pythonnet/src/runtime/CollectionWrappers/ListWrapper.cs at python3.14 · devtrack/pythonnet · GitHub

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using System;

using System.Collections.Generic;

namespace Python.Runtime.CollectionWrappers

{

internal class ListWrapper<T> : SequenceWrapper<T>, IList<T>

{

public ListWrapper(PyObject pyObj) : base(pyObj)

{

}

public T this[int index]

{

get

{

using var _ = Py.GIL();

var item = Runtime.PyList_GetItem(pyObject, index);

var pyItem = new PyObject(item);

return pyItem.As<T>()!;

}

set

{

using var _ = Py.GIL();

var pyItem = value.ToPython();

var result = Runtime.PyList_SetItem(pyObject, index, new NewReference(pyItem).Steal());

if (result == -1)

Runtime.CheckExceptionOccurred();

}

public int IndexOf(T item)

{

return indexOf(item);

}

public void Insert(int index, T item)

{

if (IsReadOnly)

throw new InvalidOperationException("Collection is read-only");

using var _ = Py.GIL();

var pyItem = item.ToPython();

int result = Runtime.PyList_Insert(pyObject, index, pyItem);

if (result == -1)

Runtime.CheckExceptionOccurred();

}

public void RemoveAt(int index)

{

var result = removeAt(index);

//PySequence_DelItem will set an error if it fails. throw it here

//since RemoveAt does not have a bool return value.

if (result == false)

Runtime.CheckExceptionOccurred();

}

pythonnet/src/runtime/CollectionWrappers/ListWrapper.cs at python3.14 · devtrack/pythonnet · GitHub

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