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Date: Mon, 2 Apr 2012 07:25:32 -0700 (PDT)
From: Yingjie Lan <lanyjie@yahoo.com>
Subject: Re: string interpolation for python
To: "python-list@python.org" <python-list@python.org>
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Xref: csiph.com comp.lang.python:22468

> like this one ?=0A=0A> =0A> b =3D dict(name=3D"Sue", job=3D"SAS sharp-sho=
oter")=0A> print "$b['name']$ works as b['job']"=0A> =0A> Is it really easi=
er to read that the following ?=0A> "{0} works as {1}".format(b['name'],b['=
job'])=0A> =0A> In the case in which b is an object having "job" and "name"=
 =0A> attribute, the dynamic string will write=0A> =0A> "$b.name$ works as =
$b.job$"=0A> instead of=0A> "{0}.name works as {0}.job".format(b)=0A> =0A=
=0A=0AWhen you already have a dict, the dict-based=0Aformatting would be ni=
ce.=0A=0A>>> "%(name)s works as %(job)s"%b=0A=0AIf it you need to create a =
dict just for string=0A=0Aformatting, dynamic string would be nice.=0ASay y=
our object has methods/properties=0Athat fetch things from your database.=
=0A=0A>>> class staff:=0A...@property=0A...def name(): return 'Peter'=0A...=
=0A>>> t =3D staff()=0A>>> vars(t)=0A{}=0A>>> t.name=0A'Peter'=0A>>> d"Staf=
f name: $t.name$" #note the d"..." format=0A'Staff name: Peter'=0A=0ABecaus=
e of the d"..." format, it won't=A0=0Aaffect old ways of doing things one b=
it.=0AAllowing dynamic string wouldn't hurt=A0=0Aa bit to anything that is =
already there.