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pyconfig

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DefaultBaseTypeProvider.cs

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using System;

using System.Collections.Generic;

namespace Python.Runtime

{

/// <summary>Minimal Python base type provider</summary>

public sealed class DefaultBaseTypeProvider : IPythonBaseTypeProvider

{

public IEnumerable<PyType> GetBaseTypes(Type type, IList<PyType> existingBases)

{

if (type is null)

throw new ArgumentNullException(nameof(type));

if (existingBases is null)

throw new ArgumentNullException(nameof(existingBases));

if (existingBases.Count > 0)

throw new ArgumentException("To avoid confusion, this type provider requires the initial set of base types to be empty");

return new[] { new PyType(GetBaseType(type)) };

}

static BorrowedReference GetBaseType(Type type)

{

if (type == typeof(Exception))

return Exceptions.Exception;

return type.BaseType is not null

? ClassManager.GetClass(type.BaseType)

: Runtime.PyBaseObjectType;

}

DefaultBaseTypeProvider(){}

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

}

}