# -*- coding: utf-8 -*-
"""
Copyright Sylvain Bouveret, Yann Chevaleyre and François Durand
sylvain.bouveret@imag.fr, yann.chevaleyre@dauphine.fr, fradurand@gmail.com
This file is part of Whalrus.
Whalrus is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Whalrus is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Whalrus. If not, see <http://www.gnu.org/licenses/>.
"""
from whalrus.ballots.ballot import Ballot
[docs]class ConverterBallot:
"""
A ballot converter.
A converter is a callable. Its input may have various formats. Its output must be a :class:`Ballot`, often of a
specific subclass. For more information and examples, cf. :class:`ConverterBallotGeneral`.
"""
def __call__(self, x: object, candidates: set=None) -> Ballot:
raise NotImplementedError