[issue14744] Use _PyUnicodeWriter API in str.format() internals

[Mark Dickinson]

Mark Dickinson <dickinsm at gmail.com> added the comment:

> Issue3451 looks much more promising for int formatting. But it will take
> a lot of time to carefully check this.

I disagree:  Issue 3451 is about *asymptotically* fast base conversion, and the changes proposed there are only going to kick in for numbers with hundreds of digits;  it's not going to affect the common case at all.

----------
nosy: +mark.dickinson

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue14744>
_______________________________________