Create app.py

app.py

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+# app.py
+import streamlit as st
+from smolagents import CodeAgent, DuckDuckGoSearchTool, HfApiModel
+from huggingface_hub import login
+import warnings
+
+warnings.filterwarnings("ignore")
+
+# Set page configuration
+st.set_page_config(
+    page_title="DuckDuckGo Search Tool",
+    page_icon="🔍",
+    layout="wide",
+)
+
+# Function to initialize the API with user-provided token
+def initialize_api(token=None):
+    if token:
+        login(token)
+        try:
+            # Initialize the model
+            return HfApiModel(model_id="meta-llama/Llama-3.3-70B-Instruct")
+        except Exception as e:
+            st.error(f"Error initializing model: {str(e)}")
+            return None
+    else:
+        st.warning("Please enter your Hugging Face API token to use this app.")
+        return None
+
+# Initialize tools
+search_tool = DuckDuckGoSearchTool()
+
+# Streamlit App
+st.title("DuckDuckGo Search Tool")
+st.markdown("Search the web using DuckDuckGo and get AI-powered responses")
+
+# Initialize session state for token
+if "hf_token" not in st.session_state:
+    st.session_state.hf_token = ""
+    st.session_state.model = None
+
+# Sidebar for token input
+with st.sidebar:
+    st.title("Configuration")
+    
+    # Token input 
+    token_input = st.text_input(
+        "Enter your Hugging Face API Token:", 
+        value=st.session_state.hf_token,
+        type="password",
+        help="Get your token from huggingface.co/settings/tokens"
+    )
+    
+    if token_input != st.session_state.hf_token:
+        st.session_state.hf_token = token_input
+        # Reset model when token changes
+        st.session_state.model = None
+    
+    # Button to initialize/test the token
+    if st.button("Initialize API"):
+        with st.spinner("Testing your token..."):
+            model = initialize_api(st.session_state.hf_token)
+            if model:
+                st.session_state.model = model
+                st.success("✅ API initialized successfully!")
+            else:
+                st.error("❌ Failed to initialize the API with the provided token.")
+
+# Check if the model is initialized
+if not st.session_state.model and st.session_state.hf_token:
+    with st.spinner("Initializing model..."):
+        st.session_state.model = initialize_api(st.session_state.hf_token)
+        if st.session_state.model:
+            st.success("Model initialized successfully!")
+
+# Main content area - only show if token is provided
+if st.session_state.hf_token and st.session_state.model:
+    st.header("AI Web Search")
+    st.markdown("Ask any question and the AI will search the web for answers")
+    
+    query = st.text_input("Enter your search query:", placeholder="What are the latest advancements in renewable energy?")
+    
+    if st.button("Search"):
+        if query:
+            with st.spinner("Searching and processing..."):
+                agent = CodeAgent(tools=[search_tool], model=st.session_state.model)
+                response = agent.run(query)
+                st.success("Search complete!")
+                st.markdown("### Results")
+                st.markdown(response)
+        else:
+            st.warning("Please enter a search query")
+else:
+    # Token not provided
+    st.info("Please enter your Hugging Face API token in the sidebar to get started.")
+    
+    # Show more information to help users understand what they need
+    st.markdown("""
+    ### How to Get a Hugging Face Token
+    
+    1. Go to [huggingface.co](https://huggingface.co/) and create an account if you don't have one
+    2. Visit your [settings page](https://huggingface.co/settings/tokens)
+    3. Create a new token with read access
+    4. Copy the token and paste it in the sidebar
+    """)