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| """ This code is modified from https://github.com/keithito/tacotron """ |
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| import inflect |
| import re |
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| _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]+") |
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|
| def _remove_commas(m): |
| return m.group(1).replace(",", "") |
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| def _expand_decimal_point(m): |
| return m.group(1).replace(".", " point ") |
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| def _expand_dollars(m): |
| match = m.group(1) |
| parts = match.split(".") |
| if len(parts) > 2: |
| return match + " dollars" |
| 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" |
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| def _expand_ordinal(m): |
| return _inflect.number_to_words(m.group(0)) |
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| 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="") |
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|
| 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 |
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|
