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PaddleSpeech/paddlespeech/t2s/frontend/zh_normalization/chronology.py

135 lines
3.5 KiB

# Copyright (c) 2021 PaddlePaddle Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import re
from .num import DIGITS
from .num import num2str
from .num import verbalize_cardinal
from .num import verbalize_digit
def _time_num2str(num_string: str) -> str:
"""A special case for verbalizing number in time."""
result = num2str(num_string.lstrip('0'))
if num_string.startswith('0'):
result = DIGITS['0'] + result
return result
# 时刻表达式
RE_TIME = re.compile(r'([0-1]?[0-9]|2[0-3])'
r':([0-5][0-9])'
r'(:([0-5][0-9]))?')
# 时间范围如8:30-12:30
RE_TIME_RANGE = re.compile(r'([0-1]?[0-9]|2[0-3])'
r':([0-5][0-9])'
r'(:([0-5][0-9]))?'
r'(~|-)'
r'([0-1]?[0-9]|2[0-3])'
r':([0-5][0-9])'
r'(:([0-5][0-9]))?')
def replace_time(match) -> str:
"""
Parameters
----------
match : re.Match
Returns
----------
str
"""
is_range = len(match.groups()) > 5
hour = match.group(1)
minute = match.group(2)
second = match.group(4)
if is_range:
hour_2 = match.group(6)
minute_2 = match.group(7)
second_2 = match.group(9)
result = f"{num2str(hour)}"
if minute.lstrip('0'):
result += f"{_time_num2str(minute)}"
if second and second.lstrip('0'):
result += f"{_time_num2str(second)}"
if is_range:
result += ""
result += f"{num2str(hour_2)}"
if minute_2.lstrip('0'):
result += f"{_time_num2str(minute_2)}"
if second_2 and second_2.lstrip('0'):
result += f"{_time_num2str(second_2)}"
return result
RE_DATE = re.compile(r'(\d{4}|\d{2})年'
r'((0?[1-9]|1[0-2])月)?'
r'(((0?[1-9])|((1|2)[0-9])|30|31)([日号]))?')
def replace_date(match) -> str:
"""
Parameters
----------
match : re.Match
Returns
----------
str
"""
year = match.group(1)
month = match.group(3)
day = match.group(5)
result = ""
if year:
result += f"{verbalize_digit(year)}"
if month:
result += f"{verbalize_cardinal(month)}"
if day:
result += f"{verbalize_cardinal(day)}{match.group(9)}"
return result
# 用 / 或者 - 分隔的 YY/MM/DD 或者 YY-MM-DD 日期
RE_DATE2 = re.compile(
r'(\d{4})([- /.])(0[1-9]|1[012])\2(0[1-9]|[12][0-9]|3[01])')
def replace_date2(match) -> str:
"""
Parameters
----------
match : re.Match
Returns
----------
str
"""
year = match.group(1)
month = match.group(3)
day = match.group(4)
result = ""
if year:
result += f"{verbalize_digit(year)}"
if month:
result += f"{verbalize_cardinal(month)}"
if day:
result += f"{verbalize_cardinal(day)}"
return result