Load the commodities for Amounts in this object.

def load_commodities(self):
        """
        Load the commodities for Amounts in this object.
        """
        base, quote = self.market.split("_")
        if isinstance(self.price, Amount):
            self.price = Amount("{0:.8f} {1}".format(self.price.to_double(), quote))
        else:
            self.price = Amount("{0:.8f} {1}".format(float(self.price), quote))
        if isinstance(self.amount, Amount):
            self.amount = Amount("{0:.8f} {1}".format(self.amount.to_double(), base))
        else:
            self.amount = Amount("{0:.8f} {1}".format(float(self.amount), base))
        fee_currency = base if self.fee_side == 'base' else quote
        if isinstance(self.fee, Amount):
            self.fee = Amount("{0:.8f} {1}".format(float(self.fee.to_double()), fee_currency))
        else:
            self.fee = Amount("{0:.8f} {1}".format(float(self.fee), fee_currency))