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Re: Is vars() the most useless Python built-in ever?

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From Serhiy Storchaka <storchaka@gmail.com>
Newsgroups comp.lang.python
Subject Re: Is vars() the most useless Python built-in ever?
Date Fri, 4 Dec 2015 10:42:16 +0200
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On 02.12.15 11:28, Chris Angelico wrote:
> On Wed, Dec 2, 2015 at 7:22 PM, Serhiy Storchaka <storchaka@gmail.com> wrote:
>> On 01.12.15 03:00, Steven D'Aprano wrote:
>>> I'm trying to understand why vars() exists. Does anyone use it?
>> I use vars() exclusively for introspection in interactive environment. As
>> well as dir() and help(). Sad that it doesn't work with __slots__.
> Maybe the upshot of all this is a post to python-ideas recommending
> that vars() grow support for __slots__ types? If it's most often used
> interactively, this would make it more useful there, and it wouldn't
> break backward compatibility unless there's some way that people are
> depending on it raising an exception.

It already was discussed few times. And there is even open issue for 
this: http://bugs.python.org/issue13290.

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Thread

Is vars() the most useless Python built-in ever? Steven D'Aprano <steve@pearwood.info> - 2015-12-01 12:00 +1100
  Re: Is vars() the most useless Python built-in ever? Josef Pktd <josef.pktd@gmail.com> - 2015-11-30 19:45 -0800
  Re: Is vars() the most useless Python built-in ever? Rick Johnson <rantingrickjohnson@gmail.com> - 2015-11-30 21:54 -0800
    Re: Is vars() the most useless Python built-in ever? Marko Rauhamaa <marko@pacujo.net> - 2015-12-01 09:34 +0200
      Re: Is vars() the most useless Python built-in ever? Rick Johnson <rantingrickjohnson@gmail.com> - 2015-12-11 13:06 -0800
    Re: Is vars() the most useless Python built-in ever? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-12-01 18:55 +1100
      Re: Is vars() the most useless Python built-in ever? Rick Johnson <rantingrickjohnson@gmail.com> - 2015-12-01 12:33 -0800
        Re: Is vars() the most useless Python built-in ever? Steven D'Aprano <steve@pearwood.info> - 2015-12-02 11:57 +1100
        Re: Is vars() the most useless Python built-in ever? Ian Kelly <ian.g.kelly@gmail.com> - 2015-12-01 22:48 -0600
          Re: Is vars() the most useless Python built-in ever? Rick Johnson <rantingrickjohnson@gmail.com> - 2015-12-11 14:13 -0800
            Re: Is vars() the most useless Python built-in ever? Steven D'Aprano <steve@pearwood.info> - 2015-12-12 15:44 +1100
              Re: Is vars() the most useless Python built-in ever? Chris Angelico <rosuav@gmail.com> - 2015-12-12 16:56 +1100
              Re: Is vars() the most useless Python built-in ever? Rick Johnson <rantingrickjohnson@gmail.com> - 2015-12-14 18:33 -0800
      Re: Is vars() the most useless Python built-in ever? Ben Finney <ben+python@benfinney.id.au> - 2015-12-02 12:47 +1100
    Re: Is vars() the most useless Python built-in ever? John Gordon <gordon@panix.com> - 2015-12-01 16:56 +0000
      Re: Is vars() the most useless Python built-in ever? Rick Johnson <rantingrickjohnson@gmail.com> - 2015-12-01 13:15 -0800
        Re: Is vars() the most useless Python built-in ever? "Albert Visser" <albert.visser@gmail.com> - 2015-12-02 19:08 +0100
    Re: Is vars() the most useless Python built-in ever? Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2015-12-02 13:14 +1300
  Re: Is vars() the most useless Python built-in ever? eryk sun <eryksun@gmail.com> - 2015-12-01 01:22 -0600
    Re: Is vars() the most useless Python built-in ever? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-12-01 18:57 +1100
  Re: Is vars() the most useless Python built-in ever? Manolo Martínez <manolo@austrohungaro.com> - 2015-12-01 09:44 +0100
    Re: Is vars() the most useless Python built-in ever? Steven D'Aprano <steve@pearwood.info> - 2015-12-02 12:12 +1100
      Re: Is vars() the most useless Python built-in ever? Peter Otten <__peter__@web.de> - 2015-12-02 08:51 +0100
  Re: Is vars() the most useless Python built-in ever? Peter Otten <__peter__@web.de> - 2015-12-01 11:40 +0100
  Re: Is vars() the most useless Python built-in ever? Manolo Martínez <manolo@austrohungaro.com> - 2015-12-01 22:31 +0100
  Re: Is vars() the most useless Python built-in ever? Peter Otten <__peter__@web.de> - 2015-12-01 23:41 +0100
  Re: Is vars() the most useless Python built-in ever? boB Stepp <robertvstepp@gmail.com> - 2015-12-01 20:20 -0600
  Re: Is vars() the most useless Python built-in ever? wxjmfauth@gmail.com - 2015-12-01 23:46 -0800
  Re: Is vars() the most useless Python built-in ever? Serhiy Storchaka <storchaka@gmail.com> - 2015-12-02 10:22 +0200
  Re: Is vars() the most useless Python built-in ever? Manolo Martínez <manolo@austrohungaro.com> - 2015-12-02 10:09 +0100
  Re: Is vars() the most useless Python built-in ever? Chris Angelico <rosuav@gmail.com> - 2015-12-02 20:28 +1100
  Re: Is vars() the most useless Python built-in ever? Chris Angelico <rosuav@gmail.com> - 2015-12-02 20:33 +1100
  Re: Is vars() the most useless Python built-in ever? Manolo Martínez <manolo@austrohungaro.com> - 2015-12-02 10:40 +0100
  Re: Is vars() the most useless Python built-in ever? Peter Otten <__peter__@web.de> - 2015-12-02 11:48 +0100
  Re: Is vars() the most useless Python built-in ever? Chris Angelico <rosuav@gmail.com> - 2015-12-02 22:02 +1100
  Re: Is vars() the most useless Python built-in ever? eryk sun <eryksun@gmail.com> - 2015-12-02 05:34 -0600
  Re: Is vars() the most useless Python built-in ever? Serhiy Storchaka <storchaka@gmail.com> - 2015-12-04 10:42 +0200

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