feat(languages): Add Python

nix/neovim-overlay.nix

@@ -128,10 +128,16 @@ with final.pkgs.lib; let
     asm-lsp # Assembly language server
     clang-tools # C/C++ language server
     (callPackage ./cpptools.nix {}) # C/C++ debugger from VSCode | https://github.com/microsoft/vscode-cpptools
+    nil # nix LSP
     nodePackages.bash-language-server # Bash language server
     lua-language-server
-    nil # nix LSP
-  ];
+  ] ++ [ (pkgs.python312.withPackages (python-pkgs: [
+      python-pkgs.python-lsp-server
+      python-pkgs.python-lsp-ruff
+      python-pkgs.pylsp-mypy
+      python-pkgs.pylsp-rope
+    ]))];
+
 in {
   # This is the neovim derivation
   # returned by the overlay

nvim/ftplugin/python.lua

@@ -0,0 +1,36 @@
+-- Exit if the language server isn't available
+if vim.fn.executable('pylsp') ~= 1 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
+})