06-ZDIAUI0-Systemy-dialogow.../nlu.py

37 lines
950 B
Python

import jsgf
order_grammar = jsgf.parse_grammar_file('order.jsgf')
order_grammar
utterance = 'chciałbym zamowic pizze vesuvio XXL na dwie osoby'
matched = order_grammar.find_matching_rules(utterance)
def get_dialog_act(rule):
slots = []
get_slots(rule.expansion, slots)
return {'act': rule.grammar.name, 'slots': slots}
def get_slots(expansion, slots):
if expansion.tag != '':
slots.append((expansion.tag, expansion.current_match))
return
for child in expansion.children:
get_slots(child, slots)
if not expansion.children and isinstance(expansion, jsgf.NamedRuleRef):
get_slots(expansion.referenced_rule.expansion, slots)
def nlu(_utterance):
_matched = order_grammar.find_matching_rules(_utterance)
if _matched:
return get_dialog_act(matched[0])
else:
return {'act': 'null', 'slots': []}
print(nlu('chciałbym zamowic pizze vesuvio XXL na dwie osoby'))