Python-announce-list April 2004

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81 discussions

[ANNOUNCE] gmpy 1.0 alpha released
by Alex Martelli 12 Nov '05

12 Nov '05

See http://gmpy.sourceforge.net/ for details. What is it: a wrapper for the GMP library, to provide multi-precision arithmetic for Python. Multi-precision floats, and unbounded-precision rationals, are not present in stock Python; multi-precision integers ('long') are, but gmpy's version of multi-precision integers is faster for some operations (NOT all -- used to be, but Python 2.3 did serious enhancements to some operations on longs) and provides lots of nifty pre-packaged additional functions. Minor changes and bug-fixes since the latest 0.9 pre-alpha; support for Python 2.3. The Windows binary release is now for Python 2.3 _only_ (if you're stuck with Python 2.2 on Windows, you can keep using gmpy 0.9 pre-alpha and not really suffer from that). Known bug on Windows: the scan0 and scan1 functions appear broken (perhaps related to the lack of a GMP 4.0 library for Windows -- haven't found one around yet). Alex

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Updated Cygwin Package: python-2.3.3-2
by Jason Tishler 30 Apr '04

30 Apr '04

New News: === ==== I have updated the version of Python to 2.3.3-2. The tarballs should be available on a Cygwin mirror near you shortly. The following are the notable changes since the previous release: o all known 64-bit I/O issues are resolved o Berkeley DB module is built against Berkeley DB 4.2 Old News: === ==== Python is an interpreted, interactive, object-oriented programming language. If interested, see the Python web site for more details: http://www.python.org/ Please read the README file: /usr/share/doc/Cygwin/python-2.3.3.README since it covers requirements, installation, known issues, etc. To update your installation, click on the "Install Cygwin now" link on the http://cygwin.com/ web page. This downloads setup.exe to your system. Then, run setup and answer all of the questions. Note that we have recently stopped downloads from sources.redhat.com (aka cygwin.com) due to bandwidth limitations. This means that you will need to find a mirror which has this update. In the US, ftp://mirrors.rcn.net/mirrors/sources.redhat.com/cygwin/ is a reliable high bandwidth connection. In Germany, ftp://ftp.uni-erlangen.de/pub/pc/gnuwin32/cygwin/mirrors/cygnus/ is usually pretty good. In the UK, http://programming.ccp14.ac.uk/ftp-mirror/programming/cygwin/pub/cygwin/ is usually up-to-date within 48 hours. If one of the above doesn't have the latest version of this package then you can either wait for the site to be updated or find another mirror. The setup.exe program will figure out what needs to be updated on your system and will install newer packages automatically. If you have questions or comments, please send them to the Cygwin mailing list at: cygwin(a)cygwin.com . I would appreciate if you would use this mailing list rather than emailing me directly. This includes ideas and comments about the setup utility or Cygwin in general. If you want to make a point or ask a question, the Cygwin mailing list is the appropriate place. *** CYGWIN-ANNOUNCE UNSUBSCRIBE INFO *** If you want to unsubscribe from the cygwin-announce mailing list, look at the "List-Unsubscribe: " tag in the email header of this message. Send email to the address specified there. It will be in the format: cygwin-announce-unsubscribe-you=yourdomain.com(a)cygwin.com Jason -- PGP/GPG Key: http://www.tishler.net/jason/pubkey.asc or key servers Fingerprint: 7A73 1405 7F2B E669 C19D 8784 1AFD E4CC ECF4 8EF6

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ATTN: Pamie 1.2a is released!!!
by calfdog＠yahoo.com 30 Apr '04

30 Apr '04

Pamie 1.2a has been released!!! http://pamie.sourceforge.net For latest news: http://pamie.sourceforge.net/news.html What is Pamie? This is a "free" open source tool written for QA Engineers or Developers as a means to simulate users exploring a web site. PAMIE can be used in a variety of ways to implement your web QC needs. It can be modified in a number of ways, such as: * Read the action file name as a command line parameter * Print start, end and run times for the script or individual actions * Read from a database or spreadsheet,log to a file or a database. * Modify the timeout length via a command line parameter. Example: Taking Pamie for a test drive: http://pamie.sourceforge.net/README.html This is still an Alpha version but very usable. Thank you R.L. Marchetti

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Python Success Stories, volume II
by Stephan Deibel 30 Apr '04

30 Apr '04

Hi, O'Reilly Associates has agreed to print a second volume of Python Success Stories and I am looking for contributors of new stories. This booklet will showcase Python in the context of a variety of successful software projects, explaining why Python was a good choice. It is used by O'Reilly as a freebie to market its own books, and it's a great way to get the word out about Python and your company or project. The first Python Success Stories booklet came out in May 2003 and can be viewed here: http://python.oreilly.com/news/python_success_stories.pdf The second printed volume is planned for release before OSCON 2004 (July), and all the stories (even those that don't fit in the book) will be distributed via O'Reilly's and several other websites. There is more information on contributing a story here: http://pythonology.org/successguide Examples of finished stories are here: http://pythonology.org/success If you need additional information, please don't hesitate to contact me. Thanks very much. Sincerely, Stephan Deibel -- Wingware Wing IDE for Python Advancing Software Development www.wingware.com

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EuroPython early bird deadline very soon!
by Martijn Faassen 29 Apr '04

29 Apr '04

EuroPython news update april 30 =============================== EuroPython early bird registration deadline is may 1, next saturday! After that you pay 60 euros more. Some cheap accomodation also still available, so if you want to attend, hurry and register now! EuroPython is the European Python and Zope Conference. This year in its third edition, we are holding the conference in the beautiful locale of Göteborg, Sweden. Hundreds of Python users and Zope users are expected. The conference is from june 7 to june 9. - The talk submission deadline has now passed. We now have an enormous selection of talks and are struggling to fit them all in the program. For the list of talks that have already been accepted (definitely not yet complete), see here: http://www.europython.org/conferences/epc2004/info/talks/acceptedTalksOverv… Many well known names in the Python community will be presenting, including keynote speaker Guido van Rossum. For those interested in Zope, look at the lineup of well-known people in the Zope community that are giving talks. It's a "can't miss" event in the Zope community! - Our keynote speakers will be Mark Shuttleworth and Guido van Rossum. Mark Shuttleworth is many things, not least what we think was the first Python programmer in space. He is also is the sponsor of the schooltool project to develop an open source school administration system in Python. More about about him can be found at http://www.markshuttleworth.com/ If you don't know who Guido van Rossum is, you really need to come to EuroPython to find out and meet him. More information can be found at http://www.europython.org. Hope to see you at EuroPython 2004!

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ANN: PyLinda 0.1
by Andrew Wilkinson 29 Apr '04

29 Apr '04

PyLinda 0.1 By Andrew Wilkinson <aw at cs dot york dot ac dot uk> Contents -------- 1. Introduction 2. Installation 3. Using Linda 4. Known Problems 5. Contact 6. License 1. Introduction --------------- Linda is an widely studied distributed computing environment, centered around the notion of a tuple space. A tuple space is a bag (also called a multi-set) of tuples. A tuple is an ordered, typed chunk of data. Tuple spaces exist independently of processes in the system, and the data placed into a tuple space also exist independently. See "Generative communication in Linda" (1985) and "Multiple tuple spaces in Linda" both by David Gelernter for more information on Linda. PyLinda is a simple implementation of a linda system, however it also includes several of the more recently proposed extensions to Linda in the form of multiple tuple spaces, garbage collection, sane non-blocking primitives and bulk tuple operations. 2. Installation --------------- To install simply unpack the tarball, and execute 'python setup.py install'. PyLinda requires a Python 2.3+ and has only been tested on Linux and Solaris, however it should be possible for it to other operating systems. It may be possible for the server and some client programs to run under Windows, however since it does not support 'fork' several of the included examples will not work. 3. Using Linda -------------- First a server must be started - 'linda_server.py'. Then a client program must be started, the simplest is just the python interactive interpreter. bash$ python >>> import linda >>> linda.connect() >>> linda.universe._out((1,2,3)) Now quit that interpreter, and start a new one... bash$ python >>> import linda >>> linda.connect() >>> linda.universe._in((int, int, int)) (1, 2, 3) If you want to add a new computer to the linda network simply run 'linda_server.p -c<ip address or dns name>' where the computer you supply is already running a linda server. 4. Known Problems ----------------- * The actual implementation is quite slow. The process of storing tuples is slow and uses a large amount of memory, this could probably be fixed by rewriting that bit in C. * No support for the eval primitive. * Only built in types (and tuplespace references) can be included in tuples. This will change in the future, and is the subject of my PhD. * Documentation is very thin and could do with improving. People with some knowlege of Linda should not have a problem using PyLinda however. 5. Contact ---------- All the latest news and information about PyLinda can be found at http://www-users.cs.york.ac.uk/~aw/pylinda. Comments, suggestions and bug reports are all welcome at aw at cs dot york dot ac dot uk 6. License ---------- For full details of the license see the file LICENSE. Copyright 2004 Andrew Wilkinson <aw(a)cs.york.ac.uk>. This file is part of PyLinda (http://www-users.cs.york.ac.uk/~aw/pylinda) PyLinda is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. PyLinda is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with PyLinda; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

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ANN: Pyrex 0.9.1
by greg 29 Apr '04

29 Apr '04

Pyrex 0.9.1 is now available: http://www.cosc.canterbury.ac.nz/~greg/python/Pyrex/ Enhancements: * Calling of inherited C methods * Python class __modname__ is set properly * Test suite available for download Plus numerous bug fixes -- see CHANGES.txt in the distribution or on the web page for details. 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.

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ANNOUCE: Thirteenth release of PythonCAD now available
by Art Haas 28 Apr '04

28 Apr '04

I'd like to announce the thirteenth development release of PythonCAD, a CAD package for open-source software users. As the name implies, PythonCAD is written entirely in Python. The goal of this project is to create a fully scriptable drafting program that will match and eventually exceed features found in commercial CAD software. PythonCAD is released under the GNU Public License (GPL). PythonCAD requires Python 2.2 or Python 2.3. The interface is GTK 2.0 based, and uses the PyGTK module for interfacing to GTK. The design of PythonCAD is built around the idea of separating the interface from the back end as much as possible. By doing this, it is hoped that both GNOME and KDE interfaces can be added to PythonCAD through usage of the appropriate Python module. Addition of other interfaces will depend on the availability of a Python module for that particular interface and developer interest and action. The thirteenth release of PythonCAD is the first release to offer undo/redo abilities. The undo/redo work is in its initial stage, and upcoming releases will enhance the robustness of the code. The long term goal with undo/redo work is to make both as unlimited as possible, but for the first release the functionality works best if only the last action is undone or redone. Undoing and redoing multiple operations works in certain cases, but not not in others. Development efforts for the next release will concentrate on enhancing the undo/redo abilities of the program. This release also has the ability to save the current background and foreground colors, and offers the user the ability to specify the color for boxes drawn around points. As for code cleanups, a number of deprecated methods have been removed, and several existing methods are now deprecated. An assortment of bug fixes and code improvements have been added as well. The mailing list for the development and use of PythonCAD is available. Visit the following page for information about subscribing and viewing the mailing list archive: http://mail.python.org/mailman/listinfo/pythoncad Visit the PythonCAD web site for more information about what PythonCAD does and aims to be: http://www.pythoncad.org/ Come and join me in developing PythonCAD into a world class drafting program, and Happy New Year to everyone! Art Haas -- Man once surrendering his reason, has no remaining guard against absurdities the most monstrous, and like a ship without rudder, is the sport of every wind. -Thomas Jefferson to James Smith, 1822

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CherryPy-0.10 released
by remi＠cherrypy.org 28 Apr '04

28 Apr '04

Hello everyone, I am pleased to announce the release of CherryPy-10. It's been a while since I last announced a CherryPy release on this newsgroup but a lot has happened since then: - The cherrypy.org site now has a nice forum and a wiki - Sessions are now fully thread-safe and they work great in production environments with the thread-pool HTTP-server - Jython compatibility has been restored - Lots of new HowTos have been added to the documentation, including one HowTo about best practices for deploying a demanding production website. - Plus many bugfixes and improvements ... ------------------------------------------ About CherryPy: CherryPy is a Python based web development toolkit. It provides all the features of an enterprise-class application server while remaining light, fast and easy to learn. CherryPy allows developers to build web applications in much the same way they would build any other object-oriented Python program. This usually results in smaller source code developed in less time. Remi. http://www.cherrypy.org

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[ANN] 'tconfpy' 1.184 Released
by Tim Daneliuk 28 Apr '04

28 Apr '04

'tconfpy' 1.184 is released and available at: http://www.tundraware.com/Software/tconfpy/ The last public release was 1.181 on 4/24/2004 (Sorry for two announcements in three days, but, a last minute feature snuck in. Barring bugs, this should be it for a while ...) ----------------------------------------------------------------------- This version implements "Variable Templates" which have all manner of interesting applications, not the least of which is using 'tconfpy' as a component for building data validation tools. This version also provides a new API option, 'ReturnPredefs' which allows the programmer request that the parser not return internal "predefined" variables in the final symbol table. ----------------------------------------------------------------------- 'tconfpy' is an advanced configuration file parser and validator for Python programs. By using 'tconfpy', Python programmers can provide their users with an external configuration file for setting program options, defining defaults, and so on. 'tconfpy' offloads the responsibility for parsing and validating a configuration file from the main application. The Python programmer need only deal with the results and any errors or warnings generated during the parsing process. 'tconfpy' recognizes a rich configuration language and provides a number of sophisticated programming features including: - The ability to breakup large configurations into smaller pieces via the '.include' directive. - Support for string substitution and concatenation throughout the configuration file via string variables. Variables may be locally declared, a reference to a symbol already in the symbol table, or a reference to an environment variable. - A complete set of conditional directives for selective processing of configuration options. Both existential ("If variable exists ...") and comparison ("if string equals/does not equal string ...") forms are provided, as is an '.else' directive. - The ability to instantiate program options prior to reading a configuration file and make them mandatory by declaring those options as Read-Only. - Optional type validation to ensure that a user enters a value appropriate for boolean, integer, floating point, string, or complex data. - Optional value validation to ensure that a configuration option is either within a specified range or one of an enumerated set of possible values. For configuration options which are string types, 'tconfpy', can optionally specify min/max string lengths and enumerate a set of legitimate regular expressions that the string must match. - The ability to define an arbitrary number of lexical namespaces. - The ability to use the various features of 'tconfpy' as a pre- processor for any other text (including source code for other programming languages and Python itself) via the '.literal' directive. - The ability to "template" classes of variables, thereby predefining the type and value restrictions for such variables. This makes 'tconfpy' useful as a building block for data validation tools. - An optional debug capability which returns detailed information about each line parsed. - Includes a test driver program for learning how to program with 'tconfpy' and for debugging and testing your own configuration files. - Comes with approximately 40 pages of documentation including a Programmer's API Reference and a User's Guide to the 'tconfpy' configuration language. Documentation is provided in several formats including Unix 'man', Plain Text, html, pdf, and Postscript. 'tconfpy' is a Pure Python module and is platform-independent. It should work identically on any platform on which Python runs. -- ---------------------------------------------------------------------------- Tim Daneliuk tundra(a)tundraware.com PGP Key: http://www.tundraware.com/PGP/

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Python-announce-list April 2004