[Zope] Print error_traceback from script (python)

Evening all, I have a script (python) that has various try/except clauses in it. I would like to be able to get hold of the traceback from within the except block so that I can (optionally) send it as an argument to a user-friendly page summarising how the last lot of transactions went. So, I tried... try: foo() except: tb = error_traceback() AND tb = context.error_traceback() AND tb = context.error_traceback AND tb = context.REQUEST['error_traceback'] all of which fail with any of keyerror, attributeError and possibly some others. Am I even in the right ball-park here? Can I do this? If I'm honest, I don't really know how to do it in straight python, let alone these limited scripts. Thanks if you can help, tim