spacevim/bundle/nvim-lspconfig-0.1.4/lua/lspconfig/server_configurations/pyright.lua

local util = require 'lspconfig.util'

local bin_name = 'pyright-langserver'
local cmd = { bin_name, '--stdio' }

if vim.fn.has 'win32' == 1 then
  cmd = { 'cmd.exe', '/C', bin_name, '--stdio' }
end

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

local function organize_imports()
  local params = {
    command = 'pyright.organizeimports',
    arguments = { vim.uri_from_bufnr(0) },
  }
  vim.lsp.buf.execute_command(params)
end

return {
  default_config = {
    cmd = cmd,
    filetypes = { 'python' },
    root_dir = util.root_pattern(unpack(root_files)),
    single_file_support = true,
    settings = {
      python = {
        analysis = {
          autoSearchPaths = true,
          useLibraryCodeForTypes = true,
          diagnosticMode = 'workspace',
        },
      },
    },
  },
  commands = {
    PyrightOrganizeImports = {
      organize_imports,
      description = 'Organize Imports',
    },
  },
  docs = {
    description = [[
https://github.com/microsoft/pyright

`pyright`, a static type checker and language server for python
]],
  },
}