def authors(self, *usernames):
        if len(usernames) == 1:
            return self.filter(author__username=usernames[0])
        else:
            return self.filter(author__username__in=usernames)
Return the entries written by the given usernames
dataset/ETHPy150Open edoburu/django-fluent-blogs/fluent_blogs/managers.py/EntryQuerySet.authors