| | |
| | | # Copyright (c) Alibaba, Inc. and its affiliates. |
| | | |
| | | import string |
| | | import logging |
| | | from typing import Any, List, Union |
| | | |
| | | |
| | | def isChinese(ch: str): |
| | | if '\u4e00' <= ch <= '\u9fff': |
| | | if '\u4e00' <= ch <= '\u9fff' or '\u0030' <= ch <= '\u0039' or ch == '@': |
| | | return True |
| | | return False |
| | | |
| | |
| | | cur = i.replace(' ', '') |
| | | cur = cur.replace('</s>', '') |
| | | cur = cur.replace('<s>', '') |
| | | cur = cur.replace('<unk>', '') |
| | | cur = cur.replace('<OOV>', '') |
| | | word_lists.append(cur) |
| | | |
| | | if len(word_lists) == 0: |
| | |
| | | cur = i.replace(' ', '') |
| | | cur = cur.replace('</s>', '') |
| | | cur = cur.replace('<s>', '') |
| | | cur = cur.replace('<unk>', '') |
| | | cur = cur.replace('<OOV>', '') |
| | | word_lists.append(cur) |
| | | |
| | | if len(word_lists) == 0: |
| | |
| | | return True |
| | | |
| | | |
| | | def abbr_dispose(words: List[Any]) -> List[Any]: |
| | | # def abbr_dispose(words: List[Any]) -> List[Any]: |
| | | def abbr_dispose(words: List[Any], time_stamp: List[List] = None) -> List[Any]: |
| | | words_size = len(words) |
| | | word_lists = [] |
| | | abbr_begin = [] |
| | | abbr_end = [] |
| | | last_num = -1 |
| | | ts_lists = [] |
| | | ts_nums = [] |
| | | ts_index = 0 |
| | | for num in range(words_size): |
| | | if num <= last_num: |
| | | continue |
| | |
| | | else: |
| | | break |
| | | |
| | | for num in range(words_size): |
| | | if words[num] == ' ': |
| | | ts_nums.append(ts_index) |
| | | else: |
| | | ts_nums.append(ts_index) |
| | | ts_index += 1 |
| | | last_num = -1 |
| | | for num in range(words_size): |
| | | if num <= last_num: |
| | | continue |
| | | |
| | | if num in abbr_begin: |
| | | if time_stamp is not None: |
| | | begin = time_stamp[ts_nums[num]][0] |
| | | word_lists.append(words[num].upper()) |
| | | num += 1 |
| | | while num < words_size: |
| | |
| | | if words[num].encode('utf-8').isalpha(): |
| | | word_lists.append(words[num].upper()) |
| | | num += 1 |
| | | if time_stamp is not None: |
| | | end = time_stamp[ts_nums[num]][1] |
| | | ts_lists.append([begin, end]) |
| | | else: |
| | | word_lists.append(words[num]) |
| | | if time_stamp is not None and words[num] != ' ': |
| | | begin = time_stamp[ts_nums[num]][0] |
| | | end = time_stamp[ts_nums[num]][1] |
| | | ts_lists.append([begin, end]) |
| | | begin = end |
| | | |
| | | return word_lists |
| | | if time_stamp is not None: |
| | | return word_lists, ts_lists |
| | | else: |
| | | return word_lists |
| | | |
| | | |
| | | def sentence_postprocess(words: List[Any]): |
| | | def sentence_postprocess(words: List[Any], time_stamp: List[List] = None): |
| | | middle_lists = [] |
| | | word_lists = [] |
| | | word_item = '' |
| | | ts_lists = [] |
| | | |
| | | # wash words lists |
| | | for i in words: |
| | |
| | | else: |
| | | word = i.decode('utf-8') |
| | | |
| | | if word in ['<s>', '</s>', '<unk>']: |
| | | if word in ['<s>', '</s>', '<unk>', '<OOV>']: |
| | | continue |
| | | else: |
| | | middle_lists.append(word) |
| | | |
| | | # all chinese characters |
| | | if isAllChinese(middle_lists): |
| | | for ch in middle_lists: |
| | | for i, ch in enumerate(middle_lists): |
| | | word_lists.append(ch.replace(' ', '')) |
| | | if time_stamp is not None: |
| | | ts_lists = time_stamp |
| | | |
| | | # all alpha characters |
| | | elif isAllAlpha(middle_lists): |
| | | for ch in middle_lists: |
| | | ts_flag = True |
| | | for i, ch in enumerate(middle_lists): |
| | | if ts_flag and time_stamp is not None: |
| | | begin = time_stamp[i][0] |
| | | end = time_stamp[i][1] |
| | | word = '' |
| | | if '@@' in ch: |
| | | word = ch.replace('@@', '') |
| | | word_item += word |
| | | if time_stamp is not None: |
| | | ts_flag = False |
| | | end = time_stamp[i][1] |
| | | else: |
| | | word_item += ch |
| | | word_lists.append(word_item) |
| | | word_lists.append(' ') |
| | | word_item = '' |
| | | if time_stamp is not None: |
| | | ts_flag = True |
| | | end = time_stamp[i][1] |
| | | ts_lists.append([begin, end]) |
| | | begin = end |
| | | |
| | | # mix characters |
| | | else: |
| | | alpha_blank = False |
| | | for ch in middle_lists: |
| | | ts_flag = True |
| | | begin = -1 |
| | | end = -1 |
| | | for i, ch in enumerate(middle_lists): |
| | | if ts_flag and time_stamp is not None: |
| | | begin = time_stamp[i][0] |
| | | end = time_stamp[i][1] |
| | | word = '' |
| | | if isAllChinese(ch): |
| | | if alpha_blank is True: |
| | | word_lists.pop() |
| | | word_lists.append(ch) |
| | | alpha_blank = False |
| | | if time_stamp is not None: |
| | | ts_flag = True |
| | | ts_lists.append([begin, end]) |
| | | begin = end |
| | | elif '@@' in ch: |
| | | word = ch.replace('@@', '') |
| | | word_item += word |
| | | alpha_blank = False |
| | | if time_stamp is not None: |
| | | ts_flag = False |
| | | end = time_stamp[i][1] |
| | | elif isAllAlpha(ch): |
| | | word_item += ch |
| | | word_lists.append(word_item) |
| | | word_lists.append(' ') |
| | | word_item = '' |
| | | alpha_blank = True |
| | | if time_stamp is not None: |
| | | ts_flag = True |
| | | end = time_stamp[i][1] |
| | | ts_lists.append([begin, end]) |
| | | begin = end |
| | | else: |
| | | raise ValueError('invalid character: {}'.format(ch)) |
| | | word_lists.append(ch) |
| | | |
| | | word_lists = abbr_dispose(word_lists) |
| | | sentence = ''.join(word_lists).strip() |
| | | return sentence |
| | | if time_stamp is not None: |
| | | word_lists, ts_lists = abbr_dispose(word_lists, ts_lists) |
| | | real_word_lists = [] |
| | | for ch in word_lists: |
| | | if ch != ' ': |
| | | real_word_lists.append(ch) |
| | | sentence = ' '.join(real_word_lists).strip() |
| | | return sentence, ts_lists, real_word_lists |
| | | else: |
| | | word_lists = abbr_dispose(word_lists) |
| | | real_word_lists = [] |
| | | for ch in word_lists: |
| | | if ch != ' ': |
| | | real_word_lists.append(ch) |
| | | sentence = ''.join(word_lists).strip() |
| | | return sentence, real_word_lists |