Restricting Python's syntax to execute user code safely. Is this a safe approach?

Question

Original question:

Executing mathematical user code on a python web server, what is the simplest secure way?

• I want to be able to run user submitted co

Answer 1

The Openerp's source code contains a safe_eval.py that do a similar thing. But Instead of checking the ast of the source, it restrict the byte code that is allowed to execute. I think you may also have a look on it :)