[Python-Dev] Reference cycles in Exception.__traceback__

[Antoine Pitrou]

Le 05/03/2014 23:53, Nick Coghlan a écrit :
>
> __traceback__ wouldn't change [...]

Uh, really? If you want to suppress all reference cycles, you *have* to 
remove __traceback__.

The problem is to make computation of the traceback summary lightweight 
enough that it doesn't degrade performance in the common case where you 
don't have to print the traceback later.

Regards

Antoine.