Update app.py

app.py

@@ -1,5 +1,28 @@
 import os
 import subprocess
+import platform
+
+# Function to install Node.js and npm if not found
+def install_nodejs_npm():
+    system = platform.system().lower()
+    if system == "linux":
+        os.system("sudo apt update")
+        os.system("sudo apt install -y nodejs npm")
+    elif system == "darwin":
+        os.system("brew install node")
+    elif system == "windows":
+        # You can provide instructions for Windows users to install Node.js manually
+        print("Please install Node.js and npm manually for Windows.")
+    else:
+        print("Unsupported operating system. Please install Node.js and npm manually for your system.")
+
+# Check if Node.js and npm are installed
+try:
+    subprocess.check_call(["node", "-v"])
+    subprocess.check_call(["npm", "-v"])
+except FileNotFoundError:
+    print("Node.js or npm not found. Installing Node.js and npm...")
+    install_nodejs_npm()
 
 # Clone the GitHub repository
 os.system("git clone https://github.com/oobabooga/text-generation-webui.git")