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| from config import LANGUAGE_IDENTIFICATION_LIBRARY | |
| module = LANGUAGE_IDENTIFICATION_LIBRARY.lower() | |
| langid_languages = ["af", "am", "an", "ar", "as", "az", "be", "bg", "bn", "br", "bs", "ca", "cs", "cy", "da", "de", "dz", "el", | |
| "en", "eo", "es", "et", "eu", "fa", "fi", "fo", "fr", "ga", "gl", "gu", "he", "hi", "hr", "ht", "hu", "hy", | |
| "id", "is", "it", "ja", "jv", "ka", "kk", "km", "kn", "ko", "ku", "ky", "la", "lb", "lo", "lt", "lv", "mg", | |
| "mk", "ml", "mn", "mr", "ms", "mt", "nb", "ne", "nl", "nn", "no", "oc", "or", "pa", "pl", "ps", "pt", "qu", | |
| "ro", "ru", "rw", "se", "si", "sk", "sl", "sq", "sr", "sv", "sw", "ta", "te", "th", "tl", "tr", "ug", "uk", | |
| "ur", "vi", "vo", "wa", "xh", "zh", "zu"] | |
| def classify_language(text: str, target_languages: list = None) -> str: | |
| if module == "fastlid" or module == "fasttext": | |
| from fastlid import fastlid, supported_langs | |
| classifier = fastlid | |
| if target_languages != None: | |
| target_languages = [lang for lang in target_languages if lang in supported_langs] | |
| fastlid.set_languages = target_languages | |
| elif module == "langid": | |
| import langid | |
| classifier = langid.classify | |
| if target_languages != None: | |
| target_languages = [lang for lang in target_languages if lang in langid_languages] | |
| langid.set_languages(target_languages) | |
| else: | |
| raise ValueError(f"Wrong LANGUAGE_IDENTIFICATION_LIBRARY in config.py") | |
| lang = classifier(text)[0] | |
| return lang | |
| def classify_zh_ja(text: str) -> str: | |
| for idx, char in enumerate(text): | |
| unicode_val = ord(char) | |
| # 检测日语字符 | |
| if 0x3040 <= unicode_val <= 0x309F or 0x30A0 <= unicode_val <= 0x30FF: | |
| return "ja" | |
| # 检测汉字字符 | |
| if 0x4E00 <= unicode_val <= 0x9FFF: | |
| # 检查周围的字符 | |
| next_char = text[idx + 1] if idx + 1 < len(text) else None | |
| if next_char and (0x3040 <= ord(next_char) <= 0x309F or 0x30A0 <= ord(next_char) <= 0x30FF): | |
| return "ja" | |
| return "zh" | |
| if __name__ == "__main__": | |
| text = "这是一个测试文本" | |
| print(classify_language(text)) | |
| print(classify_zh_ja(text)) # "zh" | |
| text = "これはテストテキストです" | |
| print(classify_language(text)) | |
| print(classify_zh_ja(text)) # "ja" | |