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Modern tooling

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Modern tooling easy

How to Load and Inspect Data Files in Python

A beginner-friendly DataLoader dataclass that loads JSON or text files and provides methods to preview and inspect the data.

dataclasses file-io json
Python 
from dataclasses import dataclass, field
from pathlib import Path
import json
from typing import Any, Dict, List


@dataclass
class DataLoader:
    """Simple helper to load and inspect data files for beginners."""
    path: Path
    data: Any = field(init=False, default=None)

    def __post_init__(self) -> None:
    …
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