There are examples in timemodule.c which went through a similar conversion from plain tuples to (sort-of) named tuples. I agree that upgrading the tuples returned by the socket module to named tuples would be nice, but it's a low priority project. Maybe someone interested can create a PR? (First open an issue stating that you're interested; point to this email from me to prevent that some other core dev just closes it again.)

On Mon, Jun 19, 2017 at 2:24 PM, Victor Stinner <victor.stinner@gmail.com> wrote:
Hi,

2017-06-13 22:13 GMT+02:00 Thomas Güttler <guettliml@thomas-guettler.de>:
> AFAIK the socket module returns plain tuples in Python3:
>
>   https://docs.python.org/3/library/socket.html
>
> Why not use named tuples?

For technical reasons: the socket module is mostly implemented in the
C language, and define a "named tuple" in C requires to implement a
"sequence" time which requires much more code than creating a tuple.

In short, create a tuple is as simple as Py_BuildValue("OO", item1, item2).

Creating a "sequence" type requires something like 50 lines of code,
maybe more, I don't know exactly.

Victor
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