def extract_PP_spec_syntax(cls, origin, full_sentence, element, vphead):
pp_list = Search.find_in_tree(vphead, PP, (SBAR, S, NP, PRN))
for pp in pp_list:
pp_index = Search.find_sentence_index(full_sentence, pp)
spec = Specifier(origin, pp_index, " ".join(pp.leaves()))
spec.f_type = PP
element.f_specifiers.append(spec)
def extract_SBAR_spec(cls, origin, full_sentence, element, phrase_head):
if phrase_head:
sbar_list = Search.find_in_tree(phrase_head, SBAR, [])
phrase_index = Search.find_sentence_index(full_sentence, phrase_head)
for sbar in sbar_list:
sbar_index = Search.find_sentence_index(full_sentence, sbar)
if sbar_index > phrase_index:
spec = Specifier(origin, sbar_index, " ".join(sbar.leaves()))
spec.f_type = SBAR
element.f_specifiers.append(spec)
def determine_verbs(self, sentence, dependencies, active):
actions = []
main_predicate_index = None
# Determine main predicate
if active:
nsubj = Search.find_dependencies(dependencies, NSUBJ)
nsubj = self.exclude_relative_clauses(sentence, nsubj)
if len(nsubj) == 0:
dobj = Search.find_dependencies(dependencies, DOBJ)
dobj = self.exclude_relative_clauses(sentence, dobj)
if len(dobj) >= 1:
main_predicate_index = dobj[0]['governor']
elif len(nsubj) == 1:
main_predicate_index = nsubj[0]['governor']
cop = Search.find_dependencies(dependencies, COP)
cop = self.exclude_relative_clauses(sentence, cop)
for dep in cop:
if dep['governor'] == main_predicate_index:
main_predicate_index = dep['dependent']
break
else:
self.logger.info("Sentence has more than one active predicate")
self.logger.debug(nsubj)
else:
nsubjpass = Search.find_dependencies(dependencies, NSUBJPASS)
nsubjpass = self.exclude_relative_clauses(sentence, nsubjpass)
if len(nsubjpass) == 1:
main_predicate_index = nsubjpass[0]['governor']
elif len(nsubjpass) > 1:
self.logger.info("Sentence has more than one passive predicate")
self.logger.debug(nsubjpass)
# Find all actions
if main_predicate_index:
main_predicate = Search.find_dep_in_tree(self.f_full_sentence,
main_predicate_index)
vp_head = Search.get_full_phrase_tree(main_predicate, VP)
action = Builder.create_action(self.f_stanford_sentence, self.f_full_sentence,
main_predicate_index, dependencies, active)
self.check_sub_sentences(vp_head, dependencies, action, False)
actions.append(action)
else:
verbs = Search.find_in_tree(sentence, VP, (SBAR, S))
if len(verbs) == 0:
self.logger.info("Sentence contains no action")
elif len(verbs) > 1:
self.logger.info("Sentence has more than one verb phrase")
else:
vp = verbs[0]
action = Builder.create_action_syntax(self.f_stanford_sentence, self.f_full_sentence, vp)
self.check_sub_sentences(vp, dependencies, action, False)
actions.append(action)
if len(actions) > 0:
for new_action in self.check_conjunctions(dependencies, actions[0],
False, False, active):
actions.append(new_action)
return actions