I have not tried this, but <a href="http://pytools.codeplex.com/">http://pytools.codeplex.com/</a> and <a href="http://www.eweek.com/c/a/Application-Development/Microsoft-Launches-Python-Tools-for-Visual-Studio-Beta-638994/">http://www.eweek.com/c/a/Application-Development/Microsoft-Launches-Python-Tools-for-Visual-Studio-Beta-638994/</a> might help. It sounds like the plugin requires Visual Studio 2010 and I don't know if it works with the free-as-in-beer edition of Visual Studio. <div class="gmail_quote">On Mon, May 9, 2011 at 6:29 AM, Alexander Belchenko <<a href="mailto:bialix@ukr.net">bialix@ukr.net</a>> wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">09.05.2011 13:49, INADA Naoki пишет: <div class="im">> I tried simple test on IPython. > > a = range(10000) > %timeit _bencode_pyx.bencode(a) > > Cython: 2.5ms > Pyrex: 3.04ms > > Now Bazaar uses Pyrex when both of Pyrex and Cython is installed. > How about use Cython for default? </div>As I remember, Cython generates the code which cannot be compiled with MSVC, and windows installer seems to use MSVC to build extensions. Maybe they fixed that, but I'm not sure somebody cares. </blockquote></div>