Source code for whalrus.rules.rule_k_approval

# -*- coding: utf-8 -*-
"""
Copyright Sylvain Bouveret, Yann Chevaleyre and Fran├žois 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.rules.rule_score_positional import RuleScorePositional


[docs]class RuleKApproval(RuleScorePositional): """ K-Approval The ``k`` top candidates in a ballot receive 1 point, and the other candidates receive 0 point. Parameters ---------- args Cf. parent class. k : int The number of approved candidates. kwargs Cf. parent class. Examples -------- >>> RuleKApproval(['a > b > c', 'b > c > a'], k=2).gross_scores_ {'a': 1, 'b': 2, 'c': 1} """ def __init__(self, *args, k: int = 1, **kwargs): super().__init__(*args, points_scheme=[1] * k, **kwargs)