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Groups > comp.lang.python > #22455
| From | Duncan Booth <duncan.booth@invalid.invalid> |
|---|---|
| Newsgroups | comp.lang.python |
| Subject | Re: string interpolation for python |
| Date | 2012-04-02 10:19 +0000 |
| Message-ID | <XnsA02972F6CD968duncanbooth@127.0.0.1> (permalink) |
| References | (2 earlier) <1333174946.18436.YahooMailNeo@web121506.mail.ne1.yahoo.com> <jl6ma0$ptg$1@dough.gmane.org> <mailman.1200.1333352587.3037.python-list@python.org> <4f7962b0$0$29981$c3e8da3$5496439d@news.astraweb.com> <mailman.1205.1333358032.3037.python-list@python.org> |
Yingjie Lan <lanyjie@yahoo.com> wrote:
> Both template based and dict-based formatting require writing the
> identifier three times:
>>>> name = 'Peter'
>>>> "Are you %(name)s"%{'name':name}
> ΓΏ
> If dynamic string is used:
>>>> "Are you $name$?"
> Template:
>>>> Template("Are you $name?").substitute(name=name)
> It is three to one in compactness, what a magic 3!
You can avoid the duplication fairly easily:
>>> name='Peter'
>>> 'Are you {name}?'.format(**vars())
'Are you Peter?'
though if you're doing that it would be better to limit the scope to a
specific namespace.
--
Duncan Booth http://kupuguy.blogspot.com
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Re: string interpolation for python Yingjie Lan <lanyjie@yahoo.com> - 2012-04-02 00:39 -0700
Re: string interpolation for python Jussi Piitulainen <jpiitula@ling.helsinki.fi> - 2012-04-02 11:01 +0300
Re: string interpolation for python Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-04-02 08:26 +0000
Re: string interpolation for python Chris Angelico <rosuav@gmail.com> - 2012-04-02 18:47 +1000
Re: string interpolation for python Yingjie Lan <lanyjie@yahoo.com> - 2012-04-02 02:11 -0700
Re: string interpolation for python Duncan Booth <duncan.booth@invalid.invalid> - 2012-04-02 10:19 +0000
Re: string interpolation for python Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-04-02 11:54 +0000
Re: string interpolation for python Yingjie Lan <lanyjie@yahoo.com> - 2012-04-02 05:40 -0700
Re: string interpolation for python Laurent Claessens <moky.math@gmail.com> - 2012-04-02 15:02 +0200
Re: string interpolation for python Yingjie Lan <lanyjie@yahoo.com> - 2012-04-02 07:25 -0700
Re: Re: string interpolation for python Evan Driscoll <driscoll@cs.wisc.edu> - 2012-04-02 15:36 -0500
Re: string interpolation for python mwilson@the-wire.com - 2012-04-02 10:46 -0400
Re: string interpolation for python mwilson@the-wire.com - 2012-04-02 11:34 -0400
Re: string interpolation for python Yingjie Lan <lanyjie@yahoo.com> - 2012-04-02 09:02 -0700
Re: string interpolation for python rusi <rustompmody@gmail.com> - 2012-04-02 06:04 -0700
Re: string interpolation for python Yingjie Lan <lanyjie@yahoo.com> - 2012-04-02 02:17 -0700
Re: string interpolation for python alex23 <wuwei23@gmail.com> - 2012-04-02 22:47 -0700
Re: string interpolation for python Chris Angelico <rosuav@gmail.com> - 2012-04-02 19:56 +1000
Re: string interpolation for python Chris Rebert <clp2@rebertia.com> - 2012-04-02 03:23 -0700
Re: string interpolation for python Yingjie Lan <lanyjie@yahoo.com> - 2012-04-02 04:46 -0700
Re: string interpolation for python Yingjie Lan <lanyjie@yahoo.com> - 2012-04-02 05:00 -0700
Re: string interpolation for python Chris Angelico <rosuav@gmail.com> - 2012-04-03 00:58 +1000
Re: string interpolation for python Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-04-02 18:56 +0000
Re: string interpolation for python Yingjie Lan <lanyjie@yahoo.com> - 2012-04-02 08:49 -0700
Re: string interpolation for python Chris Angelico <rosuav@gmail.com> - 2012-04-03 08:38 +1000
Re: string interpolation for python Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-04-02 23:18 +0000
Re: string interpolation for python Yingjie Lan <lanyjie@yahoo.com> - 2012-04-02 18:57 -0700
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