'Helper function to load a model by its name (=prefix)'

@classmethod
def load(cls, name):

    s3 = current.response.s3
    if (s3 is None):
        s3 = current.response.s3 = Storage()
    models = current.models
    if ((models is not None) and hasattr(models, name)):
        module = models.__dict__[name]
        for n in module.__all__:
            model = module.__dict__[n]
            if ((type(model).__name__ == 'type') and issubclass(model, S3Model)):
                model(name)
            elif n.startswith(('%s_' % name)):
                s3[n] = model
    return
