Update app.py

app.py

@@ -8,20 +8,45 @@ from Gradio_UI import GradioUI
 
 @tool
 def get_current_time_in_timezone(timezone: str) -> str:
-    """Return the current time in the specified timezone."""
+    """A tool that fetches the current local time in a specified timezone.
+    
+    Args:
+        timezone: A string representing a valid timezone (e.g., 'America/New_York').
+    
+    Returns:
+        The current local time as a formatted string.
+    """
     try:
         tz = pytz.timezone(timezone)
-        time_now = datetime.datetime.now(tz).strftime("%Y-%m-%d %H:%M:%S")
-        return f"The current local time in {timezone} is: {time_now}"
+        local_time = datetime.datetime.now(tz).strftime("%Y-%m-%d %H:%M:%S")
+        return f"The current local time in {timezone} is: {local_time}"
     except Exception as e:
-        return f"Error: {e}"
+        return f"Error fetching time for timezone '{timezone}': {str(e)}"
+
+
+@tool
+def random_welcome_message(name: str) -> str:
+    """Generate a random welcome message for a given user.
+    
+    Args:
+        name: The name of the user to greet.
+    
+    Returns:
+        A personalized welcome string.
+    """
+    import random
+    messages = [
+        f"Hey {name}, hope your day’s fantastic!",
+        f"Welcome aboard, {name}! Ready to explore?",
+        f"Good to see you, {name}! Let's create some magic!"
+    ]
+    return random.choice(messages)
 
 
 final_answer = FinalAnswerTool()
 search_tool = DuckDuckGoSearchTool()
 image_generation_tool = load_tool("agents-course/text-to-image", trust_remote_code=True)
 
-# Replaced InferenceClientModel → HfApiModel
 model = HfApiModel(
     max_tokens=2048,
     temperature=0.7,
@@ -33,7 +58,13 @@ with open("prompts.yaml", "r") as f:
 
 agent = CodeAgent(
     model=model,
-    tools=[final_answer, search_tool, image_generation_tool, get_current_time_in_timezone],
+    tools=[
+        final_answer,
+        search_tool,
+        image_generation_tool,
+        get_current_time_in_timezone,
+        random_welcome_message
+    ],
     max_steps=6,
     verbosity_level=1,
     description="A multi-tool web chatbot and image generator",