I've followed all the posts in this thread, and although my particular opinion has little significance, I'm definitely -1 on this idea (or actually -1000). To my mind is that we have already gone vastly too far in proliferating near synonyms for templating strings. Right now, I can type:
"My name is %(first)s %(last)s" % (**locals())
Or:
"My name is {first} {last}".format(**locals())
Or:
string.Template("My name is $first $last").substitute(**locals())
And they all mean the same thing, with pretty much the same capabilities. I REALLY don't want a 4th or 5th way to spell the same thing... let alone one with weird semantics with lots of edge cases that are almost impossible to teach. I really DO NOT want to spell the same thing as f"..." or !"...", let alone have every single string magically become a runtime evaluated complex object like "My name is \{first}". Yes, I know the oddball edge cases each style supports are slightly different... but that's exactly the problem. It's yet another thing to address an ever-so-slightly different case, where the actual differences are impossible to explain to students; and where there's frankly nothing you can't do with just a couple extra characters using str.format() right now. Yours, David... On Sun, Jul 19, 2015 at 4:12 PM, Mike Miller <python-ideas@mgmiller.net> wrote:
Have long wished python could format strings easily like bash or perl do, ... and then it hit me:
csstext += f'{nl}{selector}{space}{{{nl}'
(This script included whitespace vars to provide a minification option.)
I've seen others make similar suggestions, but to my knowledge they didn't include this pleasing brevity aspect.
-Mike
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