exchange_rates.py•1.54 kB
import requests
import json
class ExchangeRateClient:
def __init__(self, api_key: str):
self.api_key = api_key
self.base_url = "https://v6.exchangerate-api.com/v6"
def get_rates(self, code: str) -> str:
"""Get latest exchange rates for the specified base currency code"""
if not self.api_key:
raise ValueError("API key is required")
url = f"{self.base_url}/{self.api_key}/latest/{code.upper()}"
try:
response = requests.get(url)
response.raise_for_status()
data = response.json()
if data.get("result") == "success":
rates = data.get("conversion_rates", {})
base_code = data.get("base_code")
last_update = data.get("time_last_update_utc")
result = {
"base_currency": base_code,
"last_updated": last_update,
"exchange_rates": rates
}
return json.dumps(result, indent=2)
else:
error_type = data.get("error-type", "unknown")
return f"Error: {error_type}"
except requests.exceptions.RequestException as e:
return f"Network error: {str(e)}"
except json.JSONDecodeError:
return "Error: Invalid response format"
except Exception as e:
return f"Unexpected error: {str(e)}"
