ty
An extremely fast Python type checker and language server written in Rust, offering comprehensive diagnostics and IDE integration.
What is ty?
ty is an extremely fast Python type checker and language server written in Rust. It performs static type analysis on Python code to catch errors before runtime and provides comprehensive IDE features like code navigation, completions, and diagnostics. The project solves the performance limitations of existing Python type checkers while maintaining compatibility with Python's gradual typing system.
Python developers working on medium to large codebases who need fast, reliable type checking and enhanced IDE capabilities. Teams adopting type annotations who want better performance than mypy or Pyright.
Developers choose ty for its exceptional speed (10-100x faster than alternatives) and comprehensive language server features. Its Rust implementation provides performance advantages while maintaining full compatibility with Python's type system and gradual adoption path.
Overview
An extremely fast Python type checker and language server, written in Rust.
Use Cases
Best For
- Large Python codebases requiring fast type checking
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