Re: [Feature Request] dict.setdefault()

Date	2011-04-11 23:41 +0100
From	MRAB <python@mrabarnett.plus.com>
Subject	Re: [Feature Request] dict.setdefault()
References	<48897e75-c02c-43c7-9f46-39da4bcc406d@p16g2000vbi.googlegroups.com> <1302560207.11756.1.camel@localhost.localdomain>
Newsgroups	comp.lang.python
Message-ID	<mailman.225.1302561686.9059.python-list@python.org> (permalink)

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On 11/04/2011 23:16, Westley Martínez wrote:
> On Mon, 2011-04-11 at 14:35 -0700, rantingrick wrote:
>> setdefault should take **kw args in the case of needing to set
>> multiple defaults at one time. I would even settle for an *arg list if
>> i had to. Anything is better than...
>>
>> d.setdefault(blah, blah)
>> d.setdefault(blah, blah)
>> d.setdefault(blah, blah)
>> d.setdefault(blah, blah)
>> if blah is not blah:
>>      d.setdefault(blah, blah)
>>
>> ...nuff said.
>>
>> PS: And to counter the very *extemely* likely chance of some smart
>> arse responses
>>    * YES, i know i could create my own setdefault method but that is
>> not the point.
>>    * I know we are under the moratorium but someone had to mention it,
>>
>> --rr
>
> Go to bugs.python.org
>
I'm not sure that "setdefault" should take **kw args for this because
of its existing argument structure (key + optional value).

A new method like "updatedefault" may be better, IMHO. It would act
like "update" except that it wouldn't overwrite existing values.

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Thread

[Feature Request] dict.setdefault() rantingrick <rantingrick@gmail.com> - 2011-04-11 14:35 -0700
  Re: [Feature Request] dict.setdefault() Westley Martínez <anikom15@gmail.com> - 2011-04-11 15:16 -0700
  Re: [Feature Request] dict.setdefault() MRAB <python@mrabarnett.plus.com> - 2011-04-11 23:41 +0100
    Re: dict.setdefault() rantingrick <rantingrick@gmail.com> - 2011-04-11 19:58 -0700
      Re: dict.setdefault() Westley Martínez <anikom15@gmail.com> - 2011-04-12 07:02 -0700
  Re: [Feature Request] dict.setdefault() Chris Angelico <rosuav@gmail.com> - 2011-04-12 08:44 +1000
  Re: dict.setdefault() Raymond Hettinger <python@rcn.com> - 2011-04-11 15:49 -0700
  Re: [Feature Request] dict.setdefault() Chris Rebert <clp2@rebertia.com> - 2011-04-11 15:53 -0700
  Re: [Feature Request] dict.setdefault() MRAB <python@mrabarnett.plus.com> - 2011-04-11 23:59 +0100
  Re: [Feature Request] dict.setdefault() Tim Chase <python.list@tim.thechases.com> - 2011-04-11 18:25 -0500
    Re: dict.setdefault() Raymond Hettinger <python@rcn.com> - 2011-04-11 17:17 -0700

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