Mailman 3 September 2009 - Python-announce-list

Jython 2.5.1 Release Candidate 2 is out!
by Frank Wierzbicki Sept. 12, 2009

Sept. 12, 2009

On behalf of the Jython development team, I'm pleased to announce that Jython 2.5.1rc2 is available for download: https://sourceforge.net/projects/jython/files/jython-dev/2.5.1rc2/jython_in… - See http://wiki.python.org/jython/InstallationInstructions for installation instructions. Jython 2.5.1rc2 fixes bugs that we found when testing rc1, including some db, codec, and locking issues. Please see the NEWS file for detailed release notes. Please report any bugs you find here: http://bugs.jython.org -- Thanks! -Frank Wierzbicki

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sqlkit - 0.8.6
by sandro Sept. 12, 2009

Sept. 12, 2009

ANNOUNCE: sqlkit 0.8.6 September, 12 - 2009 I'm happy to announce release 0.8.6 of sqlkit package for python. http://sqlkit.argolinux.org/ This release ------------ This is the first stable release. It features a new interface for the standalone command (sqledit), many improvements and functions added. We have used pyinstaller to create standalone executable for Linux and Mac, you can download them to use the application and to run the demo. It's now registered in pypi so you can 'easy_install' it. I'm currently looking for a debian sponsor to upload the package in sqeeze. A new tutorial is available here: http://sqlkit.argolinux.org/sqlkit/tutorial.html Refer to http://sqlkit.argolinux.org/download/Changelog for details The package ----------- SQLkit PyGtk package provides Mask and Table widgets to edit database data. It's meant as a base for database desktop applications. The application --------------- It also provides 'sqledit' a PyGTK application based on sqlkit that can be used from command line to browse and edit data. The package has 2 very rich demo suites for sql widgets (the main one in sqlkit/demo/sql/demo.py) and for layout creation Translations ------------ If you like sqlkit and want to help translating, you may find the project on: https://launchpad.net/sqlkit Main features of sqlkit: ------------------------ * editor of databases in 2 modes: table & mask * based on sqlalchemy: can cope with many different databases * very powerfull filtering capabilities: - each field can be used to filter records - filter may span relationship - date filtering possible also on relative basis (good for saved queries) * completion on all text field and foreign keys * very easy way to draw a layout for mask views * completely effortless editing of relationships * very easy way to set defaults * possibility to display totals of numeric fields * any possible sql constraint can be attached to a Mask or a Table. It can be expressed a s a normal sqlalchemy query or with django-like syntax * sqledit: python script to edit db Sqlkit is based on: ------------------- * python (>= 2.4 - but developed on 2.5) * PyGtk * Sqlalchemy (>= 0.5) * glade * python-dateutil * babel (localization) * you db driver of choice Dowload & more: --------------- * Download: http://sqlkit.argolinux.org/sqlkit/download.html easy_install sqlkit * Source: hg clone http://hg.argolinux.org/py/sqlkit * Google Group: http://groups.google.it/group/sqlkit/ * Translation: https://launchpad.net/sqlkit * Tutorial: http://sqlkit.argolinux.org/sqlkit/tutorial.html * Changelog: http://sqlkit.argolinux.org/download/Changelog * License: GNU GPL

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Scientific Computing with Python, September 18, 2009
by Amenity Applewhite Sept. 11, 2009

Sept. 11, 2009

(HTML version of email) Greetings! September is well upon us and it looks like it's already time for another Scientific Computing with Python webinar. Next week, Travis Oliphant will be hosting a presentation on regression analysis in NumPy and SciPy. As you are probably aware, Travis was the primary developer of NumPy, so we're fortunate to have him presenting these tools. Here's a word on what to expect Friday: A common scientific and engineering need is to find the parameters to a model that best fit a particular data set. A large number of techniques and tools have been created for assisting with this general problem. They vary based on the model (e.g. linear or nonlinear), the characteristics of the errors on the data (e.g. weighted or un- weighted), and the error metric selected (e.g. least-squares, or absolute difference). This webinar will provide an overview of the tools that SciPy and NumPy provide for regression analysis including linear and non-linear least-squares and a brief look at handling other error metrics. We will also demonstrate simple GUI tools that can make some problems easier and provide a quick overview of the new Scikits package statsmodels whose API is maturing in a separate package but should be incorporated into SciPy in the future. Here's the registration information: Scientific Computing with Python Webinar: Regression analysis in NumPy Friday, September 18 1pm CDT/6pm UTC Register at GoToMeeting: https://www1.gotomeeting.com/register/632400424 Forward email http://ui.constantcontact.com/sa/fwtf.jsp?m=1102424111856&ea=leah%40enthoug… Hope to see you there! -- Amenity Applewhite Enthought, Inc. Scientific Computing Solutions www.enthought.com

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Pygments 1.1 "Brillouin" released
by Georg Brandl Sept. 11, 2009

Sept. 11, 2009

I've just uploaded the Pygments 1.1 packages to CheeseShop. Pygments is a generic syntax highlighter written in Python. Download it from <http://pypi.python.org/pypi/Pygments>, or look at the demonstration at <http://pygments.org/demo>. Many thanks go to Tim Hatch for writing or integrating many of the bug fixes and new features in this release. Of course, thanks to all other contributors too! Short changelog: - Ported Pygments to Python 3; use "python3 setup.py build" and "python3 setup.py install" as usual with the source distribution. - Lexers added: Antlr/Ragel, (Ba)sh shell, Erlang shell, GLSL, Prolog, Evoque, Modelica, Rebol, MXML, Cython, ABAP, ASP.net (VB/C#), Vala, Newspeak. - Fixed the LaTeX formatter's output so that output generated for one style can be used with the style definitions of another (#384). - Added "anchorlinenos" and "noclobber_cssfile" (#396) options to HTML formatter. - Fixed lots of major and minor bugs in many lexers. - Added new-style reStructuredText directive for docutils 0.5+ (#428). Enjoy, Georg

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ANN: warehouse Objects in SQLite : y_serial module
by code43 Sept. 11, 2009

Sept. 11, 2009

Module download at SourceForge http://yserial.sourceforge.net Serialization + persistance :: in a few lines of code, compress and annotate Python objects into SQLite; then later retrieve them chronologically by keywords without any SQL. Most useful "standard" module for a database to store schema-less data. The module is instructive in the way it unifies the standard batteries: sqlite3 (as of Python v2.5), zlib (for compression), and cPickle (for serializing objects). If your Python program requires data persistance, then y_serial is a module which should be worth importing. All objects are warehoused in a single database file in the most compressed form possible. Tables are used to differentiate projects. Steps for insertion, organization by annotation, and finally retrieval are amazingly simple... y_serial.py module :: warehouse Python objects with SQLite http://yserial.sourceforge.net

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ANN: dh, the daemon helper 2009-09-04
by John Kelly Sept. 9, 2009

Sept. 9, 2009

dh, the daemon helper The daemon helper starts any program or script as a daemon. It's a small C program with a simple interface and a liberal license. ftp://ftp.isp2dial.com/users/jak/src/dh/ Get the files and do: make install clean To build and install dh. Don't try to run the Sh.install script directly, it must be invoked using the Makefile. I use dh for starting scripts which read fifos fed by syslog. They block on read until syslog provides data to work on. They never end, and need help to start as "daemons." But that's just one example. There are many other potential uses for the daemon helper. dh is its name; a natural companion to sh. I use dh on Linux, but was curious about portability. With some minor changes, I compiled and installed it on NetBSD 5.0.1 x86. So now it's portable. Wheee! It's a cool tool, it reports problems encountered when trying to exec the target daemon program or script. Debian's start-stop-deamon can't do that, nor can any other daemon tool I know of. It's minimal, with only one command line option, -p. Avoiding unneeded bells and whistles was my intentional design. In six months time, I could lose interest in computers, start a new career, and the work would be lost forever. Someone who likes C more than I do should adopt dh and help it grow. But if you do, don't believe what Stevens wrote about ignoring SIGHUP before the second fork(). It's not true, so don't write voodoo code to handle it! See the thread in c.u.p with the subject "Orphaned process groups, daemon startup, SIGHUP." If you can't adopt dh, but have ideas for patches, send them. But if I don't respond, well then, you're on your own. There is no man page for dh, but the README explains how to use it. If there is enough interest, maybe someday I will give dh an official version number and use some version control. But for now, the date of last modification is all there is. -- Webmail for Dialup Users http://www.isp2dial.com/freeaccounts.html

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ANN: Leo 4.7 beta 1 released
by Edward K Ream Sept. 9, 2009

Sept. 9, 2009

Leo 4.7 beta 1 is now available at: http://sourceforge.net/project/showfiles.php?group_id=3458&package_id=29106 Leo is a text editor, data organizer, project manager and much more. See: http://webpages.charter.net/edreamleo/intro.html This version of Leo is labeled a beta version because it contains some new, relatively untested plugins. However, Leo's core should be quite reliable. In particular, Leo 4.7 beta 1 fixes a bug that caused Leo 4.6 releases to crash if .leoID.txt did not exist. Usually this file does exist, but Leo will prompt for the contents of this file (a user id) the very first time somebody uses Leo. Alas, an unfortunate reversion of code caused Leo to crash. Not exactly the best introduction to Leo! The highlights of Leo 4.7: -------------------------- - A major simplification of internal data model: the so-called one-node world. Note: this is **disabled** in the beta 1 release. - A new executable Windows installer, whose manifest is created from the files that bzr actively manages. - Leo no longer adds directories to sys.path on startup. - New plugins. - The usual assortment of bug fixes. Links: ------ Leo: http://webpages.charter.net/edreamleo/front.html Forum: http://groups.google.com/group/leo-editor Download: http://sourceforge.net/project/showfiles.php?group_id=3458 Bzr: http://code.launchpad.net/leo-editor/ Quotes: http://webpages.charter.net/edreamleo/testimonials.html -------------------------------------------------------------------- Edward K. Ream email: edreamleo(a)yahoo.com Leo: http://webpages.charter.net/edreamleo/front.html --------------------------------------------------------------------

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[ANN] Chicago Python User Group ChiPy September Meeting
by Brian Ray Sept. 9, 2009

Sept. 9, 2009

Chicago Python User Group ========================= History, Tradition, Technology and Journalism meet this Thursday at one of our nations most historical landmarks, Tribune Tower--right off the Chicago River on the Magnificent Mile. This *new* venue speaks to the movement of journalism into technology and technology into Python. So, this will be one of most interesting venues and will provide a solid platform for the best user group meeting in the history of newspapers. We may even channel DjangoCon going on at the same time on the West coast. Bring a friend. This will is going to be great! RSVP Right NOW to: brian (at) hackerjournalist.net if you even think you might make it. Topics ------ * (30 min) Somewhat Advanced SQLAlchemy - Daniel Griffin * (30 min) Python port of Geo::StreetAddress::US library - Joe Germuska * (30 min) "Not using AMQP to super charge your Django apps!" -- Garrett Smith * (15 min) "Hello, and Beyond" -- Clyde Forrester When ---- Thursday, September 10th, ~7pm Location -------- Tribune Tower, 435 N. Michigan Ave. RSVP to brian (at) hackerjournalist.net Other Meetings -------------- (before) Kinzie Chop House (some plan to gather around 4:30) (after) Billy Goat is obvious (and with merit) OR CND Gyros & Lounge 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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Distribute 0.6.1 released
by Tarek Ziadé Sept. 8, 2009

Sept. 8, 2009

Hello I am happy to announce the release of Distribute 0.6.1. - What is Distribute ? Distribute is a friendly fork of the Setuptools project. More info at http://pypi.python.org/pypi/distribute and http://bitbucket.org/tarek/distribute/wiki/ - Changes: * zip_ok is now True by default. * package_index.urlopen now catches BadStatusLine and malformed url errors. * Fixed invalid URL error catching. * Fixed invalid bootstraping with easy_install installation. Thanks to Florian Shchulze for the help * Removed buildout/bootstrap.py. A new repository at bitbucket.org will create a specific bootstrap.py script. * The bootstrap process leave setuptools alone if detected in the system and --root, --user or --prefix is provided, but is not in the same location. The next release of the 0.6 series will try to adress all remaining bugs in the tracker, The first 0.7 release, which targets Python 3, is still under heavy work. Cheers Tarek -- Tarek Ziadé | http://ziade.org | オープンソースの岩！

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Parallelization in Python at the Regular Toronto and Area Python User's Group September 15th
by Mike C. Fletcher Sept. 8, 2009

Sept. 8, 2009

We'll be having our regular Toronto Area Python User's group meeting at Linux Caffe on Tuesday the 15th of September at 7:05pm. Parallelization in Python: Code Samples, Experiences and Advocacy Unlike functional languages (Haskel, Erlang), where parallelization is "baked into" the language, Python programmers often have to do a bit of work to get their code to run in parallel. We have a huge number of libraries that allow you to run your code concurrently, so this month we're going to collect code samples and descriptions of how you go about making your code run in parallel, and when each approach is appropriate. So, to participate, spelunk through your codebases and try to find a few examples of parallel programming, whether it be threads, multiprocessing, database-based concurrency, file-base concurrency, grid systems, GPGPU code, continuations, green-threads, MPI, RPC, Twisted, asyncore, raw sockets/pipes or any of the dozens of other approaches. If possible, have a piece of code that shows "how it works in practice" and maybe consider how to answer these questions: * How does it (the mechanism of parallelization) work (loosely)? * What benefits does it give you? * What problems does it introduce? * How does it scale (up/down)? * What level of granularity makes sense for it? * How does it handle communication between code? * How parallel can you get effectively? (10s of nodes? 10s of thousands? millions?) * Does it handle contention/locking/conflicts? * How stable/reliable is it? We'll try to keep the discussion lively and interesting. Venue details, maps and the like on the web-site: http://www.pygta.org We'll also likely have a discussion about putting together a series of 1/2 or 1-day classes (in a more formal classroom-like setting) for new Python users. Have fun all, Mike -- ________________________________________________ Mike C. Fletcher Designer, VR Plumber, Coder http://www.vrplumber.com http://blog.vrplumber.com

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Announcing: Python Open Mike blog
by Catherine Devlin Sept. 8, 2009

Sept. 8, 2009

A new blog, python-open-mike.posterous.com, has been created for open discussion in the Python community. *Anyone* can post to this blog, simply by emailing to post(a)python-open-mike.posterous.com. Not everyone has, wants, or feels ready for a blog of their own; we want to make sure that everyone has a chance to speak out to the Python community. We hope to broaden discussion in the Python blogosphere by making it even easier for new participants to join in the conversation. Blog posts will be moderated, so there will be a delay in your posting until a moderator can review them. They should be relevant to the Python community. Please include your name in your post, unless you have a specific reason for wishing to remain anonymous. -- - Catherine http://catherinedevlin.blogspot.com/ *** PyOhio * July 25-26, 2009 * pyohio.org ***

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Python Keyring Lib v0.2 Released
by Kang Zhang Sept. 7, 2009

Sept. 7, 2009

Hi all, We're proud to annouce that Python keyring lib 0.2 is released. Introduction ========= The Python keyring lib provides a easy way to access the system keyring service from python. It can be used in any application that needs safe password storage. Page on PyPI: http://pypi.python.org/pypi/keyring/ What's new in v0.2? =============== It's a bugfix-only version for v0.1, the major change is the support for Python 2.4+. So if you're using Python 2.6, it's not needed to upgrade. Regards, Kang -- ------------------------------------------------------------ Kang Zhang Computer Science Dept. Shanghai Jiao Tong University

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xlutils 1.4.1 released!
by Chris Withers Sept. 6, 2009

Sept. 6, 2009

Hi All, I'm pleased to announce a new release of xlutils. This package is a small collection of utilities that make use of both xlrd and xlwt to process Microsoft Excel files. This release includes memory and speed enhancements for xlutils.filter and xlutils.copy. To find out more, please read here: http://www.simplistix.co.uk/software/python/xlutils In case you're not aware, xlrd and xlwt are two excellent pure-python libraries for reading and writing Excel files. They run on any platform and, likely, any implementation of Python without the need for horrific things like binding to Excel via COM and so needing a Windows machine. If you use any of xlrd, xlwt or xlutils, the following google group will be of use: http://groups.google.com.au/group/python-excel Hope some of this is of interest, I'd love to hear from anyone who ends up using it! cheers, Chris -- Simplistix - Content Management, Zope & Python Consulting - http://www.simplistix.co.uk

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TestFixtures 1.6.1 released!
by Chris Withers Sept. 6, 2009

Sept. 6, 2009

Hi All, I'm pleased to announce a new release of TestFixtures. This package is a collection of helpers and mock objects that are useful when writing unit tests or doc tests. This release sees the following changes: - @replace and Replacer.replace can now replace attributes that may not be present, provided the `strict` parameter is passed as False. - should_raise now catches BaseException rather than Exception so raising of SystemExit and KeyboardInterrupt can be tested. To find out more, please read here: http://pypi.python.org/pypi/testfixtures cheers, Chris -- Simplistix - Content Management, Zope & Python Consulting - http://www.simplistix.co.uk

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ANN: Leipzig Python User Group - Meeting, September 8, 2009, 08:00pm
by Stefan Schwarzer Sept. 6, 2009

Sept. 6, 2009

=== Leipzig Python User Group === We will meet on Tuesday, September 8 at 8:00 pm at the training center of Python Academy in Leipzig, Germany ( http://www.python-academy.com/center/find.html ). Markus Zapke-Gründemann will talk about the micro web framework Bottle. 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 . Stefan == Leipzig Python User Group === Wir treffen uns am Dienstag, 08.09.2009 um 20:00 Uhr im Schulungszentrum der Python Academy in Leipzig ( http://www.python-academy.de/Schulungszentrum/anfahrt.html ). Markus Zapke-Gründemann wird das Mikro-Web-Framework Bottle 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 Stefan

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PyCon 2010 - Call for Tutorials
by Greg Lindstrom Sept. 5, 2009

Sept. 5, 2009

The Tutorial Committee for PyCon 2010 in Atlanta is now accepting proposals for classes. This year will feature 2 days of classes prior to the "official" conference. These classes are 3-hour long sessions concentrating on specific Python packages or techniques and are taught by some of the smartest cookies in the Python Universe. Anything Python may be submitted for consideration but there are a limited number of sessions to be filled. Topics taught or requested over the past two years include: * Python 101 - An introduction to programming Python, either for complete beginners or programmers experienced in other languages. * Python 201 - There has been repeated requests for classes covering "intermediate" topics; data structures, database techniques, classes/objects, standard library, eggs, etc. * Python 401 - Classes covering "advanced" topics; multi-processing/concurrency, iterators/generators, OOP, etc. * Web Topics - Frameworks, web testing, design, security, scraping. * Scientific Python - MatLab, SciPy * Testing - Frameworks, methods * GUI - Dabo, wxPython, TkInter, etc. * More: XML, GIS, SQLAlchemy, Jython, System Administration More information, including a sample proposal and blank template, are at http://us.pycon.org/2010/tutorials/proposals/. Questions? Email us at pycon-tutorials(a)python.org. Greg Lindstrom

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[ANN] Athens Python User Group - Meeting September 9, 2009, 19:00.
by Orestis Markou Sept. 4, 2009

Sept. 4, 2009

== Announcing the 1st meeting of the Athens Python User Group == If you live near Athens, Greece and are interested in meeting fellow Python programmers, meet us for a friendly chat at the Eleftheroudakis Bookstore café, on Wednesday 9 September, 7:00pm. If you plan to attend, please add a comment here: http://orestis.gr/blog/2009/09/01/athens-python-user-group/ Orestis

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REMINDER: PyCon 2010: Call for Proposals
by Aahz Sept. 4, 2009

Sept. 4, 2009

Call for proposals -- PyCon 2010 -- <http://us.pycon.org/2010/> =============================================================== Due date: October 1st, 2009 Want to showcase your skills as a Python Hacker? Want to have hundreds of people see your talk on the subject of your choice? Have some hot button issue you think the community needs to address, or have some package, code or project you simply love talking about? Want to launch your master plan to take over the world with python? PyCon is your platform for getting the word out and teaching something new to hundreds of people, face to face. Previous PyCon conferences have had a broad range of presentations, from reports on academic and commercial projects, tutorials on a broad range of subjects and case studies. All conference speakers are volunteers and come from a myriad of backgrounds. Some are new speakers, some are old speakers. Everyone is welcome so bring your passion and your code! We're looking to you to help us top the previous years of success PyCon has had. PyCon 2010 is looking for proposals to fill the formal presentation tracks. The PyCon conference days will be February 19-22, 2010 in Atlanta, Georgia, preceded by the tutorial days (February 17-18), and followed by four days of development sprints (February 22-25). Online proposal submission is open now! Proposals will be accepted through October 1st, with acceptance notifications coming out on November 15th. For the detailed call for proposals, please see: <http://us.pycon.org/2010/conference/proposals/> For videos of talks from previous years - check out: <http://pycon.blip.tv> We look forward to seeing you in Atlanta! -- Aahz (aahz(a)pythoncraft.com) <*> http://www.pythoncraft.com/ "Look, it's your affair if you want to play with five people, but don't go calling it doubles." --John Cleese anticipates Usenet

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Pydev 1.5.0 (Pydev Extensions open sourced)
by Fabio Zadrozny Sept. 4, 2009

Sept. 4, 2009

Hi All, Today, Aptana is proud to announce that Pydev and Pydev Extensions have become a single plugin, with all the available contents open source (and freely available for anyone) in the 1.5.0 release (it's the same as 1.4.8 but with all the code open source). With that, Aptana believes in providing a better service and growth path for Pydev (which will still be actively maintained by Aptana), enabling anyone to provide contributions to the previously closed source product, while providing its Cloud customers a better service. Note for those already using Pydev or Pydev Extensions: The update site has been changed (see: http://www.pydev.org/download.html for more details) and if you had a previous install of Pydev Extensions, you need to uninstall it before installing the new version of Pydev. Note for developers: Pydev is now available under git (at github), and its previously used subversion will be disabled. Instructions on getting the source code from the new location is available at: http://www.pydev.org/developers.html Best Regards, -- Fabio Zadrozny Aptana http://aptana.com Pydev - Python Development Environment for Eclipse http://pydev.org http://pydev.blogspot.com

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Sphinx 0.6.3 released
by Georg Brandl Sept. 3, 2009

Sept. 3, 2009

Hi all, I'm proud to announce the release of Sphinx 0.6.3, which is a bugfix-only release in the 0.6 series. What is it? =========== Sphinx is a tool that makes it easy to create intelligent and beautiful documentation for Python projects (or other documents consisting of multiple reStructuredText source files). Website: http://sphinx.pocoo.org/ What's new in 0.6.3 (short version)? ==================================== Over 20 bugs and problems have been fixed. The full list is at <http://sphinx.pocoo.org/changes.html>. cheers, Georg

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First release of pyfsevents
by Nicolas Dumazet Sept. 3, 2009

Sept. 3, 2009

Hello! I am proud to announce the first release of pyfsevents, a C extension providing a Python interface to the FSEvents API. FSEvents is an Apple framework for Mac OS X >= 10.5 allowing monitoring of file system events on Mac OS platforms. * URL: http://pypi.python.org/pypi/pyfsevents * Mercurial repository: http://bitbucket.org/nicdumz/fsevents/ This extension was developed during a Google Summer of Code project [1] for Mercurial, to improve its inotify extension [2] As it is its first release I would welcome warmly any kind of feedback on that extension. Tests, code comments, feedback on the offered API, its documentation, distribution, etc... Anything, please let me know :) [1] http://socghop.appspot.com/student_project/show/google/gsoc2009/hg/t1240224… [2] http://mercurial.selenic.com/wiki/InotifyExtension -- Nicolas Dumazet — NicDumZ

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Python-URL! - weekly Python news and links (Sep 2)
by Gabriel Genellina Sept. 2, 2009

Sept. 2, 2009

QOTW: "I like how being very friendly means calling people after a guy who tried to blow up the English Parliament." - Carl Banks http://groups.google.com/group/comp.lang.python/browse_thread/thread/7a190c… unichr/ord cannot handle characters outside the BMP in a narrow build: http://groups.google.com/group/comp.lang.python/t/2fe770303f1d85ea/ How to determine if a class implements a particular interface: http://groups.google.com/group/comp.lang.python/t/27ea61dd2aaa0fcb/ Igor Novikov provides a lovely small pure-Python extension to manage ARGB cursors in Tkinter. http://tkinter.unpy.net/wiki/tkXcursor Why does `some_integer += 1` create a new integer object instead of incrementing the current value? http://groups.google.com/group/comp.lang.python/t/25b921e3b00ec2ae/ Iterating and mutating a list from two or more threads: http://groups.google.com/group/comp.lang.python/t/b19381a806007f4d/ Mapping message identifiers to methods: http://groups.google.com/group/comp.lang.python/t/8f7f1771945b4add/ A class definition doesn't introduce a new lexical scope - and that's a Good Thing [long thread]: http://groups.google.com/group/comp.lang.python/t/2cd187fa256744fe/ A clean way of adding directories to the module search path: http://groups.google.com/group/comp.lang.python/t/9052cc623088bdb2/ Recipe: convert an existing module into a package or sub-package http://groups.google.com/group/comp.lang.python/t/9919cf2a60722344/ Tools for designing professional-looking applications for Windows: http://groups.google.com/group/comp.lang.python/t/d22dcd394ab08333/ The basics for doing Web applications in Python: http://groups.google.com/group/comp.lang.python/t/1176ea4e6814f466/ What CAN'T be done in Python? http://groups.google.com/group/comp.lang.python/t/a368e85aa85ab436/ Favorite debugging tools? http://groups.google.com/group/comp.lang.python/t/1efb7b97d5d94d9b/ In 3.1, print() requires the terminal to be correctly configured with respect to locale settings: http://groups.google.com/group/comp.lang.python/t/8e666bb7eae9c859/ Idea: expand the for statement to accept additional, nested 'for's and an '= if' clause: http://groups.google.com/group/comp.lang.python/t/83b1d70457345877/ ======================================================================== 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 enthusiasts": 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/ 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 Enjoy the *Python Magazine*. http://pymag.phparch.com/ *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: eGenix mxODBC - Python ODBC Database Interface 3.0.3
by eGenix Team: M.-A. Lemburg Sept. 1, 2009

Sept. 1, 2009

________________________________________________________________________ ANNOUNCING eGenix.com mxODBC - Python ODBC Database Interface Version 3.0.3 mxODBC is our commercially supported Python extension providing ODBC database connectivity to Python applications on Windows and Unix platforms This announcement is also available on our web-site for online reading: http://www.egenix.com/company/news/eGenix-mxODBC-3.0.3-GA.html ________________________________________________________________________ INTRODUCTION mxODBC provides an easy-to-use, high-performance, reliable and robust Python interface to ODBC compatible databases such as MS SQL Server, MS Access, Oracle Database, IBM DB2 and Informix , Sybase ASE and Sybase Anywhere, MySQL, PostgreSQL, SAP MaxDB and many more. The "eGenix mxODBC - Python ODBC Database Interface" product is a commercial extension to our open-source eGenix mx Base Distribution. * About Python (http://www.python.org/): Python is an object-oriented Open Source programming language which runs on all modern platforms. By integrating ease-of-use, clarity in coding, enterprise application connectivity and rapid application design, Python establishes an ideal programming platform for today's IT challenges. * About eGenix (http://www.egenix.com/): eGenix is a software project, consulting and product company focusing on expert services and professional quality products for companies, Python users and developers. ________________________________________________________________________ NEWS mxODBC 3.0.3 is a patch-level release and includes the following updates: * Python 2.3 - 2.6 support: mxODBC 3.0 is available for Python 2.3, 2.4, 2.5 and 2.6. We ship binaries for Windows, Linux, Mac OS X, AIX, Solaris, and offer custom porting services for most other platforms. * Enhanced support for using cursors as iterators: mxODBC cursor objects can now be used as iterators to iterate over result sets. While this was already possible in previous versions using wrappers, we have now added direct iterator support to the cursor objects themselves. * Updated work-arounds for various ODBC drivers: eGenix always aims to make using mxODBC as easy and robust as possible. For this reason, we regularly add or update work-arounds for problems found in recent ODBC driver versions. This release includes new work-arounds for the MySQL ODBC driver running on 64-bit Linux, the SQL Server 200 ODBC driver and the FileMaker ODBC driver. For the full set of changes please check the mxODBC change log: http://www.egenix.com/products/python/mxODBC/changelog.html For the full set of features mxODBC has to offer, please see: http://www.egenix.com/products/python/mxODBC/#Features ________________________________________________________________________ DOWNLOADS The download archives and instructions for installing the package can be found at: http://www.egenix.com/products/python/mxODBC/ In order to use the eGenix mxODBC package you will first need to install the eGenix mx Base package: http://www.egenix.com/products/python/mxBase/ ________________________________________________________________________ UPGRADING You are encouraged to upgrade to this latest mxODBC release, especially if you are using MS SQL Server or Informix as database server. Customers who have purchased mxODBC 3.0 licenses can download and install this patch-level release on top of their existing installations. The licenses will continue to work with version 3.0.2. Users of mxODBC 2.0 will have to purchase new licenses from our online shop in order to upgrade to mxODBC 3.0.2. You can request 30-day evaluation licenses by visiting our web-site at http://www.egenix.com/products/python/mxODBC/#Evaluation or writing to sales(a)egenix.com, stating your name (or the name of the company) and the number of eval licenses that you need. _______________________________________________________________________ SUPPORT Commercial support for this product is available from eGenix.com. Please see http://www.egenix.com/services/support/ for details about our support offerings. Enjoy, -- Marc-Andre Lemburg eGenix.com Professional Python Services directly from the Source (#1, Sep 01 2009) >>> Python/Zope Consulting and Support ... http://www.egenix.com/ >>> mxODBC.Zope.Database.Adapter ... http://zope.egenix.com/ >>> mxODBC, mxDateTime, mxTextTools ... http://python.egenix.com/ ________________________________________________________________________ ::: Try our new mxODBC.Connect Python Database Interface for free ! :::: eGenix.com Software, Skills and Services GmbH Pastor-Loeh-Str.48 D-40764 Langenfeld, Germany. CEO Dipl.-Math. Marc-Andre Lemburg Registered at Amtsgericht Duesseldorf: HRB 46611 http://www.egenix.com/company/contact/

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Jython 2.5.1 Release Candidate 1 is out!
by Frank Wierzbicki Sept. 1, 2009

Sept. 1, 2009

On behalf of the Jython development team, I'm pleased to announce that Jython 2.5.1rc1 is available for download: https://sourceforge.net/projects/jython/files/jython/2.5.1rc1/jython_instal…. See the http://wiki.python.org/jython/InstallationInstructions for installation instructions. Jython 2.5.1rc1 fixes a number of bugs, including some major errors when using coroutines and when using relative imports. Please see the NEWS file for detailed release notes. Please report any bugs that you find here http://bugs.jython.org. Thanks!

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ANN: PyBindGen 0.12 released
by Gustavo Carneiro Sept. 1, 2009

Sept. 1, 2009

PyBindGen is a Python module that is geared to generating C/C++ code that binds a C/C++ library for Python. It does so without extensive use of either C++ templates or C pre-processor macros. It has modular handling of C/C++ types, and can be easily extended with Python plugins. The generated code is almost as clean as what a human programmer would write. It can be downloaded from: http://code.google.com/p/pybindgen/ Bug reports should be filed here: https://bugs.launchpad.net/pybindgen === pybindgen 0.12 === - Now we can catch C++ exceptions and translate them into Python - New API to add container iteration powers to wrapped C++ classes - Unary minus operator support (J. Michael Owen) - CppMethod: is_pure_virtual=True should imply is_virtual=True - More polish for numeric operators with non-class right operand - Virtual methods regressions fixed - gccxmlparser: don't try to wrap private/protected operators - MSVC compilation fix - unsigned long type handlers (J. Michael Owen) - tp_len/__len__ works now with overloaded methods (J. Michael Owen) - Add foreign_cpp_namespace option to Function wrappers - Misc. cleanup and bug fixes -- Gustavo J. A. M. Carneiro INESC Porto, Telecommunications and Multimedia Unit "The universe is always one step beyond logic." -- Frank Herbert

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