'Return a value from the :class:`.Cache` referenced by this
:class:`.Namespace` object\'s :class:`.Template`.
The advantage to this method versus direct access to the
:class:`.Cache` is that the configuration parameters
declared in ``<%page>`` take effect here, thereby calling
up the same configured backend as that configured
by ``<%page>``.'

def get_cached(self, key, **kwargs):

    return self.cache.get(key, **kwargs)
