[Python-Dev] [RFC] Removing pure Python implementation of OrderedDict
solipsis at pitrou.net
Tue Sep 5 09:22:48 EDT 2017
On Tue, 5 Sep 2017 17:38:06 +0900
INADA Naoki <songofacandy at gmail.com> wrote:
> Like that, how about removing OrderedDict Pure Python implementation
> from stdlib and require it to implementation?
I don't like this. The C version of OrderedDict is probably very hard
to read, while the Python version helps understand the semantics.
Also, when devising a new API, it's much easier to first try it out on
the Python version.
> I'm considering adding `OrderedDict.lru_get(key, default=None)` which
> atomically lookup key and move the key to end if found.
The Python version needn't have the same atomicity requirements as the
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