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Python developers are embracing type hints

2025318 points566 comments Software Engineering details

What is Typed Python? Why is it important for Python developers today? How to can you get started?

Are you expected to run five Python type-checkers now?

2026168 points208 comments Software Engineering details

Library maintainers may feel overwhelmed by the plurality of type checkers that exist. We offer some guidance on how to focus their efforts where they matter most.

Comparing Python Type Checkers: Typing Spec Conformance

2026119 points59 comments Software Engineering details

Learn what it means to conform to the Python typing spec, why it matters, and the conformance status of each type checker including Pyrefly, Ty, Pyright and Mypy.