src/deepl.py

import requests
import os 
import unicodedata
from langdetect import detect
import deepl
from dotenv import load_dotenv, find_dotenv
_ = load_dotenv(find_dotenv())



DEBUG=os.getenv("DEBUG")
DEEPL_URL="https://api-free.deepl.com/v2/translate"

def DeepL(text,source_lang="JA",target_lang="EN",API_KEY=os.getenv("DEEPL")):
#paraters パラメータの指定
  params = {
              'auth_key' : API_KEY,
              'text' : text,
              'source_lang' : source_lang, # 翻訳対象の言語
              "target_lang": target_lang  # 翻訳後の言語
          }
  # リクエストを投げる
  request = requests.post(DEEPL_URL, data=params) # URIは有償版, 無償版で異なるため要注意
  result = request.json()
  if DEBUG:
    print("DeepL Request print")
    print(result)
  if "translations" not in result:
     print("DEEPL ERROR")
     print(result)
     return "404"
  return result["translations"][0]["text"]

def detect_and_translate(text):
    # Detect language
    try:
        lang = detect(text)
        print(lang)
    except:
        return "Error detecting language"
    
    # If language is not English, translate it
    if lang != "en":
       
        text=DeepL(text,source_lang=lang,target_lang="EN",API_KEY=os.getenv("DEEPL"))
        
    
    return text

def main():
  test_test="DEEPLのテストの翻訳です"
  print(detect_and_translate(test_test))

if __name__=="__main__":
  main()