Python-announce-list April 2002

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ANN: SalStat statistics package 0.1.3
by Alan James Salmoni 30 Apr '02

30 Apr '02

Hello Pythonista's, Just a short note to announce the 0.1.3 of SalStat, a relatively new package for scientific statistical analysis written entirely in Python and wxPython. It aims to be a little like SPSS or Statview, but has been written with the "nervous" user in mind (people not comfortable with statistics or computers) as I have taught SPSS to undergrads and seen their problems. The main website is at http://salstat.sunsite.dk and source code is available from http://salstat.sunsite.dk/downloads.html. For the curious, screenshots are at http://salstat.sunsite.dk/screenshots.html. All code is released under the GNU GPL, and there is a mailing list at sourceforge for anyone interested. This release consolidates previous releases - a number of tests have been added (such as the Point Biserial Correlation, Linear Regression and single factor between subjects anova), the GUI has been improved, and the output of the analysis (in html) is better formatted (with the anova output as a nice table). SalStat currently runs on Linux and Windows, and (if the author can get his greasy paws on a nice new Mac) OSX possibly depending upon the status of the OSX port of wxPython. Way to go guys! Alan james Salmoni Lead Developer - SalStat.

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[ANN] Puffin 0.8.8 Released -- Web App Regression Testing Just Got Easier
by A. Keyton Weissinger 29 Apr '02

29 Apr '02

** PUFFIN 0.8.8 RELEASE! ** It's my distinct pleasure to announce the release of the 0.8.8 release of the Puffin web application testing framework! This is the most powerful, easiest to use puffin release YET! --------------------------------------------------------------------- Highlights: - MUCH EASIER TO USE. - NEW DEMO APPLICATION, CONFIG FILE AND TEST PLANS INCLUDED. - BETTER HTTP RESPONSE ANALYZERS. - MORE POWERFUL INPUT TOKEN PROCESSORS. - MORE FLEXIBLE OUTPUT TOKEN PROCESSORS. - MANY DOCUMENTATION IMPROVEMENTS. - ASSORTED BUGFIXES. --------------------------------------------------------------------- Details: - (MUCH EASIER TO USE) In response to LOADS of rigorous testing, user feedback and code refactoring centered on ease-of-use, Puffin has been significantly simplified in terms of configuration and test plan construction. - (NEW DEMO APPLICATION, CONFIG FILE AND TEST PLANS INCLUDED) With this release is included a Perl CGI demo application with affiliated sample configuration and test plan files of various types. You can play with these files in building your understanding of Puffin and can extend them when it comes time to build tests for your web application. [Thank you, Ernie Hershey!!!] - (BETTER HTTP RESPONSE ANALYZERS) More powerful test action response analyzers. In previous releases of Puffin, the focus was on providing response analyzers for Puffin to execute against ALL test actions in your test plan. In this release, the focus is more on providing more customizable response analyzers to allow for more robust testing of specific, dynamic test actions. This makes Puffin even more useful for involved test actions in more complex web applications. - (MORE POWERFUL INPUT TOKEN PROCESSORS) There are now two new input processors which allow for retrieval of the next item in a list (where list items are specified either through list item parameters or through the name of a token containing a list object). - (MORE FLEXIBLE OUTPUT TOKEN PROCESSORS) More flexible output processors allow you to extract very complex information from your test actions' responses (easier regular expression processing, for example). - (MANY DOCUMENTATION IMPROVEMENTS) The documentation has been updated to reflect the many framework changes to the puffin system. All examples now reflect code from the demo application. The setup of the demo application has been added to the Getting Started guide. Finally, I cleaned up the nasty Word generated HTML and removed the RTF versions of the documentation. - (ASSORTED BUGFIXES) Several places in the code docs and user's guide referred to PUT when I meant POST. This [INCREDIBLY STUPID] error has been fixed. There were problems with sending both a querystring and a posted value. This has been resolved. There were several issues with logging that have been resolved. --------------------------------------------------------------------- What is Puffin? Puffin allows you to test any web application or service. Once customized to your web application, you can use Puffin to unit test individual web pages, system test your entire web application, or load test your entire site. Now in its third public release, this web application testing framework is even more flexible and robust than before. Have a complex web application that needs to be rigorously tested? Puffin is the answer! --------------------------------------------------------------------- Why 0.8.8? As you will see when you start using it, this version is a huge evolution over what was there in 0.8.5. However, to be fair, most of the changes in this release are features that should've been there all along, so I only moved the release number 0.0.3 points! ;-) Check out Puffin TODAY at http://puffin.sourceforge.net Keyton Weissinger keyton(a)weissinger.org ---------------------------------------------------------------------

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VanPyz meeting: May 7th
by Andy McKay 29 Apr '02

29 Apr '02

Come and join what will likely be a lively debate as XML and Python guru Paul Prescod will be giving us his opinions on using different Web Services with Python. "Web Services in Python: SOAP, XML-RPC and Alternatives"... Date: Tuesday, April 2nd Time: 7pm Location: ActiveState, 580 Granville, Vancouver, BC (http://www.activestate.com/Contact/) VanPyZ is the Vancouver Python and Zope users group. We meet every month to discuss Python, Zope and other stuff. Mailing list: http://lists.zpug.org/mailman/listinfo/vanpyz Web site: http://vanpyz.agmweb.ca -- Andy McKay

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Python Web Frameworks Overview
by paul＠boddie.net 29 Apr '02

29 Apr '02

The Python Web Frameworks Overview attempts to provide a subjective comparison, analysis and overview of the major (or most recent or active) Python Web frameworks including Zope, Webware, SkunkWeb and jonpy, with Twisted, Quixote and Albatross to be included soon. The objective is that information on each framework will become more detailed over time - contributions and feedback are very welcome! Although the intention is that the Python Web Frameworks Overview will surpass the previously well-known Python Web Modules Overview in terms of quality of information, the latter document has been revised to include all packages which are less popular, less frequently updated (even abandoned) or less fashionable (even obsolete) in the original summary tables. Please note the URL, changing those bookmarks and references to the Python Web Modules Overview to the following: http://www.boddie.org.uk/python/web_frameworks.html Finally, it is not the intention that this document will summarise every single Python Web-related module in existence. For this purpose, please remember to use the Vaults of Parnassus to register your projects! (See the Python home page - http://www.python.org - for details.) -- Paul Boddie http://www.boddie.org.uk/paul/

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ANN: Numarray-0.3.3
by Todd Miller 29 Apr '02

29 Apr '02

Numarray 0.3.3 --------------------------------- Numarray is an array processing package designed to efficiently manipulate large multi-dimensional arrays. Numarray is modelled after Numeric and features c-code generated from python template scripts, the capacity to operate directly on arrays in files, and improved type promotions. Numarray-0.3.3 features improved support for arrays of complex numbers, re-implementing complex types using generated code. In addition to being faster, the new complex ufuncs are better integrated with the numarray type system, so operations between numarrays and complex scalars now work properly. This release also fixes a problem experienced by RedHat Linux users installing numarray from source. WHERE ----------- Numarray-0.3.3 windows executable installers and source code tar ball is here: http://sourceforge.net/project/showfiles.php?group_id=1369 Numarray is hosted by Source Forge in the same project which hosts Numeric: http://sourceforge.net/projects/numpy/ The web page for Numarray information is at: http://stsdas.stsci.edu/numarray/index.html Trackers for Numarray Bugs, Feature Requests, Support, and Patches are at the Source Forge project for NumPy at: http://sourceforge.net/tracker/?group_id=1369 REQUIREMENTS -------------------------- numarray-0.3.3 requires Python 2.0 or greater. AUTHORS, LICENSE ------------------------------ Numarray was written by Perry Greenfield, Rick White, Todd Miller, JC Hsu, Paul Barrett, Phil Hodge at the Space Telescope Science Institute. Thanks go to Jochen Kupper of the University of North Carolina for his work on Numarray and for porting the Numarray manual to TeX format. Numarray is made available under a BSD-style License. See LICENSE.txt in the source distribution for details. -- Todd Miller jmiller(a)stsci.edu

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ANN: pylize 1.0b: online presentation generation tool
by Christopher Arndt 29 Apr '02

29 Apr '02

WHAT IS IT?: pylize is a Python script that generates a set of HTML files that make up an on-screen presentation from a master file. The HTML files can be viewed with any CSS-aware browser. The master file contains the text for all the slides and some additional information like title, author etc. pylize can also create a template master file for you. PREREQUISITES: Python >= 2.0 HTMLgen PIL (optional) FEATURES: * generate a template master document * create a set of HTML slides from the master document * automatic creation of the table of contents * a nice CSS driven slide layout, including logo, navigation links, progress-bar etc. * easy changing of layout through templates * all information for a presentation in one master file, but configurable through a per-user options file * fully localized HOMEPAGE/DOWNLOAD/DEMO: <http://www.chrisarndt.de/software/pylize/> NOTES: This is the first public release. I have tried to write the script as portable as possible, but I have currently no access to a Windows or MAC OS environment. That's why this is a beta release. I would like to ask interested individuals to get and try the software on different platforms and inform me of any problems. Any other feedback is also always welcome! AUTHOR: Christopher Arndt <chris.arndt(a)web.de> CREDITS: pylize is a Python-clone of: PLies <http://www.rot13.org/~dpavlin/presentations/XLSies_to_PLies/> by Dobrica Pavlinusic <dpavlin(a)rot13.org> which is in turn inspired by: XLies <http://lempinen.net/sami/xslies/> by Sami Lempinen and: W3C SlideMaker <http://www.w3.org/Talks/slidemaker/YYMMsub/> by Stephan Montigaud, Pierre Fillault <webreq(a)w3.org> and Masayasu Ishikawa <mimasa(a)w3.org> -- ... cause we all have wings, but some of us don't know why! (INXS) Christopher Arndt [t] +49 173-9542751 system administration [w] www.chrisarndt.de & linux training [e] chris.arndt(a)web.de

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ClientCookie 0.03b released
by John J. Lee 28 Apr '02

28 Apr '02

ClientCookie 0.03b http://wwwsearch.sourceforge.net/ClientCookie Changes since 0.02a * The download URL is correct! * Interface is stable. * Has now been used in anger, by me. * Fixed _ClientCookie._host function (now works with proxies). * Fixed HTTPHandler, etc. * Work-around for netscape cookies with bad paths. * Automatic redirections (with urllib2) now work (for netscape cookies only). * Handling of RFC2965 cookies is currently turned off during automatic redirections, until I figure out exactly which cookies should be blocked. * Included fixed version of HTTPRedirectHandler: does GET instead of POST during redirects, as required by RFC1945 (bug #549151 on SF). * str2time function is now importable directly from ClientCookie. ClientCookie is a Python module for handling cookies on the client side, useful for accessing web sites that require cookies to be set, and returned later. It is a port of Gisle Aas' Perl module HTTP::Cookies, from the libwww-perl library. Both RFC2965 and Netscape cookies are supported. import ClientCookie import urllib2 request = urllib2.Request("http://www.acme.com/") # note we're using the urlopen from ClientCookie, not urllib2 result = ClientCookie.urlopen(request) # let's say this next request requires a cookie that was set in result request2 = urllib2.Request("http://www.acme.com/flying_machines.html") result2 = ClientCookie.urlopen(request2) Python 2.0 or above is required (though I may fix it to work with 1.52 eventually), and urllib2 is recommended but not required. Note that the version of urllib2 from Python 2.0 is too old: if you have Python 2.0, get the version from Python 2.1 (available from the source distribution or CVS from http://www.python.org). Distributed under the Perl Artistic License. John

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ANN: wxPython Mac on OS X preview
by Kevin Altis 26 Apr '02

26 Apr '02

There are disk images (binary installers) of MachoPython 2.2.1 and the wxMacPython 2.3.3 preview build available for OS X at: http://sourceforge.net/project/showfiles.php?group_id=10718&release_id=56880 This software should be considered beta quality. It is not the final wxPython Mac 2.3.3 release. MachoPython 2.2.1 is required to use wxPython Mac. I made an announcement on my blog, but forgot to post to c.l.py. http://radio.weblogs.com/0102677/2002/04/24.html#a49 The most recent information is available on the wxPython-mac mailing list http://lists.wxwindows.org/mailman/listinfo/wxpython-mac If you want to help with the project or just join in the fun please subscribe. Bug fixes and new binaries should be appearing frequently as a lot of testing and work is being done on wxMac (the C++ wxWindows sources) and wxPython Mac right now. Frank Vercruesse has provided some instructions for building from cvs. http://lists.wxwindows.org/pipermail/wxpython-mac/2002-April/000227.html Finally, as might be expected, I'm pretty excited about this because it means PythonCard works on OS X. More info on that topic is available on the pythoncard-users mailing list http://lists.sourceforge.net/lists/listinfo/pythoncard-users and the wiki page http://wiki.wxpython.org/index.cgi/PythonCardOnMac ka --- Kevin Altis altis(a)semi-retired.com

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ANN: Pyrex 0.1.2
by Greg Ewing 26 Apr '02

26 Apr '02

I've fixed a few more bugs and made a new version of Pyrex available: http://www.cosc.canterbury.ac.nz/~greg/python/Pyrex/ Synopsis: Pyrex is a new language for writing Python extension modules. It lets you write code that freely mixes operations on C and Python data, with all Python reference counting and error checking handled automatically. -- Greg Ewing, Computer Science Dept, University of Canterbury, Christchurch, New Zealand To get my email address, please visit my web page: http://www.cosc.canterbury.ac.nz/~greg

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ANN: disipyl plotting library - version 0.7
by Paul Magwene 25 Apr '02

25 Apr '02

DESCRIPTION: ----------- disipyl is an object-oriented wrapper around the DISLIN plotting library. DISLIN is a powerful and flexible multiplatform (Win32, Unix, Linux, etc.) library designed for displaying scientific data. DISLIN's author, Helmut Michels, has made available a DISLIN plotting extension for the Python programming language (see http://www.linmpi.mpg.de/dislin/ for more details). disipyl provides a set of classes which represent various aspects of DISLIN plots, as well as providing some easy to use classes for creating commonly used plot formats (e.g. scatter plots, histograms, 3-D surface plots). A major goal in designing the library was to facilitate interactive data exploration and plot creation. Documentation, a tutorial, and a demo program are included. The library has been tested on Win32, Linux, and FreeBSD, but I anticipate that it should work on any platform which can make use of Python, NumPy, and the DISLIN python extensions. Feedback, comments, and critique are gladly accepted (email: paul.magwene(a)yale.edu). VERSION: ------- This is release 0.7 of disipyl. CHANGES: ------- New in this release: * Include a wxPython demo based on an example submitted by Les Schaffer * Added support for generating PNG and PDF versions of plots as string buffers (useful for serving images to web pages) * Fixed a bug in Text class * Fixed bug in FunctionPlot class * Modified the format of the INFOMODULE option to take both a module name and a class name * Implemented "mylabels" options for Axis, as submitted by Reggie Duggard * updated optioninfo documentation URL: ---- You can find disipyl at: http://pantheon.yale.edu/~pmm34/disipyl.html

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Python-announce-list April 2002