[Python-Dev] PEP 344 (was: with_traceback)

[Greg Ewing]

Guido van Rossum wrote:
> Perhaps we could allow reraising whenever the
> existing traceback chain contains a reference to a frame that is an
> ancestor of (or equal to) the newly raising frame?

This is starting to sound terribly hairy.

Would it help if a different syntax were used for
raising and reraising? Raising would complain if
there were already a traceback, and reraising
would expect an existing traceback and extend
it.

--
Greg