python: switch active LSP modules to ty

Author: ryantm

pkgs/modules/default.nix

@@ -53,10 +53,7 @@ let
       python = pkgs.python313;
       pypkgs = pkgs.python313Packages;
     })
-    (import ./pyright-extended {
-      nodejs = pkgs-24_11.nodejs-18_x;
-    })
-    (import ./pyright)
+    (import ./ty)
     (import ./ruff)
 
     (import ./nodejs {

pkgs/modules/python-base/default.nix

@@ -28,7 +28,7 @@ in
   description = ''
     Basic module for Python. Includes the interpreter and basic Replit
     configuration but nothing else. This may be combined with the
-    pyright-extended module.
+    ty module.
   '';
 
   replit.packages = [

pkgs/modules/python/default.nix

@@ -1,7 +1,5 @@
 { python, pypkgs }:
 { pkgs-unstable
-, pkgs-24_11
-, pkgs-23_05
 , lib
 , ...
 }:
@@ -60,11 +58,6 @@ let
     inherit pkgs python python-ld-library-path;
   };
 
-  pyright-extended = pkgs.callPackage ../../pyright-extended {
-    nodejs = pkgs-24_11.nodejs-18_x;
-    yapf = pypkgs.yapf;
-  };
-
   sitecustomize = pkgs.callPackage ./sitecustomize.nix { };
 
   uv = pkgs.callPackage ./uv {
@@ -85,7 +78,7 @@ in
   name = "Python Tools";
   displayVersion = pythonVersion;
   description = ''
-    Development tools for Python. Includes Python interpreter, Pip, Poetry, Pyright extended language server.
+    Development tools for Python. Includes Python interpreter, Pip, Poetry, and the ty language server.
   '';
 
   replit.packages = [
@@ -108,11 +101,11 @@ in
     ];
   };
 
-  replit.dev.languageServers.pyright-extended = {
-    name = "pyright-extended";
-    displayVersion = pyright-extended.version;
+  replit.dev.languageServers.ty = {
+    name = "ty";
+    displayVersion = pkgs.ty.version;
     language = "python3";
-    start = "${pyright-extended}/bin/langserver.index.js --stdio";
+    start = "${pkgs.ty}/bin/ty server";
   };
 
   replit.dev.packagers.upmPython = {

pkgs/modules/ty/default.nix

@@ -0,0 +1,19 @@
+{ pkgs, lib, ... }:
+{
+  id = "ty";
+  name = "ty LSP";
+  displayVersion = pkgs.ty.version;
+  description = ''
+    Ty is an extremely fast Python type checker from Astral with an integrated language server.
+  '';
+  replit.dev.languageServers.ty = {
+    name = "ty";
+    displayVersion = pkgs.ty.version;
+    language = "python3";
+    start = "${pkgs.ty}/bin/ty server";
+  };
+
+  replit.env = {
+    PATH = "${pkgs.ty}/bin";
+  };
+}

pkgs/upgrade-map/default.nix

@@ -25,6 +25,8 @@ let
     "go" = "go-1.19";
     "go-1.23" = "go-1.24";
     "go-1.24" = "go-1.25";
+    "pyright" = "ty";
+    "pyright-extended" = "ty";
     "r-4.3" = "r-4.4";
     "r-4.4" = "r-4.5";
     "rust" = "rust-1.69";