def __init__(self, lhs, rhs, cost):
"""
Construct a new ``ProbabilisticProduction``.
:param lhs: The left-hand side of the new ``ProbabilisticProduction``.
:type lhs: Nonterminal
:param rhs: The right-hand side of the new ``ProbabilisticProduction``.
:type rhs: sequence(Nonterminal and terminal)
:param prob: Probability parameters of the new ``ProbabilisticProduction``.
"""
ImmutableProbabilisticMixIn.__init__(self, logprob=-cost)
Production.__init__(self, lhs, rhs)
def __init__(self, lhs, rhs, **prob):
"""
Construct a new C{WeightedProduction}.
@param lhs: The left-hand side of the new C{WeightedProduction}.
@type lhs: L{Nonterminal}
@param rhs: The right-hand side of the new C{WeightedProduction}.
@type rhs: sequence of (C{Nonterminal} and (terminal))
@param **prob: Probability parameters of the new C{WeightedProduction}.
"""
ImmutableProbabilisticMixIn.__init__(self, **prob)
Production.__init__(self, lhs, rhs)
def __init__(self, lhs, rhs, **prob_kwarg):
"""
Construct a new C{PCFGProduction}.
@param prob: The probability of the new C{PCFGProduction}.
@param lhs: The left-hand side of the new C{PCFGProduction}.
@type lhs: L{Nonterminal}
@param rhs: The right-hand side of the new C{PCFGProduction}.
@type rhs: sequence of (C{Nonterminal} and (terminal))
"""
ImmutableProbabilisticMixIn.__init__(self, **prob_kwarg)
CFGProduction.__init__(self, lhs, rhs)
def __init__(self, lhs, rhs, **prob_kwarg):
"""
Construct a new C{PCFGProduction}.
@param prob: The probability of the new C{PCFGProduction}.
@param lhs: The left-hand side of the new C{PCFGProduction}.
@type lhs: L{Nonterminal}
@param rhs: The right-hand side of the new C{PCFGProduction}.
@type rhs: sequence of (C{Nonterminal} and (terminal))
"""
ImmutableProbabilisticMixIn.__init__(self, **prob_kwarg)
CFGProduction.__init__(self, lhs, rhs)
def __init__(self, lhs, rhs, **prob):
"""
Construct a new C{WeightedProduction}.
@param lhs: The left-hand side of the new C{WeightedProduction}.
@type lhs: L{Nonterminal}
@param rhs: The right-hand side of the new C{WeightedProduction}.
@type rhs: sequence of (C{Nonterminal} and (terminal))
@param **prob: Probability parameters of the new C{WeightedProduction}.
"""
ImmutableProbabilisticMixIn.__init__(self, **prob)
Production.__init__(self, lhs, rhs)
def __init__(self, lhs, rhs, prob=None, tag=None):
"""
Construct a new ``ProbabilisticProduction``.
:param lhs: The left-hand side of the new ``ProbabilisticProduction``.
:type lhs: Nonterminal
:param rhs: The right-hand side of the new ``ProbabilisticProduction``.
:type rhs: sequence(Nonterminal and terminal)
:param prob: Probability parameters of the new ``ProbabilisticProduction``.
:param tags: any tags for the production
"""
ImmutableProbabilisticMixIn.__init__(self, prob=prob)
Production.__init__(self, lhs, rhs, tag)
