[Zope] thread safety

[Jerome Alet]

On Wed, 16 May 2001, Toby Dickenson wrote:

> On Wed, 16 May 2001 16:44:37 +0200 (MET DST), Jerome Alet
> <alet@unice.fr> wrote:
> 
> >So my question is: is this code thread safe, wrt to other Zope threads
> >accessing the os module methods while they are redirected to mine ? I
> >don't want other Zope threads to access my own methods, just the current
> >one. 
> 
> The cheeky solution involves using the standard library module rexec.
> It was designed for replacing modules in a security sandbox (for
> example, replacing the standard 'open' function with one that limits
> access to a specific directory) but it will do exactly what you want
> too.
> 
> The python documentation for this module is a little thin, but there
> is deeper documentation on www.python.org.

I really don't understand how to do that, does someone have working
examples ?

thanks in advance !

Jerome Alet