django caching machine no scielo manager

mini-models.py

import caching.base

class AppCustomManager(models.Manager):
    """
    Domain specific model managers.
    """

    def available(self, availability=None):
        """
        Filter the queryset based on its availability.
        """
        data_queryset = caching.base.CachingQuerySet(self.model) #usa o queryset cacheado
        if availability is not None:
            if not isinstance(availability, bool):
                data_queryset = data_queryset.filter(is_available=availability)

        return data_queryset