. What's new since 2.14.0? - Return the deserialized string as a new memory buffer (Gustavo, #567747) - Complete docs with 2.14 API (Gian Mario) PyGTK requires GTK+ >= 2.8.0 and Python >= 2.3.5 to build. Bug reports, as always, should go to Bugzilla; check out http://pygtk.org/developer.html and http://pygtk.org/feedback.html for links to posting and querying bug reports for PyGTK. cheers -- Gian Mario Tagliaretti GNOME Foundation member gianmt(a)gnome.org

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ANN: Peggy 0.01
by Florian Diesch 05 Mar '09

05 Mar '09

I'm pleased to announce Peggy 0.01 Get it at http://www.florian-diesch.de/software/peggy/ Peggy helps you to use resources inside a package, especially resources used by PyGtk classes, like images or glade files. It works for zipped eggs or packages just somewhere in sys.path. Peggy is a thin layer on top of setuptools and PyGtk. It's not doing much fancy stuff but can save you from reading some docs ;-) Florian -- <http://www.florian-diesch.de/>

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[ANNOUNCE] Pygtksourceview 2.5.0
by Gian Mario Tagliaretti 04 Mar '09

04 Mar '09

I am pleased to announce version 2.5.0 of the Gtksourceview Python bindings. Once the mirrors have sync correctly it will be available at: http://ftp.gnome.org/pub/GNOME/sources/pygtksourceview/2.5/ The bindings are updated with the new Gtksourceview API News in 2.5.0 ============= o Added NBSP to draw spaces (Ignacio Casal Quinteiro) Blurb: ====== gtksourceview is a library that provides a widget for source code display and editing, derived from Gtk's TextView, and used by gedit and nemiver, among others. gtksourceview has recently been released 2.5.6 PyGtksourceview requires: ========================= o Gtksourceview >= 2.3.0 o PyGObject >= 2.15.2 o PyGTK >= 2.8.0 Bug reports should go to: http://bugzilla.gnome.org/browse.cgi?product=pygtksourceview cheers -- Gian Mario Tagliaretti GNOME Foundation member gianmt(a)gnome.org

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[Pycon Tre Italy] Call For Presentations
by dialUAZ###UZ#$AAtone＠gWARAmail.com 03 Mar '09

03 Mar '09

For the third year Florence will host the italian edition of PyCon starting from May 8th till May 10th. Unfortunately this year we are a little late in publishing the english version of our CFP. But here we are now. As with last year's edition we will provide real time english-italian and italian-english translation for the main track of the conference and this year's special guest will be none other than Guido himself. Registrations are already open at: http://www.pycon.it/pycon3/registrazione/ where you'll be able to find further information on tickets prices. Conference information is available at our site http://www.pycon.it . The most important deadlines besides those in this CFP are: 13th Apr, End of the Early Bird 4th May, End of Late registrations period. Sponsorships packages are available at this url: http://www.pycon.it/pycon3/sponsorship/ For sponsorship requests contact us at: sponsor(a)pycon.it Here the CFP: Presentations ------ The conference is composed of three parallel tracks: * the *Discovering Python* track will primarily focus on introductory topics about Python libraries, frameworks and technologies; * the *Spreading Python* track will focus both on advanced technical topics and related matters like development methodologies, real-world use cases and management techniques; * the *Learning Python* track will feature a continuous interaction between the speaker and the audience: the speaker will propose a topic and introduce a possible solution, then the talk will dynamically evolve, naturally following questions and notes from the audience. Talks could focus on the following topics (the list is neither exclusive nor exaustive): * vast and/or distributed applications written in Python; * scientific and computationally intensive applications; * interaction with other languages/environments, RPC, services; * web programming and web frameworks; * desktop programming and GUI toolkits; * Python as "scripting" language (system administration, COM, etc...); * Python and databases; * Python as an educational language; Each talk will have one of the following duration: 45, 60 or 90 approximately, inclusive of the time for the audience to enter and leave the room. Please specify which length best fit your contents: some flexibility is available to arrive at the best overall scheduling. ### Community voting Differently from last year, this year the talks' selection process is public: all those who will have bought a ticket no later than March 15 will be able to vote and select the best talk proposals. You can already register at http://www.pycon.it/pycon3/assopy/ to obtain the right to vote. ### How to submit a paper Your talk proposal must be submitted online through Assopy, as soon as it is enabled, by following some simple instructions at http://www.pycon.it/pycon3/assopy/ . ### When, How, and What to submit As a talk proposal, you should just send an abstract with a few text paragraphs about the talk. The evaluation will be easier if you send a detailed description. Once your talk proposal is approved, you'll have to submit the talk slides in PDF format, a few days before the conference opening day. More specific instructions will be available soon. ### A note for non-Italian speakers We warmly welcome and encourage the presence of non-Italian speakers at PyCon Italia. Most talks will be in Italian, though. As last year, we are planning to provide Italian-to-English realtime translation for our guests. We are also like to provide, again, English-to-Italian realtime translation for that part of the audience which is not much familiar with English. **Additional info:** for any questions, please contact us at info(a)pycon.it . ### Important deadlines - March 15th, 2009: Deadline for submitting the talk abstracts for evaluation. - March 29th, 2009: Acknowledge of the talk acceptance, - March 30th, 2009: the talk schedule is published. - May 1, 2009: Deadline for submitting the complete talk slides. To stay up to date, please subscribe to our newsletter, or follow our blog at http://www.pycon.it/blog/. The organization, http://www.pycon.it/pycon3/organizzatori/ . -- Valentino Volonghi aka Dialtone http://stacktrace.it -- Aperiodico di resistenza informatica Blog: http://www.twisted.it/ Public Beta: http://www.adroll.com/

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Python-URL! - weekly Python news and links (Mar 3)
by Gabriel Genellina 03 Mar '09

03 Mar '09

QOTW: "A sort of premature pessimization, then." - Steve Holden, in search of an adequate description for a clever indexing scheme http://groups.google.com/group/comp.lang.python/msg/37e7e9e5f9ba6159 Java best coding styles aren't adequate for Python: http://groups.google.com/group/comp.lang.python/t/7d6b74b4904d48ec/ Challenge: break out of this (experimental) restricted execution environment: http://mail.python.org/pipermail/python-list/2009-February/702214.html How to execute an application from inside a zip file (like Java .jar): http://groups.google.com/group/comp.lang.python/t/9c15ce45b6a41192/ How to test functions that depend on today's date: http://groups.google.com/group/comp.lang.python/t/5d1bd739644bc843/ Iterator class to allow restarting a generator: http://groups.google.com/group/comp.lang.python/t/83bd33d29520d71e/ A nested conditional expression (in C) that progressively becomes more and more simple when rewritten in Python: http://groups.google.com/group/comp.lang.python/t/bdd3e0de802fdf7d/ Some people seems worried about the relative performance of Python 3.0 against Ruby 1.9: http://groups.google.com/group/comp.lang.python/t/b2f8043ba168ad75/ A proposed implementation for an Ordered Dictionary: http://groups.google.com/group/comp.lang.python/t/9c2f039e61bd81fb/ A followup revives an old thread (is it "call by value" or "by reference"?) -- but no flames this time: http://groups.google.com/group/comp.lang.python/browse_thread/thread/75a635… ======================================================================== Everything Python-related you want is probably one or two clicks away in these pages: Python.org's Python Language Website is the traditional center of Pythonia http://www.python.org Notice especially the master FAQ http://www.python.org/doc/FAQ.html PythonWare complements the digest you're reading with the marvelous daily python url http://www.pythonware.com/daily Just beginning with Python? This page is a great place to start: http://wiki.python.org/moin/BeginnersGuide/Programmers The Python Papers aims to publish "the efforts of Python enthusiats": http://pythonpapers.org/ The Python Magazine is a technical monthly devoted to Python: http://pythonmagazine.com Readers have recommended the "Planet" sites: http://planetpython.org http://planet.python.org comp.lang.python.announce announces new Python software. Be sure to scan this newsgroup weekly. http://groups.google.com/group/comp.lang.python.announce/topics Python411 indexes "podcasts ... to help people learn Python ..." Updates appear more-than-weekly: http://www.awaretek.com/python/index.html The Python Package Index catalogues packages. http://www.python.org/pypi/ The somewhat older Vaults of Parnassus ambitiously collects references to all sorts of Python resources. http://www.vex.net/~x/parnassus/ Much of Python's real work takes place on Special-Interest Group mailing lists http://www.python.org/sigs/ Python Success Stories--from air-traffic control to on-line match-making--can inspire you or decision-makers to whom you're subject with a vision of what the language makes practical. http://www.pythonology.com/success The Python Software Foundation (PSF) has replaced the Python Consortium as an independent nexus of activity. It has official responsibility for Python's development and maintenance. http://www.python.org/psf/ Among the ways you can support PSF is with a donation. http://www.python.org/psf/donations/ The Summary of Python Tracker Issues is an automatically generated report summarizing new bugs, closed ones, and patch submissions. http://search.gmane.org/?author=status%40bugs.python.org&group=gmane.comp.p… Although unmaintained since 2002, the Cetus collection of Python hyperlinks retains a few gems. http://www.cetus-links.org/oo_python.html Python FAQTS http://python.faqts.com/ The Cookbook is a collaborative effort to capture useful and interesting recipes. http://code.activestate.com/recipes/langs/python/ Many Python conferences around the world are in preparation. Watch this space for links to them. Among several Python-oriented RSS/RDF feeds available, see: http://www.python.org/channews.rdf For more, see: http://www.syndic8.com/feedlist.php?ShowMatch=python&ShowStatus=all The old Python "To-Do List" now lives principally in a SourceForge reincarnation. http://sourceforge.net/tracker/?atid=355470&group_id=5470&func=browse http://www.python.org/dev/peps/pep-0042/ del.icio.us presents an intriguing approach to reference commentary. It already aggregates quite a bit of Python intelligence. http://del.icio.us/tag/python *Py: the Journal of the Python Language* http://www.pyzine.com Dr.Dobb's Portal is another source of Python news and articles: http://www.ddj.com/TechSearch/searchResults.jhtml?queryText=python and Python articles regularly appear at IBM DeveloperWorks: http://www.ibm.com/developerworks/search/searchResults.jsp?searchSite=dW&se… Previous - (U)se the (R)esource, (L)uke! - messages are listed here: http://search.gmane.org/?query=python+URL+weekly+news+links&group=gmane.com… http://groups.google.com/groups/search?q=Python-URL!+group%3Acomp.lang.pyth… http://lwn.net/Search/DoSearch?words=python-url&ctype3=yes&cat_25=yes There is *not* an RSS for "Python-URL!"--at least not yet. Arguments for and against are occasionally entertained. Suggestions/corrections for next week's posting are always welcome. E-mail to <Python-URL(a)phaseit.net> should get through. To receive a new issue of this posting in e-mail each Monday morning (approximately), ask <claird(a)phaseit.net> to subscribe. Mention "Python-URL!". Write to the same address to unsubscribe. -- The Python-URL! Team-- Phaseit, Inc. (http://phaseit.net) is pleased to participate in and sponsor the "Python-URL!" project. Watch this space for upcoming news about posting archives.

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[ANN] pysqlite 2.5.2
by Gerhard Häring 03 Mar '09

03 Mar '09

pysqlite 2.5.2 released ======================= Release focus: minor bugfixes, minor new features. 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. Go to http://pysqlite.org/ for downloads, online documentation and for reporting bugs. Changes ======= - Like on Connection.rollback(), Connection.commit() now resets all statements associated to the connection, so that the commit() should always succeed (unless other connections create trouble). - pysqlite used to deliver bogus results on cursors that still have unfetched data when a rollback() was done on the connection. A commit() or rollback() now puts the cursor into a "reset" state. If you try to fetch data after commit() or rollback() you will now get an InterfaceError exception instead of bogus data. - For better DB-API compliance, operations on closed cursors now raise exceptions. - Add amalgamation directory to include path when building statically against amalgamation files. Otherwise, building against the amalgamation only worked if you already had the SQLite3 header files in the search path. Like on my development system ;-) - Made sure HAVE_LOAD_EXTENSION is not defined twice. Also made sure that it's OFF if the OMIT macro is defined. - Fixed check if non-UTF8 strings are acceptable input. The check was wrong for OptimizedUnicode. Also added the missing tests for this feature. - Wrap routine sqlite3_load_extension as method load_extension of the Connection object. Compatibility ============= The fact that commit() and rollback() now reset all associated cursors changes the behaviour of pysqlite. Some code that previously worked will now raise InterfaceError exceptions. OTOH the code did not really *work*, because it produced wrong results. In previous pysqlite versions: >>> from pysqlite2 import dbapi2 as sqlite3 >>> con = sqlite3.connect(":memory:") >>> con.executescript("create table t(c); insert into t(c) values (1); insert into t(c) values (2); insert into t(c) values (3);") <pysqlite2.dbapi2.Cursor object at 0xb7e79d40> >>> cur = con.cursor() >>> cur.execute("insert into t values (4)") <pysqlite2.dbapi2.Cursor object at 0xb7e79770> >>> cur.execute("select * from t") <pysqlite2.dbapi2.Cursor object at 0xb7e79770> >>> con.rollback () >>> print cur.fetchall () [(1,), (1,), (2,), (3,)] ^ ^ !! Notice the duplicate rows with values (1,) !! This code produced wrong results. With this release, the last cur.fetchall() will raise an exception: >>> print cur.fetchall () Traceback (most recent call last): File "<stdin>", line 1, in <module> pysqlite2.dbapi2.InterfaceError: Cursor needed to be reset because of commit/rollback and can no longer be fetched from.

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[ANN] EuroPython 2009 – Open for Registration and Reminder of Participation!
by Martin P. Hellwig 02 Mar '09

02 Mar '09

On behalf of the EuroPython 2009 organisation it is my privilege and honour to announce that EuroPython 2009 is open for registration! EuroPython is the conference for the communities around Python, including the Django, Zope and Plone communities. This year's conference will be held in Birmingham, UK from Monday 30th June to Monday 2nd July 2009. Preceding the conference, on Saturday 28th June and Sunday 29th June, are the tutorial days, which can be attended separately. We have a special extra early bird rate, just 95 GBP for the conference and 70 GBP for the tutorials. Be quick, this offer only last untill the 14th of March! For your convenience we negotiated special hotel prices, you can book your conference and hotels all at ones. Register at http://www.europython.eu/registration/ . Talks & Themes We already received a number of very interesting talks, why not add yours? Go to http://www.europython.eu/talks/cfp/ for this year's themes and submissions criteria, the deadline is on 5th April 2009. Other Talks, Activities and Events Have you got something which does not fit the above? Visit http://www.europython.eu/talks/ . Help Us Out We could use a hand, any contribution is welcome, please take a look at http://www.europython.eu/contact/ . Sponsors An unique opportunity to affiliate with the prestigious EuroPython conference! http://www.europython.eu/sponsors/ Spread the Word Improve our publicity by distributing this announcement in your corner of the community, coordinating this with the organizers is highly appreciated. http://www.europython.eu/contact/ General Information For more information about the conference, please visit http://www.europython.eu/ . Looking forward to see you! The EuroPython Team

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Elisa Media Center 0.5.30 Release
by Olivier Tilloy 02 Mar '09

02 Mar '09

Dear Python users, The Elisa team is happy to announce the release of Elisa Media Center 0.5.30, code-named "El Condor Pasa". Elisa is a cross-platform and open-source Media Center written in Python. It uses GStreamer [1] for media playback and pigment [2] to create an appealing and intuitive user interface. This release is a "light weight" release, meaning it is pushed through our automatic plugin update system. That is why there is no new Elisa windows installer nor any new packages: use the existing ones for 0.5.27; with the default configuration, they should upgrade automatically to 0.5.30. Tarballs for 0.5.30 are provided for packagers who want to disable the automatic plugin update system on their distribution. A complete list of the issues fixed can be found at: http://bugs.launchpad.net/elisa/+milestone/0.5.30 This is also summarised in the (attached) release notes. Installers and sources can be downloaded from http://elisa.fluendo.com/download/ Bug reports and feature requests are welcome at http://bugs.launchpad.net/elisa/+filebug Have a media-centered evening, Olivier, for the Elisa team [1] http://www.gstreamer.net/ [2] https://code.fluendo.com/pigment/trac Elisa 0.5.30 "El Condor Pasa" ============================= This is Elisa 0.5.30, thirtieth release of the 0.5 branch. Bugs fixed since 0.5.29: - 304324: Music files not indexed in the Music Library after media scanning - 330623: Call to update script is not URL encoded - 247258: most recent in YouTube doesn't work - 315672: [linux] Shouldn't disable screensaver if music is in pause - 331509: Yes.fm shows previous song title Download You can find source releases of Elisa on the download page: http://elisa.fluendo.com/download Elisa Homepage More details can be found on the project's website: http://elisa.fluendo.com Support and Bugs We use Launchpad for bug reports and feature requests: https://bugs.launchpad.net/elisa/+filebug Developers All code is in a Bazaar branch and can be checked out from there. It is hosted on Launchpad: https://code.launchpad.net/elisa Contributors to this release: - César Sánchez Ruiz - David McLeod - Florian Boucault - Guillaume Desmottes - Guillaume Emont - Jesús Corrius - Lionel Martin - Marc Garcia - Maxwell Young - Olivier Tilloy - Philippe Normand

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mingus 0.4 released
by Bart Spaans 01 Mar '09

01 Mar '09

Mingus is an advanced, cross-platform music theory and notation package for Python with MIDI file and playback support. It can be used to play around with music theory, to build editors, educational tools and other applications that need to process and/or play music. It can also be used to create sheet music with LilyPond. Version 0.4 of mingus has been released today. A lot has happened since version 0.3: + A separate midi sub-package for playing, reading and writing midi data was added; The reading part is still buggy and should not be relied upon, but the rest works like a charm. + The fluidsynth module now uses the pyFluidSynth bindings instead of depending on a running server to play notes. + A new module named value was added to make dealing with note durations easier. + Added chord substitution algorithms in the progressions module. + More functions, updates and bugfixes in the existing packages (see the change log for detailed information). + Up to date documentation, tutorials and exercises. + Packages for Ubuntu (in PPA) and Arch (NB. these packages are not maintained by me and may not always be up to date). See mingus' homepage for more information and downloads: http://mingus.googlecode.com/

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buzhug-1.5 released
by Pierre Quentel 01 Mar '09

01 Mar '09

Hi there, buzhug is the fastest pure-Python database engine, with a clear and intuitive syntax (no SQL) The new release 1.5 brings the following improvements : - introduce a thread-safe version - introduce a new syntax for record selection : record = db(key1=value2[,key2=value2...]) - allow an iterable of records for update db.update(list_of_records,key1=value1...) - a Windows installer is provided Home page : http://buzhug.sourceforge.net/ Downloads : http://sourceforge.net/project/showfiles.php?group_id=167078 Community : http://groups.google.com/group/buzhug?lnk=li Best regards, Pierre

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