[Python-Dev] transitioning from % to {} formatting (original) (raw)
INADA Naoki songofacandy at gmail.com
Mon Oct 5 03:52:31 CEST 2009
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What about using string prefix 'f'?
f"{foo} and {bar}" % something == "{foo} and {bar}.format(something)
s = f"{foo}" t = "%(bar)s" s + t # raises Exception
Transition plan: n: Just add F prefix. And adding "format_string" in future. n+1: deprecate mod() without 'F'. n+2: libraries use .format() and deprecate mod() with 'F' n+3: remove mod()
-- Naoki INADA <songofacandy at gmail.com>
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