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Fri Sep 28 01:41:57 CEST 2007 · https://mail.python.org/pipermail/python-dev/2007-September/074764.html

I suspect that the use case for those errors is far less than you think.

On 9/27/07, BJörn Lindqvist <bjourne at gmail.com> wrote:
> 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
>

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

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[Python-Dev] urllib exception compatibility