Why don't you want it to mutate the instance? On 2/10/07, Nick Coghlan <[EMAIL PROTECTED]> wrote: > Collin Winter wrote: > > I think so. I've already got language ready for the section on using > > BaseException.with_traceback() in the 2->3 raise translations, and > > I'll work up additional language for the transition plan sometime this > > weekend. > > If with_traceback() is an instance method, does it mutate the existing > exception or create a new one? > > To avoid any confusion, perhaps it should instead be a class method > equivalent to the following: > > @classmethod > def with_traceback(*args, **kwds): > cls = args[0] > tb = args[1] > args = args[2:] > exc = cls(*args, **kwds) > exc.__traceback__ = tb > return exc > > Usage would look like: > > raise E.with_traceback(T, V) > > > Cheers, > Nick. > > -- > Nick Coghlan | [EMAIL PROTECTED] | Brisbane, Australia > --------------------------------------------------------------- > http://www.boredomandlaziness.org >
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