Update app.py

app.py

@@ -18,6 +18,48 @@ def my_custom_tool(arg1:str, arg2:int)-> str: #it's import to specify the return
     """
     return "What magic will you build ?"
 
+@tool
+def wikipedia_search(query: str, results_limit: int = 5) -> str:
+    """
+    A tool that searches Wikipedia for a given query and returns a summary of the top result along with other potential matches.
+
+    Args:
+        query: The search query for Wikipedia.
+        results_limit: The maximum number of search results to consider (default is 5).
+
+    Returns:
+        A string containing the top result's title and a short summary, as well as other related titles if available.
+    """
+    try:
+        import wikipedia
+    except ImportError:
+        return "The 'wikipedia' library is not installed. Please install it using 'pip install wikipedia'."
+
+    try:
+        # Perform the search using Wikipedia's API
+        search_results = wikipedia.search(query, results=results_limit)
+        if not search_results:
+            return f"No results found for '{query}'."
+
+        # Fetch summary for the top result
+        top_title = search_results[0]
+        try:
+            summary = wikipedia.summary(top_title, sentences=2)
+        except Exception as e:
+            summary = f"Could not retrieve summary for '{top_title}': {e}"
+
+        # Format additional results if available
+        other_results = search_results[1:]
+        if other_results:
+            others = ", ".join(other_results)
+            return f"Top result: {top_title}\nSummary: {summary}\nOther results: {others}"
+        else:
+            return f"Top result: {top_title}\nSummary: {summary}"
+
+    except Exception as e:
+        return f"An error occurred during the Wikipedia search: {e}"
+
+
 @tool
 def get_current_time_in_timezone(timezone: str) -> str:
     """A tool that fetches the current local time in a specified timezone.