string interpolation for python

[Chris Angelico]

On Mon, Apr 2, 2012 at 6:26 PM, Steven D'Aprano
<steve+comp.lang.python at pearwood.info> wrote:
> On Mon, 02 Apr 2012 00:39:42 -0700, Yingjie Lan wrote:
>> The compiler can choose to convert it into a string
>> formatting expression, of course. To efficiently format strings at
>> runtime, the best choice (especially
>> for safty reasons) is string formatting, not evaluating a dynamic
>> string.
>
> So you're suggesting that we should have dynamic strings, but not
> actually use dynamic strings. The compiler should just convert them to
> regular string formatting.
>
> Why not cut out the middle-man and just use regular string formatting?

Actually, this sounds like a job for a precompiler/preprocessor. Do
whatever translations you want on your code, then turn it into a .py
file for execution. But hardly necessary, as there are already two -
err, three, I stand corrected - perfectly good ways to do it.

ChrisA