[Python-ideas] a new namedtuple
ethan at stoneleaf.us
Mon Jul 17 22:57:08 EDT 2017
On 07/17/2017 06:34 PM, Steven D'Aprano wrote:
> On Mon, Jul 17, 2017 at 05:01:58PM -0700, Ethan Furman wrote:
>> Guido has decreed that namedtuple shall be reimplemented with speed in mind.
>> I haven't timed it (I'm hoping somebody will volunteer to be the bench mark
>> guru), I'll offer my NamedTuple implementation from my aenum  library.
> With respect Ethan, if you're going to offer up NamedTuple as a faster
> version of namedtuple, you should at least do a quick proof of
> concept to demonstrate that it actually *is* faster.
I suck at benchmarking, so thank you for providing those quick-and-dirty hints.
> Full bench marking
> can wait, but you should be able to do at least something like:
> python3 -m timeit --setup "from collections import namedtuple" \
> "K = namedtuple('K', 'a b c')"
> python3 -m timeit --setup "from aenum import NamedTuple" \
> "K = NamedTuple('K', 'a b c')"
So it seems to be faster! :)
It is also namedtuple compatible, except for the _source attribute.
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