Python - Google translate(구글 번역) API 사용 방법

$ pip install googletrans

from googletrans import Translator
translator = Translator()
result = translator.translate('안녕하세요.', dest="ja")
print(result[0].text)

こんにちは

>>> translator.detect('이 문장은 한글로 쓰여졌습니다.')
# <Detected lang=ko confidence=0.27041003>
>>> translator.detect('この文章は日本語で書かれました。')
# <Detected lang=ja confidence=0.64889508>
>>> translator.detect('This sentence is written in English.')
# <Detected lang=en confidence=0.22348526>

$ pip install --upgrade google-cloud-translate

export GOOGLE_APPLICATION_CREDENTIALS="/home/.../myproject-f4f4ad4248b0.json"

from google.cloud import translate_v2 as translate

client = translate.Client()
result = client.translate('안녕하세요', target_language='ja')
print(result['translatedText'])

こんにちは

from google.cloud import translate_v3beta1 as translate

client = translate.TranslationServiceClient()
response = client.translate_text(
    parent=parent,
    contents=["안녕하세요"],
    mime_type='text/plain',  # mime types: text/plain, text/html
    source_language_code='ko',
    target_language_code='ja')

for translation in response.translations:
    print('Translated Text: {}'.format(translation))