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remove remoting block for .NET standard #1170

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Merged
merged 2 commits into from
Jun 24, 2020
Merged

remove remoting block for .NET standard #1170

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1df75ea
remove remoting
koubaa Jun 23, 2020
82bdb9a
reflection-based remoting support
koubaa Jun 24, 2020
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26 changes: 18 additions & 8 deletions src/runtime/converter.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -113,6 +113,23 @@ internal static IntPtr ToPython<T>(T value)
return ToPython(value, typeof(T));
}

private static readonly Func<object, bool> IsTransparentProxy = GetIsTransparentProxy();

private static bool Never(object _) => false;

private static Func<object, bool> GetIsTransparentProxy()
{
var remoting = typeof(int).Assembly.GetType("System.Runtime.Remoting.RemotingServices");
if (remoting is null) return Never;

var isProxy = remoting.GetMethod("IsTransparentProxy", new[] { typeof(object) });
if (isProxy is null) return Never;

return (Func<object, bool>)Delegate.CreateDelegate(
typeof(Func<object, bool>), isProxy,
throwOnBindFailure: true);
}

internal static IntPtr ToPython(object value, Type type)
{
if (value is PyObject)
Expand Down Expand Up @@ -162,15 +179,8 @@ internal static IntPtr ToPython(object value, Type type)
var pyderived = value as IPythonDerivedType;
if (null != pyderived)
{
#if NETSTANDARD
return ClassDerivedObject.ToPython(pyderived);
#else
// if object is remote don't do this
if (!System.Runtime.Remoting.RemotingServices.IsTransparentProxy(pyderived))
{
if (!IsTransparentProxy(pyderived))
return ClassDerivedObject.ToPython(pyderived);
}
#endif
}

// hmm - from Python, we almost never care what the declared
Expand Down