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Editor Integrations#

VS Code (Official)#

Download the Ruff VS Code extension, which supports autofix actions, import sorting, and more.

Ruff VS Code extension

Language Server Protocol (Official)#

Ruff supports the Language Server Protocol via the ruff-lsp Python package, available on PyPI.

ruff-lsp enables Ruff to be used with any editor that supports the Language Server Protocol, including Neovim, Sublime Text, Emacs, and more.

For example, to use ruff-lsp with Neovim, install ruff-lsp from PyPI along with nvim-lspconfig. Then, add something like the following to your init.lua:

-- See: https://github.com/neovim/nvim-lspconfig/tree/54eb2a070a4f389b1be0f98070f81d23e2b1a715#suggested-configuration
local opts = { noremap=true, silent=true }
vim.keymap.set('n', '<space>e', vim.diagnostic.open_float, opts)
vim.keymap.set('n', '[d', vim.diagnostic.goto_prev, opts)
vim.keymap.set('n', ']d', vim.diagnostic.goto_next, opts)
vim.keymap.set('n', '<space>q', vim.diagnostic.setloclist, opts)

-- Use an on_attach function to only map the following keys
-- after the language server attaches to the current buffer
local on_attach = function(client, bufnr)
  -- Enable completion triggered by <c-x><c-o>
  vim.api.nvim_buf_set_option(bufnr, 'omnifunc', 'v:lua.vim.lsp.omnifunc')

  -- Mappings.
  -- See `:help vim.lsp.*` for documentation on any of the below functions
  local bufopts = { noremap=true, silent=true, buffer=bufnr }
  vim.keymap.set('n', 'gD', vim.lsp.buf.declaration, bufopts)
  vim.keymap.set('n', 'gd', vim.lsp.buf.definition, bufopts)
  vim.keymap.set('n', 'K', vim.lsp.buf.hover, bufopts)
  vim.keymap.set('n', 'gi', vim.lsp.buf.implementation, bufopts)
  vim.keymap.set('n', '<C-k>', vim.lsp.buf.signature_help, bufopts)
  vim.keymap.set('n', '<space>wa', vim.lsp.buf.add_workspace_folder, bufopts)
  vim.keymap.set('n', '<space>wr', vim.lsp.buf.remove_workspace_folder, bufopts)
  vim.keymap.set('n', '<space>wl', function()
    print(vim.inspect(vim.lsp.buf.list_workspace_folders()))
  end, bufopts)
  vim.keymap.set('n', '<space>D', vim.lsp.buf.type_definition, bufopts)
  vim.keymap.set('n', '<space>rn', vim.lsp.buf.rename, bufopts)
  vim.keymap.set('n', '<space>ca', vim.lsp.buf.code_action, bufopts)
  vim.keymap.set('n', 'gr', vim.lsp.buf.references, bufopts)
  vim.keymap.set('n', '<space>f', function() vim.lsp.buf.format { async = true } end, bufopts)
end

-- Configure `ruff-lsp`.
local configs = require 'lspconfig.configs'
if not configs.ruff_lsp then
  configs.ruff_lsp = {
    default_config = {
      cmd = { 'ruff-lsp' },
      filetypes = { 'python' },
      root_dir = require('lspconfig').util.find_git_ancestor,
      init_options = {
        settings = {
          args = {}
        }
      }
    }
  }
end
require('lspconfig').ruff_lsp.setup {
  on_attach = on_attach,
}

Upon successful installation, you should see Ruff's diagnostics surfaced directly in your editor:

Code Actions available in Neovim

To use ruff-lsp with other editors, including Sublime Text and Helix, see the ruff-lsp documentation.

Language Server Protocol (Unofficial)#

Ruff is also available as the python-lsp-ruff plugin for python-lsp-server, both of which are installable from PyPI:

pip install python-lsp-server python-lsp-ruff

The LSP server can then be used with any editor that supports the Language Server Protocol.

For example, to use python-lsp-ruff with Neovim, add something like the following to your init.lua:

require'lspconfig'.pylsp.setup {
  settings = {
    pylsp = {
      plugins = {
        ruff = {
          enabled = true
        },
        pycodestyle = {
          enabled = false
        },
        pyflakes = {
          enabled = false
        },
        mccabe = {
          enabled = false
        }
      }
    }
  },
}

Vim & Neovim#

Ruff can be integrated into any editor that supports the Language Server Protocol via ruff-lsp (see: Language Server Protocol), including Vim and Neovim.

It's recommended that you use ruff-lsp, the officially supported LSP server for Ruff. To use ruff-lsp with Neovim, install ruff-lsp from PyPI along with nvim-lspconfig. Then, add something like the following to your init.lua:

-- See: https://github.com/neovim/nvim-lspconfig/tree/54eb2a070a4f389b1be0f98070f81d23e2b1a715#suggested-configuration
local opts = { noremap=true, silent=true }
vim.keymap.set('n', '<space>e', vim.diagnostic.open_float, opts)
vim.keymap.set('n', '[d', vim.diagnostic.goto_prev, opts)
vim.keymap.set('n', ']d', vim.diagnostic.goto_next, opts)
vim.keymap.set('n', '<space>q', vim.diagnostic.setloclist, opts)

-- Use an on_attach function to only map the following keys
-- after the language server attaches to the current buffer
local on_attach = function(client, bufnr)
  -- Enable completion triggered by <c-x><c-o>
  vim.api.nvim_buf_set_option(bufnr, 'omnifunc', 'v:lua.vim.lsp.omnifunc')

  -- Mappings.
  -- See `:help vim.lsp.*` for documentation on any of the below functions
  local bufopts = { noremap=true, silent=true, buffer=bufnr }
  vim.keymap.set('n', 'gD', vim.lsp.buf.declaration, bufopts)
  vim.keymap.set('n', 'gd', vim.lsp.buf.definition, bufopts)
  vim.keymap.set('n', 'K', vim.lsp.buf.hover, bufopts)
  vim.keymap.set('n', 'gi', vim.lsp.buf.implementation, bufopts)
  vim.keymap.set('n', '<C-k>', vim.lsp.buf.signature_help, bufopts)
  vim.keymap.set('n', '<space>wa', vim.lsp.buf.add_workspace_folder, bufopts)
  vim.keymap.set('n', '<space>wr', vim.lsp.buf.remove_workspace_folder, bufopts)
  vim.keymap.set('n', '<space>wl', function()
    print(vim.inspect(vim.lsp.buf.list_workspace_folders()))
  end, bufopts)
  vim.keymap.set('n', '<space>D', vim.lsp.buf.type_definition, bufopts)
  vim.keymap.set('n', '<space>rn', vim.lsp.buf.rename, bufopts)
  vim.keymap.set('n', '<space>ca', vim.lsp.buf.code_action, bufopts)
  vim.keymap.set('n', 'gr', vim.lsp.buf.references, bufopts)
  vim.keymap.set('n', '<space>f', function() vim.lsp.buf.format { async = true } end, bufopts)
end

-- Configure `ruff-lsp`.
-- See: https://github.com/neovim/nvim-lspconfig/blob/master/doc/server_configurations.md#ruff_lsp
-- For the default config, along with instructions on how to customize the settings
require('lspconfig').ruff_lsp.setup {
  on_attach = on_attach,
  init_options = {
    settings = {
      -- Any extra CLI arguments for `ruff` go here.
      args = {},
    }
  }
}

Ruff is also available as part of the coc-pyright extension for coc.nvim.

With the ALE plugin for (Neo)Vim.
let g:ale_linters = { "python": ["ruff"] }
let g:ale_fixers = {
\       "python": ["black", "ruff"],
\}
Ruff can also be integrated via efm in just a few lines.
tools:
  python-ruff: &python-ruff
    lint-command: "ruff check --config ~/myconfigs/linters/ruff.toml --quiet ${INPUT}"
    lint-stdin: true
    lint-formats:
      - "%f:%l:%c: %m"
    format-command: "ruff check --stdin-filename ${INPUT} --config ~/myconfigs/linters/ruff.toml --fix --exit-zero --quiet -"
    format-stdin: true
For neovim users using null-ls, Ruff is already integrated.
local null_ls = require("null-ls")

null_ls.setup({
    sources = {
        null_ls.builtins.formatting.ruff,
        null_ls.builtins.diagnostics.ruff,
    }
})

PyCharm (External Tool)#

Ruff can be installed as an External Tool in PyCharm. Open the Preferences pane, then navigate to "Tools", then "External Tools". From there, add a new tool with the following configuration:

Install Ruff as an External Tool

Ruff should then appear as a runnable action:

Ruff as a runnable action

PyCharm (Unofficial)#

Ruff is also available as the Ruff plugin on the IntelliJ Marketplace (maintained by @koxudaxi).

Emacs (Unofficial)#

Ruff is available as flymake-ruff on MELPA:

(require 'flymake-ruff)
(add-hook 'python-mode-hook #'flymake-ruff-load)

TextMate (Unofficial)#

Ruff is also available via the textmate2-ruff-linter bundle for TextMate.

GitHub Actions#

GitHub Actions has everything you need to run Ruff out-of-the-box:

name: CI
on: push
jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - name: Install Python
        uses: actions/setup-python@v4
        with:
          python-version: "3.11"
      - name: Install dependencies
        run: |
          python -m pip install --upgrade pip
          pip install ruff
      # Include `--format=github` to enable automatic inline annotations.
      - name: Run Ruff
        run: ruff check --format=github .