def relation(type, claim, specifics, general=None):
relation = Relation(specifics, claim, type)
argument = Argument(relations={relation})
if general is not None:
argument = argument + Argument(
relations={Relation([general], relation, Relation.SUPPORT)})
return argument
def blob_conditional_claim(state, data):
subject = Instance()
verb = None
object = None
claim = GeneralBlob(subject, verb, object, data[0])
argument = Argument(instances={subject: {subject}},
claims={claim: {claim}})
return Interpretation(argument=argument, local=claim)
def assume(claim, general):
assumption = SpecificClaim(claim.subject,
'is',
general.subject.singular,
assumption=True)
argument = Argument(claims={assumption: {assumption}})
argument += relation(Relation.SUPPORT,
claim,
general=general,
specifics={assumption})
return Interpretation(argument=argument, local=claim)
def general_claim_singular(state, data):
scope = Scope()
subj = Instance(pronoun=Span('something'), scope=scope)
condition = SpecificClaim(subj, Verb('is'), data[0].local.singular, scope=scope)
claim = GeneralClaim(subj, data[1].local, data[2].local, scope=scope)
relation = Relation({condition}, claim, Relation.CONDITION)
return data[0] + data[2] + Interpretation(
argument=Argument(
claims={claim: {claim}, condition: {condition}},
relations={relation},
instances={subj: {subj}}
),
local=claim)
def expanded_general_claim(state, data):
assert len(data[0].argument.claims) == 2
assert len(data[0].argument.relations) == 1
claim = data[0].local
conditions = set(claim.update(scope=data[0].local.scope) for claim in data[2].local)
remaining_claims = set(data[0].argument.claims.keys()) ^ {claim}
relation = Relation(remaining_claims | conditions , claim, Relation.CONDITION)
return data[0] + data[2] + Interpretation(
argument=Argument(
claims={condition: {condition} for condition in conditions},
relations={relation},
instances={condition.subject: {condition.subject} for condition in conditions}
),
local=claim)
def undetermined_claim(state, data):
scope = Scope()
conditions = set(claim.update(scope=scope) for claim in data[2].local)
claim = GeneralClaim.from_claim(data[0].local, scope=scope, conj=data[1].local)
relation = Relation(conditions, claim, Relation.CONDITION)
return data[0] + data[2] + Interpretation(
argument=Argument(
claims={
claim: {claim},
**{condition: {condition} for condition in conditions}
},
relations={relation},
instances={
claim.subject: {claim.subject},
**{condition.subject: {condition.subject} for condition in conditions}
}
),
local=claim)
def text(self, argument: Argument):
return argument.get_instance(self).__str__()[:-1] + '/{})'.format(self.id)
def from_noun_rule(cls, state, data):
instance = cls(noun=data[1].local) # 1 because of the 'the' at pos 0.
return data[1] + Interpretation(local=instance, argument=Argument(instances={instance: {instance}}))
def from_names_rule(cls, state, data):
instances = {Instance(name=name) for name in data[0].local}
instance=cls(instances=instances)
return data[0] + Interpretation(local=instance, argument=Argument(instances={instance: {instance}}))
def from_pronoun_rule(cls, state, data):
instance = cls(pronoun=data[0].local)
return data[0] + Interpretation(local=instance, argument=Argument(instances={instance: {instance}}))
def text(self, argument: Argument):
return argument.get_instance(self).__str__()
def from_noun_rule(cls, state, data):
instance = cls(noun=data[1].local) # because 'the'
return data[1] + Interpretation(argument=Argument(instances={instance: {instance}}), local=instance)
def from_rule(cls, state, data):
claim = cls(data[0].local, data[1].local, data[2].local)
return data[0] + data[1] + data[2] + Interpretation(
argument=Argument(claims={claim: {claim}}), local=claim)
def is_same(self, other: 'Instance', argument: Argument) -> bool:
return argument.get_instance(self) == argument.get_instance(other)
def from_name_rule(cls, state, data):
instance = cls(name=data[0].local)
return data[0] + Interpretation(argument=Argument(instances={instance: {instance}}), local=instance)
def __init__(self, argument: Argument = Argument(), local: Any = None):
self.argument = argument
self.local = local
def instantiate(self, claim, context):
relation = Relation(sources={}, target=claim, type=self.type)
argument = Argument(relations={relation})
if self.specifics is not None:
instances = OrderedDict()
claims = OrderedDict()
for specific in self.specifics:
# If we're connecting to a scoped statement, make sure we have the right scope
if claim.scope and specific.scope != claim.scope:
scoped_specific = specific.update(scope=claim.scope)
relation.sources.add(scoped_specific)
instances[scoped_specific.subject] = {
scoped_specific.subject, specific.subject
}
claims[scoped_specific] = {scoped_specific, specific}
else:
relation.sources.add(specific)
argument = argument + Argument(instances=instances, claims=claims)
if self.make_assumptions and self.conditional is not None:
argument = argument + Argument(relations={
Relation([self.conditional], relation, Relation.SUPPORT)
})
conditions = find_conditions(self.conditional, context)
if len(conditions) > 0:
assumptions = []
for condition in conditions:
params = {
'subject': claim.subject,
'verb': condition.verb.for_subject(claim.subject),
}
if condition.verb.literal in ('is', 'are'):
params['object'] = getattr(
condition.object, claim.subject.grammatical_number)
assumptions.append(condition.assume(**params))
argument = argument + Argument(claims=dict(
(assumption, {assumption}) for assumption in assumptions))
relation.sources.update(assumptions)
if self.make_assumptions and self.conditional is None and self.specifics is not None:
"""
Make a general assumption in the trend of 'When Tweety can fly
because she is a bird, anything that is a bird can fly.'
"""
scope = Scope()
subject = Instance(pronoun=Span('something'), scope=scope)
if self.type == Relation.SUPPORT:
object = claim.object
elif self.type == Relation.ATTACK:
object = Negation(
claim.object
) #is this ok? Or are we jumping to conclusions?
else:
assert False, "Can't deal with this kind of relation"
conditional = GeneralClaim(subject,
claim.verb,
object,
scope=scope,
assumption=True)
assumptions = []
for specific in self.specifics:
if claim.subject.could_be(specific.subject):
assumptions.append(
specific.update(id=None,
subject=conditional.subject,
scope=scope))
if len(assumptions) > 0:
argument = argument + Argument(
instances={subject: {subject}},
claims={
conditional: {conditional},
**{
assumption: {assumption}
for assumption in assumptions
}
},
relations={
Relation([conditional], relation, Relation.SUPPORT),
Relation(assumptions, conditional, Relation.CONDITION)
})
if len(relation.sources) == 0:
raise Exception(
"No specific claim or assumption to link the conditional claim to"
)
return Interpretation(argument=argument, local=claim)
