[issue5062] Rlcompleter.Completer does not use __dir__ magic method

[Carl Johnson]

Carl Johnson <carl at carlsensei.com> added the comment:

I think that checking to see which things really exist with
getattr/hasattr made sense back in the days before the __dir__, since in
those days the real API for an object could diverge wildly from what was
reported by dir(object), but nowadays, if someone goes to the trouble of
defining the __dir__ method, then we should just trust that as being
"the API" and not do any other checking.

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue5062>
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