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| # Copyright (c) 2023 Amphion. | |
| # | |
| # This source code is licensed under the MIT license found in the | |
| # LICENSE file in the root directory of this source tree. | |
| """ This code is modified from https://github.com/keithito/tacotron """ | |
| import inflect | |
| import re | |
| _inflect = inflect.engine() | |
| _comma_number_re = re.compile(r"([0-9][0-9\,]+[0-9])") | |
| _decimal_number_re = re.compile(r"([0-9]+\.[0-9]+)") | |
| _pounds_re = re.compile(r"£([0-9\,]*[0-9]+)") | |
| _dollars_re = re.compile(r"\$([0-9\.\,]*[0-9]+)") | |
| _ordinal_re = re.compile(r"[0-9]+(st|nd|rd|th)") | |
| _number_re = re.compile(r"[0-9]+") | |
| def _remove_commas(m): | |
| return m.group(1).replace(",", "") | |
| def _expand_decimal_point(m): | |
| return m.group(1).replace(".", " point ") | |
| def _expand_dollars(m): | |
| match = m.group(1) | |
| parts = match.split(".") | |
| if len(parts) > 2: | |
| return match + " dollars" # Unexpected format | |
| dollars = int(parts[0]) if parts[0] else 0 | |
| cents = int(parts[1]) if len(parts) > 1 and parts[1] else 0 | |
| if dollars and cents: | |
| dollar_unit = "dollar" if dollars == 1 else "dollars" | |
| cent_unit = "cent" if cents == 1 else "cents" | |
| return "%s %s, %s %s" % (dollars, dollar_unit, cents, cent_unit) | |
| elif dollars: | |
| dollar_unit = "dollar" if dollars == 1 else "dollars" | |
| return "%s %s" % (dollars, dollar_unit) | |
| elif cents: | |
| cent_unit = "cent" if cents == 1 else "cents" | |
| return "%s %s" % (cents, cent_unit) | |
| else: | |
| return "zero dollars" | |
| def _expand_ordinal(m): | |
| return _inflect.number_to_words(m.group(0)) | |
| def _expand_number(m): | |
| num = int(m.group(0)) | |
| if num > 1000 and num < 3000: | |
| if num == 2000: | |
| return "two thousand" | |
| elif num > 2000 and num < 2010: | |
| return "two thousand " + _inflect.number_to_words(num % 100) | |
| elif num % 100 == 0: | |
| return _inflect.number_to_words(num // 100) + " hundred" | |
| else: | |
| return _inflect.number_to_words( | |
| num, andword="", zero="oh", group=2 | |
| ).replace(", ", " ") | |
| else: | |
| return _inflect.number_to_words(num, andword="") | |
| def normalize_numbers(text): | |
| text = re.sub(_comma_number_re, _remove_commas, text) | |
| text = re.sub(_pounds_re, r"\1 pounds", text) | |
| text = re.sub(_dollars_re, _expand_dollars, text) | |
| text = re.sub(_decimal_number_re, _expand_decimal_point, text) | |
| text = re.sub(_ordinal_re, _expand_ordinal, text) | |
| text = re.sub(_number_re, _expand_number, text) | |
| return text | |