[Python-Dev] IO module precisions and exception hierarchy (original) (raw)
Michael Foord fuzzyman at voidspace.org.uk
Tue Sep 29 01:21:50 CEST 2009
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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 be caught.
Michael
-- http://www.ironpythoninaction.com/ http://www.voidspace.org.uk/blog
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