From d2c16592644f703e896b4acb500fa8b8b8635be5 Mon Sep 17 00:00:00 2001
From: n24q02m <quangminh2422004@gmail.com>
Date: Mon, 23 Feb 2026 17:22:17 +0700
Subject: [PATCH] feat(lsp): enable ty and add ruff lsp support for python

---
 packages/opencode/src/lsp/index.ts  |  4 +---
 packages/opencode/src/lsp/server.ts | 34 +++++++++++++++++++++++++----
 2 files changed, 31 insertions(+), 7 deletions(-)

diff --git a/packages/opencode/src/lsp/index.ts b/packages/opencode/src/lsp/index.ts
index 9d7d30632ab3..77c6b0bc6f4c 100644
--- a/packages/opencode/src/lsp/index.ts
+++ b/packages/opencode/src/lsp/index.ts
@@ -70,9 +70,7 @@ export namespace LSP {
       }
     } else {
       // If experimental flag is disabled, disable ty
-      if (servers["ty"]) {
-        delete servers["ty"]
-      }
+      if (servers["ty"]) delete servers["ty"]
     }
   }
 
diff --git a/packages/opencode/src/lsp/server.ts b/packages/opencode/src/lsp/server.ts
index a4ebeb5a2567..ed75aa588d7e 100644
--- a/packages/opencode/src/lsp/server.ts
+++ b/packages/opencode/src/lsp/server.ts
@@ -451,10 +451,6 @@ export namespace LSPServer {
       "pyrightconfig.json",
     ]),
     async spawn(root) {
-      if (!Flag.OPENCODE_EXPERIMENTAL_LSP_TY) {
-        return undefined
-      }
-
       let binary = Bun.which("ty")
 
       const initialization: Record<string, string> = {}
@@ -502,6 +498,36 @@ export namespace LSPServer {
     },
   }
 
+  export const Ruff: Info = {
+    id: "ruff",
+    extensions: [".py", ".pyi"],
+    root: NearestRoot([
+      "pyproject.toml",
+      "ruff.toml",
+      ".ruff.toml",
+      "setup.py",
+      "setup.cfg",
+      "requirements.txt",
+      "Pipfile",
+    ]),
+    async spawn(root) {
+      let binary = Bun.which("ruff")
+
+      if (!binary) {
+        log.error("ruff not found, please install ruff first")
+        return
+      }
+
+      const proc = spawn(binary, ["server"], {
+        cwd: root,
+      })
+
+      return {
+        process: proc,
+      }
+    },
+  }
+
   export const Pyright: Info = {
     id: "pyright",
     extensions: [".py", ".pyi"],