Understanding Python dataclasses
Blog post from LogRocket
Python 3.7 introduced dataclasses, a feature that streamlines the creation of classes by automatically implementing basic functionalities, reducing the need for repetitive boilerplate code. Unlike traditional classes in object-oriented programming, which require explicit definitions of methods like `__init__`, `__repr__`, and comparison operators, dataclasses handle these automatically, allowing developers to focus on defining fields and custom behaviors. By using the `@dataclass` decorator, developers can create classes with built-in ordering and comparison capabilities, customize field behavior using the `field()` function, and manipulate attributes post-initialization with the `__post_init__` method. Additionally, dataclasses provide options to control immutability and customize object representation, making them a versatile tool for efficient and maintainable code development.