app.py

app.py

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+with gr.Blocks(theme=gr.themes.Soft(), title="PDF Chat Assistant") as demo:
+    with gr.Row():
+        gr.Markdown("""
+        # 📚 PDF Chat Assistant
+        ### Have natural conversations with your documents
+        """)
+    
+    with gr.Row():
+        with gr.Column(scale=1, min_width=300):
+            gr.Markdown("### Document Upload")
+            pdf_input = gr.File(
+                file_types=[".pdf"],
+                file_count="multiple",
+                label="Upload PDFs",
+                height=100
+            )
+            upload_btn = gr.Button("Process Documents", variant="primary")
+            status_box = gr.Textbox(label="Status", interactive=False)
+            gr.Markdown("""
+            **Instructions:**
+            1. Upload PDF documents
+            2. Click Process Documents
+            3. Start chatting in the right panel
+            """)
+        
+        with gr.Column(scale=2):
+            chatbot = gr.Chatbot(
+                height=600,
+                bubble_full_width=False,
+                avatar_images=(
+                    "user.png", 
+                    "bot.png"
+                )
+            )
+            
+            with gr.Row():
+                message = gr.Textbox(
+                    placeholder="Type your question about the documents...",
+                    show_label=False,
+                    container=False,
+                    scale=7,
+                    autofocus=True
+                )
+                submit_btn = gr.Button("Send", variant="primary", scale=1)
+            
+            with gr.Row():
+                clear_chat = gr.Button("🧹 Clear Conversation")
+                examples = gr.Examples(
+                    examples=[
+                        "Summarize the key points from the documents",
+                        "What are the main findings?",
+                        "Explain this in simpler terms"
+                    ],
+                    inputs=message,
+                    label="Example Questions"
+                )
+
+    # Event handlers
+    upload_btn.click(
+        fn=handle_pdf_upload,
+        inputs=pdf_input,
+        outputs=status_box
+    )
+    
+    submit_btn.click(
+        fn=user_query,
+        inputs=[message, chatbot],
+        outputs=[message, chatbot]
+    )
+    
+    message.submit(
+        fn=user_query,
+        inputs=[message, chatbot],
+        outputs=[message, chatbot]
+    )
+    
+    clear_chat.click(
+        lambda: [],
+        None,
+        chatbot,
+        queue=False
+    )