Cython generates the second kind of module: C libraries that talk to Python’s internals, and that can be bundled with existing Python code. Cython code looks a lot like Python code, by design.

Pyrefly and Ty: Two new Rust-powered Python type-checking tools compared. Jun 25, 2025 5 mins. how-to. Get started with Python type hints. Jun 18, 2025 10 mins. analysis.