Init

app.py

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+import gradio as gr
+import os
+from huggingface_hub import InferenceClient
+
+# Initialize Mistral client
+client = InferenceClient(token=os.environ.get("HF_TOKEN"))
+
+def glyfada_chat(message, history):
+    # Check if question is about Glyfada/Athens
+    message_lower = message.lower()
+    glyfada_keywords = ["glyfada", "athens", "greece", "beach", "restaurant", "food", 
+                       "shopping", "transport", "hotel", "activities", "where", "how", "what"]
+    
+    if not any(word in message_lower for word in glyfada_keywords):
+        return "I'm your Glyfada guide! 🏖️ Ask me about beaches, restaurants, shopping, or activities in Glyfada, Athens!"
+    
+    # Create system prompt for Mistral
+    system_prompt = """You are a helpful local guide for Glyfada, Athens, Greece. 
+    
+    ONLY answer questions about Glyfada, Athens, or tourism in Greece.
+    
+    Provide helpful information about:
+    - Beaches (Glyfada Beach, Asteria, Balux)
+    - Restaurants and tavernas  
+    - Shopping (Avenue Mall, Marina Flisvos)
+    - Transportation (tram, buses)
+    - Activities (golf, water sports, marina walks)
+    
+    Be friendly like a local Greek guide. Keep responses under 150 words."""
+    
+    # Prepare messages for Mistral
+    messages = [{"role": "system", "content": system_prompt}]
+    
+    # Add history
+    for msg in history:
+        messages.append({"role": msg["role"], "content": msg["content"]})
+    
+    # Add current message
+    messages.append({"role": "user", "content": message})
+    
+    try:
+        # Call Mistral via HuggingFace
+        response = client.chat.completions.create(
+            model="mistralai/Mistral-7B-Instruct-v0.3",
+            messages=messages,
+            max_tokens=200,
+            temperature=0.7
+        )
+        return response.choices[0].message.content
+    
+    except Exception as e:
+        return f"Sorry, I'm having trouble right now. Please ask me about Glyfada beaches, restaurants, or activities! Error: {str(e)}"
+
+# Create the ChatInterface
+demo = gr.ChatInterface(
+    fn=glyfada_chat,
+    type="messages",
+    title="🏖️ Glyfada Athens Guide",
+    description="Your local assistant for exploring Glyfada and the Athens Riviera!",
+    examples=[
+        "What are the best beaches in Glyfada?",
+        "Where should I eat in Glyfada?",
+        "How do I get to Glyfada from Athens?",
+        "What activities can I do in Glyfada?"
+    ]
+)
+
+demo.launch()

requirements.txt

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+gradio>=5.0.0
+transformers>=4.35.0
+torch>=2.0.0
+huggingface_hub>=0.28.1
+tokenizers>=0.15.0
+accelerate>=0.25.0
+safetensors>=0.4.0