execfile syntax & zope error

[dd]

Hi,

Im having problem using execfile.

Using execfile('filename.exe') on zope for web purpose, generate an error:

An error has occurred. The Site Admistrator has been notified. 
global name 'execfile' is not defined and Traceback (innermost last)

should I import something on python like:

import sys
execfile('filename.exe')


but this gives me an error, refer above.....


Any help...thanks

dd