Create app.py

app.py

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+import gradio as gr
+
+# Define the HTML template for embedding an external Hugging Face Space
+# Replace <space-url> with your actual Space URLs (e.g., "https://hf.co/spaces/user/app-name")
+def embed_space(space_url: str, height: int = 800) -> gr.HTML:
+    """Creates a Gradio HTML component to embed an external HF Space via iframe."""
+    iframe_html = f"""
+    <iframe
+        src="{space_url}?view=inline"
+        width="100%"
+        height="{height}px"
+        allow="microphone; camera; clipboard-read; clipboard-write;"
+        frameborder="0"
+    ></iframe>
+    """
+    return gr.HTML(iframe_html)
+
+# --- Define the Layout ---
+with gr.Blocks(theme=gr.themes.Monochrome()) as dashboard_app:
+    gr.Markdown(
+        """
+        # 🚀 Professional ML Dashboard Hub
+        Welcome to the central hub for all our machine learning applications.
+        """
+    )
+    
+    with gr.Tabs():
+        
+        # 1. Local App Tab (Integrated Directly)
+        # This is for apps whose code is running within this main Gradio instance
+        with gr.Tab("Data Analyzer"):
+            gr.Markdown("## Local Data Analysis Tool")
+            
+            with gr.Row():
+                name_input = gr.Textbox(label="Enter Name")
+                greeting_output = gr.Textbox(label="Greeting")
+            
+            def greet(name):
+                return f"Hello, {name}! Ready to analyze your data."
+                
+            name_input.change(fn=greet, inputs=name_input, outputs=greeting_output)
+            
+        # 2. External Space 1 Tab (Embedded via iframe)
+        # Replace the placeholder URL with your actual Space URL
+        with gr.Tab("Image Classifier"):
+            gr.Markdown("## External Image Classification Space")
+            embed_space("https://hf.co/spaces/gradio/image-classification", height=700)
+            
+        # 3. External Space 2 Tab (Embedded via iframe)
+        # Replace the placeholder URL with your actual Space URL
+        with gr.Tab("LLM Chatbot"):
+            gr.Markdown("## External LLM Chatbot Space")
+            embed_space("https://hf.co/spaces/HuggingFaceH4/open-llm-leaderboard", height=700)
+
+# Launch the app
+dashboard_app.launch()