[Python-Dev] Exception Reorg PEP checked in

Sun Aug 14 21:21:31 CEST 2005

Wilfredo Sánchez Vega <wsanchez at wsanchez.net> writes:
> I'm curious about why Python lacks FileNotFoundError, 
> PermissionError and the like as subclasses of IOError.

Good question. Lack of effort/inertia?
> Catching IOError and looking at errno to figure out what went 
> wrong seems pretty unpythonic, and I've often wished for built-in 
> subclasses of IOError.

The py library does this (http://codespeak.net/py).
> I sometimes subclass them myself, but a lot of the time, I'm 
> catching such exceptions as thrown by the standard library.

Well, indeed. OTOH, functions like os.open aren't really *meant* to
be pythonic.
I don't think this is something I can get interested enough in to work
on myself.
Cheers,
mwh
-- 
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