Python Currency Converter
This utility converts amounts between different currencies using real-time exchange rates provided by the forex-python library. It also handles currency symbols for better readability.
Modules Used:
forex-python: To fetch exchange rates and perform conversions.- argparse: To handle command-line arguments.
Installation
pip install forex-pythonThe Code
Save this as converter.py.
from forex_python.converter import CurrencyRates, CurrencyCodes
import argparse
def convert_currency(amount, from_currency, to_currency):
c = CurrencyRates()
codes = CurrencyCodes()
try:
print(f"Converting {amount} {from_currency} to {to_currency}...")
# Perform conversion
# Note: This requires an active internet connection
converted_amount = c.convert(from_currency, to_currency, amount)
rate = c.get_rate(from_currency, to_currency)
# Get currency symbol (e.g., $, €)
to_symbol = codes.get_symbol(to_currency) or to_currency
print(f"Rate: 1 {from_currency} = {rate:.4f} {to_currency}")
print(f"Result: {to_symbol}{converted_amount:.2f}")
except Exception as e:
print(f"Error: {e}")
print("Ensure you have an internet connection and valid currency codes (e.g., USD, EUR).")
if __name__ == "__main__":
parser = argparse.ArgumentParser(description="Currency Converter CLI")
parser.add_argument("amount", type=float, help="Amount to convert")
parser.add_argument("from_currency", help="Source currency code (e.g., USD)")
parser.add_argument("to_currency", help="Target currency code (e.g., EUR)")
args = parser.parse_args()
convert_currency(args.amount, args.from_currency.upper(), args.to_currency.upper())Usage
# Convert 100 USD to EUR
python converter.py 100 USD EUR
# Convert 5000 JPY to USD
python converter.py 5000 JPY USD