dataclass_io 0.1.0

Dataclass IO

dataclass_io

Dataclass IO.

Quickstart

Reading

from dataclasses import dataclass
from dataclass_io import DataclassReader


@dataclass
class MyData:
    foo: int
    bar: str


with open("test.tsv", "w") as testfile:
    testfile.write("foo\tbar\n")
    testfile.write("1\tabc\n")
    testfile.write("2\tdef\n")

with DataclassReader("test.tsv", MyData) as reader:
    for record in reader:
        print(record.foo)

Writing

from dataclasses import dataclass
from dataclass_io import DataclassWriter


@dataclass
class MyData:
    foo: int
    bar: str


with DataclassWriter("test.tsv", MyData) as writer:
    for i in range(3):
        record = MyData(foo=i, bar="something")
        writer.write(record)