
## Summary This PR adds documentation for the Ruff language server. It mainly does the following: 1. Combines various READMEs containing instructions for different editor setup in their respective section on the online docs 2. Provide an enumerated list of server settings. Additionally, it also provides a section for VS Code specific options. 3. Adds a "Features" section which enumerates all the current capabilities of the native server For (2), the settings documentation is done manually but a future improvement (easier after `ruff-lsp` is deprecated) is to move the docs in to Rust struct and generate the documentation from the code itself. And, the VS Code extension specific options can be generated by diffing against the `package.json` in `ruff-vscode` repository. ### Structure 1. Setup: This section contains the configuration for setting up the language server for different editors 2. Features: This section contains a list of capabilities provided by the server along with short GIF to showcase it 3. Settings: This section contains an enumerated list of settings in a similar format to the one for the linter / formatter 4. Migrating from `ruff-lsp` > [!NOTE] > > The settings page is manually written but could possibly be auto-generated via a macro similar to `OptionsMetadata` on the `ClientSettings` struct resolves: #11217 ## Test Plan Generate and open the documentation locally using: 1. `python scripts/generate_mkdocs.py` 2. `mkdocs serve -f mkdocs.insiders.yml`
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Editor Integrations
Ruff can be integrated with various editors and IDEs to provide a seamless development experience. This section provides instructions on how to set up Ruff with your editor and configure it to your liking.
Language Server Protocol
The editor integration is mainly powered by the Ruff Language Server which implements the
Language Server Protocol. The server is
written in Rust and is available as part of the ruff
CLI via ruff server
. It is a single, common
backend built directly into Ruff, and a direct replacement for ruff-lsp
,
our previous language server. You can read more about ruff server
in the
v0.4.5
blog post.
The server supports surfacing Ruff diagnostics, providing Code Actions to fix them, and formatting the code using Ruff's built-in formatter. Currently, the server is intended to be used alongside another Python Language Server in order to support features like navigation and autocompletion.
The Ruff Language Server was available first in Ruff v0.4.5 in beta and stabilized in Ruff v0.5.3.
!!! note
This is the documentation for Ruff's built-in language server written in Rust (ruff server
).
If you are looking for the documentation for the ruff-lsp
language server, please refer to the
README of the ruff-lsp
repository.