wehub-resource-sync
69 lines
2.5 KiB
C#
69 lines
2.5 KiB
C#
/*
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* QUANTCONNECT.COM - Democratizing Finance, Empowering Individuals.
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* Lean Algorithmic Trading Engine v2.0. Copyright 2014 QuantConnect Corporation.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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using System.IO;
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using System.Collections.Generic;
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using System.Linq;
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using NUnit.Framework;
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using Python.Runtime;
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using QuantConnect.Python;
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namespace QuantConnect.Tests.Common.Python
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{
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[TestFixture]
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public class PythonInitializerTests
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{
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[Test]
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public void AlgorithmLocationIsAlwaysBeforeOtherPaths()
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{
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PythonInitializer.Initialize();
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PythonInitializer.ResetAlgorithmLocationPath();
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var testDirectory = Directory.CreateDirectory("TestDir").FullName.Replace('\\', '/');
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var algorithmDirectory = Directory.CreateDirectory("AlgoDir").FullName.Replace('\\', '/');
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PythonInitializer.AddAlgorithmLocationPath(algorithmDirectory);
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PythonInitializer.AddPythonPaths(new string[] { testDirectory });
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var paths = GetPythonPaths().ToList();
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Directory.Delete("TestDir", true);
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Directory.Delete("AlgoDir", true);
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var algorithmDirectoryIndex = paths.IndexOf(algorithmDirectory);
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var testDirectoryIndex = paths.IndexOf(testDirectory);
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Assert.AreNotEqual(-1, algorithmDirectoryIndex, string.Join(", ", paths));
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Assert.Less(algorithmDirectoryIndex, testDirectoryIndex);
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}
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private static IEnumerable<string> GetPythonPaths()
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{
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using (Py.GIL())
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{
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using dynamic sys = Py.Import("sys");
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using var locals = new PyDict();
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locals.SetItem("sys", sys);
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// Filter out any already paths that already exist on our current PythonPath
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using var pythonCurrentPath = PythonEngine.Eval("sys.path", locals: locals);
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return pythonCurrentPath.As<List<string>>();
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}
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}
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}
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}
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