public static void AddRemoveEventHelper(object method, IPythonObject instance, object eventValue, string name)
{
object callable = method;
// TODO: dt gives us a PythonContext which we should use
PythonType dt = instance.PythonType;
if (method is PythonTypeSlot dts)
{
if (!dts.TryGetValue(DefaultContext.Default, instance, dt, out callable))
{
throw PythonOps.AttributeErrorForMissingAttribute(dt.Name, name);
}
}
if (!PythonOps.IsCallable(DefaultContext.Default, callable))
{
throw PythonOps.TypeError("Expected callable value for {0}, but found {1}", name.ToString(),
PythonOps.GetPythonTypeName(method));
}
PythonCalls.Call(callable, eventValue);
}
