nvim.nix/nvim/ftplugin/python.lua

-- Exit if the language server isn't available
if vim.fn.executable('pylsp') ~= 1 and vim.fn.executable('mypy') ~= 1 and vim.fn.executable('ruff') then
  return
end

local root_files = {
  'pyproject.toml',
  'setup.py',
  'setup.cfg',
  'requirements.txt',
  'Pipfile',
  'pyrightconfig.json',
  '.git',
}

vim.lsp.start({
  name = 'python-lsp-server',
  cmd = { "pylsp" },
  root_dir = vim.fs.dirname(vim.fs.find(root_files, { upward = true })[1]),
  capabilities = require('user.lsp').make_client_capabilities(),
  filetypes = { 'python' },
  on_attach = function(client, bufnr)
    require("nvim-navic").attach(client, bufnr)
    require("workspace-diagnostics").populate_workspace_diagnostics(client, bufnr)
  end,
  settings = {
    pylsp = {
      plugins = {
        mypy = { enabled = true, },
        rope = { enabled = true, },
        ruff = { enabled = true, },
      },
    },
  },
  single_file_support = true
})