Files
quantconnect--lean/Report/ReportElements/AssetAllocationReportElement.cs
T
2026-07-13 13:02:50 +08:00

91 lines
3.5 KiB
C#

/*
* 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.
*/
using System;
using System.Collections.Generic;
using System.Linq;
using Deedle;
using Python.Runtime;
using QuantConnect.Orders;
using QuantConnect.Packets;
namespace QuantConnect.Report.ReportElements
{
internal sealed class AssetAllocationReportElement : ChartReportElement
{
private BacktestResult _backtest;
private List<PointInTimePortfolio> _backtestPortfolios;
private LiveResult _live;
private List<PointInTimePortfolio> _livePortfolios;
/// <summary>
/// Create a new plot of the asset allocation over time
/// </summary>
/// <param name="name">Name of the widget</param>
/// <param name="key">Location of injection</param>
/// <param name="backtest">Backtest result object</param>
/// <param name="live">Live result object</param>
/// <param name="backtestPortfolios">Backtest point in time portfolios</param>
/// <param name="livePortfolios">Live point in time portfolios</param>
public AssetAllocationReportElement(
string name,
string key,
BacktestResult backtest,
LiveResult live,
List<PointInTimePortfolio> backtestPortfolios,
List<PointInTimePortfolio> livePortfolios)
{
_backtest = backtest;
_backtestPortfolios = backtestPortfolios;
_live = live;
_livePortfolios = livePortfolios;
Name = name;
Key = key;
}
/// <summary>
/// Generate the asset allocation pie chart using the python libraries.
/// </summary>
public override string Render()
{
var backtestSeries = Metrics.AssetAllocations(_backtestPortfolios);
var liveSeries = Metrics.AssetAllocations(_livePortfolios);
PyObject result;
using (Py.GIL())
{
var data = new PyList();
var liveData = new PyList();
data.Append(backtestSeries.SortBy(x => -x).Where(x => x.Value != 0).Keys.Select(x => x.Value).ToList().ToPython());
data.Append(backtestSeries.SortBy(x => -x).Where(x => x.Value != 0).Values.ToList().ToPython());
liveData.Append(liveSeries.SortBy(x => -x).Where(x => x.Value != 0).Keys.Select(x => x.Value).ToList().ToPython());
liveData.Append(liveSeries.SortBy(x => -x).Where(x => x.Value != 0).Values.ToList().ToPython());
result = Charting.GetAssetAllocation(data, liveData);
}
var base64 = result.ConvertToDictionary<string, string>();
if (base64.ContainsKey("Live Asset Allocation"))
{
return base64["Live Asset Allocation"];
}
return base64["Backtest Asset Allocation"];
}
}
}