Friday, August 22, 2008

pylib/py.test 0.9.2 released

PyPy and its 14638 automated tests use the py.test tool which is also used by many other projects. PyPy developers have actually driven and contributed a lot to its development. I just released version 0.9.2 of the py lib mainly fixing Windows issues and providing better packaging and integration with setuptools. It's usable completely independently from PyPy - "easy_install py" gives you the py.test command line. Of course you can run py.test on top of a translated PyPy version as well. Here is a quick summary of what the py lib provides besides py.test:
  • py.execnet: ad-hoc code distribution to SSH, Socket and local sub processes
  • py.magic.greenlet: micro-threads on standard CPython ("stackless-light") and PyPy
  • py.path: path abstractions over local and subversion files
  • py.code: dynamic code compile and traceback printing support
  • tested against Linux, Win32, OSX, works on python 2.3-2.6
Good general entry points for installation and documentation: have fun, holger krekel

Tuesday, August 19, 2008

New translation option: --opt

Hi all,

A few command-line options for have changed. Most interesting is that optimization levels are selected with the option --opt, or -O for short. This replaces --allopts, which was also called --faassen in reference to a person who is actually not involved in PyPy (so that was a bit of a strange joke). Also, --allworkingmodules is the default nowadays, and can be cancelled with --no-allworkingmodules. Threads are also included in --allworkingmodules now.


  • (reasonable default, corresponds to --opt=2)
  • --opt=3 (best, maybe 10-20% faster)
  • --opt=1 (translation is faster and less RAM-hungry)

For more information, see:

PyPy runs unmodified django 1.0 beta

This is just a quick update post to previous post - django folks commited all outstanding tickets and we are able to run unmodified django on top of pypy-c. Instructions how to do it are well explained on django wiki entry