def test_request_realtime_bars(ib: IB):
contract = Forex('EURUSD')
bars = ib.reqRealTimeBars(contract, 5, 'MIDPOINT', False)
bars.updateEvent += on_bar_update
ib.sleep(100000) # 开盘到收盘时间
ib.cancelRealTimeBars(bars)
return bars
def _cancel_job(
self, ib_client: ib_insync.IB,
streaming_id: StreamingID) -> Optional[ib_insync.RealTimeBarList]:
"""
Cancels a streaming job, removing its metadata from Firestore (so it will no longer be resumed) and cancelling streaming market data from IB.
Returns the final `RealTimeBarList` associated with this ID, if it could be found.
"""
logger.debug(
f"{len(self._real_time_bars)} _real_time_bars before cancelling: {self._real_time_bars.keys()}"
)
bar_list = self._real_time_bars.pop(streaming_id, None)
if bar_list is not None:
ib_client.cancelRealTimeBars(bar_list)
self._delete_job_from_firestore(streaming_id)
return bar_list
