python 检测文本语言类型

1.pip install py3langid 
def langid_detect(key):
    import py3langid as langid
    lang_type = langid.classify(key)[0]
    return lang_type

2.

from polyglot.text import Text
def polyglot_detect(key):
    try:
        text = Text(key)
        return text.language.code
    except:
        pass

3.

def baidu_detect(key):
    data = {'query': key}
    url = 'https://fanyi.baidu.com/langdetect'
    try:
        res = requests.post(url=url, data=data)
        return res.json()['lan']
    except:
        pass

4.

from googletrans import Translator
def google_detect(key):
    user_agent = 'Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/78.0.3904.70 Safari/537.36'
    translator = Translator(user_agent=user_agent,timeout=40)
    try:
        langs = translator.detect(key)
        return langs.lang
    except:
        pass