def convert(price, currency):
<EOL>value = convert_value(price.value, price.currency, currency)<EOL>return Price(value, currency)<EOL>
Shorthand function converts a price object instance of a source
    currency to target currency

    :param price: the price value
    :param type: decimal

    :param currency: target ISO-4217 currency code
    :param type: str

    :returns: converted price instance
    :rtype: ``Price``