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quantconnect--lean/Algorithm.Python/CustomDataBenchmarkRegressionAlgorithm.py
T
Ricardo Andrés Marino Rojas 6d181cc452
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Fix bug with SetBenchmark() using custom data (#6304)
* First commit

* Solve the easy case

* Solve bugs

* Solve bugs

* Requested changes

* Requested changes
2022-04-27 13:58:10 -03:00

55 lines
2.3 KiB
Python

# 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
from AlgorithmImports import *
### <summary>
### Regression algorithm to demonstrate the use of SetBenchmark() with custom data
### </summary>
class CustomDataBenchmarkRegressionAlgorithm(QCAlgorithm):
def Initialize(self):
self.SetStartDate(2017, 8, 18) # Set Start Date
self.SetEndDate(2017, 8, 21) # Set End Date
self.SetCash(100000) # Set Strategy Cash
self.AddEquity("SPY", Resolution.Hour)
# Load benchmark data
self.customSymbol = self.AddData(ExampleCustomData, "ExampleCustomData", Resolution.Hour).Symbol
self.SetBenchmark(self.customSymbol)
def OnData(self, data):
if not self.Portfolio.Invested:
self.SetHoldings("SPY", 1)
def OnEndOfAlgorithm(self):
securityBenchmark = self.Benchmark;
if securityBenchmark.Security.Price == 0:
raise Exception("Security benchmark price was not expected to be zero")
class ExampleCustomData(PythonData):
def GetSource(self, config, date, isLive):
source = "https://www.dl.dropboxusercontent.com/s/d83xvd7mm9fzpk0/path_to_my_csv_data.csv?dl=0";
return SubscriptionDataSource(source, SubscriptionTransportMedium.RemoteFile)
def Reader(self, config, line, date, isLive):
data = line.split(',')
obj_data = ExampleCustomData()
obj_data.Symbol = config.Symbol
obj_data.Time = datetime.strptime(data[0], '%Y-%m-%d %H:%M:%S') + timedelta(hours=20)
obj_data.Value = float(data[4])
obj_data["Open"] = float(data[1])
obj_data["High"] = float(data[2])
obj_data["Low"] = float(data[3])
obj_data["Close"] = float(data[4])
return obj_data