[Numpy-discussion] Question about improving genfromtxt errors
Fri Sep 25 14:28:19 CDT 2009
On Fri, Sep 25, 2009 at 3:08 PM, Christopher Barker
> Ralf Gommers wrote:
> > Probably the easiest for your purpose is this:
> > def divbyzero():
> > return 1/0
> > try:
> > a = divbyzero()
> > except ZeroDivisionError as err:
> > print 'problem occurred at line X'
> > raise err
> I get an error with this syntax -- is thin 2.6 only?
> Yes sorry, that's the 2.6/3.0 syntax. It should be
except ZeroDivisionError, err:
Anyway, the instance is not needed in my example because it can't be
usefully modified and can be re-raised with a bare "raise".
> > Maybe better to use a logger instead of print, but you get the idea.
> definitely don't print! a lib function should never print (unless maybe
> with a debug flag or something set). I don't know if there is a standard
> logging approach you could use.
> I'd rather see info added to the Exception, or a new Exception raised
> with info.
The former is not possible, which motivated my example. The latter loses the
original traceback. Logging seems to be the way to go if you want all the
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