[Python-Dev] Re: [Python-checkins] CVS: python/dist/src/Lib getopt.py,1.7,1.8

[Guido van Rossum]

> >>>>> "Guido" == Guido van Rossum <guido@cnri.reston.va.us> writes:
> 
>     BAW> Or require that exception classes be derived from
>     BAW> exceptions.Exception :)
> 
>     Guido> That's hard to require.  But it could easily be a
>     Guido> requirement checked by one of the hypothetical typecheckers
>     Guido> that are being discussed in the types-sig.
> 
> Hmm, the raise could probably enforce this, but it might not be that
> useful.
> 
> -Barry

The raise could easily enforce this, but it would break lots of
existing code.

I wish I had done it right from the start -- then exceptions would
have been classes from the start and would have required inheritance
from the Exception base class.  Like in Java.  (And in C++?)

--Guido van Rossum (home page: http://www.python.org/~guido/)