Eglot provides built-in LSP support in modern Emacs, giving developers a native interface for autocompletion, linting, and formatting. When paired with python-lsp-server (pylsp), creating a Python development environment comes down to managing the LSP server configuration properly. Historically, setting up this toolchain required wiring together a stack of individual utilities such as flake8 and isort. Now, ruff stands entirely apart from that legacy ecosystem by consolidating all of those separate checks into a single, high-performance Rust binary. This article demonstrates how to configure Eglot to detect and use Ruff dynamically when it is present on your system, while retaining a … Continue reading →