Congratulations! [EMAIL PROTECTED] wrote on 25/06/2006 13:07:01:
> The PyPy development team has been busy working and we've now packaged > our latest improvements, completed work and new experiments as > version 0.9.0, our fourth public release. > > The highlights of this fourth release of PyPy are: > > **implementation of "stackless" features** > We now support the larger part of the interface of the original > Stackless Python -- see http://www.stackless.com for more. A > significant part of this is the pickling and unpickling of a running > tasklet. > > These features, especially the pickling, can be considered to be a > "technology preview" -- they work, but for example the error handling > is a little patchy in places. > > **ext-compiler** > The "extension compiler" is a new way of writing a C extension for > CPython and PyPy at the same time. For more information, see its > documentation: http://codespeak.net/pypy/dist/pypy/doc/extcompiler.html > > **rctypes** > Most useful in combination with the ext-compiler is the fact that our > translation framework can translate code that uses the > standard-in-Python-2.5 ctypes module. See its documentation for more: > http://codespeak.net/pypy/dist/pypy/doc/rctypes.html > > **framework GCs** > PyPy's interpreter can now be compiled to use a garbage collector > written in RPython. This added control over PyPy's execution makes the > implementation of new and interesting features possible, apart from > being a significant achievement in its own right. > > **__del__/weakref/__subclasses__** > The PyPy interpreter's compatibility with CPython continues improves: > now we support __del__ methods, the __subclasses__ method on types and > weak references. We now pass around 95% of CPython's core tests. > > **logic space preview** > This release contains the first version of the logic object space, > which will add logical variables to Python. See its docs for more: > http://codespeak.net/pypy/dist/pypy/doc/howto-logicobjspace-0.9.html > > **high level backends preview** > This release contains the first versions of new backends targeting high > level languages such as Squeak and .NET/CLI and updated versions of the > JavaScript and Common Lisp backends. They can't compile the PyPy > interpreter yet, but they're getting there... > > **bugfixes, better performance** > As you would expect, performance continues to improve and bugs continue > to be fixed. The performance of the translated PyPy interpreter is > 2.5-3x times faster than 0.8 (on richards and pystone), and is now > stable enough to be able to run CPython's test suite to the end. > > **testing refinements** > py.test, our testing tool, now has preliminary support for doctests. > We now run all our tests every night, and you can see the summary at: > http://snake.cs.uni-duesseldorf.de/pypytest/summary.html > > What is PyPy (about)? > ------------------------------------------------ > > PyPy is a MIT-licensed research-oriented reimplementation of Python > written in Python itself, flexible and easy to experiment with. It > translates itself to lower level languages. Our goals are to target a > large variety of platforms, small and large, by providing a > compilation toolsuite that can produce custom Python versions. > Platform, memory and threading models are to become aspects of the > translation process - as opposed to encoding low level details into > the language implementation itself. Eventually, dynamic optimization > techniques - implemented as another translation aspect - should become > robust against language changes. > > Note that PyPy is mainly a research and development project and does > not by itself focus on getting a production-ready Python > implementation although we do hope and expect it to become a viable > contender in that area sometime next year. > > PyPy is partially funded as a research project under the European > Union's IST programme. > > Where to start? > ----------------------------- > > Getting started: http://codespeak.net/pypy/dist/pypy/doc/getting- > started.html > > PyPy Documentation: http://codespeak.net/pypy/dist/pypy/doc/ > > PyPy Homepage: http://codespeak.net/pypy/ > > The interpreter and object model implementations shipped with the 0.9 > version can run on their own and implement the core language features > of Python as of CPython 2.4. However, we still do not recommend using > PyPy for anything else than for education, playing or research > purposes. > > Ongoing work and near term goals > --------------------------------- > > The Just-in-Time compiler and other performance improvements will be one of > the main topics of the next few months' work, along with finishing the > logic object space. > > Project Details > --------------- > > PyPy has been developed during approximately 20 coding sprints across > Europe and the US. It continues to be a very dynamically and > incrementally evolving project with many of these one-week workshops > to follow. > > PyPy has been a community effort from the start and it would > not have got that far without the coding and feedback support > from numerous people. Please feel free to give feedback and > raise questions. > > contact points: http://codespeak.net/pypy/dist/pypy/doc/contact.html > > have fun, > > the pypy team, (Armin Rigo, Samuele Pedroni, > Holger Krekel, Christian Tismer, > Carl Friedrich Bolz, Michael Hudson, > and many others: http://codespeak.net/pypy/dist/pypy/doc/contributor.html) > > PyPy development and activities happen as an open source project > and with the support of a consortium partially funded by a two > year European Union IST research grant. The full partners of that > consortium are: > > Heinrich-Heine University (Germany), AB Strakt (Sweden) > merlinux GmbH (Germany), tismerysoft GmbH (Germany) > Logilab Paris (France), DFKI GmbH (Germany) > ChangeMaker (Sweden), Impara (Germany) > > -- > And not only in the sense that they imagine heretics where these > do not exist, but also that inquistors repress the heretical > putrefaction so vehemently that many are driven to share in it, > in their hatred of the judges. -- The Name Of The Rose, Umberto Eco > _______________________________________________ > Python-Dev mailing list > Python-Dev@python.org > http://mail.python.org/mailman/listinfo/python-dev > Unsubscribe: http://mail.python.org/mailman/options/python- > dev/python%40theyoungfamily.co.uk > _______________________________________________ Python-Dev mailing list Python-Dev@python.org http://mail.python.org/mailman/listinfo/python-dev Unsubscribe: http://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com
