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# -*- coding:utf-8 -*-
# @FileName :postprocee.py
# @Time :2023/8/8 20:26
# @Author :lovemefan
# @Email :[email protected]
# Copyright FunASR (https://github.com/alibaba-damo-academy/FunASR). All Rights Reserved.
# MIT License (https://opensource.org/licenses/MIT)
from typing import Any, List, Union
def isChinese(ch: str):
if "\u4e00" <= ch <= "\u9fff" or "\u0030" <= ch <= "\u0039":
return True
return False
def isAllChinese(word: Union[List[Any], str]):
word_lists = []
for i in word:
cur = i.replace(" ", "")
cur = cur.replace("</s>", "")
cur = cur.replace("<s>", "")
word_lists.append(cur)
if len(word_lists) == 0:
return False
for ch in word_lists:
if isChinese(ch) is False:
return False
return True
def isAllAlpha(word: Union[List[Any], str]):
word_lists = []
for i in word:
cur = i.replace(" ", "")
cur = cur.replace("</s>", "")
cur = cur.replace("<s>", "")
word_lists.append(cur)
if len(word_lists) == 0:
return False
for ch in word_lists:
if ch.isalpha() is False and ch != "'":
return False
elif ch.isalpha() is True and isChinese(ch) is True:
return False
return True
# 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
if len(words[num]) == 1 and words[num].encode("utf-8").isalpha():
if (
num + 1 < words_size
and words[num + 1] == " "
and num + 2 < words_size
and len(words[num + 2]) == 1
and words[num + 2].encode("utf-8").isalpha()
):
# found the begin of abbr
abbr_begin.append(num)
num += 2
abbr_end.append(num)
# to find the end of abbr
while True:
num += 1
if num < words_size and words[num] == " ":
num += 1
if (
num < words_size
and len(words[num]) == 1
and words[num].encode("utf-8").isalpha()
):
abbr_end.pop()
abbr_end.append(num)
last_num = num
else:
break
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 num in abbr_end:
word_lists.append(words[num].upper())
last_num = num
break
else:
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
if time_stamp is not None:
return word_lists, ts_lists
else:
return word_lists
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:
word = ""
if isinstance(i, str):
word = i
else:
word = i.decode("utf-8")
if word in ["<s>", "</s>", "<unk>"]:
continue
else:
middle_lists.append(word)
# all chinese characters
if isAllChinese(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):
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
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))
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
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