R: [Python-Dev] Deprecating string exceptions

[Gordon McMillan]

On 28 Mar 2002 at 9:43, Guido van Rossum wrote:

[me, on requiring Exception as base class]
> > Hmm. If the rule were (eventually) strictly
> enforced, > could we get the C++-style "stack
> allocated object > whose destructor releases the
> resource" trick > working? 
> 
> (a) I'm not sure I like to make that semantics
> official, since it's
>     hard to implement e.g. in Jython.

Don't blame me - I told JimH he was
wasting his time <wink>!
 
> (b) I'm having another dense day.  How would
> requiring exceptions to inherit from Exception make
> this easier? 

Well, I implicitly hand-waved on a couple steps,
like a total revamp of the sys.exc_* stuff.

Bleh. No, I guess there's no way around the
fact that that dangling reference is either a
blessing or a curse, and which it is depends
on circumstances external to the system.
 
> > (Which would allow killing off the recurrent "with" /
> > "using" thread.)
> 
> In c.l.py?  I'm not aware of it.

We just had one here. Started out on hygenic
macros, but ended up on hiding finally clauses.

-- Gordon
http://www.mcmillan-inc.com/