50 lines
1.2 KiB
Python
50 lines
1.2 KiB
Python
import jsgf
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from os import listdir
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from os.path import isfile, join
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gram_dir = './gramatyki/'
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grammar_files = [file for file in listdir(gram_dir) if isfile(join(gram_dir, file))]
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grammars = []
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for grammarFile in grammar_files:
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grammar = jsgf.parse_grammar_file(gram_dir + grammarFile)
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grammars.append(grammar)
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def get_dialog_act(rule):
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slots = []
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get_slots(rule.expansion, slots)
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return {'act': rule.grammar.name, 'slots': slots}
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def get_slots(expansion, slots):
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if expansion.tag != '':
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slots.append((expansion.tag, expansion.current_match))
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return
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for child in expansion.children:
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get_slots(child, slots)
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if not expansion.children and isinstance(expansion, jsgf.NamedRuleRef):
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get_slots(expansion.referenced_rule.expansion, slots)
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def nlu(utterance):
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matched = None
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for _grammar in grammars:
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matched = _grammar.find_matching_rules(utterance)
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if matched:
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break
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if matched:
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return get_dialog_act(matched[0])
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else:
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return {'act': 'null', 'slots': []}
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# print(nlu('chciałbym zamowic pizze vesuvio XXL na dwie osoby'))
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# print(nlu('na dowoz'))
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# print(nlu('dowoz'))
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