1 files changed, 66 insertions, 0 deletions
diff --git a/.config/nvim/lsp/basedpyright.lua b/.config/nvim/lsp/basedpyright.lua
new file mode 100644
index 0000000..5f54c3d
--- /dev/null
+++ b/.config/nvim/lsp/basedpyright.lua
@@ -0,0 +1,66 @@
+---@brief
+---
+--- https://detachhead.github.io/basedpyright
+---
+--- `basedpyright`, a static type checker and language server for python
+
+local function set_python_path(command)
+  local path = command.args
+  local clients = vim.lsp.get_clients {
+    bufnr = vim.api.nvim_get_current_buf(),
+    name = 'basedpyright',
+  }
+  for _, client in ipairs(clients) do
+    if client.settings then
+      client.settings.python = vim.tbl_deep_extend('force', client.settings.python or {}, { pythonPath = path })
+    else
+      client.config.settings = vim.tbl_deep_extend('force', client.config.settings, { python = { pythonPath = path } })
+    end
+    client:notify('workspace/didChangeConfiguration', { settings = nil })
+  end
+end
+
+---@type vim.lsp.Config
+return {
+  cmd = { 'basedpyright-langserver', '--stdio' },
+  filetypes = { 'python' },
+  root_markers = {
+    'pyproject.toml',
+    'setup.py',
+    'setup.cfg',
+    'requirements.txt',
+    'Pipfile',
+    'pyrightconfig.json',
+    '.git',
+  },
+  settings = {
+    basedpyright = {
+      analysis = {
+        autoSearchPaths = true,
+        useLibraryCodeForTypes = true,
+        diagnosticMode = 'openFilesOnly',
+      },
+    },
+  },
+  on_attach = function(client, bufnr)
+    vim.api.nvim_buf_create_user_command(bufnr, 'LspPyrightOrganizeImports', function()
+      local params = {
+        command = 'basedpyright.organizeimports',
+        arguments = { vim.uri_from_bufnr(bufnr) },
+      }
+
+      -- Using client.request() directly because "basedpyright.organizeimports" is private
+      -- (not advertised via capabilities), which client:exec_cmd() refuses to call.
+      -- https://github.com/neovim/neovim/blob/c333d64663d3b6e0dd9aa440e433d346af4a3d81/runtime/lua/vim/lsp/client.lua#L1024-L1030
+      client.request('workspace/executeCommand', params, nil, bufnr)
+    end, {
+      desc = 'Organize Imports',
+    })
+
+    vim.api.nvim_buf_create_user_command(bufnr, 'LspPyrightSetPythonPath', set_python_path, {
+      desc = 'Reconfigure basedpyright with the provided python path',
+      nargs = 1,
+      complete = 'file',
+    })
+  end,
+}