Python-announce-list July 2004

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52 participants
73 discussions

PyNSource 1.4a - UML reverse engineering and modelling tool for Python source code
by abulka＠netspace.net.au 05 Jul '04

05 Jul '04

Announcing PyNSource 1.4a A UML reverse engineering and modelling tool for Python source code. http://www.atug.com/andypatterns/pynsource.htm PyNSource is a python code scanner and UML modelling tool that generates UML diagrams that you can layout, arrange and print out. A standalone exe release for windows users is available. PyNSource can also generate UML ASCII / text diagrams, which you can paste into your source code for documentation purposes, in conjunction with an ascii art editor (see references on web site). PyNSource can scan python source code and generate compilable Java or Delphi code, which can be subsequently imported into more sophisticated UML modelling tools. New in this release ------------------- Version 1.4a GUI changes: - Right Click on a node to delete it. - Run Layout anytime from menu. - Left click on background will deselect any selected shapes Parser changes: - Fixed indentation error causing more output than normal in text ouput - Module level functions not treated as classes any more - Smarter detection of composition relationships, as long as classname and variable name are the same (ignoring case) then PyNSource will detect e.g. class Cat: pass class A: def __init__(self, cat): self.cats.append(Cat()) # always has worked, composition detected. self.cats.append(cat) # new 1.4 feature, composition detected here too. Features -------- * Resilient: doesn't import the python files, thus will never get "stuck" when syntax is wrong. * Fast * Recognises inheritance and composition relationships * Detects the cardinality of associations e.g. one to one or 1..* etc * Optionally treat modules as classes - creating a pseudo class for each module - module variables and functions are treated as attributes and methods of a class * Has been developed using unit tests (supplied) so that you can trust it just that little bit more ;-) * Free http://www.atug.com/andypatterns/pynsource.htm

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PyNSource 1.4a - UML reverse engineering and modelling tool for Python source code
by abulka＠netspace.net.au 05 Jul '04

05 Jul '04

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Unununium OS 0.1-rc2 released
by Phil Frost 04 Jul '04

04 Jul '04

Unununium is an OS in development written primarily in Python. Currently implemented features include a fully functional Python interpreter, floppy, ATA, and ext2 drivers written entirely in Python. For a discussion of motives behind the development and planned features, see <http://unununium.org/introduction>. The most current release is available at <http://unununium.org/download#releases>. Further questions may be addressed to our development list, <mailto:uuu-devel@unununium.org>. <p><a href="http://unununium.org/">Unununium OS 0.1-rc2</A> - an operating system written in Python. (04-Jul-04)</p>

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ANN: PyGUI 1.5.1
by greg 03 Jul '04

03 Jul '04

PyGUI 1.5.1 is now available: http://www.cosc.canterbury.ac.nz/~greg/python_gui/ Bug fixes: - Menu item groups did not work. - Mac: Labels were not updated properly on changing the text property. - Mac: Setup script failed when Pyrex was not available. What is PyGUI? -------------- PyGUI is an experimental highly-Pythonic cross-platform GUI API. Implementations are currently available for MacOSX and Gtk. For a full description of the project goals, see the PyGUI web page at the address above.

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ANN: numarray-1.0 released
by Todd Miller 02 Jul '04

02 Jul '04

Release Notes for numarray-1.0 Numarray is an array processing package designed to efficiently manipulate large multi-dimensional arrays. Numarray is modeled after Numeric and features c-code generated from python template scripts, the capacity to operate directly on arrays in files, and improved type promotions. I. ENHANCEMENTS 1. User added ufuncs There's a setup.py file in numarray-1.0/Examples/ufunc which demonstrates how a numarray user can define their own universal functions of one or two parameters. Ever wanted to write your own bessel() function for use on arrays? Now you can. Your ufunc can use exactly the same machinery as add(). 2. Ports of Numeric functions A bunch of Numeric functions were ported to numarray in the new libnumeric module. To get these import from numarray.numeric. Most notable among these are put, putmask, take, argmin, and argmax. Also added were sort, argsort, concatenate, repeat and resize. These are independent ports/implementations in C done for the purpose of best Numeric compatibility and small array performance. The numarray versions, which handle additional cases, still exist and are the default in numarray proper. 3. Faster matrix multiply The setup for numarray's matrix multiply was moved into C-code. This makes it faster for small matrices. 4. The numarray "header PEP" A PEP has been started for the inclusion of numarray (and possibly Numeric) C headers into the Python core. The PEP will demonstrate how to provide optional support for arrays (the end-user may or may not have numarray installed and the extension will still work). It may also (eventually) demonstrate how to build extensions which support both numarray and Numeric. Thus, the PEP is seeking to make it possible to distribute extensions which will still compile when numarray (or either) is not present in a user's Python installation, which will work when numarry (or either) is not installed, and which will improve performance when either is installed. The PEP is now in numarray-1.0/Doc/header_pep.txt in docutils format. We want feedback and consensus before we submit to python-dev so please consider reading it and commenting. For the PEP, the C-API has been partitioned into two parts: a relatively simple Numeric compatible part and the numarray native part. This broke source and binary compatibility with numarray-0.9. See CAUTIONS below for more information. 5. Changes to the manual There are now brief sections on numarray.mlab and numarray.objects in the manual. The discussion of the C-API has been updated. II. CAUTIONS 1. The numarray-1.0 C-API is neither completely source level nor binary compatible with numarray-0.9. First, this means that some 3rd party extensions will no longer compile without errors. Second, this means that binary packages built against numarray-0.9 will fail, probably disastrously, using numarray-1.0. Don't install numarray-1.0 until you are ready to recompile or replace your extensions with numarray-1.0 binaries because 0.9 binaries will not work. In order to support the header PEP, the numarray C-API was partitioned into two parts: Numeric compatible and numarry extensions. You can use the Numeric compatible API (the PyArray_* functions) by including arrayobject.h and calling import_array() in your module init function. You can use the extended API (the NA_* functions) by including libnumarray.h and calling import_libnumarray() in your init function. Because of the partitioning, all numarray extensions must be recompiled to work with 1.0. Extensions using *both* APIs must include both files in order to compile, and must do both imports in order to run. Both APIs share a common PyArrayObject struct. 2. numarray extension writers should note that the documented use of PyArray_INCREF and PyArray_XDECREF (in numarray) was found to be incompatible with Numeric and these functions have therefore been removed from the supported API and will now result in errors. 3. The numarray.objects.ObjectArray parameter order was changed. 4. The undocumented API function PyArray_DescrFromTypeObj was removed from the Numeric compatible API because it is not provided by Numeric. III. BUGS FIXED / CLOSED See http://sourceforge.net/tracker/?atid=450446&group_id=1369&func=browse for more details. 979834 convolve2d parameter order issues 979775 ObjectArray parameter order 979712 No exception for invalid axis 979702 too many slices fails silently 979123 A[n:n] = x no longer works 979028 matrixmultiply precision 976951 Unpickled numarray types unsable? 977472 CharArray concatenate 970356 bug in accumulate contiguity status 969162 object array bug/ambiguity 963921 bitwise_not over Bool type fails 963706 _reduce_out: problem with otype 942804 numarray C-API include file 932438 suggest moving mlab up a level 932436 mlab docs missing 857628 numarray allclose returns int 839401 Argmax's behavior has changed for ties 817348 a+=1j # Not converted to complex 957089 PyArray_FromObject dim check broken 923046 numarray.objects incompatibility 897854 Type conflict when embedding on OS X 793421 PyArray_INCREF / PyArray_XDECREF deprecated 735479 Build failure on Cygwin 1.3.22 (very current install). 870660 Numarray: CFLAGS build problem 874198 numarray.random_array.random() broken? 874207 not-so random numbers in numarray.random_array 829662 Downcast from Float64 to UInt8 anomaly 867073 numarray diagonal bug? 806705 a tale of two rank-0's 863155 Zero size numarray breaks for loop 922157 argmax returns integer in some cases 934514 suggest nelements -> size 953294 choose bug 955314 strings.num2char bug? 955336 searchsorted has strange behaviour 955409 MaskedArray problems 953567 Add read-write requirement to NA_InputArray 952705 records striding for > 1D arrays 944690 many numarray array methods not documented 915015 numarray/Numeric incompatabilities 949358 UsesOpPriority unexpected behavior 944678 incorrect help for "size" func/method 888430 NA_NewArray() creates array with wrong endianess 922798 The document Announce.txt is out of date 947080 numarray.image.median bugs 922796 Manual has some dated MA info 931384 What does True mean in a mask? 931379 numeric.ma called MA in manual 933842 Bool arrays don't allow bool assignment 935588 problem parsing argument "nbyte" in callStrideConvCFunc() 936162 problem parsing "nbytes" argument in copyToString() 937680 Error in Lib/numerictypes.py ? 936539 array([cmplx_array, int_array]) fails 936541 a[...,1] += 0 crashes interpreter. 940826 Ufunct operator don't work 935882 take for character arrays? 933783 numarray, _ufuncmodule.c: problem setting buffersize 930014 fromstring typecode param still broken 929841 searchsorted type coercion 924841 numarray.objects rank-0 results 925253 numarray.objects __str__ and __repr__ 913782 Minor error in chapter 12: NUM_ or not? 889591 wrong header file for C extensions 925073 API manual comments 924854 take() errors 925754 arange() with large argument crashes interpreter 926246 ufunc reduction crash 902153 can't compile under RH9/gcc 3.2.2 916876 searchsorted/histogram broken in versions 0.8 and 0.9 920470 numarray arange() problem 915736 numarray-0.9: Doc/CHANGES not up to date WHERE ----------- Numarray-1.0 windows executable installers, source code, and manual 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-1.0 requires Python 2.2.2 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. We'd like to acknowledge the assitance of Francesc Alted, Paul Dubois, Sebastian Haase, Tim Hochberg, Nadav Horesh, Edward C. Jones, Eric Jones, Jochen K"upper, Travis Oliphant, Pearu Peterson, Peter Verveer, Colin Williams, and everyone else who has contributed with comments, bug reports, or patches. 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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Python Automation Module for Internet Explorer 1.3 released
by calfdog＠yahoo.com 02 Jul '04

02 Jul '04

What is P.A.M.I.E - http://pamie.sourceforge.net This tool was developed as an open source Python class (cPAMIE). Pamie allows you to control an instance of Internet Explorer and access it's methods attributes, events, properties though OLE automation . You can write simple or complex scripts which allows you to automate Internet Explorer. You can easily drive them using either MS Excel, MS Access, or Oracle. This tool was modeled after the Perl module by Henry Wasserman Sam.pm. How is I.E. automated?: By utilizing the following; Collections, Methods, Events and Properties exposed by the DHTML Object Model Who is this for? This "free" open source tool "Pamie" was developed to help quality assurance engineers, developers or any other technical professionals in their web testing efforts. USES: * Build verification testing for a web site * Simulating different users logging into a web * Simulating different users filling in and submitting an online enrollment. * An aide for developing other web testing tools. Example: Take Pamie for a test drive! Pamie is in the early stages but is still a professional quality tool that is quite useable and effective. Functions that will be available for latest version. Current Method list in CVS: GetNames - NEW! GetCookie - NEW! ClickButton ClickImage ClickLink ClickSubmitButton FireEvent GetCheckBox GetCheckBoxChecked GetForm ControlNames GetNames GetFormNames GetFrameNames GetListBox GetListBoxSelected GetRadioButton GetRadioButtonSet GetTextBox - new LocationName LocationURL Navigate SetCheckBox SetEventListBox SetListBox SetRadioButton SetTextBox UnSetCheckBox UnSetListBox __doc__ __init__ __module__ _wait_ innerHTML outerHTML pageText quit refresh Thank you Robert Marchetti

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CRITTRZ 0.7.0 Available
by Tom Olivier 02 Jul '04

02 Jul '04

7-2-2004 I am writing to announce the availability of CRITTRZ 0.7.0, the initial, test release a population simulation library. This software was released on 6-2-2004 under an MIT open-source license. CRITTRZ is designed for modeling of demographic, genetic and disease processes in animal populations subdivided by space and social groupings. The system should be adaptable to modeling populations of many large mammal species. CRITTRZ is written in Python and uses a strongly object-oriented architecture. It includes an interface to the Idrisi GIS. The initial release is intended for computers with the Microsoft Windows operating system. I aim to release a later version for the Linux operating system. You can view documentation for the system and download a zip file with program code, documentation and examples at www.greencreekparadigms.com/CRITTRZ.htm. Comments to me at tolivier(a)cstone.net are welcome. Cheers. - Tom Olivier Thomas Olivier, Ph.D. Green Creek Paradigms, LLC 4632 Green Creek Road Schuyler, VA 22969 USA tolivier(a)cstone.net

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Vancouver Python/Zope Meeting on Tuesday
by Brian Quinlan 02 Jul '04

02 Jul '04

This meeting: ============= Paul Prescod will lead a discussion about the Python Virtual Machine. How does the Python Virtual Machine work internally? What are bytecodes? How is code compiled to bytecodes? How are bytecodes interpreted? How are types implemented? What do classes look like inside the Python interpreter? Afterwards we'll retire to a nearby pub for the usual informal discussion of Paul's presentation and the upcoming Vancouver Python Workshop. Time: Tuesday, July 6 at 7:00pm Location: ActiveState (580 Granville St., Vancouver) The group: ========== The Vancouver Python and Zope User's Group is a group of Python enthusiasts who meet once a month to discuss various Python and Zope technologies and projects. For more information about the Vancouver Python and Zope User's Group, see: http://www.vanpyz.org/ For information about the upcoming Vancouver Python Workshop, see: http://www.vanpyz.org/conference/ Cheers, Brian

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ANN: PyLinda 0.3
by Andrew Wilkinson 02 Jul '04

02 Jul '04

PyLinda 0.3 By Andrew Wilkinson <aw at cs dot york dot ac dot uk> Introduction --------------- Linda is an widely studied distributed computing environment, centred 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. Full details can be found at the website http://www-users.cs.york.ac.uk/~aw/pylinda The package can be downloaded from http://www-users.cs.york.ac.uk/~aw/pylinda/linda-0.3.tar.gz Changes In This Version --------------- - Efficency Updates * Switched to using System V Shared Memory where available. * Switched to using Unix domain sockets where available. * Switched to using map instead of an explicit loop in several places. * Changed main message handler to a dictionary of functions instead of a big if/elif statement.

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Service interruptions on mpo possible this weekend
by Barry Warsaw 02 Jul '04

02 Jul '04

The current mail.python.org machine has had many problems over the last few weeks, and it's time to move. Also, we have a deadline of 06-Jul-2004 before ZopeCorp and Baymountain decommission the machine and pull the plug on it. Fortunately, Thomas Wouters and the fine folks at XS4ALL have donated a machine, and your friendly neighborhood volunteer postmasters have been working round the clock (okay, in 3-minute chunks while we recompile Python cvs <wink>) to bring the new machine online and migrate the existing services to it. Given our resources, we feel pretty good that the machine is ready to go, and we'll be taking advantage of the coming US holiday weekend to finish the migration. So please note that there will be planned interruptions of python.org's mail service this weekend. I hope that everything will be back up and running by the end of 05-Jul-2004 somewhere in the world. This outage will also affect the mailing lists in the libexpat.org, porkmasters,org, and usergroups.python.net domains. Also, please note that this specifically does /not/ affect the zope.org domain, since the divorce is final and they're now living on a new dedicated server. -Barry

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Python-announce-list July 2004