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| From | Lie Ryan <lie.1296@gmail.com> |
| Subject | Re: How to mix-in __getattr__ after the fact? |
| Date | Sat, 29 Oct 2011 13:26:31 +1100 |
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On 10/29/2011 05:20 AM, Ethan Furman wrote: > > Python only looks up __xxx__ methods in new-style classes on the class > itself, not on the instances. > > So this works: > > 8<---------------------------------------------------------------- > class Cow(object): > pass > > def attrgetter(self, a): > print "CAUGHT: Attempting to get attribute", a > > bessie = Cow() > > Cow.__getattr__ = attrgetter > > print bessie.milk > 8<---------------------------------------------------------------- a minor modification might be useful: bessie = Cow() bessie.__class__.__getattr__ = attrgetter
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How to mix-in __getattr__ after the fact? dhyams <dhyams@gmail.com> - 2011-10-28 10:34 -0700
Re: How to mix-in __getattr__ after the fact? Jerry Hill <malaclypse2@gmail.com> - 2011-10-28 14:14 -0400
Re: How to mix-in __getattr__ after the fact? Ethan Furman <ethan@stoneleaf.us> - 2011-10-28 11:20 -0700
Re: How to mix-in __getattr__ after the fact? Lie Ryan <lie.1296@gmail.com> - 2011-10-29 13:26 +1100
Re: How to mix-in __getattr__ after the fact? dhyams <dhyams@gmail.com> - 2011-10-31 05:01 -0700
Re: How to mix-in __getattr__ after the fact? DevPlayer <devplayer@gmail.com> - 2011-11-01 22:50 -0700
Re: How to mix-in __getattr__ after the fact? Lie Ryan <lie.1296@gmail.com> - 2011-11-08 15:17 +1100
Re: How to mix-in __getattr__ after the fact? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-11-08 05:58 +0000
Re: How to mix-in __getattr__ after the fact? Thomas Rachel <nutznetz-0c1b6768-bfa9-48d5-a470-7603bd3aa915@spamschutz.glglgl.de> - 2011-11-08 11:21 +0100
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