def METHOD_NAME(self, full_resource_name):
    policy_dict = self.data_access.METHOD_NAME(
        self.session, utils.full_to_type_name(full_resource_name))
    class PolicyAccessor(dict):
        def __init__(self, *args, **kwargs):
            super(PolicyAccessor, self).__init__(*args, **kwargs)
            self.policy = self
            self.bindings = self['bindings'] if 'bindings' in self else []
            self.etag = self['etag'] if 'etag' in self else None
    return PolicyAccessor(policy_dict)