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| import num2words | |
| import re | |
| def preprocess_text(text): | |
| text = text.lower() | |
| # currencies | |
| text = text.replace("$", "долар") | |
| text = text.replace("₴", "гривня") | |
| text = text.replace("€", "євро") | |
| # replace apostrophe | |
| text = text.replace("`", "'") | |
| text = text.replace("ʼ", "'") | |
| text = text.replace("…", "...") | |
| symbols = { | |
| "”": '"', | |
| "“": '"', | |
| "’": '"', | |
| "‘": '"', | |
| "«": '"', | |
| "»": '"', | |
| "–": "-", | |
| "—": "-", | |
| "―": "-", | |
| } | |
| for symbol in symbols.keys(): | |
| text = text.replace(symbol, symbols[symbol]) | |
| # numbers | |
| text = re.sub(r"(\d)\s+(\d)", r"\1\2", text) | |
| def detect_num_and_convert(word): | |
| numbers = "0123456789,." | |
| result = [] | |
| parts = word.split("-") # for handling complex words | |
| for part in parts: | |
| is_number = all(map(lambda x: x in numbers, part)) | |
| if is_number: | |
| try: | |
| result.append(num2words.num2words(part, lang="uk")) | |
| except: | |
| result.append(part) | |
| else: | |
| result.append(part) | |
| return "-".join(result) | |
| # print([detect_num_and_convert(word) for word in text.split(" ")]) | |
| text = " ".join([detect_num_and_convert(word) for word in text.split(" ")]) | |
| # fallback numbers | |
| text = text.replace("1", "один ") | |
| text = text.replace("2", "два ") | |
| text = text.replace("3", "три ") | |
| text = text.replace("4", "чотири ") | |
| text = text.replace("5", "п'ять ") | |
| text = text.replace("6", "шість ") | |
| text = text.replace("7", "сім ") | |
| text = text.replace("8", "вісім ") | |
| text = text.replace("9", "дев'ять ") | |
| text = text.replace("0", "нуль ") | |
| # speak english alphabet using brute force transliteration | |
| english = { | |
| "qu": "кв", | |
| "ch": "ч", | |
| "ph": "ф", | |
| "a": "а", | |
| "b": "б", | |
| "c": "ц", | |
| "d": "д", | |
| "e": "е", | |
| "f": "ф", | |
| "g": "ґ", | |
| "h": "г", | |
| "i": "і", | |
| "j": "дж", | |
| "k": "к", | |
| "l": "л", | |
| "m": "м", | |
| "n": "н", | |
| "o": "о", | |
| "p": "п", | |
| "q": "кв", | |
| "r": "р", | |
| "s": "с", | |
| "t": "т", | |
| "u": "ю", | |
| "v": "в", | |
| "w": "в", | |
| "x": "кс", | |
| "y": "і", | |
| "z": "з", | |
| } | |
| for english_char in english.keys(): | |
| # uppercase | |
| text = text.replace(english_char.upper(), english[english_char].upper()) | |
| text = text.replace(english_char, english[english_char]) | |
| return text | |