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## Summary Introduces a migration guide from `ruff-lsp` to `ruff server` and makes small updates to the `README.md`.
61 lines
2 KiB
Markdown
61 lines
2 KiB
Markdown
## Helix Setup Guide for `ruff server`
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First, open the language configuration file for Helix. On Linux and macOS, this will be at `~/.config/helix/languages.toml`,
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and on Windows this will be at `%AppData%\helix\languages.toml`.
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Add the language server by adding:
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```toml
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[language-server.ruff]
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command = "ruff"
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args = ["server", "--preview"]
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```
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Then, you'll register the language server as the one to use with Python.
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If you don't already have a language server registered to use with Python, add this to `languages.toml`:
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```toml
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[[language]]
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name = "python"
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language-servers = ["ruff"]
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```
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Otherwise, if you already have `language-servers` defined, you can simply add `"ruff"` to the list. For example,
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if you already have `pylsp` as a language server, you can modify the language entry as follows:
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```toml
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[[language]]
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name = "python"
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language-servers = ["ruff", "pylsp"]
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```
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> \[!NOTE\]
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> Multiple language servers for a single language are only supported in Helix version [`23.10`](https://github.com/helix-editor/helix/blob/master/CHANGELOG.md#2310-2023-10-24) and later.
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Once you've set up the server, you should see diagnostics in your Python files. Code actions and other LSP features should also be available.
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*This screenshot is using `select=["ALL]"` for demonstration purposes.*
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If you want to, as an example, turn on auto-formatting, add `auto-format = true`:
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```toml
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[[language]]
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name = "python"
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language-servers = ["ruff", "pylsp"]
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auto-format = true
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```
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See the [Helix documentation](https://docs.helix-editor.com/languages.html) for more settings you can use here.
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You can pass settings into `ruff server` using `[language-server.ruff.config.settings]`. For example:
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```toml
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[language-server.ruff.config.settings]
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line-length = 80
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[language-server.ruff.config.settings.lint]
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select = ["E4", "E7"]
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preview = false
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[language-server.ruff.config.settings.format]
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preview = true
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```
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