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Re: Python class and variable issue(newby question!)

References <78680654-5cf5-435c-9fce-19d6f5c23360@googlegroups.com> <mailman.3965.1364592243.2939.python-list@python.org> <51561ae3$0$29974$c3e8da3$5496439d@news.astraweb.com>
Date 2013-03-30 09:59 +1100
Subject Re: Python class and variable issue(newby question!)
From Chris Angelico <rosuav@gmail.com>
Newsgroups comp.lang.python
Message-ID <mailman.3974.1364597970.2939.python-list@python.org> (permalink)

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On Sat, Mar 30, 2013 at 9:51 AM, Steven D'Aprano
<steve+comp.lang.python@pearwood.info> wrote:
> On Sat, 30 Mar 2013 08:24:00 +1100, Chris Angelico wrote:
>
>> On Sat, Mar 30, 2013 at 8:12 AM, Sam Berry <sambez_14@hotmail.co.uk>
>> wrote:
>>> class test()
>>>     s = 1
>>>
>>>     def test1()
>>>         global s
>>>         s = 2
>
>> That's not a global, that's a class variable.
>
>
> /me thwacks Chris with a halibut.

Ow ow ow, I give in... I am suitably and appropriately thwacked.

> Not only is "class variable" ambiguous, but Python uses different scoping
> rules for "variables" (name bindings) and attributes.

Yes, I should have said class ATTRIBUTE. Sorry all! (Can I blame the
whole 8AM and still up thing? No? Mea culpa, anyhow.)

> I don't know what language first decided to conflate object attributes
> and variables -- I suspect Java -- but it is actively harmful terminology
> (in Python at least, if not in general) and whoever invented it is bad
> and should feel bad.

Agreed. Unfortunately it permeates a lot of programmer's vocabularies,
mine included.

ChrisA

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Thread

Python class and variable issue(newby question!) Sam Berry <sambez_14@hotmail.co.uk> - 2013-03-29 14:12 -0700
  Re: Python class and variable issue(newby question!) Chris Angelico <rosuav@gmail.com> - 2013-03-30 08:24 +1100
    Re: Python class and variable issue(newby question!) Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-03-29 22:51 +0000
      Re: Python class and variable issue(newby question!) Chris Angelico <rosuav@gmail.com> - 2013-03-30 09:59 +1100
  Re: Python class and variable issue(newby question!) Benjamin Kaplan <benjamin.kaplan@case.edu> - 2013-03-29 14:23 -0700
  Re: Python class and variable issue(newby question!) Sam Berry <sambez_14@hotmail.co.uk> - 2013-03-29 15:17 -0700
    Re: Python class and variable issue(newby question!) Chris Angelico <rosuav@gmail.com> - 2013-03-30 09:45 +1100
    Re: Python class and variable issue(newby question!) Dave Angel <davea@davea.name> - 2013-03-29 18:56 -0400

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