[Python-Dev] Decision of having a deprecation period or not for changing csv.DictReader returning type.

INADA Naoki songofacandy at gmail.com
Sun Dec 17 13:24:05 EST 2017

On Mon, Dec 18, 2017 at 12:46 AM, Guido van Rossum <guido at python.org> wrote:
> My gut suggests me not to do this (neither here nor in other similar cases).
> I doubt there's much of a performance benefit anyway.

OrderedDict uses 2x memory than dict.
So it affects memory usage of applications loading large CSV with DictReader.

While I think application should use tuple when memory consumption is
matter, there is significant benefit.

INADA Naoki  <songofacandy at gmail.com>

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