Added perplexity search tool

app.py

@@ -7,16 +7,39 @@ from tools.final_answer import FinalAnswerTool
 
 from Gradio_UI import GradioUI
 
+@weave.op()
+def tracked_perplexity_call(prompt: str, system_messages: str, model_name: str = "sonar-pro", assistant_meta: bool = False):
+    """Enhanced Perplexity API call with explicit model tracking."""
+    client = OpenAI(api_key=os.getenv("PERPLEXITY_API_KEY"), base_url="https://api.perplexity.ai")
+    system_message = Perplex_Assistant_Prompt
+    if assistant_meta:
+        system_message += f"\n\n{system_messages}"
+    
+    # Minimal parameters for Perplexity
+    return client.chat.completions.create(
+        model=model_name,
+        messages=[
+            {"role": "system", "content": system_message},
+            {"role": "user", "content": prompt},
+        ],
+        stream=False,
+    ).choices[0].message.content
+
 # Below is an example of a tool that does nothing. Amaze us with your creativity !
 @tool
 def my_custom_tool(arg1:str, arg2:int)-> str: #it's import to specify the return type
     #Keep this format for the description / args / args description but feel free to modify the tool
-    """A tool that does nothing yet 
+    """A tool that accesses Perplexity Sonar to search the web when the answer requires or would benefit from a real world web reference. 
     Args:
-        arg1: the first argument
-        arg2: the second argument
+        arg1: User Prompt
+        arg2: Details on the desired web search results as system message for sonar web search
     """
-    return "What magic will you build ?"
+    try:
+        sonar_response = tracked_perplexity_call(arg1, arg2)
+        return sonar_response
+    except Exception as e:
+        return f"Error using Sonar Websearch tool '{arg1} {arg2}': {str(e)}"
+
 
 @tool
 def get_current_time_in_timezone(timezone: str) -> str: