[英]Interactive Brokers Official Python API gives AttributeError
from ibapi import wrapper
from ibapi.client import EClient
from ibapi.utils import iswrapper #just for decorator
from ibapi.common import *
from ibapi.contract import *
from ibapi.ticktype import *
class TestApp(wrapper.EWrapper, EClient):
def __init__(self):
wrapper.EWrapper.__init__(self)
EClient.__init__(self, wrapper=self)
self.reqIsFinished = True
self.started = False
self.nextValidOrderId = 0
@iswrapper
def nextValidId(self, orderId:int):
print("setting nextValidOrderId: %d", orderId)
self.nextValidOrderId = orderId
# we can start now
@iswrapper
def error(self, reqId:TickerId, errorCode:int, errorString:str):
print("Error. Id: " , reqId, " Code: " , errorCode , " Msg: " ,
errorString)
@iswrapper
# ! [contractdetails]
def contractDetails(self, reqId: int, contractDetails: ContractDetails):
super().contractDetails(reqId, contractDetails)
print("ContractDetails. ReqId:", reqId,
contractDetails.summary.symbol,
contractDetails.summary.secType, "ConId:",
contractDetails.summary.conId,
contractDetails.summary.exchange)
# ! [contractdetails]
@iswrapper
# ! [contractdetailsend]
def contractDetailsEnd(self, reqId: int):
super().contractDetailsEnd(reqId)
print("ContractDetailsEnd. ", reqId, "\n")
self.done = True # This ends the messages loop
# ! [contractdetailsend]
def main():
app = TestApp()
app.connect("127.0.0.1", 4001, clientId=123)
print("serverVersion:%s connectionTime:%s" % (app.serverVersion(),
app.twsConnectionTime()))
print('MSFT contract details:')
contract = Contract()
contract.symbol = "MSFT"
contract.secType = "STK"
contract.currency = "USD"
contract.exchange = ""
app.reqContractDetails(210, contract)
app.run()
print('IBM contract details:')
contract.symbol = "IBM"
app.done = False # must be set before next run
app.reqContractDetails(210, contract)
app.run()
app.disconnect()
if __name__ == "__main__":
main()
執行后,當斷開連接時,我總是會收到以下錯誤:
AttributeError: 'NoneType' object has no attribute 'recv'
AttributeError: 'NoneType' object has no attribute 'isConnected'
有沒有辦法避免這種情況的發生。 我嘗試了各種可能性,並且與盈透證券的連接正常。 它正在執行訂單和一切。 但是只有當代碼將自己與IB斷開連接時,我才會收到此錯誤。
我已經將此錯誤標記給了交互式經紀人支持團隊,並且顯然,這是他們的修復列表中的一個已知錯誤。
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