[Python-Dev] IO module precisions and exception hierarchy
fuzzyman at voidspace.org.uk
Tue Sep 29 01:21:50 CEST 2009
Greg Ewing wrote:
> Michael Foord wrote:
>> Well, the file type knows what mode it is opened in so catching these
>> errors is really not difficult at all.
> Yes, in this particular case it could do some checking of
> its own before making the system call. But this still has
> nothing to do with the exception hierarchy.
You said that having an exception hierarchy was impossible because the
only information we have is the error number. Some errors could easily
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