def __init__(self,
*args,
converter: ConverterBallot = None,
higher_vs_lower: Union[Number, None] = 1,
lower_vs_higher: Union[Number, None] = 0,
indifference: Union[Number, None] = Fraction(1, 2),
ordered_vs_unordered: Union[Number, None] = 1,
unordered_vs_ordered: Union[Number, None] = 0,
unordered_vs_unordered: Union[Number, None] = Fraction(1, 2),
ordered_vs_absent: Union[Number, None] = None,
absent_vs_ordered: Union[Number, None] = None,
unordered_vs_absent: Union[Number, None] = None,
absent_vs_unordered: Union[Number, None] = None,
absent_vs_absent: Union[Number, None] = None,
diagonal_score: Number = 0,
default_score: Number = 0,
antisymmetric: bool = False,
**kwargs):
if converter is None:
converter = ConverterBallotToOrder()
self.higher_vs_lower = convert_number(higher_vs_lower)
self.lower_vs_higher = convert_number(lower_vs_higher)
self.indifference = convert_number(indifference)
self.ordered_vs_unordered = convert_number(ordered_vs_unordered)
self.unordered_vs_ordered = convert_number(unordered_vs_ordered)
self.unordered_vs_unordered = convert_number(unordered_vs_unordered)
self.ordered_vs_absent = convert_number(ordered_vs_absent)
self.absent_vs_ordered = convert_number(absent_vs_ordered)
self.unordered_vs_absent = convert_number(unordered_vs_absent)
self.absent_vs_unordered = convert_number(absent_vs_unordered)
self.absent_vs_absent = convert_number(absent_vs_absent)
self.diagonal_score = convert_number(diagonal_score)
self.default_score = convert_number(default_score)
self.antisymmetric = antisymmetric
super().__init__(*args, converter=converter, **kwargs)
def test():
converter = ConverterBallotToOrder()
assert converter(BallotOneName('a', candidates={'a', 'b', 'c'}), candidates={'b', 'c', 'd'}) == BallotOrder(
'b ~ c', candidates={'b', 'c'}
)
assert converter(BallotVeto('a', candidates={'a', 'b', 'c'}), candidates={'b', 'c', 'd'}) == BallotOrder(
'b ~ c', candidates={'b', 'c'}
)
def __call__(self, x: object, candidates: set = None) -> BallotOrder:
x = ConverterBallotToOrder()(x, candidates=candidates)
if x.is_strict:
return x
else:
return BallotOrder(list(chain(*[
self.priority.sort(indifference_class) for indifference_class in x.as_weak_order
])))
def __init__(self,
*args,
converter: ConverterBallot = None,
scorer: Scorer = None,
**kwargs):
if converter is None:
converter = ConverterBallotToOrder()
if scorer is None:
scorer = ScorerBorda()
super().__init__(*args, converter=converter, scorer=scorer, **kwargs)
def __init__(self,
*args,
converter: ConverterBallot = None,
matrix_majority: Matrix = None,
**kwargs):
if converter is None:
converter = ConverterBallotToOrder()
if matrix_majority is None:
matrix_majority = MatrixMajority()
self.matrix_majority = matrix_majority
super().__init__(*args, converter=converter, **kwargs)
def __init__(self,
*args,
converter: ConverterBallot = None,
matrix_schulze: Matrix = None,
**kwargs):
if converter is None:
converter = ConverterBallotToOrder()
if matrix_schulze is None:
matrix_schulze = MatrixSchulze()
self.matrix_schulze = matrix_schulze
super().__init__(*args, converter=converter, **kwargs)
def __init__(self,
*args,
converter: ConverterBallot = None,
matrix_weighted_majority: Matrix = None,
**kwargs):
if converter is None:
converter = ConverterBallotToOrder()
if matrix_weighted_majority is None:
matrix_weighted_majority = MatrixWeightedMajority(
antisymmetric=True)
self.matrix_weighted_majority = matrix_weighted_majority
super().__init__(*args, converter=converter, **kwargs)
def __init__(self, *args, converter: ConverterBallot = None, matrix_weighted_majority: Matrix = None,
greater: Number = 1, lower: Number = 0, equal: Number = Fraction(1, 2),
diagonal: Number = Fraction(1, 2), **kwargs):
if converter is None:
converter = ConverterBallotToOrder()
if matrix_weighted_majority is None:
matrix_weighted_majority = MatrixWeightedMajority()
self.matrix_weighted_majority = matrix_weighted_majority
self.greater = convert_number(greater)
self.lower = convert_number(lower)
self.equal = convert_number(equal)
self.diagonal = convert_number(diagonal)
super().__init__(*args, converter=converter, **kwargs)
def __init__(self,
*args,
converter: ConverterBallot = None,
scorer: ScorerBucklin = None,
**kwargs):
# Default value
if converter is None:
converter = ConverterBallotToOrder()
if scorer is None:
scorer = ScorerBucklin()
# Parameters
self.scorer = scorer
super().__init__(*args, converter=converter, **kwargs)
def __init__(self,
*args,
converter: ConverterBallot = None,
matrix_weighted_majority: Matrix = None,
tie_break: Priority = Priority.UNAMBIGUOUS,
**kwargs):
if converter is None:
converter = ConverterBallotToOrder()
if matrix_weighted_majority is None:
matrix_weighted_majority = MatrixWeightedMajority()
self.tie_break = tie_break
self.matrix_weighted_majority = matrix_weighted_majority
super().__init__(*args, converter=converter, **kwargs)
def __init__(self,
*args,
converter: ConverterBallot = None,
matrix: Matrix = None,
**kwargs):
if converter is None:
converter = ConverterBallotToOrder()
if matrix is None:
tie_break = kwargs.get('tie_break')
if tie_break is None:
matrix = MatrixRankedPairs()
else:
matrix = MatrixRankedPairs(tie_break=tie_break)
super().__init__(*args, converter=converter, matrix=matrix, **kwargs)