def test_is_concept_dereifiable(self, mini_amr):
m = Model()
assert not m.is_concept_dereifiable('chase-01')
assert not m.is_concept_dereifiable(':mod')
assert not m.is_concept_dereifiable('have-mod-91')
m = Model.from_dict(mini_amr)
assert not m.is_concept_dereifiable('chase-01')
assert not m.is_concept_dereifiable(':mod')
assert m.is_concept_dereifiable('have-mod-91')
def _dereify_agenda(g: Graph, model: Model) -> _Dereification:
alns = alignments(g)
agenda: _Dereification = {}
fixed: Set[Target] = set([g.top])
inst: Dict[Variable, BasicTriple] = {}
other: Dict[Variable, List[BasicTriple]] = {}
for triple in g.triples:
var, role, tgt = triple
if role == CONCEPT_ROLE:
inst[var] = triple
else:
fixed.add(tgt)
if var not in other:
other[var] = [triple]
else:
other[var].append(triple)
for var, instance in inst.items():
if (var not in fixed
and len(other.get(var, [])) == 2
and model.is_concept_dereifiable(instance[2])):
# passed initial checks
# now figure out which other edge is the first one
first, second = other[var]
if get_pushed_variable(g, second) == var:
first, second = second, first
try:
dereified = model.dereify(instance, first, second)
except ModelError:
pass
else:
# migrate epidata
epidata: List[Epidatum] = []
if instance in alns:
aln = alns[instance]
epidata.append(
RoleAlignment(aln.indices, prefix=aln.prefix))
epidata.extend(epi for epi in g.epidata[second]
if not isinstance(epi, RoleAlignment))
agenda[var] = (first, dereified, epidata)
return agenda
