[Python-Dev] urllib exception compatibility

[BJörn Lindqvist]

On 9/27/07, Guido van Rossum <guido at python.org> wrote:
> How about making IOError, OSError and EnvironmentError all aliases for
> the same thing? The distinction is really worthless historical
> baggage.

Wouldn't it also be nice to have some subclasses of IOError like
FileNotFoundError, IOPermissionError and EOFError? Often that would be
easier than having to use the errno attribute to find out the exact
cause.

-- 
mvh Björn