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Groups > comp.lang.python > #91261
| Newsgroups | comp.lang.python |
|---|---|
| Date | 2015-05-26 13:04 -0700 |
| References | <551c8229-f426-45f0-a0ee-fdad1b161f59@googlegroups.com> <877frvf7f2.fsf@elektro.pacujo.net> |
| Message-ID | <9f9498a5-8291-4347-aef2-ada324bb47a7@googlegroups.com> (permalink) |
| Subject | Re: should "self" be changed? |
| From | Ned Batchelder <ned@nedbatchelder.com> |
On Tuesday, May 26, 2015 at 3:47:20 PM UTC-4, Marko Rauhamaa wrote:
> zipher <dreamingforward@gmail.com>:
>
> > Would it be prudent to rid the long-standing "argument" (pun
> > unintended) about self and the ulterior spellings of it, by changing
> > it into a symbol rather than a name?
> >
> > Something like:
> >
> > class MyClass(object):
> >
> > def __init__(@):
> > @.dummy = None
> >
> > OR, even better, getting *rid of it* in the parameter list, so it
> > stops confusing people about how many parameters a method needs, and
> > transform it into a true *operator*.
>
> Python's practice works. However, a small problem is presented by nested
> classes:
>
> class Connection:
> def __init__(self):
> class Idle:
> def signal_start(self):
> # how to refer to the outer self
> :
> :
>
> Solutions include:
>
> ...
>
> class Connection:
> def __init__(self):
> conn = self
> class Idle:
> def signal_start(self):
> conn.set_state(Ready)
> :
>
>
> I have used the latter method recently.
I would find it much clearer to not use a nested class
at all, and instead to pass the object into the constructor:
class Idle:
def __init__(self, conn):
self.conn = conn
def signal_start(self):
self.conn.set_state(Ready)
class Connection:
def __init__(self):
something(Idle(self))
--Ned.
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should "self" be changed? zipher <dreamingforward@gmail.com> - 2015-05-26 09:37 -0700
Re: should "self" be changed? Laura Creighton <lac@openend.se> - 2015-05-26 18:57 +0200
Re: should "self" be changed? zipher <dreamingforward@gmail.com> - 2015-05-26 20:01 -0700
Re: should "self" be changed? zipher <dreamingforward@gmail.com> - 2015-05-26 20:15 -0700
Re: should "self" be changed? Laurent Pointal <laurent.pointal@free.fr> - 2015-05-26 18:59 +0200
Re: should "self" be changed? Mark Lawrence <breamoreboy@yahoo.co.uk> - 2015-05-26 18:28 +0100
Re: should "self" be changed? zipher <dreamingforward@gmail.com> - 2015-05-26 19:48 -0700
Re: should "self" be changed? zipher <dreamingforward@gmail.com> - 2015-05-26 20:17 -0700
Re: should "self" be changed? Ben Finney <ben+python@benfinney.id.au> - 2015-05-27 14:39 +1000
Re: should "self" be changed? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-05-27 15:47 +1000
Re: should "self" be changed? Ben Finney <ben+python@benfinney.id.au> - 2015-05-27 21:29 +1000
Re: should "self" be changed? zipher <dreamingforward@gmail.com> - 2015-05-27 05:40 -0700
Re: should "self" be changed? Todd <toddrjen@gmail.com> - 2015-05-27 15:00 +0200
Re: should "self" be changed? Grant Edwards <invalid@invalid.invalid> - 2015-05-27 14:19 +0000
Re: should "self" be changed? zipher <dreamingforward@gmail.com> - 2015-05-30 16:18 -0700
Re: should "self" be changed? zipher <dreamingforward@gmail.com> - 2015-05-30 16:10 -0700
Re: should "self" be changed? zipher <dreamingforward@gmail.com> - 2015-05-30 16:13 -0700
Re: should "self" be changed? Chris Angelico <rosuav@gmail.com> - 2015-05-27 03:31 +1000
Re: should "self" be changed? random832@fastmail.us - 2015-05-26 14:11 -0400
Re: should "self" be changed? Marko Rauhamaa <marko@pacujo.net> - 2015-05-26 22:46 +0300
Re: should "self" be changed? Ned Batchelder <ned@nedbatchelder.com> - 2015-05-26 13:04 -0700
Re: should "self" be changed? Marko Rauhamaa <marko@pacujo.net> - 2015-05-26 23:36 +0300
Re: should "self" be changed? Anssi Saari <as@sci.fi> - 2015-05-28 17:07 +0300
Re: should "self" be changed? Marko Rauhamaa <marko@pacujo.net> - 2015-05-28 18:01 +0300
Re: should "self" be changed? Ian Kelly <ian.g.kelly@gmail.com> - 2015-05-28 09:40 -0600
Re: should "self" be changed? Marko Rauhamaa <marko@pacujo.net> - 2015-05-28 19:59 +0300
Re: should "self" be changed? Chris Angelico <rosuav@gmail.com> - 2015-05-29 03:06 +1000
Re: should "self" be changed? zipher <dreamingforward@gmail.com> - 2015-05-30 16:39 -0700
Re: should "self" be changed? Steven D'Aprano <steve@pearwood.info> - 2015-05-29 12:00 +1000
Re: should "self" be changed? Steven D'Aprano <steve@pearwood.info> - 2015-05-29 15:46 +1000
Re: should "self" be changed? Steven D'Aprano <steve@pearwood.info> - 2015-06-03 02:50 +1000
Re: should "self" be changed? "Dr. BigCock" <dreamingforward@gmail.com> - 2015-06-02 10:16 -0700
Re: should "self" be changed? Marko Rauhamaa <marko@pacujo.net> - 2015-06-02 20:19 +0300
Re: should "self" be changed? "Dr. Bigcock" <dreamingforward@gmail.com> - 2015-06-02 11:02 -0700
Re: should "self" be changed? Ian Kelly <ian.g.kelly@gmail.com> - 2015-06-02 19:39 -0600
Re: should "self" be changed? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-06-03 17:05 +1000
Re: should "self" be changed? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-05-27 15:20 +1000
Re: should "self" be changed? garabik-news-2005-05@kassiopeia.juls.savba.sk - 2015-05-26 20:26 +0000
Re: should "self" be changed? Mark Lawrence <breamoreboy@yahoo.co.uk> - 2015-05-26 21:45 +0100
Re: should "self" be changed? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-05-27 15:23 +1000
Re: should "self" be changed? Chris Angelico <rosuav@gmail.com> - 2015-05-27 16:32 +1000
Re: should "self" be changed? Marko Rauhamaa <marko@pacujo.net> - 2015-05-27 10:39 +0300
Re: should "self" be changed? Chris Angelico <rosuav@gmail.com> - 2015-05-27 18:20 +1000
Re: should "self" be changed? zipher <dreamingforward@gmail.com> - 2015-05-30 16:15 -0700
Re: should "self" be changed? Terry Reedy <tjreedy@udel.edu> - 2015-05-27 17:59 -0400
Re: should "self" be changed? Vito De Tullio <vito.detullio@gmail.com> - 2015-05-26 23:17 +0200
Re: should "self" be changed? Tim Chase <python.list@tim.thechases.com> - 2015-05-26 16:10 -0500
Re: should "self" be changed? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-05-27 15:17 +1000
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