| import re | |
| import inflect | |
| _inflect = inflect.engine() | |
| _time_re = re.compile( | |
| r"""\b | |
| ((0?[0-9])|(1[0-1])|(1[2-9])|(2[0-3])) # hours | |
| : | |
| ([0-5][0-9]) # minutes | |
| \s*(a\\.m\\.|am|pm|p\\.m\\.|a\\.m|p\\.m)? # am/pm | |
| \b""", | |
| re.IGNORECASE | re.X, | |
| ) | |
| def _expand_num(n: int) -> str: | |
| return _inflect.number_to_words(n) | |
| def _expand_time_english(match: "re.Match") -> str: | |
| hour = int(match.group(1)) | |
| past_noon = hour >= 12 | |
| time = [] | |
| if hour > 12: | |
| hour -= 12 | |
| elif hour == 0: | |
| hour = 12 | |
| past_noon = True | |
| time.append(_expand_num(hour)) | |
| minute = int(match.group(6)) | |
| if minute > 0: | |
| if minute < 10: | |
| time.append("oh") | |
| time.append(_expand_num(minute)) | |
| am_pm = match.group(7) | |
| if am_pm is None: | |
| time.append("p m" if past_noon else "a m") | |
| else: | |
| time.extend(list(am_pm.replace(".", ""))) | |
| return " ".join(time) | |
| def expand_time_english(text: str) -> str: | |
| return re.sub(_time_re, _expand_time_english, text) |