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  1. # -*- coding: utf-8 -*-
  2. import random
  3. from hashlib import md5
  4. import requests
  5. from config import conf
  6. from translate.translator import Translator
  7. # from langid import classify
  8. class BaiduTranslator(Translator):
  9. def __init__(self) -> None:
  10. super().__init__()
  11. endpoint = "http://api.fanyi.baidu.com"
  12. path = "/api/trans/vip/translate"
  13. self.url = endpoint + path
  14. self.appid = conf().get("baidu_translate_app_id")
  15. self.appkey = conf().get("baidu_translate_app_key")
  16. # For list of language codes, please refer to `https://api.fanyi.baidu.com/doc/21`, need to convert to ISO 639-1 codes
  17. def translate(self, query: str, from_lang: str = "", to_lang: str = "en") -> str:
  18. if not from_lang:
  19. from_lang = "auto" # baidu suppport auto detect
  20. # from_lang = classify(query)[0]
  21. salt = random.randint(32768, 65536)
  22. sign = self.make_md5(self.appid + query + str(salt) + self.appkey)
  23. headers = {"Content-Type": "application/x-www-form-urlencoded"}
  24. payload = {"appid": self.appid, "q": query, "from": from_lang, "to": to_lang, "salt": salt, "sign": sign}
  25. retry_cnt = 3
  26. while retry_cnt:
  27. r = requests.post(self.url, params=payload, headers=headers)
  28. result = r.json()
  29. if errcode := result.get("error_code", "52000") != "52000":
  30. if errcode == "52001" or errcode == "52002":
  31. retry_cnt -= 1
  32. continue
  33. else:
  34. raise Exception(result["error_msg"])
  35. else:
  36. break
  37. text = "\n".join([item["dst"] for item in result["trans_result"]])
  38. return text
  39. def make_md5(self, s, encoding="utf-8"):
  40. return md5(s.encode(encoding)).hexdigest()