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- import regex
- import unicodedata
- from fast_langdetect import detect_langs
- RE_BAD_CHARS = regex.compile(r"\p{Cc}|\p{Cs}")
- def remove_bad_chars(text):
- return RE_BAD_CHARS.sub("", text)
- def detect_lang(text: str) -> str:
- if len(text) == 0:
- return ""
- try:
- lang_upper = detect_langs(text)
- except:
- html_no_ctrl_chars = ''.join([l for l in text if unicodedata.category(l)[0] not in ['C', ]])
- lang_upper = detect_langs(html_no_ctrl_chars)
- try:
- lang = lang_upper.lower()
- except:
- lang = ""
- return lang
- if __name__ == '__main__':
- print(detect_lang("This is a test."))
- print(detect_lang("<html>This is a test</html>"))
- print(detect_lang("这个是中文测试。"))
- print(detect_lang("<html>这个是中文测试。</html>"))
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