Währungsformatierer

import locale

def format_currency_python(amount, currency_code="USD", locale_str="en_US"):
    """
    Format a number as a currency string using Python's locale module.
    Note: locale must be installed on the system.
    """
    try:
        locale.setlocale(locale.LC_ALL, locale_str + ".UTF-8")
        return locale.currency(amount, symbol=True, grouping=True)
    except locale.Error:
        return f"{currency_code} {amount:,.2f}"

# Using the babel library (recommended for production)
# pip install babel
try:
    from babel.numbers import format_currency

    examples = [
        (1234567.89, "USD", "en_US"),
        (1234567.89, "EUR", "de_DE"),
        (1234567,    "JPY", "ja_JP"),
        (1234567.89, "GBP", "en_GB"),
        (1234567.89, "INR", "en_IN"),
        (1234567.89, "BRL", "pt_BR"),
    ]

    print("Locale-aware currency formatting with Babel:")
    for amount, currency, loc in examples:
        formatted = format_currency(amount, currency, locale=loc)
        print(f"  {loc:8} {currency}: {formatted}")

except ImportError:
    # Fallback without Babel
    numbers = [1234567.89, 1000, 0.50]
    for n in numbers:
        print(f"USD: ${n:>12,.2f}")
        print(f"EUR: {n:>12,.2f} EUR")