internal override bool TrySetValue(CodeContext context, object instance, PythonType owner, object value)
{
IWeakReferenceable reference = instance as IWeakReferenceable;
if (reference != null)
{
return(reference.SetWeakRef(new WeakRefTracker(value, instance)));
}
return(false);
}
public static WeakRefTracker InitializeWeakRef(PythonContext context, object self, object target, object callback)
{
IWeakReferenceable iwr = ConvertToWeakReferenceable(context, target);
WeakRefTracker wrt = iwr.GetWeakRef();
if (wrt == null)
{
if (!iwr.SetWeakRef(wrt = new WeakRefTracker(iwr)))
{
throw PythonOps.TypeError("cannot create weak reference to '{0}' object", PythonOps.GetPythonTypeName(target));
}
}
wrt.ChainCallback(callback, self);
return(wrt);
}
public static void InitializeWeakRef(object self, object target, object callback)
{
IWeakReferenceable iwr = target as IWeakReferenceable;
if (iwr == null)
{
throw Ops.TypeError("cannot create weak reference to '{0}' object", Ops.GetDynamicType(target).__name__);
}
WeakRefTracker wrt = iwr.GetWeakRef();
if (wrt == null)
{
iwr.SetWeakRef(new WeakRefTracker(callback, self));
}
else
{
wrt.ChainCallback(callback, self);
}
}