Pydantic vs Protocol Buffers vs Named Tuples vs Dataclasses

dccoords.py

import dataclasses


@dataclasses.dataclass
class DCCoord:
    x: float
    y: float
    z: float
    heading: float

@dataclasses.dataclass
class DCCoords:
    coords: list[DCCoord]

ntcoords.py

import collections


NTCoord = collections.namedtuple("NTCoord", "x y z heading")
NTCoords = collections.namedtuple("NTCoords", "coords")

pbcoords.proto

syntax = "proto3";

package protocoords;

message PBCoord {
    float x = 1;
    float y = 2;
    float z = 3;
    float heading = 4;
    }

message PBCoords {
    repeated PBCoord coords = 1;
    }

pdcoords.py

import pydantic


class PDCoord(pydantic.BaseModel):
    x: float
    y: float
    z: float
    heading: float
        
class PDCoords(pydantic.BaseModel):
    coords: list[PDCoord]