ansys-pythonnet/src/runtime/Codecs/IterableDecoder.cs at update-python · ansys/ansys-pythonnet · GitHub

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using System;

using System.Collections.Generic;

namespace Python.Runtime.Codecs

{

public class IterableDecoder : IPyObjectDecoder

{

internal static bool IsIterable(Type targetType)

{

//if it is a plain IEnumerable, we can decode it using sequence protocol.

if (targetType == typeof(System.Collections.IEnumerable))

return true;

if (!targetType.IsGenericType)

return false;

return targetType.GetGenericTypeDefinition() == typeof(IEnumerable<>);

}

internal static bool IsIterable(PyType objectType)

{

return objectType.HasAttr("__iter__");

}

public bool CanDecode(PyType objectType, Type targetType)

{

return IsIterable(objectType) && IsIterable(targetType);

}

public bool TryDecode<T>(PyObject pyObj, out T value)

{

//first see if T is a plan IEnumerable

if (typeof(T) == typeof(System.Collections.IEnumerable))

{

object enumerable = new CollectionWrappers.IterableWrapper<object>(pyObj);

value = (T)enumerable;

return true;

}

var elementType = typeof(T).GetGenericArguments()[0];

var collectionType = typeof(CollectionWrappers.IterableWrapper<>).MakeGenericType(elementType);

var instance = Activator.CreateInstance(collectionType, new[] { pyObj });

value = (T)instance;

return true;

}

public static IterableDecoder Instance { get; } = new IterableDecoder();

public static void Register()

{

PyObjectConversions.RegisterDecoder(Instance);

}

ansys-pythonnet/src/runtime/Codecs/IterableDecoder.cs at update-python · ansys/ansys-pythonnet · GitHub

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