Thanks to those who replied and sorry for not having replied sooner. Ok, got the message: chroot jail. I understand chroot is available for unix-like OS as a kernel-provided facility. If I was developing for, say, Linux or maybe even MacOSX, it might even be easy. My target OS however are XP and Vista. I did find chroot-like features in various virtualization platforms for those OS, but it would definitely be overkill to request the user that he installs a virtualization software to run a small application. I was reading this page
http://wiki.python.org/moin/How%20can%20I%20run%20an%20untrusted%20Python%20script%20safely%20(i.e.%20Sandbox) and it seems to me my only two options are pypy-c and Jython. Would you agree or are there more avenues to explore given my OS requirements? Manu -- http://mail.python.org/mailman/listinfo/python-list
