ty

About this project

ty An extremely fast Python type checker and language server, written in Rust. Type checking the home-assistant project without caching. ty is backed by Astral, the creators of uv and Ruff. ty is currently in beta. Highlights — 10x - 100x faster than mypy and Pyright — Comprehensive diagnostics with rich contextual information — Configurable rule levels, per-file overrides, suppression comments, and first-class project support — Designed for adoption, with support for redeclarations and partially typed code — Language server with code navigation, completions, code actions, auto-import, inlay hints, on-hover help, etc. — Fine-grained incremental analysis…

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