Python-announce-list June 2007

python-announce-list@python.org

40 participants
56 discussions

by Ryan Kelly

Hi All, I'm pleased to announce the release of PyEnchant version 1.2.0. This version includes some important updates in the underlying enchant library, and implements basic "filters" to allow skipping of email addresses, WikiWords, URLs, etc during a spellchecking session. Cheers, Ryan About: ------ Enchant (http://www.abisource.com/enchant/) is the spellchecking package behind the AbiWord word processor, is being considered for inclusion in the KDE office suite, and is proposed as a FreeDesktop.org standard. It's completely cross-platform because it wraps the native spellchecking engine to provide a uniform interface. PyEnchant brings this simple, powerful and flexible spellchecking engine to Python: http://pyenchant.sourceforge.net/ It also provides extended functionality including classes for tokenizing text and iterating over the spelling errors in it, as well as a ready-to-use text interface and wxPython dialog. Current Version: 1.2.0 Licence: LGPL with exemptions, as per Enchant itself ChangeLog for 1.2.0: -------------------- * Implemented "filters" that allow tokenization to skip common word forms such as URLs, WikiWords, email addresses etc. * Now ships with enchant-1.3.0, meaning: * PWLs can return a useful list of suggestions rather than the empty list * Hunspell replaces MySpell as the default Windows backend * Tokenization doesnt split words at non-alpha characters by default * GtkSpellCheckerDialog contributed by Fredrik Corneliusson * Removed deprecated functionality: * Dict.add_to_personal * All registry handling functionality from enchant.utils * enchant.utils.SpellChecker (use enchant.checker.SpellChecker) * Removed PyPWL, as native enchant PWLs can now suggest corrections -- Ryan Kelly http://www.rfk.id.au | This message is digitally signed. Please visit ryan(a)rfk.id.au | http://www.rfk.id.au/ramblings/gpg/ for details

14 years, 4 months

[ANN] Release 0.64.2 of Task Coach

by Frank Niessink

Hi, I'm pleased to announce release 0.64.2 of Task Coach. This is a bug fix release that should fix the following bugs: * Don't take child task priority into account when sorting by priority in the task tree view. * Don't block OS shutdown on Windows. What is Task Coach? Task Coach is a simple task manager that allows for hierarchical tasks, i.e. tasks in tasks. Task Coach is open source (GPL) and is developed using Python and wxPython. You can download Task Coach from: http://www.taskcoach.org https://sourceforge.net/projects/taskcoach/ In addition to the source distribution, packaged distributions are available for Windows XP, Mac OSX, and Linux (Debian and RPM format). Note that Task Coach is alpha software, meaning that it is wise to back up your task file regularly, and especially when upgrading to a new release. Cheers, Frank

14 years, 6 months

ANN: munepy 1.3 - yet another Python enumeration package

by Barry Warsaw

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 I'm pleased to announce the release of munepy 1.3. munepy is yet another Python enumeration package. It is compatible with Python 2.4 and 2.5. It's not called 'enum' because that's already taken by an alternative enum package. From the README.txt file: Introduction ============ This package is called `munepy`. It is yet another Python enum package, but with a slightly different take on syntax and semantics than earlier such packages. The goals of munepy were to produce simple, specific, concise semantics in an easy to read and write syntax. munepy has just enough of the features needed to make Enums useful, but without a lot of extra baggage to weigh them down. This work grew out of the Mailman 3.0 project and it is the enum package used there. The name `munepy` is a play on words. *mune* is *enum* backwards, and *py* is a common suffix for Python code. *munepy* is pronounced exactly the same as the delicious round chocolaty (if appearance indicates) pastry Moon Pie, which is best when consumed with an RC cola. Why another Python enum implementation? 'Cause I like mine better. :) Here's just a small example, from the documentation: >>> from munepy import Enum >>> class Colors(Enum): ... red = 1 ... green = 2 ... blue = 3 >>> print Colors.red Colors.red >>> Colors.red is Colors.red True >>> Colors.blue is Colors.blue True >>> Colors.red is not Colors.blue True >>> Colors.blue is Colors.red False >>> int(Colors.red) 1 >>> int(Colors.green) 2 >>> int(Colors.blue) 3 Download the package from the Cheeseshop: http://cheeseshop.python.org/pypi/munepy The source code is maintained under the Bazaar version control system. You can access the code from here: https://code.launchpad.net/munepy/ The project home is here: https://launchpad.net/munepy/ Enjoy, - -Barry -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.7 (Darwin) iQCVAwUBRoaJ3nEjvBPtnXfVAQLOnwQAshlhRB9+xSCeSxST2Qvj5lOmxNrBaAdX Q7KbnChJxcIajoKTv0eQhT1cyNDmLriLkE0D1Wpv5T47PyXi0Li1D/SXDUvyubN+ mGFAh5KvlhBCzC+lBh31xvoxrGaHQM+3KTn3BmoBaVovsw7xzEzlWx2foAR5HvOz QjAZEkZFEA0= =PQu2 -----END PGP SIGNATURE-----

14 years, 6 months

Pydev 1.3.6 Released

by Fabio Zadrozny

Hi All, Pydev and Pydev Extensions 1.3.6 have been released Details on Pydev Extensions: http://www.fabioz.com/pydev Details on Pydev: http://pydev.sf.net Details on its development: http://pydev.blogspot.com Release Highlights in Pydev Extensions: ----------------------------------------------------------------- * Bug-Fixes Release Highlights in Pydev: ---------------------------------------------- * Bug Fix: Builtins were not correctly used after specifying interpreter (so, the builtins would not be available in completions/code-analysis). * Patch (from Carl Robinson): PyLint severities can now be specified. What is PyDev? --------------------------- PyDev is a plugin that enables users to use Eclipse for Python and Jython development -- making Eclipse a first class Python IDE -- It comes with many goodies such as code completion, syntax highlighting, syntax analysis, refactor, debug and many others. Cheers, -- Fabio Zadrozny ------------------------------------------------------ Software Developer ESSS - Engineering Simulation and Scientific Software http://www.esss.com.br Pydev Extensions http://www.fabioz.com/pydev Pydev - Python Development Enviroment for Eclipse http://pydev.sf.net http://pydev.blogspot.com

14 years, 7 months

Shed Skin 0.0.22 - Build extension modules

by Mark Dufour

Hi all, It's been a few months since the previous release, but here goes Shed Skin 0.0.22. The main focus of this release has been to add basic support for building extension modules. To build an extension module, simply use 'ss -e .. && make'. A more complete changelog: -support for generating simple extension modules (linux/windows; see README) -dos text format fix (long overdue) -improved detection of dynamic types (avoid hanging on them) -improved overloading (__nonzero__, __int__, __abs__ etc.) -add str(ing).{capitalize, capwords, swapcase, center, ato*) -fix string.maketrans -several other minor bug fixes Please try out the new release and let me know if there are any problems, Thanks, Mark Dufour. -- "One of my most productive days was throwing away 1000 lines of code" - Ken Thompson

14 years, 7 months

bbfreeze 0.94.1

by Ralf Schmitt

Hi all, I've just uploaded bbfreeze 0.94.1 to python's cheeseshop. bbfreeze creates standalone executables from python scripts. It's similar in functionality to py2exe or cx_Freeze. This version fixes a problem with the setup.py script and now installs the patched modulegraph. It offers the following features: easy installation bbfreeze can be installed with setuptools' easy_install command. zip/egg file import tracking bbfreeze tracks imports from zip files. Note that calls to setuptools' pkg_resources.require will be replaced with a dummy implementation. Calls to resource handling functions are *not* implemented, and freezing packages using these features of pkg_resources will not be possible without further work. multiple script freezing bbfreeze can freeze multiple scripts at once. python interpreter included bbfreeze will create an extra executable named 'py', which might be used like the python executable itself. bbfreeze works on windows and UNIX-like operating systems. It currently does not work on OS X. bbfreeze has been tested with python 2.4 and 2.5. bbfreeze will not work with python versions prior to 2.3 as it uses the zipimport feature introduced with python 2.3. Links -------- cheese shop entry: http://cheeseshop.python.org/pypi/ bbfreeze/<http://cheeseshop.python.org/pypi/bbfreeze/> homepage: http://systemexit.de/bbfreeze/ mercurial repository: http://systemexit.de/repo/bbfreeze Regards, - Ralf

14 years, 7 months

hachoir-regex 1.0 released

by haypo

hachoir-regex is a Python library for regular expression (regex or regexp) manupulation. You can use a|b (or) and a+b (and) operators. Expressions are optimized during the construction: merge ranges, simplify repetitions, etc. It also contains a class for pattern matching allowing to search multiple strings and regex at the same time. Website: http://hachoir.org/wiki/hachoir-regex Regex examples ============== Different methods to create regex: >>> from hachoir_regex import parse, createRange, createString >>> createString("bike") + createString("motor") <RegexString 'bikemotor'> >>> parse('(foo|fooo|foot|football)') <RegexAnd 'foo(|[ot]|tball)'> >>> regex = createString("1") | createString("3"); regex <RegexRange '[13]'> >>> regex |= createRange("2", "4"); regex <RegexRange '[1-4]'> As you can see, you can use classic "a|b" (or) and "a+b" (and) Python operators, and expressions are optimized for fast pattern matching. Regex using repetition: >>> parse("(a{2,}){3,4}") <RegexRepeat 'a{6,}'> >>> parse("(a*|b)*") <RegexRepeat '[ab]*'> >>> parse("(a*|b|){4,5}") <RegexRepeat '(a+|b){0,5}'> Compute minimum and maximum length of matched pattern: >>> r=parse('(cat|horse)') >>> r.minLength(), r.maxLength() (3, 5) >>> r=parse('(a{2,}|b+)') >>> r.minLength(), r.maxLength() (1, None) Pattern maching =============== Use PatternMaching if you would like to match multiple strings and regex at the same time: >>> from hachoir_regex import PatternMatching >>> p = PatternMatching() >>> p.addString("a") >>> p.addString("b") >>> p.addRegex("[cd]") >>> for start, end, item in p.search("a b c d"): ... print "%s..%s: %s" % (start, end, item) ... 0..1: a 2..3: b 4..5: [cd] 6..7: [cd] You can also attach user data to a pattern: >>> p = PatternMatching() >>> p.addString("un", 1) >>> p.addString("deux", 2) >>> for start, end, item in p.search("un deux"): ... print "%r at %s: userdata=%r" % (item, start, item.user) ... <StringPattern 'un'> at 0: userdata=1 <StringPattern 'deux'> at 3: userdata=2 Download hachoir-regex on Python cheeseshop, it's distributed under GNU GPL license. Victor Stinner aka haypo http://hachoir.org/

14 years, 7 months

itools 0.16.0 released

by "J. David Ibáñez"

itools is a Python library, it groups a number of packages into a single meta-package for easier development and deployment: itools.catalog itools.i18n itools.tmx itools.cms itools.ical itools.uri itools.csv itools.odf itools.vfs itools.datatypes itools.pdf itools.web itools.gettext itools.rest itools.workflow itools.handlers itools.rss itools.xhtml itools.html itools.schemas itools.xliff itools.http itools.stl itools.xml The main focus of this release has been quality: - The whole documentation has been updated and reviewed. Now we have a +200 pages PDF, and the code behaves as it is documented. - For the first time all unit tests are up-to-date. Check the README file to learn how to run them. - We have made a little round through the coding style, all modules are lowercase now. - The API has been flatten. This means that all functions, constants, classes and exceptions of a package are available at the package's root level (no need to go search a function in some module). Only exception is "itools.cms", which is too big to have a flat API. But this release brings also some big new features. The new top-level package "itools.rest" provides a partial implementation of ReStructured Text [1]. Another new top-level package, "itools.odf", provides support for the Open Document Format [2]. Specifically the scripts igettext-extract and igettext-build are able to work with ODF files, so they can be used to assist a translator to translate a ODF document. The index & search engine (package "itools.catalog") has been re-worked. With some new features (like the possibility to define custom fields), and a much friendlier programming interface. Check the documentation. The implementation of the XML file handler has been radically changed. It does not use anymore an element-tree to represent the handler's state, but a list of events: start tag, end tag, text node, etc. (this change has been inspired by Genshi [3]). Other packages have seen minor changes either to the programming interface or to the user interface. Most notably: itools.uri, itools.vfs, itools.handlers, itools.gettext, itools.csv, itools.ical and itools.cms. Check the UPGRADE file for the details on how to update your code. [1] http://docutils.sourceforge.net/rst.html [2] http://en.wikipedia.org/wiki/OpenDocument [3] http://genshi.edgewall.org/ Credits: - Hervé Cauwelier implemented itools.rest and worked on itools.cms; - Nicolas Deram refactored itools.ical and itools.cms.ical; - J. David Ibáñez did about everything else; - Henry Obein fixed a few bugs; - Sylvain Taverne implemented itools.odf, fixed many bugs, updated the French translation, and reviewed the documentation; Resources --------- Download http://download.ikaaro.org/itools/itools-0.16.0.tar.gz Home http://www.ikaaro.org/itools Mailing list http://mail.ikaaro.org/mailman/listinfo/itools Bug Tracker http://bugs.ikaaro.org/ -- J. David Ibáñez Itaapy <http://www.itaapy.com> Tel +33 (0)1 42 23 67 45 9 rue Darwin, 75018 Paris Fax +33 (0)1 53 28 27 88

14 years, 7 months

PySWIP 0.2.0 released

by yuce

I am pleased to announce the 0.2.0 version of PySWIP. PySWIP is a GPL'd Python - SWI-Prolog bridge enabling to query SWI- Prolog in your Python programs. It features an (incomplete) SWI-Prolog foreign language interface, a utility class that makes it easy querying with Prolog and also a Pythonic interface. Since PySWIP uses SWI-Prolog as a shared library and ctypes to access it, it doesn't require compilation to be installed. Note that this version of PySWIP is slightly incompatible with prior versions. == Requirements == * Python 2.3 and higher. * ctypes 1.0 and higher. * SWI-Prolog 5.6.x and higher (most probably other versions will also work). * libpl as a shared library. * Works on Linux and Win32, should work for all POSIX. == News == * Prolog.query returns real Python datatypes. * New Pythonic interface (See the last example). * Several new examples, including Markus Triska's *Sudoku Solver*. * Prolog module support. * Foreign functions retrieve Python datatypes. == Example (Using Prolog) == >>> from pyswip import Prolog >>> prolog = Prolog() >>> prolog.assertz("father(michael,john)") >>> prolog.assertz("father(michael,gina)") >>> list(prolog.query("father(michael,X)")) [{'X': 'john'}, {'X': 'gina'}] >>> for soln in prolog.query("father(X,Y)"): ... print soln["X"], "is the father of", soln["Y"] ... michael is the father of john michael is the father of gina Since version 0.1.3 of PySWIP, it is possible to register a Python function as a Prolog predicate through SWI-Prolog's foreign language interface. == Example (Foreign Functions) == from pyswip import Prolog, registerForeign def hello(t): print "Hello,", t hello.arity = 1 registerForeign(hello) prolog = Prolog() prolog.assertz("father(michael,john)") prolog.assertz("father(michael,gina)") list(prolog.query("father(michael,X), hello(X)")) Outputs: Hello, john Hello, gina Since version 0.2, PySWIP contains a 'Pythonic' interface which allows writing predicates in pure Python. == Example (Pythonic interface) == from pyswip import Prolog, Functor, Variable, Query assertz = Functor("assertz", 2) father = Functor("father", 2) call(assertz(father("michael","john"))) call(assertz(father("michael","gina"))) X = Variable() q = Query(father("michael",X)) while q.nextSolution(): print "Hello,", X.value Outputs: Hello, john Hello, gina PySWIP homepage: http://code.google.com/p/pyswip Downloads: http://code.google.com/p/pyswip/downloads/list Subversion repo: http://pyswip.googlecode.com/svn/trunk Discussion Group: http://groups.google.com/group/pyswip Regards, Yuce Tekol yucetekol [at] gmail [dot] com>

14 years, 7 months

[ANN] PyDAO - Python Hibernate-like Object-Relational Mapper

by cieslak.dariusz＠gmail.com

PyDAO is very thin object-relational mapper similar to Hibernate (but much simpler). It's created to speed-up application development. It's very simple, but powerful, based on POPO (Plain Old Python Objects). http://aplikacja.info/PyDAO.html Main features: - can use any database that has DB-API interface (MySQLdb, psycopg tested) - can work without database at all (useful for early phases of development) - speeds up unit testing (dedicated in memory database) What is not handled: - automatic scheme generation - separate query language - automated handling of associations (replaced by filtering by foreign keys) Here's an example how to use PyDAO: class User: def __init__(self): self.id = None self.login = None self.password = None dao = pydao.InMemoryDao() # filling database user = User() user.login = "user1" user.password = "roh8OoPh" dao.save(user) # filtering based on example userSearch = User() userSearch.login = "user1" userList = dao.list(userSearch) # updating user.password = "eew8Me8g" dao.update(user) Enjoy! -- Dariusz Cieslak http://aplikacja.info - custom software systems

14 years, 7 months

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Python-announce-list June 2007