'Return all of the exported entries in a particular category.
:param category: The category to search for entries.
:param name: If specified, only entries with that name are returned.'

def get_exported_entries(self, category, name=None):

    for dist in self.get_distributions():
        r = dist.exports
        if (category in r):
            d = r[category]
            if (name is not None):
                if (name in d):
                    (yield d[name])
            else:
                for v in d.values():
                    (yield v)
