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Groups > comp.lang.python > #69921
| From | alex23 <wuwei23@gmail.com> |
|---|---|
| Newsgroups | comp.lang.python |
| Subject | Re: Keeping track of things with dictionaries |
| Date | 2014-04-09 12:34 +1000 |
| Organization | A noiseless patient Spider |
| Message-ID | <li2bj6$dpi$1@dont-email.me> (permalink) |
| References | (1 earlier) <21ef5159-ad95-4d43-a2d6-7ecda941d978@googlegroups.com> <CAPTjJmqFBt2XX+BDfNHz0gaGOrDkhtpBzrR29DUWN36girzcSw@mail.gmail.com> <li07kt$4cl$1@ger.gmane.org> <CALwzidmP5Bevbace9GyQrVXe-_2T=jtPQ1yVaPsAePvOMQePLA@mail.gmail.com> <mailman.9003.1396945907.18130.python-list@python.org> |
On 8/04/2014 6:31 PM, Frank Millman wrote: > Here is an idea, inspired by Peter Otten's suggestion earlier in this > thread. > > Instead of defaultdict, subclass dict and use __missing__() to supply the > default values. > When the dictionary is set up, delete __missing__ from the subclass! > Ugly, but it seems to work. Ugly indeed. Replicating the behaviour of defaultdict and then deleting a method from the class seems a very heavyhanded 'solution', especially when you can just override a public attribute on defaultdict, as mentioned by Peter.
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Keeping track of things with dictionaries Giuliano Bertoletti <gbe32241@libero.it> - 2014-04-06 09:44 +0200
Re: Keeping track of things with dictionaries Peter Otten <__peter__@web.de> - 2014-04-06 10:23 +0200
Re: Keeping track of things with dictionaries Josh English <Joshua.R.English@gmail.com> - 2014-04-07 21:02 -0700
Re: Keeping track of things with dictionaries Chris Angelico <rosuav@gmail.com> - 2014-04-08 14:08 +1000
Re: Keeping track of things with dictionaries Josh English <Joshua.R.English@gmail.com> - 2014-04-07 23:22 -0700
Re: Keeping track of things with dictionaries "Frank Millman" <frank@chagford.com> - 2014-04-08 09:14 +0200
Re: Keeping track of things with dictionaries Steven D'Aprano <steve@pearwood.info> - 2014-04-08 07:47 +0000
Re: Keeping track of things with dictionaries Ian Kelly <ian.g.kelly@gmail.com> - 2014-04-08 01:53 -0600
Re: Keeping track of things with dictionaries Chris Angelico <rosuav@gmail.com> - 2014-04-08 18:00 +1000
Re: Keeping track of things with dictionaries Peter Otten <__peter__@web.de> - 2014-04-08 10:21 +0200
Re: Keeping track of things with dictionaries "Frank Millman" <frank@chagford.com> - 2014-04-08 10:26 +0200
Re: Keeping track of things with dictionaries "Frank Millman" <frank@chagford.com> - 2014-04-08 10:31 +0200
Re: Keeping track of things with dictionaries alex23 <wuwei23@gmail.com> - 2014-04-09 12:34 +1000
Re: Keeping track of things with dictionaries Chris Angelico <rosuav@gmail.com> - 2014-04-08 18:35 +1000
Re: Keeping track of things with dictionaries Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2014-04-09 12:43 +1200
Re: Keeping track of things with dictionaries Chris Angelico <rosuav@gmail.com> - 2014-04-09 12:33 +1000
Re: Keeping track of things with dictionaries alex23 <wuwei23@gmail.com> - 2014-04-09 12:45 +1000
Re: Keeping track of things with dictionaries Ian Kelly <ian.g.kelly@gmail.com> - 2014-04-08 21:19 -0600
Re: Keeping track of things with dictionaries Gene Heskett <gheskett@wdtv.com> - 2014-04-08 23:31 -0400
Re: Keeping track of things with dictionaries Ian Kelly <ian.g.kelly@gmail.com> - 2014-04-08 21:37 -0600
Re: Keeping track of things with dictionaries "Frank Millman" <frank@chagford.com> - 2014-04-08 11:28 +0200
Re: Keeping track of things with dictionaries Chris Angelico <rosuav@gmail.com> - 2014-04-08 19:34 +1000
Re: Keeping track of things with dictionaries "Frank Millman" <frank@chagford.com> - 2014-04-08 11:41 +0200
Re: Keeping track of things with dictionaries Gene Heskett <gheskett@wdtv.com> - 2014-04-09 05:51 -0400
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