In projects configured for Ruff (ruff.toml, .ruff.toml, or pyproject.toml with a [tool.ruff] table), ruff server runs next to basedpyright as a managed pip tool: its lint diagnostics, Reformat Code / format on save, Optimize Imports and Code Cleanup's fix-all. It is listed after the type checkers, so hover, navigation and rename stay with them; projects without a Ruff configuration never start or install it. Root markers accept file#table to require a TOML table, and a hand-defined server named ruff now only overrides how the built-in one launches. Verified with the real-servers end-to-end test against ruff and basedpyright.
Co-authored-by: andreabasile <[email protected]>
A language server and the fallback servers after it in languages/*.toml now share one picker in the Language Servers details pane, for every language rather than Python only: Language server for <languages>: Automatic, each server (with its status) or None, with the Automatic order in the hint. Servers outside such a group keep their on/off checkbox. ToolInfo.alternatives lists each server's group in preference order; a regular server after a fallback starts no group with it. The Python-only picker at the top of the page is removed, and names drop a language suffix the label already states. Storage is unchanged (each server's enabled flag, global or project scope), so existing settings carry over.
Language servers can be configured from settings.toml (global or project) and Settings › Language Servers: arguments, environment, initialization options and workspace settings per server, enable/disable, and any stdio LSP server can be added for a language. Settings-only changes are pushed with workspace/didChangeConfiguration; launch changes restart the server.
Also: re-enabling a server now detaches and stops the fallback that stood in for it, and a server added from the dialog is written as its own [languageServers.<name>] table.
Claude-Session: https://claude.ai/code/session_01VUYsdXA2nkF5v6zsC93dpn
Andrea Basileтаandreabasile
l0ng-ai