Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > comp.lang.python > #111043

Re: Namespaces are one honking great idea

From Chris Angelico <rosuav@gmail.com>
Newsgroups comp.lang.python
Subject Re: Namespaces are one honking great idea
Date 2016-07-04 21:37 +1000
Message-ID <mailman.67.1467632250.2295.python-list@python.org> (permalink)
References <57767a97$0$1606$c3e8da3$5496439d@news.astraweb.com> <nldgv7$2e0$1@ger.gmane.org> <CAPTjJmp_ydenpqRrw5iS=TmP7dywxO6FJmKkGyJ5Do__Dnktiw@mail.gmail.com>

Show all headers | View raw

On Mon, Jul 4, 2016 at 9:23 PM, jmp <jeanmichel@sequans.com> wrote:
> On 07/01/2016 04:13 PM, Steven D'Aprano wrote:
>>
>> But classes are not like the others: they must be instantiated before they
>> can be used, and they are more than just a mere namespace grouping related
>> entities. Classes support inheritance. Classes should be used for "is-a"
>> relationships, not "has-a" relationships. Although classes (and instances)
>> are namespaces, they provide fundamentally different kind of behaviour
>> than
>> modules and packages.
>
>
> A namespace would not hurt but I really don't get why you don't consider
> classes a valid and rather helpful namespace.
>
> 1/ classes do not have to be instantiated.
> 2/ the fact that classes are more than a namespace is not an argument.
> Almost any object in python is able to do more than what you are actually
> using.
> 3/ Classes are used as much as 'is-a' than 'has-a', class instances *have* a
> state usually described by attributes
> 4/ "Although classes (and instances) are namespaces, ". You seem to
> contradict yourself. It was probably a rhetorical construct but it's rather
> confusing.

Functions within the namespace can't call other functions within the
same namespace using unqualified names. This was a stated requirement.

ChrisA

Back to comp.lang.python | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

Namespaces are one honking great idea Steven D'Aprano <steve@pearwood.info> - 2016-07-02 00:13 +1000
  Re: Namespaces are one honking great idea Random832 <random832@fastmail.com> - 2016-07-01 10:40 -0400
  Re: Namespaces are one honking great idea BartC <bc@freeuk.com> - 2016-07-01 15:49 +0100
    Re: Namespaces are one honking great idea Chris Angelico <rosuav@gmail.com> - 2016-07-02 03:13 +1000
    Re: Namespaces are one honking great idea Steven D'Aprano <steve@pearwood.info> - 2016-07-02 03:46 +1000
    Re: Namespaces are one honking great idea Rustom Mody <rustompmody@gmail.com> - 2016-07-01 19:26 -0700
  Re: Namespaces are one honking great idea Ethan Furman <ethan@stoneleaf.us> - 2016-07-01 09:00 -0700
    Re: Namespaces are one honking great idea Steven D'Aprano <steve@pearwood.info> - 2016-07-02 03:10 +1000
      Re: Namespaces are one honking great idea Ethan Furman <ethan@stoneleaf.us> - 2016-07-01 12:29 -0700
        Re: Namespaces are one honking great idea Steven D'Aprano <steve@pearwood.info> - 2016-07-02 11:07 +1000
          Re: Namespaces are one honking great idea Kevin Conway <kevinjacobconway@gmail.com> - 2016-07-02 01:50 +0000
            Re: Namespaces are one honking great idea Lawrence D’Oliveiro <lawrencedo99@gmail.com> - 2016-07-01 19:55 -0700
            Re: Namespaces are one honking great idea Steven D'Aprano <steve@pearwood.info> - 2016-07-03 13:22 +1000
          Re: Namespaces are one honking great idea Random832 <random832@fastmail.com> - 2016-07-02 00:59 -0400
          Re: Namespaces are one honking great idea Kevin Conway <kevinjacobconway@gmail.com> - 2016-07-02 15:34 +0000
            Re: Namespaces are one honking great idea Steven D'Aprano <steve@pearwood.info> - 2016-07-03 13:44 +1000
              Re: Namespaces are one honking great idea Ethan Furman <ethan@stoneleaf.us> - 2016-07-02 22:14 -0700
              Re: Namespaces are one honking great idea Kevin Conway <kevinjacobconway@gmail.com> - 2016-07-03 22:02 +0000
                Re: Namespaces are one honking great idea Lawrence D’Oliveiro <lawrencedo99@gmail.com> - 2016-07-03 16:21 -0700
                Re: Namespaces are one honking great idea BartC <bc@freeuk.com> - 2016-07-04 01:19 +0100
              Re: Namespaces are one honking great idea Ethan Furman <ethan@stoneleaf.us> - 2016-07-03 21:01 -0700
          Re: Namespaces are one honking great idea Ethan Furman <ethan@stoneleaf.us> - 2016-07-02 16:28 -0700
  Re: Namespaces are one honking great idea Chris Angelico <rosuav@gmail.com> - 2016-07-04 21:37 +1000
    Re: Namespaces are one honking great idea Lawrence D’Oliveiro <lawrencedo99@gmail.com> - 2016-07-04 15:09 -0700
      Re: Namespaces are one honking great idea Lawrence D’Oliveiro <lawrencedo99@gmail.com> - 2016-07-04 15:11 -0700
  Re: Namespaces are one honking great idea jmp <jeanmichel@sequans.com> - 2016-07-04 17:58 +0200
  Re: Namespaces are one honking great idea Chris Angelico <rosuav@gmail.com> - 2016-07-05 12:58 +1000
    Re: Namespaces are one honking great idea Steven D'Aprano <steve@pearwood.info> - 2016-07-05 13:35 +1000
      Re: Namespaces are one honking great idea Chris Angelico <rosuav@gmail.com> - 2016-07-05 13:47 +1000
        Re: Namespaces are one honking great idea Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2016-07-05 16:09 +1000
          A nestedmodule decorator (Re: Namespaces are one honking great idea) Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2016-07-05 21:10 +1200
            Improved nestedmodule decorator implementation Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2016-07-05 21:31 +1200
              Re: Improved nestedmodule decorator implementation Steven D'Aprano <steve@pearwood.info> - 2016-07-05 20:54 +1000
  Re: Namespaces are one honking great idea Steven D'Aprano <steve@pearwood.info> - 2016-07-05 12:34 +1000
  Re: Namespaces are one honking great idea jmp <jeanmichel@sequans.com> - 2016-07-04 13:23 +0200
  Re: Namespaces are one honking great idea carlosjosepita@gmail.com - 2016-07-09 07:05 -0700

csiph-web