pythonnet/src/runtime/PythonTypes/PyIterable.cs at v3.1.0 · pythonnet/pythonnet · GitHub

40 lines (36 loc) · 1.45 KB

using System;

using System.Collections;

using System.Collections.Generic;

using System.Runtime.Serialization;

namespace Python.Runtime

{

[Serializable]

public class PyIterable : PyObject, IEnumerable<PyObject>

{

internal PyIterable(BorrowedReference reference) : base(reference) { }

internal PyIterable(in StolenReference reference) : base(reference) { }

protected PyIterable(SerializationInfo info, StreamingContext context)

: base(info, context) { }

/// <summary>

/// Creates new instance from an existing object.

/// </summary>

/// <remarks>This constructor does not check if <paramref name="o"/> is actually iterable.</remarks>

public PyIterable(PyObject o) : base(FromObject(o)) { }

static BorrowedReference FromObject(PyObject o)

{

if (o is null) throw new ArgumentNullException(nameof(o));

return o.Reference;

}

/// <summary>

/// Return a new PyIter object for the object. This allows any iterable

/// python object to be iterated over in C#. A PythonException will be

/// raised if the object is not iterable.

/// </summary>

public PyIter GetEnumerator()

{

return PyIter.GetIter(this);

}

IEnumerator<PyObject> IEnumerable<PyObject>.GetEnumerator() => this.GetEnumerator();

IEnumerator IEnumerable.GetEnumerator() => this.GetEnumerator();

}

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