internal override bool TryDeleteValue(CodeContext /*!*/ context, object instance, PythonType owner)
{
Assert.NotNull(context, owner);
throw ReadOnlyException(DynamicHelpers.GetPythonTypeFromType(Info.DeclaringType));
}
public void __set__(CodeContext context, object instance, object value)
{
TrySetValue(context, instance, DynamicHelpers.GetPythonType(instance), value);
}
public string /*!*/ __repr__(CodeContext /*!*/ context)
{
return(String.Format("<method '{0}' of '{1}' objects>",
Template.Name,
DynamicHelpers.GetPythonTypeFromType(DeclaringType).Name));
}
internal override bool TrySetValue(CodeContext context, object instance, PythonType owner, object value)
{
if (instance == null)
{
return(false);
}
if (!(instance is IPythonObject sdo))
{
throw PythonOps.TypeError("__class__ assignment: only for user defined types");
}
if (!(value is PythonType dt))
{
throw PythonOps.TypeError("__class__ must be set to new-style class, not '{0}' object", DynamicHelpers.GetPythonType(value).Name);
}
if (dt.UnderlyingSystemType != DynamicHelpers.GetPythonType(instance).UnderlyingSystemType)
{
throw PythonOps.TypeErrorForIncompatibleObjectLayout("__class__ assignment", DynamicHelpers.GetPythonType(instance), dt.UnderlyingSystemType);
}
sdo.SetPythonType(dt);
return(true);
}
public static ReflectedEvent.BoundEvent MakeBoundEvent(ReflectedEvent eventObj, object instance, Type type)
{
return(new ReflectedEvent.BoundEvent(eventObj, instance, DynamicHelpers.GetPythonTypeFromType(type)));
}
public string /*!*/ __repr__(CodeContext /*!*/ context)
{
return(string.Format("<property# {0} on {1}>",
__name__,
DynamicHelpers.GetPythonTypeFromType(DeclaringType).Name));
}
public void __set__(CodeContext context, object instance, object value)
{
// TODO: Throw? currently we have a test that verifies we never throw when this is called directly.
TrySetValue(context, instance, DynamicHelpers.GetPythonType(instance), value);
}