def run(self, *args):
        """List, add or delete entries from the blacklist.

        By default, it prints the list of entries available on
        the blacklist.
        """
        params = self.parser.parse_args(args)

        entry = params.entry

        if params.add:
            code = self.add(entry)
        elif params.delete:
            code = self.delete(entry)
        else:
            term = entry
            code = self.blacklist(term)

        return code
List, add or delete entries from the blacklist.

        By default, it prints the list of entries available on
        the blacklist.