[Python-Dev] urllib exception compatibility

[Stephen J. Turnbull]

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.