Adding windows build

src/viser/_client_autobuild.py

@@ -1,5 +1,5 @@
 import subprocess
-import sys
+import sys,os
 from pathlib import Path
 
 import psutil
@@ -56,19 +56,83 @@ def ensure_client_is_built() -> None:
 
     # Install nodejs and build if necessary. We assume bash is installed.
     if build:
-        env_dir = _install_sandboxed_node()
-        npx_path = env_dir / "bin" / "npx"
-        subprocess.run(
-            args=(
-                "bash -c '"
-                f"source {env_dir / 'bin' / 'activate'};"
-                f"{npx_path} yarn install;"
-                f"{npx_path} yarn run build;"
-                "'"
-            ),
-            cwd=client_dir,
-            shell=True,
-        )
+        if os.name == "nt":
+            print("Build on windows")
+            env_dir = _install_sandboxed_node_win()
+            env_dir_abs = env_dir / "Scripts"
+            # 1. 构建 Windows 路径
+            npx_path = env_dir_abs / "npx.cmd"
+            yarn_install_cmd = f"{npx_path} yarn install"
+            yarn_build_cmd = f"{npx_path} yarn run build"
+            # 激活 Node 环境并运行 yarn 命令
+            subprocess.run(["cmd", "/c", yarn_install_cmd], cwd=env_dir_abs, shell=True)
+            print('install yarn done!!!!!!!')
+            subprocess.run(["cmd", "/c", yarn_build_cmd], cwd=env_dir_abs, shell=True)
+            print('build yarn done!!!!!!')
+            # print('构建成功！！！！！！！！！！！！！！！！')
+        else:
+            print("Build on other platforms")
+            env_dir = _install_sandboxed_node()
+            npx_path = env_dir / "bin" / "npx"
+            subprocess.run(
+                args=(
+                    "bash -c '"
+                    f"source {env_dir / 'bin' / 'activate'};"
+                    f"{npx_path} yarn install;"
+                    f"{npx_path} yarn run build;"
+                    "'"
+                ),
+                cwd=client_dir,
+                shell=True,
+            )
+
+def _install_sandboxed_node_win() -> Path:
+    """Install a sandboxed copy of nodejs using nodeenv, and return a path to the
+    environment root."""
+    # 1 Set the node environment path
+    env_dir = client_dir / ".nodeenv"
+    if (env_dir / "Scripts" / "npx.cmd").exists():
+        rich.print("[bold](viser)[/bold] nodejs is set up!")
+        return env_dir
+    #######    Installing a node    you can run  in cmd :
+    # Administrator permissions Open cmd
+    # conda  activate your python
+    # python -m nodeenv --node=20.4.0  path\to\your\extern\viser\src\viser\client\.nodeenv
+    result = subprocess.run(
+        [sys.executable, "-m", "nodeenv", "--node=20.4.0", env_dir],
+        stdout=subprocess.PIPE,
+        stderr=subprocess.PIPE
+    )
+    try:
+        # 首先尝试 UTF-8 编码
+        error_output = result.stderr.decode('utf-8')
+    except UnicodeDecodeError:
+        try:
+            # 如果 UTF-8 失败，尝试使用 GBK 编码（适用于中文 Windows 系统）
+            error_output = result.stderr.decode('gbk')
+        except UnicodeDecodeError:
+            # 如果其他编码也失败，使用 'replace' 选项替换无法解码的字符
+            error_output = result.stderr.decode('utf-8', errors='replace')
+
+    print(f"Link error: {error_output}")
+    print('\n###############\n')
+    print(f"About unable to create link error: Failed to create nodejs.exe link  ")
+    print(
+        " NOTE: This error does not affect the build process and can be fixed manually if necessary.")
+    print(
+        " 1. Open Command Prompt with Administrator privileges\n 2. Navigate to the .nodeenv\\Scripts directory in your project")
+    print(
+        " 3. Run the command 'mklink nodejs.exe node.exe' to create the symbolic link\n 4. After this, it should be okay")
+    print('\n###############\n')
+
+    print('node installation complete\n安装node完成！！！！！！！！！！！！！')
+    subprocess.run(
+        args=[env_dir / "Scripts" / "npm.cmd", "install", "yarn"],
+        input="y\n".encode(),
+    )
+    print('install yarn done')
+    assert (env_dir / "Scripts" / "npx.cmd").exists()
+    return env_dir
 
 
 def _install_sandboxed_node() -> Path: