Python-announce-list January 2000

python-announce-list@python.org

37 participants
51 discussions

by bwarsaw＠python.org

Greetings from the Python conference! I'm pleased to announce the release of JPython 1.1 final, the 100% Pure Java implementation of the Python language. Below is a summary of recent changes. See http://www.jpython.org/NEWS for more details on what's changed. For more information on JPython in general and for links to the downloads, please see http://www.jpython.org/ Enjoy, -Barry -------------------- snip snip -------------------- 26-Jan-2000 JPython 1.1 final released - Only one small CPython compatibility patch to os.mkdir() and os.makedirs() -- optional `mode' argument, which is ignored. 21-Jan-2000 JPython 1.1 release candidate 1 released New JPython features and bug fixes - Race conditions when creating multiple PythonInterpreter objects in an embedded multithreaded Java application have been fixed. - Recursive print of a module's namespace no longer overflows the JVM stack. - Fixed backslashing of quotes inside triple quoted strings (Finn Bock). - Fixes to read(int) method on file objects, which used to return the empty string before EOF was seen. - Class-based exceptions are used in frozen (jpythonc) modules. - Duplicate argument names in a function definition raise the appropriate SyntaxError. - os.path.getsize() has been added. - mutability of tuples under some situations has been fixed. - dictionary insertion order affecting dictionary equality has been fixed (Finn Bock). - Using the --package option with jpythonc has been fixed. Improved CPython 1.5.2 compatibility - optional sizehint argument implemented for readlines() method on file objects. - Better compatibility in %g formatting of floats. - sys.stdout.softspace is now writeable. - re.VERBOSE/re.X flags are implemented. - traceback object's reprs are CPython conformant. - In module os, os.error is equivalent to the builtin OSError. Also, listdir(), mkdir(), makedirs(), remove(), rename(), and rmdir() raise OSError directly. - os.stat() raises an OSError if the file is missing. <A HREF="http://www.jpython.org">JPython 1.1 final</A> - a 100% Pure Java implementation of the Python language. (26-Jan-2000) -- ----------- comp.lang.python.announce (moderated) ---------- Article Submission Address: python-announce(a)python.org Python Language Home Page: http://www.python.org/ Python Quick Help Index: http://www.python.org/Help.html ------------------------------------------------------------

21 years, 2 months

f2py 1.116: The Fortran to Python Interface Generator

by Pearu Peterson

I am pleased to announce the first public release of f2py 1.116: Writing Python C/API wrappers for Fortran routines can be a very tedious task, especially if a Fortran routine takes more than 20 arguments but only few of them are relevant for the problems that they solve. The Fortran to Python Interface Generator, or FPIG for short, is a command line tool (f2py) for generating Python C/API modules for wrapping Fortran 77 routines, accessing common blocks from Python, and calling Python functions from Fortran (call-backs). The tool can be downloaded from http://cens.ioc.ee/projects/f2py2e/ where you can find also information about f2py features and its User's Guide. f2py is released under the LGPL license. With regards, Pearu Peterson <pearu(a)ioc.ee> <A HREF="http://cens.ioc.ee/projects/f2py2e/">f2py 1.116</A> - The Fortran to Python Interface Generator. (25-Jan-2000) -- ----------- comp.lang.python.announce (moderated) ---------- Article Submission Address: python-announce(a)python.org Python Language Home Page: http://www.python.org/ Python Quick Help Index: http://www.python.org/Help.html ------------------------------------------------------------

21 years, 2 months

web2ldap.py 0.6.6: WWW gateway for accessing LDAP servers

by Michael Ströder

HI! I would like to announce a new version of web2ldap, a full-featured LDAPv2 client written in Python designed to run as a CGI-BIN under the control of a WWW server. It's available for free (GPL) from http://www.web2ldap.de/ There's a demo running on: http://sites.inka.de/ms/cgi-bin/web2ldap.py I would like to encourage people to give feedback about the usability of this program. Ciao, Michael. Changes since 0.6.5: - You might have guessed it: Bug hunting and code cleaning! - Better support and example for CSS Changes since 0.6.4: - Implemented modrdn. - Omnipresent button bar throughout the whole UI now (including error messages). - Direct input of LDIF data possible during adding or modifying entries (e.g. for binary data). - Display attributes of entry according to the schema categories (required, allowed, not matching). - Minor bugfixing and code cleaning. Finally you insert your blinky-winky HTML design: - Display entries with HTML template files depending on objectClass. - HTML clean-up to be hopefully SGML-conformant (and friendly to browsers). - Configuration parameters for complete <BODY> tag. - ID params in important HTML tags for using CSS. - Configuration parameters for string placed in <HEAD></HEAD> section (suitable for placing <STYLE> tags). <A HREF="http://www.web2ldap.de/">web2ldap 0.6.6</A> - web-based LDAP client; several enhancements. (25-Jan-2000) -- ----------- comp.lang.python.announce (moderated) ---------- Article Submission Address: python-announce(a)python.org Python Language Home Page: http://www.python.org/ Python Quick Help Index: http://www.python.org/Help.html ------------------------------------------------------------

21 years, 2 months

Zope 2.1.3 released

by Brian Lloyd

Hi all, Zope 2.1.3 has been released. This update contains fixes for a race condition that could cause Zope to hang on very high-traffic sites, two database packing bugs, and a bug that caused Zope to sometimes hang instead of shutting down when the shutdown function was accessed over a very fast network. You can get the 2.1.3 release from Zope.org: http://www.zope.org/Products/Zope/2.1.3/ Brian Lloyd brian(a)digicool.com Software Engineer 540.371.6909 Digital Creations http://www.digicool.com <A HREF="http://www.zope.org/">Zope 2.1.3</A> - a free, open source web application platform used for building high-performance, dynamic web sites; bug-fix update. (24-Jan-2000) -- ----------- comp.lang.python.announce (moderated) ---------- Article Submission Address: python-announce(a)python.org Python Language Home Page: http://www.python.org/ Python Quick Help Index: http://www.python.org/Help.html ------------------------------------------------------------

21 years, 2 months

Dr. Dobb's Python-URL! - weekly Python news and links (Jan 24)

by Cameron Laird

The 8th International Python Conference begins with much-below-freezing temperatures outside and an unprecedented growth of pre-registrants inside. Expect a *very* productive week http://www.python.org/workshops/2000-01/ Christian Tismer endows Python with continuations and co-rou- tines while trimming its stack and time weight. It's even promised for a Palm http://www.deja.com/=dnc/getdoc.xp?AN=576789536 John Grayson announces the appearance of the first book focused on Tkinter http://www.deja.com/=dnc/getdoc.xp?AN=575925861 Michael P. Reilly taxonomizes four distinct approaches to dealing with a pty http://www.deja.com/=dnc/getdoc.xp?AN=574772821 Aahz March provides an example of threading which is not only suitable for beginners but even useful for Web workers http://www.deja.com/[ST_rn=ps]/getdoc.xp?AN=570016307&fmt=text Edward Welbourne's excellent treatise on proper use of exceptions http://www.deja.com/=dnc/getdoc.xp?AN=575782124 Note Fred L. Drake's stylistic follow-up (not yet URLized) Michael Hudson and Tim Peters preach better Python through self-discipline http://www.deja.com/getdoc.xp?AN=576276046 jim kraai summarizes .ini knowledge beyond ConfigParser http://x35.deja.com/getdoc.xp?AN=576839546 Do your Python applications want to know operating system version information, which libc is in charge, how many processors are run- ning, and so on? M.-A. Lemburg provides answers http://starship.python.net/crew/lemburg/platform.py Telling testimony to Python's virtues (note the last sentence) http://www.deja.com/=dnc/getdoc.xp?AN=575774205 ======================================================================== Everything you want is probably one or two clicks away in these pages: Python.org's Python Language Website is the center of Pythonia http://www.python.org Much of Python's real work takes place on Special-Interest Group mailing lists http://www.python.org/sigs/ Python Consortium emerges as an independent nexus of activity http://www.python.org/consortium Python To-Do List anticipates some of Python's future direction http://www.python.org/cgi-bin/todo.py The Vaults of Parnassus ambitiously collects Python resources http://www.vex.net/~x/parnassus/ Python Journal is at work on its second issue http://www.pythonjournal.com Links2Go is a new semi-automated link collection; it's impressive what AI can generate http://www.links2go.com/search?search=python Archive probing trick of the trade: http://www.dejanews.com/dnquery.xp?QRY=&DBS=2&ST=PS&defaultOp=AND&LNG=ALL&f… Previous - (U)se the (R)esource, (L)uke! - messages are listed here: http://purl.org/thecliff/python/url.html or http://www.dejanews.com/dnquery.xp?QRY=~g%20comp.lang.python%20Python-URL%21 Suggestions/corrections for next week's posting are always welcome. http://www.egroups.com/list/python-url-leads/ To receive a new issue of this posting in e-mail each Monday morning, ask <claird(a)neosoft.com> to subscribe. Mention "Python-URL!". -- The Python-URL! Team-- Dr. Dobb's Journal (http://www.ddj.com) is pleased to participate in and sponsor the "Python-URL!" project. == Cameron Laird <claird(a)NeoSoft.com> Business: http://www.Phaseit.net Personal: http://starbase.neosoft.com/~claird/home.html -- ----------- comp.lang.python.announce (moderated) ---------- Article Submission Address: python-announce(a)python.org Python Language Home Page: http://www.python.org/ Python Quick Help Index: http://www.python.org/Help.html ------------------------------------------------------------

21 years, 2 months

Stackless 1.01 Homepage

by Christian Tismer

"Why should I care about this, isn't my Python fine"? If you know what Generators, Coroutines and Continuations are about and want to have them at your fingertips, this is the real thing for you. If not, how about speed? About 5 percent faster, binary compatible as a drop-in replacement for your python15.dll, unlimited recursion, why not give it a try? Just click on the installer :-) Stackless Python 1.01 with Continuations 0.6 can now be downloaded from a web page: http://www.tismer.com/research/stackless/ Fact sheet, links to documentation, source and binaries can be found there. Source and binary distribution have been split. The Windows binaries come with a Wise installer. SLP has been successfully compiled on Solaris (Thanks to Jeff Collins). It will be used on PalmIII, to solve the 4k stack problem. Version 1.01 is a small clean-up for non-Windows platforms. <A HREF="http://www.tismer.com/research/stackless/">Stackless Python 1.01 + Continuations 0.6</A> - a version of Python 1.5.2 that does not need space on the C stack, and first-class callable continuation objects for Python. (24-Jan-2000) Christian Tismer Mission Impossible 5oftware Team -- ----------- comp.lang.python.announce (moderated) ---------- Article Submission Address: python-announce(a)python.org Python Language Home Page: http://www.python.org/ Python Quick Help Index: http://www.python.org/Help.html ------------------------------------------------------------

21 years, 2 months

platform.py - Version 0.7.0

by M.-A. Lemburg

ANNOUNCING: platform.py - Version 0.7.0 A Python module providing platform information APIs. WHAT IT IS: platform.py was intially developed for the mxCGIPython project to automate the creation of file names including platform specific data for users to be able to recognize and download the appropriate Python interpreter binary for their (or their ISPs) setup. Since then the module has been extended and redesigned to provide a generic interface for querying platform information both in human readable form and for other application purposes through platform dependent special APIs. platform.py supports (at least) these setups: most Windows setups, MacOS, various Linux distributions, various Unices, OpenVMS, Java VM and DOS. WHAT'S NEW ? Version 0.7.0 is the first new version after the intial release and update cycles last year. WHERE CAN I GET IT ? Documentation is provided through doc-strings and many comments in the source code, which can be found via my Python Pages: http://www.lemburg.com/~python/ WHAT DOES IT COST ? It comes with a Python-style license, but is otherwise free for commercial and non-commercial use. WHERE CAN I GET SUPPORT ? Commercial support for all my packages, tools and other Python software will soon be available through my newly founded software company. Keep an eye open on this list for an announcement. REFERENCE: <A HREF="http://www.lemburg.com/~python/">platform.py 0.7.0</A> - generic platform information APIs. (22-Jan-2000) == Marc-Andre Lemburg ______________________________________________________________________ Business: http://www.lemburg.com/ Python Pages: http://www.lemburg.com/python/ -- ----------- comp.lang.python.announce (moderated) ---------- Article Submission Address: python-announce(a)python.org Python Language Home Page: http://www.python.org/ Python Quick Help Index: http://www.python.org/Help.html ------------------------------------------------------------

21 years, 2 months

Python Conference weather

by Guido van Rossum

If you're traveling to the Python Conference, be advised that winter has finally arrived in the Washington, DC area. We're currently experiencing *high* temperatures of 22 degrees F (-6 degrees C); with the wind chill it will feel much colder. So be sure to pack warm clothes. Yesterday, about 6 inches of snow fell, disrupting air travel; more is expected on Sunday, so expect delays flying into DC. Local transportation should be fully operational, but may experience some delays. We've placed a weather advisory in the local section of the conference website: http://www.python.org/workshops/2000-01/local.html Over 250 people have registered for the conference. See you all there! --Guido van Rossum (home page: http://www.python.org/~guido/) -- ----------- comp.lang.python.announce (moderated) ---------- Article Submission Address: python-announce(a)python.org Python Language Home Page: http://www.python.org/ Python Quick Help Index: http://www.python.org/Help.html ------------------------------------------------------------

21 years, 2 months

Stackless Python 1.0 + Continuations 0.6

by Christian Tismer

ANNOUNCING: Stackless Python 1.0 A Python Implementation That Does Not Use The C Stack * plus the real toy * Continuation Module 0.6 Continuations as First Class Objects What is it? A plugin-replacement for core Python. It should run any program which runs under Python 1.5.2 . But it does not need space on the C stack. Why did I write it? Stackless Python was never written before (afaik), since it was said to be impossible without major rewrites of core Python. I have proven the controverse: It is easy to write, just hard to think. About 3 times harder was finally the continuation module. The whole project took about 6 man months where 80 percent of the time was thinking and trying. The rest was coding and to become a reference counting champion :-) Recent changes: Version 1.0 has been optimized like hell and is now 3-5 percent faster than Standard Python. Continuation module is in version 0.6, very stable, and it allows to save a program's "future" at any time, in a portable way. Continuations are callable Python objects with a very small footprint. Who needs it? Since the continuations are done, this is no more only useful for C programmers who want to try certain new ideas. Everybody who is interested to develop his own generators, coroutines and tiny threads is invited to check it out. Status of the final 1.0: Pystone works correctly and is 5% faster than standard Python. Version 0.3 was 10 percent slower. Continuations work with PythonWin and Idle. The overall result is now better than expected, and I'm happy to call this *FINAL* (until the next version of course:) Downloadable files can be found at http://www.tismer.com/research/stackless/ Some older documentation: http://www.tismer.com/research/stackless/stackless.htm Some better documentation can be found in my IPC8 paper: http://www.tismer.com/research/stackless/spc_final.zip or be read directly as HTML http://www.tismer.com/research/stackless/spcpaper.htm Source code and a VC++6.0 build for Windows (340K): http://www.tismer.com/research/stackless/spc_win32.zip cheers - chris == Christian Tismer :^) <mailto:tismer@appliedbiometrics.com> Applied Biometrics GmbH : Have a break! Take a ride on Python's Kaiserin-Augusta-Allee 101 : *Starship* http://starship.python.net 10553 Berlin : PGP key -> http://wwwkeys.pgp.net PGP Fingerprint E182 71C7 1A9D 66E9 9D15 D3CC D4D7 93E2 1FAE F6DF we're tired of banana software - shipped green, ripens at home <A HREF="http://www.tismer.com/research/stackless/">Stackless Python 1.0 + Continuations 0.6</A> - a version of Python 1.5.2 that does not need space on the C stack, and first-class callable continuation objects for Python. (20-Jan-2000) -- ----------- comp.lang.python.announce (moderated) ---------- Article Submission Address: python-announce(a)python.org Python Language Home Page: http://www.python.org/ Python Quick Help Index: http://www.python.org/Help.html ------------------------------------------------------------

21 years, 2 months

Python training in Boulder

by Mark Lutz

I'm pleased to announce an upcoming Python training session, to be held in Boulder, Colorado, February 15-17. This class is open to individuals, and will be filled on a first-come first-served basis. Come learn about an exciting object-oriented scripting language, and enjoy the beautiful Rocky Mountain region during your stay. More information can be found at this page: http://rmi.net/~lutz/boulder-classes.html I am the instructor for this class, but all administrative support is being provided by Tom Christiansen's training organization. A second session is tentatively set for May. --Mark Lutz -- ----------- comp.lang.python.announce (moderated) ---------- Article Submission Address: python-announce(a)python.org Python Language Home Page: http://www.python.org/ Python Quick Help Index: http://www.python.org/Help.html ------------------------------------------------------------

21 years, 2 months

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Python-announce-list January 2000