how get API TWS time and sale data

Question

i need help to get data history from time and sale tws api. i try get by this code, But I did not understand what is Ticks BY Ticks and more where am i wrong in the code, and how should it show to get the information I want? I would be happy Exmaple to help Thank you https://interactivebrokers.github.io/tws-api/historical_time_and_sales.html

from ibapi.client import EClient
from ibapi.wrapper import EWrapper
from ibapi.contract import Contract
from ibapi.ticktype import TickTypeEnum

class TestApp(EWrapper,EClient):
    def __init__(self):
        EClient.__init__(self, self)
    def error(self, reqId, errorCode, errorString):
        print("ERRRR",reqId, " ",errorCode," ",errorString)
    def historicalTicks(self, reqId: int, ticks: ListOfHistoricalTick, done: bool):
       print("HistoricalTick. ReqId:", reqId, ticks)
    

def main():
    app = TestApp()
    app.disconnect()
    app.connect("127.0.0.1", 7496, 0)
    contract = Contract()
    contract.symbol = "AAPL"
    contract.secType = "STK"
    contract.exchange = "SMART"
    contract.currency = "USD"
    contract.primaryExchange = "NASDAQ"
    app.reqHistoricalTicks(18001, eurusd_contract,"20170712 21:39:33", "", 10, "TRADES", 1, True, [])

    app.run()
if __name__ == "__main__":
    main()

Answer 1

You have errors that the IDE should spell out for you. ListOfHistoricalTick needs to be imported, eurusd_contract needs to be defined.

"TRADES" will be returned in historicalTicksLast like in the instructions

from ibapi.client import EClient
from ibapi.wrapper import EWrapper
from ibapi.contract import Contract
# from ibapi.ticktype import TickTypeEnum # unused
from ibapi.common import ListOfHistoricalTick # need this import for midpoint

class TestApp(EWrapper,EClient):
    def __init__(self):
        EClient.__init__(self, self)

    def error(self, reqId, errorCode, errorString):
        print("ERRRR",reqId, " ",errorCode," ",errorString)

    # this comes from midpoint
    def historicalTicks(self, reqId: int, ticks: ListOfHistoricalTick, done: bool):
        print("HistoricalTick. ReqId:", reqId, ticks)
        
        if done:# use this to know when to disconnect
            print("done, disconnecting...")
            self.disconnect()
    

def main():
    app = TestApp()
    #app.disconnect()#you can't be connected yet
    app.connect("127.0.0.1", 7497, 123) # should use paper account for testing
    
    contract = Contract()
    contract.symbol = "EUR" # I'm using forex to make sure you have a subscription
    contract.secType = "CASH"
    contract.exchange = "IDEALPRO"
    contract.currency = "USD"
    
    # use a recent time and midpoint only for forex
    app.reqHistoricalTicks(18001, contract,"20210226 09:25:00", "", 10, "MIDPOINT", 1, True, [])

    # supposed to call this before making requests but it should work
    app.run() 
    
if __name__ == "__main__":
    main()