Albert-Jan Roskam wrote:
> > On 24/04/13 00:14, Albert-Jan Roskam wrote:
> >> Hello,
> >>
> >> Is there a better, *built-in* alternative for the code below? The
> >> recursion
> > works,
> >> but it feels like reinventing the wheel.
> >
> > What makes you think it is reinventing the wheel?
>
> Hi Steven,
>
> Well, using a template they way I am doing seems a very common thing to do to
> me. So I thought it
> would be part of string.Template or something similar already. Maybe I
> expected more of
> string.Template after having read a little about Django's template system for
> the past days. ;-) This
> version does not require the string module, and it's not less readable IMHO:
>
> def translate(template, args):
> """Recursively %-substitute <template> using <args> as a replacement"""
> syntax = template % args
> if "%" in syntax:
> return translate(syntax, args)
> return syntax
Just a side note, if you ever need to have a string with "%" in it, this will
recurse infinitely (or rather until Python throws an exception).
t = "Monty Python is #@!#%% %(status)s"
translate(t, {'status': 'awesome!'})
~Ramit
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