Default GET method. Return instance (collection) by model.

        :return object: instance or collection from self model

def get(self, request, **resources):
        """ Default GET method. Return instance (collection) by model.

        :return object: instance or collection from self model

        """

        instance = resources.get(self._meta.name)
        if not instance is None:
            return instance

        return self.paginate(
            request, self.get_collection(request, **resources))