Mailman 3 November 2002 - Python-announce-list

ANN: BayPIGgies mtg Wed 11/13 7:30pm
by Wesley Chun 12 Nov '02

12 Nov '02

BayPIGgies: Silicon Valley-San Francisco Bay Area Python Users Group When: November 13, 2002 @ 7:30pm Where: Stanford University, Palo Alto, CA Agenda: Editing Digital Video using Linux and Python Speaker: Drew Perttula I want to edit digital video in a unix way. That means I want an open-source suite of non-monolithic, flexible tools and transparent data formats that I can use with all my other unix tools. I won't stand for any segfaults or other data-losing behavior. And most of all, I need it by yesterday. Development started mid-September, and by late October I was transcribing and logging captured DV footage into my xml format. Soon after that, the timeline-style editor was running, and we were dragging thumbnails from footage index pages (in html displayed in Mozilla) right into the timeline. There's even the beginning of an effects plugin system, which I currently use to handle the mixing of audio tracks. At November's meeting, I'll be demoing the editor itself and discussing the tools I used, the components I had to build, and where I plan to go with it next. I have a sloppy wiki site at http://bigasterisk.com/editor where I've put some screenshots, samples of the xml formats, use cases, and other notes I made during development. The wiki also gives instructions for getting all the code via anonymous CVS. The code is still very poorly packaged, so it's probably near-impossible to get the code to run anywhere else as of yet. # Upcoming Meeting: December will be another popular "Newbies Night" (see April 2002 meeting on the website) # 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 to see some of you on Wednesday! -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://deirdre.org/baypiggies wesley.j.chun :: wesc(a)deirdre.org cyberweb.consulting : henderson, nv : cyberweb(a)rocketmail.com http://www.roadkill.com/~wesc/cyberweb/

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fixedpoint 0.1.2 - minor release
by Doug Fort 11 Nov '02

11 Nov '02

FixedPoint is Tim Peters' fixed point math class. It is available on SourceForge at http://fixedpoint.sourceforge.net This is a minor release to pick up a few things that have been languishing in CVS because we haven't made any major changes. 1. Added code for compatibility with Python 2.1 (fake 'object' class, etc.) 2. Improved unit tests 3. I tested the unit tests by adding them to 'make test' in the Python 2.2.2 install. This revealed that fixedpoint.py did not pass TabNanny. I fixed that. -- Doug Fort, Programmer http://www.dougfort.net

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Middleware2003 Call for Papers
by Fabio M. Costa 11 Nov '02

11 Nov '02

<< Please accept our apologies if you receive multiple copies of this CFP >> ************************************************************* * * * Call for Papers * * * * ACM/IFIP/USENIX International Middleware Conference * * * * http://middleware2003.inf.puc-rio.br * * * * Rio de Janeiro, Brazil, 16-20 June 2003 * * * ************************************************************* OVERVIEW ======== Requirements for faster development cycles, decreased effort, greater software reuse, and better end-to-end control over system resources are motivating the creation and use of middleware and middleware-based architectures. Middleware is systems software that resides between the applications and the underlying operating systems, network protocol stacks, and hardware. Its primary role is to (1) functionally bridge the gap between application programs and the lower-level hardware and software infrastructure in order to coordinate how parts of applications are connected and how they interoperate and (2) enable and simplify the integration of components developed by multiple technology suppliers. Next-generation distributed applications and systems will increasingly be developed using middleware. This dependency poses hard RD challenges, including latency hiding, masking partial failure, information assurance and security, legacy integration, dynamic service partitioning and load balancing, and end-to-end quality of service specification and enforcement. To address these challenges, researchers and practitioners need to discover and validate techniques, patterns, and optimizations for middleware frameworks, multi-level distributed resource management, and adaptive and reflective middleware architectures. Building upon the success of past conferences in this series (Lake District/UK, Palisades/NY, and Heidelberg/Germany), the 4th International Middleware Conference will be the premier event for middleware research and technology in 2003. The scope of the conference is the design, implementation, deployment, and evaluation of distributed system platforms and architectures for future computing and communication environments. Highlights of the conference include a high-quality technical program, tutorials, invited speakers, poster presentations, and workshops, all held in one of Brazil's most outstanding areas of natural beauty. The proceedings of Middleware'2003 will be published as a volume of the Lecture Notes in Computer Science. TOPICS OF INTEREST ================== The topics of this conference include, but are not limited to: o Distributed real-time and embedded (DRE) middleware platforms o Reliable and fault-tolerant middleware platforms o Support for multimedia in middleware platforms o Novel quality of service (QoS) architectures and evaluation techniques o Event-based, publish/subscribe and asynchronous middleware platforms o Open architectures for reconfigurable middleware o Adaptive and reflective middleware o Middleware protocols and services for information assurance and security o Formal Methods applied to middleware o Management and use of component-based systems in distributed environments o Applications of middleware technologies, including telematics and e-commerce o Novel paradigms, APIs, and languages for distributed systems o Integration of middleware with model-integrated computing architectures, such as OMG MDA o Extensions and refinements to RM-ODP, CORBA, J2EE, .NET, etc. o Impact of emerging Internet technologies and standards on middleware platforms o Integration of middleware platforms with Web services and Java technologies o Distributed systems management and interactive configuration and development tools o Issues of scalability in existing and new distributed systems platforms o Engineering distributed systems in heterogeneous and mobile networks o Middleware for ubiquitous and mobile computing ORGANIZATION ============ General Chair: Carlos J.P. Lucena (PUC-Rio, Brazil) Program co-Chairs: Douglas Schmidt (UC Irvine, USA) Markus Endler (PUC-Rio, Brazil) Local Arrangements co-Chairs: Alexandre Sztajnberg (UERJ, Brazil) Renato Cerqueira (PUC-Rio, Brazil) WiP and Posters Chair: Guruduth S. Banavar (IBM T.J. Watson, USA) Advanced Workshops Chair: Gordon Blair (Lancaster University, UK) Tutorials Chair: Frank Buschmann (Siemens AG, Germany) Publicity co-Chairs: Fabio Costa (UFG, Brazil) Fabio Kon (IME-USP, Brazil) PROGRAM COMMITTEE ================= Gul Agha (UIUC, USA) Jean Bacon (Cambridge U., UK) Gordon Blair (U. of Lancaster, UK) Don Box (Microsoft, USA) Roy Campbell (UIUC, USA) Andrew Campbell (Columbia U., USA) Geoff Coulson (Lancaster U., UK) Naranker Dulay (Imperial College, UK) Svend Frolund (HP Labs, USA) Chris Gill (WUSL, USA) Andy Gokhale (Vanderbilt U., USA) Rashid Guerraoui (EPF L., Switzerland) Arno Jacobsen (U. of Toronto, Canada) Peter Honeyman (CITI U. Michigan, USA) Fabio Kon (U. of Sao Paulo, Brazil) Doug Lea (SUNY Oswego, USA) Guy LeDuc (U. of Liège, Belgium) Orlando Loques (UFF, Brazil) Joe Loyall (BBN Technologies, USA) Raimundo J.A. Macedo (UFBA, Brazil) Edmundo R. Madeira (UNICAMP, Brazil) Jan de Meer (condat AG, Germany) Klara Nahrstedt (UIUC, USA) Priya Narasimhan (Carnegie Mellon U., USA) Carlos Pereira (UFRGS, Brazil) Vijay Raghavan (DARPA, USA) Kerry Raymond (DSTC, Australia) Luis Rodrigues (U. of Lisboa, Portugal) Isabelle Rouvellou (IBM, USA) Bill Sanders (UIUC, USA) Rick Schantz (BBN Technologies, USA) Alexander Schill (Technical U. Dresden, Germany) David Sharp (The Boeing Company, USA) Jacob Slonim (Dalhousie U., Canada) Jean-Bernard Stefani (INRIA, Grenoble, France) Joe Sventek (Agilent Labs, UK) Janos Sztipanovits (Vanderbilt U., USA) Nalini Venkatasubramanian (UC Irvine, USA) Steve Vinoski (IONA Technologies, Ireland) Werner Vogels (Cornell U., USA) Martina Zitterbart (U. of Karlsruhe, Germany) SUBMISSION DEADLINES ==================== Full Papers: 22 December 2002 Tutorial Proposals: 15 January 2003 Work in Progress Papers, Workshop Papers, and Posters : 20 February 2003 MORE INFORMATION ================ For further information, please visit the conference home page: http://middleware2003.inf.puc-rio.br or, for questions regarding the conference program, contact the PC chairs, Douglas Schmidt (schmidt(a)cs.wustl.edu) or Markus Endler (endler(a)inf.puc-rio.br). For other questions contact the local arrangements chairs, Alexandre Sztajnberg (alexszt(a)uerj.br) or Renato Cerqueira (rcerq(a)inf.puc-rio.br).

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[Application] YODA distributed objectstore ver 1.1
by Vladimir Ulogov 10 Nov '02

10 Nov '02

YODA distributed objectstore ver 1.1 ------------------------------------ Distributed objectstore with Pyro and XMLRPC interfaces Version 1.1 are considered as a "base" version. This means I'd implemented most of the planned YODA functionality at this point. Respective user will get truly distributed objectstore, where the single objectstore can live on multiple instances. Each instance can replicate there objects to multiple peers. All updates are reflected in METADIRECTORY. The newly implemented "YODA interface appication" provides you transparent access to the information stored in distributed objectstore without knoweledge which physical repository holds it. If the one of repository failed and object can be found someplace else (in the replica repository), YODA will find and extract this information for you "at no extra cost". The same rule applies to the all update operations, you just set the value of the attribute and YODA will take care about the rest. Actually, it it a pretty heavy job going on in the background. YODA interface detects which repositories are alive and which is not by sending event broadcast, than it's propagate updates on the live servers. YODA interface provides two ways to access to the objectstore: - native YODA interface (which means Pyro: http://pyro.sourceforge.net) - XMLRPC. All YODA objectstore operations such as get, set, drop_attr, drop add_class, drop_class are implemented for XMLRPC. This valuable addition will allow users to create YODA clients using almost any programming language (Java, C++, C, Perl and so on. Of course, you can create XMLRPC clients using Python). This is open door to using YODA in non-pythonic environments. As minor feature, YODA now heavily depends on Pyro event service. It uses it for status broadcasting and for sending notification to the servers in the YODA network about node status. URL: http://www.python.eu.org/software/database/Yoda/index_html Download: http://sourceforge.net/project/showfiles.php?group_id=64535 License: Artistic Requires: pybsddb3, Pyro, Ysvc, Yrnd, Yio, py-xmlrpc Binaries: Linux Categories: Net Applications, Databases Vladimir Ulogov (gandalf(a)python.eu.org) http://www.python.eu.org -- <a href="http://www.python.eu.org/software/database/Yoda/index_html">YODA distributed objectstore ver 1.1</a> -- Distributed objectstore with Pyro and XMLRPC interfaces

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Sydney Australia: Python Interest Group: 18th November
by Mary 10 Nov '02

10 Nov '02

For our last act in 2002[1], the Sydney Python Interest Group presents: Andrew Bennetts: "Fun New Stuff in Python 2.2" """ Fun new stuff in Python 2.2 An introduction to new language features, including: - Iterators - Generators - Properties, classmethods and staticmethods - Type/class unification - __new__ - Metaclasses This is likely to be a bit of a whirlwind tour of those features, seeing as we don't have all day. :) """ Date: Monday November 18 Time: 7:00pm Location: University of Technology Sydney, Australia: Broadway campus, building 10, room 2.440 (computer lab, on the entrance level). -Mary [1] There will be no PIG meeting in December. ---- See our webpage: http://pig.slug.org.au/ for more details on the Sydney PIG. ---- SLUG Python Interest Group meetings are announced on: * comp.lang.python.announce and python-announce-list(a)python.org[0] * the Australasian Python users list[1] * The Sydney Linux User's Group announce list[2] [0] http://mail.python.org/mailman/listinfo/python-announce-list [1] http://starship.python.net/mailman/listinfo/python-au [2] http://lists.slug.org.au/listinfo/announce/ ---- The Sydney Python Interest Group is, while not restricted to Python on Linux, a Special Interest Group of the Sydney Linux Users Group (SLUG), and would like to thank SLUG for its support.

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TriZPUG November Meeting: Unit Testing in Python
by Tom Bryan 09 Nov '02

09 Nov '02

The Triangle Zope/Python User Group (TriZPUG) will hold its second meeting this Tuesday, November 12, at 6:00 p.m. near Raleigh/Durham, NC. We will be meeting at VERITAS Software, who has kindly permitted us to use their meeting room (directions to VERITAS below). Tom Bryan will give a talk on Unit Testing in Python, starting promptly at 6:15. Hope to see you there! Title: PyUnit and doctest: Unit Testing in Python ================================================= Want fewer bugs in your Python code? Then test it before the customer or even QA sees it! This talk will define unit testing, convince you that you should be doing it, explain Python frameworks that support testing during the development cycle, and show you how to use these frameworks. Learning to unit test your code with a standard framework will help you produce better code in less time. If you aren't testing your code during development, come learn how. If you test your code, but you don't use a framework, come learn the standard ones provided with Python. If you're already a Python unit test guru, come heckle the speaker! Directions to VERITAS: ====================== VERITAS Software, 2530 Meridian Parkway, in Research Triangle Park. The Meridian Business Park is off of Highway 55, near its intersection with Interstate 40. >From I-40, take exit 278. At the bottom of the exit, turn LEFT onto Highway 55. Turn left at the next light onto Meridian Parkway. Travel approximately one-half mile, to building 2530 on the RIGHT. Turn RIGHT, and park in the back. VERITAS is on the first floor. Go to the Blue Ridge Conference Room, located past the elevators For more about TriZPUG: ======================= Web page http://dev.zope.org/Members/tbryan/TriZPUG/FrontPage Mailing list http://starship.python.net/mailman/listinfo/triangle-zpug

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spyce v1.2.5
by Rimon Barr 09 Nov '02

09 Nov '02

Spyce v1.2.5 released on 9 Nov 2002 SPYCE is a server-side engine that supports simple and efficient Python-based dynamic HTML generation. Those who like Python and are familiar with JSP, or PHP, or ASP, should have a look at this engine. It allows one to generate dynamic HTML content just as easily, using Python for the dynamic parts. Its modular design makes it very flexible and extensible. It can also be used as a command-line utility for HTML pre-processing. Get it at: http://spyce.sourceforge.net This release includes lots of internal changes. The highlights are: - spyceAPI defined: module access to spyceWrapper object restricted - see: http://spyce.sourceforge.net/doc-mod_new.html - (in general, will be moving towards restricted execution space) - toc module improved; add level(), l1()...l9() methods - server-level debug option added to config file - see: http://spyce.sourceforge.net/doc-conf_common_debug.html - debug Spyce module deprecated - engine now supports recursive requests (include spyce from itself) - sys.stdout (and therefore print statements) made thread-safe - spyce engine supports concurrent requests - server-level concurrency option added to config file - see: http://spyce.sourceforge.net/doc-conf_common_concurrency.html - spyce webserver operates in single, forking and threading modes - server-level Spyce module caching - replaces Spyce-level module caching - caching-related code separated from wrapper - code compilation seperated from wrapper (spyce.spyceCode) - autodetect when PYTHONOPTIMIZE causes lexer/parser failure - minor fixes and performance tweaks For prior release information, view the change log at: http://cvs.sourceforge.net/cgi-bin/viewcvs.cgi/spyce/spyce/CHANGES?rev=HEAD Comments, suggestions and bug reports are appreciated. Enjoy, Rimon.

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Fwd: PyGTA next meeting will be Thursday Nov. 14
by Peter Hansen 08 Nov '02

08 Nov '02

Peter Hansen wrote: > > Ian figures we'll be able to have the next meeting in mid-November, > barring unexpected setbacks. > > He or I will post here shortly with an announcement, as soon as > something is firm. I'm happy to announce the next meeting of the recently formed Toronto Area Python/Zope User Group: PyGTA. The details of the venue are as follows: Site: 519 Church St. Community Centre Room no: TBD (signs will be posted) Address: 519 Church St., near Wellesley Date: Thurs. Nov. 14 Time: 8-10 PM There is metered parking available on Church St. and side streets. Metered parking spots are free after 9pm. The site is one block east of the Wellesley subway stop. There is a Green Spot parking lot on Wellesley, between Yonge and Church, on the south side. There are several good pubs including the Keg on Jarvis, within a block or two of the community center. Please visit our web site at http://web.engcorp.com/pygta for further details (unfortunately not updated as I write this, but I didn't want to delay the announcement any longer). I'll be posting this note shortly to the PyGTA mailing list for those who asked to be subscribed. -Ian Garmaise, Peter Hansen, PyGTA organizers

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csv module 1.0pre1 released (again)
by Dave Cole 07 Nov '02

07 Nov '02

Rather than keep you guessing... This announcement includes some URLs. WHAT IS IT: The CSV module provides a fast CSV parser which can split and join CSV records which have been produced by Microsoft products such as Access and Excel. The module is available here: http://www.object-craft.com.au/projects/csv/download/csv-1.0pre1.tar.gz The module home page is here: http://www.object-craft.com.au/projects/csv/ NOTES: The most important change for this release is that the basic quote handling has been modified to exactly match the observed behaviour of Excel. A comprehensive test suite has been added to test this observed behaviour. If the module does not conform to Excel behaviour we consider this to be a bug. The pre designation on the release is due to the slight change in quote handling. CHANGES SINCE 0.5: * Moved to standard BSD template license. * Now using distutils to create source distribution. * Parser's handling of unusual quoting styles was found to be at odds with Excel. In particular, Excel only treats the quote character as special if it appears as the first character in a field, whereas our parser honoured them anywhere. We now produce the same result as Excel - quotes within a field appear in the output. * Introduced Parser.quote_char attribute to replace the hard coded " (double quote). You can now disable quoting by setting quote_char to 0 or None. * Introduced Parser.escape_char attribute which is used to escape special characters when quote_char is specified is disabled. * Introduced Parser.strict attribute which controls whether the parser will raise an exception on malformed fields rather than attempting to guess the right behaviour. * Introduced a suite of unit tests. -- http://www.object-craft.com.au

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ANN: Pyrex 0.4.6
by Greg Ewing 07 Nov '02

07 Nov '02

Pyrex 0.4.6 is now available: http://www.cosc.canterbury.ac.nz/~greg/python/Pyrex/ There's just one bug fix in this release, to make indexing of multi-dimensional C arrays work properly. What is Pyrex? -------------- Pyrex is a new language for writing Python extension modules. It lets you freely mix operations on Python and C data, with all Python reference counting and error checking handled automatically. -- Greg Ewing, Computer Science Dept, University of Canterbury, Christchurch, New Zealand http://www.cosc.canterbury.ac.nz/~greg

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