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typedload_namedtuple_dict_load_and_dump_quickstart.py

python

Demonstrate loading a dictionary into a NamedTuple and dumping it back.

15d ago29 linesltworf.github.io
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typedload_namedtuple_dict_load_and_dump_quickstart.py
1from typedload import load, dump
2from typing import NamedTuple, List
3
4class Point(NamedTuple):
5    x: float
6    y: float
7
8class Path(NamedTuple):
9    points: List[Point]
10    label: str
11
12# Data to be loaded
13data = {
14    'points': [
15        {'x': 0, 'y': 0},
16        {'x': 1, 'y': 1},
17    ],
18    'label': 'diagonal'
19}
20
21# Load the data into the NamedTuple structure
22path = load(data, Path)
23print(path)
24# Path(points=[Point(x=0.0, y=0.0), Point(x=1.0, y=1.0)], label='diagonal')
25
26# Dump it back to a dictionary
27out = dump(path)
28print(out == data)
29# True