Granularity of OSError

[Ryan Kelly]

> > You can access the exception object which gives you greater detail.
> >
> > try:
> >     os.unlink(some_file)
> > except OSError, e:
> >     print e.errno
> >     print e.strerror
> >
> >     if e.errno == 2:
> >         pass
> >     else:
> >         raise
>
> I do this myself in a lot of places, almost exactly like this. It's
> slightly clearer to use 'if e.errno == errno.ENOENT' in my opinion,
> but, whatever.

In some cases it's also more correct.  While ENOENT is always 2, some
error codes differ between windows and posix.  In general it's better to
use the constants from the errno module.

   Ryan


-- 
Ryan Kelly
http://www.rfk.id.au  |  This message is digitally signed. Please visit
ryan at rfk.id.au        |  http://www.rfk.id.au/ramblings/gpg/ for details

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