Update agent.py

agent.py

@@ -1,6 +1,6 @@
 import os
 from dotenv import load_dotenv
-
+from duckduckgo_search import ddg
 load_dotenv()
 
 # --- Supabase Setup (only if credentials are provided) ---
@@ -71,19 +71,32 @@ def wiki_search(query: str) -> str:
 
 @tool
 def web_search(query: str) -> str:
-    """Search the web using Tavily and return up to 3 results"""
-    try:
-        tavily_api_key = os.getenv("TAVILY_API_KEY")
-        if not tavily_api_key:
-            return "Web search unavailable: TAVILY_API_KEY not configured"
+    """
+    Search the web using DuckDuckGo and return the top 3 results
+    (title, URL, and snippet).
+    """
+    results = ddg(query, max_results=3) or []
+    formatted = []
+    for r in results:
+        title = r.get("title", "").strip()
+        url   = r.get("href", "").strip()
+        body  = r.get("body", "").strip()
+        formatted.append(f"• **{title}**\n  {url}\n  _{body}_")
+    return "\n\n".join(formatted)
+# def web_search(query: str) -> str:
+#     """Search the web using Tavily and return up to 3 results"""
+#     try:
+#         tavily_api_key = os.getenv("TAVILY_API_KEY")
+#         if not tavily_api_key:
+#             return "Web search unavailable: TAVILY_API_KEY not configured"
         
-        search_tool = TavilySearchResults(max_results=3, api_key=tavily_api_key)
-        docs = search_tool.invoke({"query": query})
-        return "\n\n---\n\n".join(
-            f'<Document source="{doc.get("url", "Unknown")}"/>\n{doc.get("content", "")}' for doc in docs
-        )
-    except Exception as e:
-        return f"Web search failed: {str(e)}"
+#         search_tool = TavilySearchResults(max_results=3, api_key=tavily_api_key)
+#         docs = search_tool.invoke({"query": query})
+#         return "\n\n---\n\n".join(
+#             f'<Document source="{doc.get("url", "Unknown")}"/>\n{doc.get("content", "")}' for doc in docs
+#         )
+#     except Exception as e:
+#         return f"Web search failed: {str(e)}"
 
 @tool
 def arxiv_search(query: str) -> str: