On 03/12/2014 10:09 AM, Guido van Rossum wrote:
I want to reject this PEP. [...]
But the thing I can't get behind are the motivation and rationale. I don't
think that e.g. dict.get() would be
unnecessary once we have except expressions, and I disagree with the position
that EAFP is better than LBYL [...]
Does this mean a better motivation and rationale may cause you to change your
mind?
My motivation is for simpler, easier to read code: instead of a full-blown try/except block or a double-lookup into an
indexable object I would much rather do:
self.date = text_to_date(date, 'mdy') except ValueError: batch_date
instead of:
try:
self.date = text_to_date(date, 'mdy')
except ValueError:
self.date = batch_date
This is probably the most you can get out of me as far as a pronouncement.
Given that the language summit is coming up
I'd be happy to dive deeper in my reasons for rejecting it there (if there's
demand).
I would like to know, but I won't be at the language summit. I can wait until after, though -- I know time is in
especially short supply until then.
--
~Ethan~
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