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from tools_registry import tool
import urllib.request
import json
@tool()
def convert_currency(amount: float, from_currency: str, to_currency: str) -> str:
"""Converts currency using latest exchange rates.
Parameters:
- amount: Amount to convert
- from_currency: Source currency code (e.g., USD)
- to_currency: Target currency code (e.g., EUR)
"""
try:
url = f"https://open.er-api.com/v6/latest/{from_currency.upper()}"
with urllib.request.urlopen(url) as response:
data = json.loads(response.read())
if "rates" not in data:
return "Error: Could not fetch exchange rates"
rate = data["rates"].get(to_currency.upper())
if not rate:
return f"Error: No rate found for {to_currency}"
converted = amount * rate
return f"{amount} {from_currency.upper()} = {converted:.2f} {to_currency.upper()}"
except Exception as e:
return f"Error converting currency: {str(e)}"
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