added currency_converter tool to agent

app.py

@@ -4,6 +4,7 @@ import requests
 import pytz
 import yaml
 from tools.final_answer import FinalAnswerTool
+from forex_python.converter import CurrencyRates
 
 from Gradio_UI import GradioUI
 
@@ -27,6 +28,32 @@ def web_search(prompt: str) -> str:
     search_tool = DuckDuckGoSearchTool(max_results=5) 
     return search_tool(prompt)
 
+@tool
+def convert_currency(amount:float, from_currency:str, to_currency:str) -> float:
+    """ A tool that converts a specified amount from one currency to another.
+    Args:
+        amount: The amount of money to convert (e.g. 10.5).
+        from_currency: The currency code of the source currency (e.g., 'USD').
+        to_currency: The currency code of the target currency (e.g., 'EUR').
+    """
+    
+    # Initialize the CurrencyRates object
+    c = CurrencyRates()
+
+    try:
+        # Fetch the conversion rate
+        rate = c.get_rate(from_currency.upper(), to_currency.upper())
+        # Perform the conversion
+        converted_amount = amount * rate
+        return converted_amount
+
+    except RatesNotAvailableError:
+        return f"Error: Conversionrate not available for {from_currency} to {to_currency}."
+    except ValueError:
+        return f"Error: Invalid amount entered."
+    except Exception as e:
+        return f"An unexpected error occurred: {e}"
+
 @tool
 def get_current_time_in_timezone(timezone: str) -> str:
     """A tool that fetches the current local time in a specified timezone.
@@ -65,7 +92,7 @@ with open("prompts.yaml", 'r') as stream:
     
 agent = CodeAgent(
     model=model,
-    tools=[final_answer, get_current_time_in_timezone, web_search, image_generation_tool], ## add your tools here (don't remove final answer)
+    tools=[final_answer, get_current_time_in_timezone, web_search, convert_currency, image_generation_tool], ## add your tools here (don't remove final answer)
     max_steps=6,
     verbosity_level=1,
     grammar=None,