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Groups > comp.lang.python > #35225
| Newsgroups | comp.lang.python |
|---|---|
| Date | 2012-12-20 11:40 -0800 |
| References | (1 earlier) <kaslsb$iue$1@news.albasani.net> <CAPTjJmrLAe0i9rW6sCYkYBvpiPk2O=FHB0PgSq1dqNqh9Y7Zqg@mail.gmail.com> <mailman.1068.1355941696.29569.python-list@python.org> <1fb2010e-73e4-4025-bb93-12ce7992ddab@googlegroups.com> <mailman.1075.1355952735.29569.python-list@python.org> |
| Subject | Re: Py 3.3, unicode / upper() |
| From | wxjmfauth@gmail.com |
| Message-ID | <mailman.1110.1356037281.29569.python-list@python.org> (permalink) |
Le mercredi 19 décembre 2012 22:31:42 UTC+1, Ian a écrit :
> On Wed, Dec 19, 2012 at 2:18 PM, <wxjmfauth@gmail.com> wrote:
>
> > latin-1 (iso-8859-1) ? are you sure ?
>
>
>
> Yes.
>
>
>
> >>>> sys.getsizeof('a')
>
> > 26
>
> >>>> sys.getsizeof('ab')
>
> > 27
>
> >>>> sys.getsizeof('aé')
>
> > 39
>
>
>
> Compare to:
>
>
>
> >>> sys.getsizeof('a\u0100')
>
> 42
>
>
>
> The reason for the difference you posted is that pure ASCII strings
>
> have a further optimization, which I glossed over and which is purely
>
> a savings in overhead:
>
>
>
> >>> sys.getsizeof('abcde') - sys.getsizeof('a')
>
> 4
>
> >>> sys.getsizeof('ábçdê') - sys.getsizeof('á')
>
> 4
-----
I know all of this. And this is exactly, what I explained.
I do not care about this optimization. I'm not an ascii user.
As a non ascii user, this optimization is just irrelevant.
What should a Python user think, if he sees his strings
are comsuming more memory just because he uses non ascii
characters or he sees his strings are changing just because
he "uppercases" them.
Unicode is here to serve anybody.
jmf
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Py 3.3, unicode / upper() wxjmfauth@gmail.com - 2012-12-19 06:23 -0800
Re: Py 3.3, unicode / upper() Thomas Bach <thbach@students.uni-mainz.de> - 2012-12-19 15:43 +0100
Re: Py 3.3, unicode / upper() Christian Heimes <christian@python.org> - 2012-12-19 15:52 +0100
Re: Py 3.3, unicode / upper() wxjmfauth@gmail.com - 2012-12-19 12:55 -0800
Re: Py 3.3, unicode / upper() Ian Kelly <ian.g.kelly@gmail.com> - 2012-12-19 14:23 -0700
Re: Py 3.3, unicode / upper() wxjmfauth@gmail.com - 2012-12-20 11:42 -0800
Re: Py 3.3, unicode / upper() wxjmfauth@gmail.com - 2012-12-20 11:42 -0800
Re: Py 3.3, unicode / upper() Chris Angelico <rosuav@gmail.com> - 2012-12-20 13:01 +1100
Re: Py 3.3, unicode / upper() Westley Martínez <anikom15@gmail.com> - 2012-12-19 18:53 -0800
Re: Py 3.3, unicode / upper() wxjmfauth@gmail.com - 2012-12-19 12:55 -0800
Re: Py 3.3, unicode / upper() Stefan Krah <stefan-usenet@bytereef.org> - 2012-12-19 16:01 +0100
Re: Py 3.3, unicode / upper() Chris Angelico <rosuav@gmail.com> - 2012-12-20 02:17 +1100
Re: Py 3.3, unicode / upper() Johannes Bauer <dfnsonfsduifb@gmx.de> - 2012-12-19 16:18 +0100
Re: Py 3.3, unicode / upper() Johannes Bauer <dfnsonfsduifb@gmx.de> - 2012-12-19 16:22 +0100
Re: Py 3.3, unicode / upper() Chris Angelico <rosuav@gmail.com> - 2012-12-20 02:40 +1100
Re: Py 3.3, unicode / upper() Johannes Bauer <dfnsonfsduifb@gmx.de> - 2012-12-20 15:57 +0100
Re: Py 3.3, unicode / upper() Ian Kelly <ian.g.kelly@gmail.com> - 2012-12-19 11:27 -0700
Re: Py 3.3, unicode / upper() wxjmfauth@gmail.com - 2012-12-19 13:18 -0800
Re: Py 3.3, unicode / upper() Ian Kelly <ian.g.kelly@gmail.com> - 2012-12-19 14:31 -0700
Re: Py 3.3, unicode / upper() wxjmfauth@gmail.com - 2012-12-20 11:40 -0800
Re: Py 3.3, unicode / upper() Terry Reedy <tjreedy@udel.edu> - 2012-12-20 17:48 -0500
Re: Py 3.3, unicode / upper() Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-12-20 22:51 +0000
Re: Py 3.3, unicode / upper() wxjmfauth@gmail.com - 2012-12-20 11:40 -0800
Re: Py 3.3, unicode / upper() wxjmfauth@gmail.com - 2012-12-19 13:18 -0800
Re: Py 3.3, unicode / upper() Terry Reedy <tjreedy@udel.edu> - 2012-12-19 19:39 -0500
Re: Py 3.3, unicode / upper() Chris Angelico <rosuav@gmail.com> - 2012-12-20 13:03 +1100
Re: Py 3.3, unicode / upper() Terry Reedy <tjreedy@udel.edu> - 2012-12-19 21:54 -0500
Re: Py 3.3, unicode / upper() Westley Martínez <anikom15@gmail.com> - 2012-12-19 19:12 -0800
Re: Py 3.3, unicode / upper() Chris Angelico <rosuav@gmail.com> - 2012-12-20 14:22 +1100
Re: Py 3.3, unicode / upper() Terry Reedy <tjreedy@udel.edu> - 2012-12-20 00:32 -0500
Re: Py 3.3, unicode / upper() Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-12-20 05:51 +0000
Re: Py 3.3, unicode / upper() wxjmfauth@gmail.com - 2012-12-20 11:57 -0800
Re: Py 3.3, unicode / upper() Terry Reedy <tjreedy@udel.edu> - 2012-12-20 17:30 -0500
Re: Py 3.3, unicode / upper() wxjmfauth@gmail.com - 2012-12-20 11:57 -0800
Re: Py 3.3, unicode / upper() Serhiy Storchaka <storchaka@gmail.com> - 2012-12-27 21:00 +0200
Re: Py 3.3, unicode / upper() wxjmfauth@gmail.com - 2012-12-27 11:36 -0800
Re: Py 3.3, unicode / upper() wxjmfauth@gmail.com - 2012-12-27 11:36 -0800
Re: Py 3.3, unicode / upper() Christian Heimes <christian@python.org> - 2012-12-19 16:33 +0100
Re: Py 3.3, unicode / upper() wxjmfauth@gmail.com - 2012-12-29 11:16 -0800
Re: Py 3.3, unicode / upper() wxjmfauth@gmail.com - 2012-12-29 11:16 -0800
Re: Py 3.3, unicode / upper() Benjamin Peterson <benjamin@python.org> - 2012-12-19 20:25 +0000
Re: Py 3.3, unicode / upper() wxjmfauth@gmail.com - 2012-12-20 11:19 -0800
Re: Py 3.3, unicode / upper() MRAB <python@mrabarnett.plus.com> - 2012-12-20 20:20 +0000
Re: Py 3.3, unicode / upper() Chris Angelico <rosuav@gmail.com> - 2012-12-21 08:19 +1100
Re: Py 3.3, unicode / upper() Terry Reedy <tjreedy@udel.edu> - 2012-12-20 17:12 -0500
Re: Py 3.3, unicode / upper() Terry Reedy <tjreedy@udel.edu> - 2012-12-20 17:59 -0500
Re: Py 3.3, unicode / upper() Ian Kelly <ian.g.kelly@gmail.com> - 2012-12-20 17:34 -0700
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