def submit_order()

in fix-client.py [0:0]

• 25 lines of code
• 7 McCabe index (conditional complexity)

    def submit_order(self, symbol, side, order_type, quantity, price, destination, exchange):
        trade = fix.Message()
        trade.getHeader().setField(fix.BeginString(fix.BeginString_FIX44))
        trade.getHeader().setField(fix.MsgType(fix.MsgType_NewOrderSingle))

        order_id = self.gen_exec_id()
        trade.setField(fix.ClOrdID(order_id))
        trade.setField(fix.TimeInForce(fix.TimeInForce_DAY))
        trade.setField(fix.Symbol(symbol))
        trade.setField(fix.Side(side))
        trade.setField(fix.OrdType(order_type))
        trade.setField(fix.OrderQty(quantity))

        if price is not None:
            trade.setField(fix.Price(price))
        elif order_type != fix.OrdType_MARKET:
            raise Exception("Must specify price for LIMIT order")

        if destination is not None:
            trade.setField(fix.ExecBroker(destination))
        if exchange is not None:
            trade.setField(fix.ExDestination(exchange))

        trade.setField(fix.TransactTime())

        side = "BUY" if side == fix.Side_BUY else "SELL"
        order_type = "LIMIT" if order_type == fix.OrdType_LIMIT else "MARKET"
        print("Sending order: OrderID=%s, SessionID=%s, OrderType=%s, Symbol=%s, Side=%s, Quantity=%s, Price=%s, Destination=%s, Exchange=%s" %
              (order_id, self.sessionID, order_type, symbol, side, quantity, price, destination, exchange))
        fix.Session.sendToTarget(trade, self.sessionID)