[Python-ideas] Simplifying .format() based string interpolation

[Haoyi Li]

It already works!

from macropy.string_interp import macros, sA = 10B = 5print s["{A} +
{B} = {A + B}"]# 10 + 5 = 15

a, b = 1, 2print s["{a} apple and {b} bananas"]# 1 apple and 2 bananas



On Thu, Feb 6, 2014 at 4:11 PM, Chris Angelico <rosuav at gmail.com> wrote:

> On Fri, Feb 7, 2014 at 10:41 AM, Robert Hölzl <robert.hoelzl at posteo.de>
> wrote:
> > How about introducing new string tokens beginning with 'f',
> > which tells the parser to take over that job.
> > In this case one simply had to write:
> >
> > f"{name} is {value}  ({value:X} in hex)"
> >
> > and the parser would replace this by
> >
> > "{name} is {value}  ({value:X} in hex)".format(
> >     **collections.ChainMap(locals(), globals()) )
>
> PHP programmers would love it. Subsequent maintainers would hate it.
>
> It's way too magical for my liking.
>
> ChrisA
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