Python-announce-list March 2003

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57 participants
75 discussions

Article: Using SAX for Proper XML Output
by Uche Ogbuji 13 Mar '03

13 Mar '03

http://www.xml.com/pub/a/2003/03/12/py-xml.html I demonstrate how to use the SAX |xml.sax.XMLGenerator, available in core Python, |to generate XML. -- Uche Ogbuji Fourthought, Inc. http://uche.ogbuji.net http://4Suite.org http://fourthought.com Universal Business Language (UBL) - http://www-106.ibm.com/developerworks/xml/library/x-think16.html EXSLT by example - http://www-106.ibm.com/developerworks/library/x-exslt.html The worry about program wizards - http://www.adtmag.com/article.asp?id=7238 Use rdf:about and rdf:ID effectively in RDF/XML - http://www-106.ibm.com/developerworks/xml/library/x-tiprdfai.html Keep context straight in XSLT - http://www-106.ibm.com/developerworks/xml/library/x-tipcurrent.html Python Generators + DOM - http://www.xml.com/pub/a/2003/01/08/py-xml.html Simple XML Processing With elementtree - http://www.xml.com/pub/a/2003/02/12/py-xml.html

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Local Python Meeting in Duesseldorf, Germany
by M.-A. Lemburg 13 Mar '03

13 Mar '03

This is an annoucement for a local Python meeting in Germany, so please excuse that the rest of this message is in German. --------------------------------------------------------------------- * Düsseldorfer Python Treffen Einige Python-Enthusiasten wollen sich am 17.03. um 20 Uhr ganz ungezwungen im Tigges treffen. Vorträge u.ä. sind nicht geplant. Alle Python-Freunde/innen sind herzlich eingeladen. Vielleicht gibt es ja doch mehr davon in der Region um Düsseldorf, als wir bisher annahmen :-) * Wie kommt man zum Tigges ? Hier ist ein elektronischer Fahrplan: http://efa.vrr.de/ Die Haltestelle heißt "Bilk-S". Das Tigges liegt in unmittelbarer Nähe des S-Bahnhofs Bilk: Brunnenstraße Nr.1. Hier einige weitere Infos: http://www.linux.de/groups/show.php3?place=D%FCsseldorf Das sollte reichen, um das Tigges zu finden :-) Bis dann, -- Marc-Andre Lemburg eGenix.com Professional Python Software directly from the Source (#1, Mar 13 2003) >>> Python/Zope Products & Consulting ... http://www.egenix.com/ >>> mxODBC, mxDateTime, mxTextTools ... http://python.egenix.com/ ________________________________________________________________________ Python UK 2003, Oxford: 19 days left EuroPython 2003, Charleroi, Belgium: 103 days left

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PyCon: two more days for checks
by Aahz 13 Mar '03

13 Mar '03

March 15 is the deadline if you want to get the $200 pre-conference price by paying with check; the envelope containing your check must be postmarked on or before March 15. You have until March 21 if you pay by credit card. http://www.python.org/pycon/reg.html PyCon DC 2003 The first PyCon will be held 26-28 March, 2003, at George Washington University's Cafritz Conference Center in Washington DC. There will be a development sprint Mon/Tues before the conference. PyCon is a community-oriented conference targeting developers (both those using Python and those working on the Python project). It gives you opportunities to learn about significant advances in the Python development community, to participate in a programming sprint with some of the leading minds in the Open Source community, and to meet fellow developers from around the world. The organizers have worked hard to ensure that the conference be affordable and accessible to all. We look forward to seeing you there. -- Aahz (aahz(a)pythoncraft.com) <*> http://www.pythoncraft.com/ Register for PyCon now! http://www.python.org/pycon/reg.html

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Care to sprint on the core at PyCon?
by Brett Cannon 12 Mar '03

12 Mar '03

Four members of PythonLabs will be at the pre-PyCon sprint (more info on sprints at http://www.python.org/cgi-bin/moinmoin/SprintPlan ) running one for the Python core. If you would like to attend, email me at brett(a)python.org to say so. You must be registered for PyCon to be able to attend. And please do this ASAP so we can get the ball rolling on this and lock down who will be there. And regardless whether you care to attend or not, please look at http://www.python.org/cgi-bin/moinmoin/PyCoreSprint and make suggestions on what the group should sprint on. -Brett

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ANNOUNCE: wxPython 2.4.0.5
by Robin Dunn 12 Mar '03

12 Mar '03

Close on the heels of 2.4.04, wxPython 2.4.0.5 is now available for download at http://wxpython.org/download.php wxPython is a popular cross platform GUI toolkit for the Python language that supports running Python apps on Win32, Mac OSX, and Linux/Unix systems, using native widgets and therefore natiove look and feel on the respective plafroms. From the webpage given above you can download source code, documentation and pre-built wxPython packages for various platforms and for various versions of Python (2.1, 2.2 or 2.3, except for OS X which only has a build for 2.3) The 2.4.0.5 release solves several small but annoying bugs, and includes updates of the colourchooser and PyCrust pacakges. For details of the 2.4.0.4 or earlier releases please look here: http://wxpython.org/CHANGES.txt -- Robin Dunn Software Craftsman http://wxPython.org Java give you jitters? Relax with wxPython!

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Python ANT (PyANT) version 0.31 released
by erellon＠narod.ru 12 Mar '03

12 Mar '03

PyANT is a project for porting Jakarta's ANT ideas to Python. The main advantage it has over Java is speed and support for Python scripts. PyANT written in pure Python and project intended for developers who wants to automate their projects building and testing process. Project link here: http://www.sourceforge.net/projects/pyant Changes since last version: - Fixed bug in copying single file to single file + Added attribute "dir" for <fileset> for compatibility with ANT. "basedir" attribute still works + Added conditional attributes to <target> for now constructions <target if="propertyname"> and <target unless="propertyname"> sample included in "samples/build_iftest.xml" + Added <Config> task to read and write Python config files (.INI like) + Added <Tar> task to create .tar and .tar.gz archives + Added <Input> and <Dirname> tasks that are compilant with ANT tasks with same names + Added "regkey" handler, this handler allows to access registry keys on Win32 platform via full path to that key. Sample usage provided in "build_handlers.xml" example file + Added <Checksum> task, that is like in ANT spec and supports MD5 and SHA algorithms Note: Project files available as ZIP, TGZ and EXE-self installer with Inno Setup files Ivan Begtin aka Erellon (erellon%narod.ru)

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ANN: BayPIGgies mtg Wed Mar 12 7:30pm
by Wesley Chun 11 Mar '03

11 Mar '03

BayPIGgies: Silicon Valley-San Francisco Bay Area Python Users Group When: March 12, 2002 @ 7:30pm Where: Stanford University, Palo Alto, CA Agenda: PyChecker and Friends Speaker: Phil Lindsay "PyChecker and friends: Easing the transition from ad hoc scripts to stable, maintainable Python applications" PyChecker can be thought of as "Lint" for Python, and is a tool for finding bugs in Python source code. This talk will introduce PyChecker, show some of its functionality and discuss some of the lessons learned from its use in a commercial software development environment. The presentation will be from the perspective of a happy user & interested hacker. Some of the future goals of the project's authors will also be described. If time permits, the speaker will demonstrate a couple of small tools he has developed to also help in the creation of stable, maintainable applications. # Call For Talks: We are actively seeking speakers for BayPIGgies! If you would like to give a talk at one of our 2003 meetings (any Python related topic), contact us to coordinate! more info including directions: http://www.baypiggies.net hope 2 c u tomorrow nite! -wesley - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - "Core Python Programming", Prentice Hall PTR, � 2001 http://starship.python.net/crew/wesc/cpp/ Silicon Valley-San Francisco Bay Area Python Users Group (BayPIGgies) http://baypiggies.net wesley.j.chun :: wesc at deirdre.org or wesc at fuzzyorange.com cyberweb.consulting : henderson, nv : cyberweb at rocketmail.com http://www.roadkill.com/~wesc/cyberweb/

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PSF obtains favorable advance ruling from IRS
by Guido van Rossum 11 Mar '03

11 Mar '03

I'm very pleased to announce that the Python Software Foundation has been recognized by the IRS (the US office of taxation) as a tax-exempt non-profit foundation (aka 501(c)(3)), and that the IRS has given the PSF a "favorable advance ruling" on the PSF's application for recognition as a public charity. Read the IRS ruling here: http://www.python.org/psf/records/tax-exempt.txt Recognition as a public charity has many benefits for the PSF and our community, including strong requirements for public disclosure and accountability, strong legal protections, and freedom from Federal taxation on foundation revenue. Contributions to the PSF are also tax-deductible for purposes of US income tax, subject to the same regulations as donations to any public charity. The PSF hasn't solicited contributions so far, waiting for the IRS ruling. Now that we have a favorable advance ruling, as the letter states we need to demonstrate broad public financial support to retain public charity status. A PSF committee is looking into ways to make contributing as easy as possible (like "click here to donate"). If you can't wait, the best way to contribute now is via check: http://www.python.org/psf/donations.html The PSF currently has financial responsibility for PyCon DC 2003: http://www.python.org/pycon/ Provided that doesn't bankrupt us :-), other things the PSF does (and would like to do) are given in the PSF's mission statement: http://www.python.org/psf/mission.html So get those donations coming! (Non-US residents are encouraged to donate, and their donations will be counted as public financial support, but such donations are generally not tax-exempt for the donor. To change this would require setting up PSF subsidiaries in many countries; we don't have the resources to do this. Check your local tax law; there may be exceptions.) --Guido van Rossum (home page: http://www.python.org/~guido/)

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[ANN]: twander 3.134 Released And Available
by Tim Daneliuk 11 Mar '03

11 Mar '03

'twander' Version 3.134 is now released and available for download at: http://www.tundraware.com/Software/twander The last public release was 3.0. Existing users should upgrade immediately as this release contains substantial bug fixes and many new features. This release also introduces these new features: 1) Ability to sort by any column 2) Ability to use regular expressions to select directories or files 3) Ability to maintain a single configuration file for all systems and users by means of new conditional statements and include directive in the configuration language. Complete details of all fixes, changes, and new features can be found in the WHATSNEW.txt file included in the distribution. Users are strongly encourage to join the twander-users mailing list as described in the documentation. What Is 'twander'? ------------------ 'twander' is a macro-programmable Filesystem Browser which runs on both Unix-like systems as well as Win32 systems. It embraces the best ideas of both similar GUI-driven programs (Konqueror, Windows Explorer) as well as text-based interfaces (Midnight Commander, List, Sweep). Or, If You Prefer The "Elevator Pitch" -------------------------------------- 'twander' is: - A better file browser for Unix and Win32. (Tested on FreeBSD, Linux, Win32.) - A way to make browsing the same on all the OSs you use. - A macro-programmable tool that lets *you* define the features. - A GUI navigation front-end for your shell. - A way to "can" workflows for your technically-challenged colleagues. - A way to free yourself from the shackles of the mouse. - A way to significantly speed up your day-to-day workflow. - A Python/Tkinter application - about 3100/1300 lines of code/comments - A RCT (Really Cool Tool) that will have you addicted in a day or two See the web page for more information and a screen shot. Better still, download the tarball and read the documentation. ------------------------------------------------------------------------------ Tim Daneliuk tundra(a)tundraware.com

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cx_Oracle 3.0
by Anthony Tuininga 10 Mar '03

10 Mar '03

What is cx_Oracle? cx_Oracle is a Python extension module that allows access to Oracle and conforms to the Python database API 2.0 specifications with a few exceptions. Where do I get it? http://computronix.com/utilities What's new? 1) Removed support for connection to Oracle7 databases; it is entirely possible that it will still work but I no longer have any way of testing and Oracle has dropped any meaningful support for Oracle7 anyway 2) Fetching of strings is now done with predefined memory areas rather than dynamic memory areas; dynamic fetching of strings was causing problems with Oracle 9i in some instances and databases using a different character set other than US ASCII 3) Fixed bug where segfault would occur if the '/' character preceded the '@' character in a connect string 4) Added two new cursor methods var() and arrayvar() in order to eliminate the need for setinputsizes() when defining PL/SQL arrays and as a generic method of acquiring bind variables directly when needed 5) Fixed support for binding cursors and added support for fetching cursors (these are known as ref cursors in PL/SQL) 6) Eliminated discrepancy between the array size used internally and the array size specified by the interface user; this was done earlier to avoid bus errors on 64-bit platforms but another way has been found to get around that issue and a number of people were getting confused because of the discrepancy 7) Added support for the attribute "connection" on cursors, an optional DB API extension 8) Added support for passing a dictionary as the second parameter for the cursor.execute() method in order to comply with the DB API more closely; the method of passing parameters with keyword arguments is still supported and is in fact preferred 9) Added support for the attribute "statement" on cursors which is a reference to the last SQL statement prepared or executed 10) Added support for passing any sequence to callproc() rather than just lists as before 11) Fixed bug where segfault would occur if the array size was changed after the cursor was executed but before it was fetched 12) Ignore array size when performing executemany() and use the length of the list of arguments instead 13) Rollback when connection is closed or destroyed to follow DB API rather than use the Oracle default (which is commit) 14) Added check for array size too large causing an integer overflow 15) Added support for iterators for Python 2.2 and above 16) Added test suite based on PyUnitTest 17) Added documentation in HTML format similar to the documentation for the core Python library -- Anthony Tuininga anthony(a)computronix.com Computronix Distinctive Software. Real People. Suite 200, 10216 - 124 Street NW Edmonton, AB, Canada T5N 4A3 Phone: (780) 454-3700 Fax: (780) 454-3838 http://www.computronix.com

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Python-announce-list March 2003