Use keyword-only arguments in Python dataclasses
10 months ago
- #dataclasses
- #Python
- #best-practices
- Python dataclasses are useful for constructing data-holding classes, offering an alternative to dictionaries and custom classes.
- Using `kw_only=True` in dataclasses ensures initialization with keyword arguments, enhancing maintainability.
- Keyword-only initialization prevents issues from field reordering and allows subclasses to add required fields without defaults.
- This approach is particularly beneficial for library authors focusing on backward compatibility and forward extensibility.