[Python-Dev] urllib exception compatibility

[Brett Cannon]

On 9/28/07, Guido van Rossum <guido at python.org> wrote:
> On 9/28/07, Stephen J. Turnbull <stephen at xemacs.org> wrote:
> > Greg Ewing writes:
> >  > Gregory P. Smith wrote:
> >  > > Is IOError is the right name to use?  OSError is raised for things that
> >  > > are not IO such as subprocess, dlopen, system.
> >  >
> >  > The trouble with either of these is that the class
> >  > of errors we're talking about don't necessarily come
> >  > directly from the OS or I/O library.
> >
> > Agree, but I think this is a case where practicality beats purity.
> >
> > +1 for OSerror.
>
> The OS is a somewhat troublesome abstraction boundary. I/O is a more
> general concept (and PPBP). +1 for IOError.

What is PPBP?

-Brett