mirror of
https://github.com/morpheus65535/bazarr
synced 2024-12-26 09:37:25 +00:00
125 lines
4.5 KiB
Python
125 lines
4.5 KiB
Python
# -*- coding: utf-8 -*-
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import logging
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import sys
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from typing import List, Optional
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import requests
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from deep_translator.base import BaseTranslator
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from deep_translator.constants import BASE_URLS
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from deep_translator.exceptions import MicrosoftAPIerror, ServerException
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from deep_translator.validate import is_input_valid
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class MicrosoftTranslator(BaseTranslator):
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"""
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the class that wraps functions, which use the Microsoft translator under the hood to translate word(s)
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"""
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def __init__(
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self,
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api_key: Optional[str] = None,
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region: Optional[str] = None,
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source: str = "auto",
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target: str = "en",
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proxies: Optional[dict] = None,
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**kwargs,
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):
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"""
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@params api_key and target are the required params
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@param api_key: your Microsoft API key
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@param region: your Microsoft Location
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"""
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if not api_key:
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raise ServerException(401)
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self.api_key = api_key
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self.proxies = proxies
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self.headers = {
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"Ocp-Apim-Subscription-Key": self.api_key,
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"Content-type": "application/json",
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}
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# region is not required but very common and goes to headers if passed
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if region:
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self.region = region
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self.headers["Ocp-Apim-Subscription-Region"] = self.region
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super().__init__(
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base_url=BASE_URLS.get("MICROSOFT_TRANSLATE"),
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source=source,
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target=target,
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languages=self._get_supported_languages(),
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**kwargs,
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)
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# this function get the actual supported languages of the msft translator and store them in a dict, where
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# the keys are the abbreviations and the values are the languages
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# a common variable used in the other translators would be: MICROSOFT_CODES_TO_LANGUAGES
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def _get_supported_languages(self):
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microsoft_languages_api_url = (
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"https://api.cognitive.microsofttranslator.com/languages?api-version=3.0&scope"
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"=translation "
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)
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microsoft_languages_response = requests.get(microsoft_languages_api_url)
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translation_dict = microsoft_languages_response.json()["translation"]
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return {
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translation_dict[k]["name"].lower(): k.lower()
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for k in translation_dict.keys()
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}
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def translate(self, text: str, **kwargs) -> str:
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"""
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function that uses microsoft translate to translate a text
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@param text: desired text to translate
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@return: str: translated text
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"""
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# a body must be a list of dicts to process multiple texts;
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# I have not added multiple text processing here since it is covered by the translate_batch method
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response = None
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if is_input_valid(text):
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self._url_params["from"] = self._source
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self._url_params["to"] = self._target
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valid_microsoft_json = [{"text": text}]
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try:
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response = requests.post(
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self._base_url,
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params=self._url_params,
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headers=self.headers,
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json=valid_microsoft_json,
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proxies=self.proxies,
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)
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except requests.exceptions.RequestException:
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exc_type, value, traceback = sys.exc_info()
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logging.warning(f"Returned error: {exc_type.__name__}")
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# Where Microsoft API responds with an api error, it returns a dict in response.json()
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if type(response.json()) is dict:
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error_message = response.json()["error"]
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raise MicrosoftAPIerror(error_message)
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# Where it responds with a translation, its response.json() is a list
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# e.g. [{'translations': [{'text':'Hello world!', 'to': 'en'}]}]
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elif type(response.json()) is list:
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all_translations = [
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i["text"] for i in response.json()[0]["translations"]
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]
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return "\n".join(all_translations)
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def translate_file(self, path: str, **kwargs) -> str:
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"""
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translate from a file
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@param path: path to file
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@return: translated text
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"""
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return self._translate_file(path, **kwargs)
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def translate_batch(self, batch: List[str], **kwargs) -> List[str]:
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"""
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translate a batch of texts
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@param batch: list of texts to translate
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@return: list of translations
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"""
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return self._translate_batch(batch, **kwargs)
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