Michael Handschuh
7189cb916f
Provides an extension method that python wrappers can call to validate that the provided python implementation implements all of the required members.
58 lines
2.2 KiB
C#
58 lines
2.2 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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*/
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Reflection;
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using Python.Runtime;
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namespace QuantConnect.Python
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{
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/// <summary>
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/// Provides extension methods for managing python wrapper classes
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/// </summary>
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public static class PythonWrapper
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{
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/// <summary>
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/// Validates that the specified <see cref="PyObject"/> completely implements the provided interface type
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/// </summary>
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/// <typeparam name="TInterface">The inteface type</typeparam>
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/// <param name="model">The model implementing the interface type</param>
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public static void ValidateImplementationOf<TInterface>(this PyObject model)
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{
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if (!typeof(TInterface).IsInterface)
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{
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throw new ArgumentException($"{nameof(PythonWrapper)}.{nameof(ValidateImplementationOf)} expected an interface type parameter.");
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}
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var missingMembers = new List<string>();
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var members = typeof(TInterface).GetMembers(BindingFlags.Public | BindingFlags.Instance);
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foreach (var member in members)
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{
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if (!model.HasAttr(member.Name))
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{
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missingMembers.Add(member.Name);
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}
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}
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if (missingMembers.Any())
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{
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throw new NotImplementedException($"{nameof(TInterface)} must be fully implemented. Missing implementations: {string.Join(", ", missingMembers)}");
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}
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}
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}
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} |