# QUANTCONNECT.COM - Democratizing Finance, Empowering Individuals.# Lean Algorithmic Trading Engine v2.0. Copyright 2014 QuantConnect Corporation.## Licensed under the Apache License, Version 2.0 (the "License");# you may not use this file except in compliance with the License.# You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0## Unless required by applicable law or agreed to in writing, software# distributed under the License is distributed on an "AS IS" BASIS,# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.# See the License for the specific language governing permissions and# limitations under the License.from AlgorithmImports import *### <summary>### Related to GH issue 4275, reproduces a failed string to symbol implicit conversion asserting the exception### thrown contains the used ticker### </summary>class StringToSymbolImplicitConversionRegressionAlgorithm(QCAlgorithm):def initialize(self):'''Initialise the data and resolution required, as well as the cash and start-end dates for your algorithm. All algorithms must initialized.'''self.set_start_date(2013,10, 7)self.set_end_date(2013,10, 8)self.add_equity("SPY", Resolution.MINUTE)def on_data(self, data):'''OnData event is the primary entry point for your algorithm. Each new data point will be pumped in here.Arguments:data: Slice object keyed by symbol containing the stock data'''ticket = self.market_order("PEPE", 1)if ticket.status != OrderStatus.INVALID:raise Exception(f"Expected order to be invalid since PEPE is not a valid ticker, but was {ticket.status}")if not self.portfolio.invested:self.set_holdings("SPY", 1)
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