| from utils import write_jsonl_file, parse, read_line_labels |
| import os |
|
|
| sent_map = { |
| "POS": "positive", |
| "NEU": "neutral", |
| "NEG": "negative", |
| } |
|
|
|
|
| def get_char_index(lengths, tok_ids): |
| start = lengths[tok_ids[0]] + tok_ids[0] |
| end = ( |
| lengths[tok_ids[-1] + 1] |
| - lengths[tok_ids[0]] |
| + start |
| + tok_ids[-1] |
| - tok_ids[0] |
| ) |
| return start, end |
|
|
|
|
| def parse_aspects(utterance, aspects): |
| toks = utterance.split() |
| lengths = list(map(lambda x: len(x), toks)) |
| lengths = [0] + lengths |
|
|
| for i in range(1, len(lengths)): |
| lengths[i] += lengths[i - 1] |
|
|
| parsed_aspects = [] |
| for target, opinion, sentiment in aspects: |
| target_start, target_end = get_char_index(lengths, target) |
| opinion_start, opinion_end = get_char_index(lengths, opinion) |
| target_value = " ".join(toks[target[0] : target[-1] + 1]) |
| opinion_value = " ".join(toks[opinion[0] : opinion[-1] + 1]) |
|
|
| assert target_value == utterance[target_start:target_end] |
| assert opinion_value == utterance[opinion_start:opinion_end] |
|
|
| parsed_aspects.append( |
| { |
| "target": { |
| "value": target_value, |
| "start": target_start, |
| "end": target_end, |
| }, |
| "opinion": { |
| "value": opinion_value, |
| "start": opinion_start, |
| "end": opinion_end, |
| }, |
| "sentiment": sent_map[sentiment], |
| } |
| ) |
|
|
| return parsed_aspects |
|
|
|
|
| def reformat(args, file): |
| for domain in os.listdir(args.input_dir): |
| path = os.path.join(os.path.join(args.input_dir, domain), f"{file}.txt") |
| data = read_line_labels(path) |
|
|
| dials = [] |
| for line in data: |
| utterance, aspects = line.strip().split("####") |
| aspects = eval(aspects) |
|
|
| dial = { |
| "turn": "single", |
| "locale": "en", |
| "dialog": [ |
| { |
| "roles": ["USER"], |
| "utterance": utterance, |
| "aspects": parse_aspects(utterance, aspects), |
| } |
| ], |
| } |
|
|
| dials.append(dial) |
|
|
| write_jsonl_file( |
| dials, os.path.join(os.path.join(args.output_dir, domain), f"{file}.jsonl") |
| ) |
|
|
|
|
| def preprocess(args): |
| reformat(args, "train") |
| reformat(args, "dev") |
| reformat(args, "test") |
|
|
|
|
| if __name__ == "__main__": |
| args = parse() |
| preprocess(args) |
|
|
