mirror of
https://github.com/morpheus65535/bazarr
synced 2024-12-25 17:17:12 +00:00
113 lines
3.7 KiB
Python
113 lines
3.7 KiB
Python
"""
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LibreTranslate API
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"""
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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, LIBRE_LANGUAGES_TO_CODES
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from deep_translator.exceptions import (
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AuthorizationException,
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ServerException,
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TranslationNotFound,
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)
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from deep_translator.validate import is_empty, is_input_valid
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class LibreTranslator(BaseTranslator):
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"""
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class that wraps functions, which use libre translator under the hood to translate text(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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source: str = "en",
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target: str = "es",
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use_free_api: bool = True,
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custom_url: Optional[str] = None,
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**kwargs
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):
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"""
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@param api_key: your api key
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@param source: source language to translate from
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List of LibreTranslate endpoint can be found at : https://github.com/LibreTranslate/LibreTranslate#mirrors
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Some require an API key
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@param target: target language to translate to
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@param use_free_api: set True if you want to use the free api. This means a url that does not require and api key would be used
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@param custom_url: you can use a custom endpoint
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"""
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self.api_key = api_key
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url = BASE_URLS.get("LIBRE") if not use_free_api else BASE_URLS.get('LIBRE_FREE')
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super().__init__(
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base_url=url if not custom_url else custom_url,
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source=source,
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target=target,
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languages=LIBRE_LANGUAGES_TO_CODES,
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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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if is_input_valid(text):
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if self._same_source_target() or is_empty(text):
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return text
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translate_endpoint = "translate"
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params = {
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"q": text,
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"source": self._source,
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"target": self._target,
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"format": "text",
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}
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# Add API Key if required
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if self.api_key:
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params["api_key"] = self.api_key
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# Do the request and check the connection.
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try:
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response = requests.post(
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self._base_url + translate_endpoint, params=params
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)
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except ConnectionError:
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raise ServerException(503)
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# If the answer is not success, raise server exception.
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if response.status_code == 403:
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raise AuthorizationException(self.api_key)
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elif response.status_code != 200:
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raise ServerException(response.status_code)
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# Get the response and check is not empty.
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res = response.json()
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if not res:
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raise TranslationNotFound(text)
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# Process and return the response.
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return res["translatedText"]
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def translate_file(self, path: str, **kwargs) -> str:
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"""
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translate directly from file
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@param path: path to the target file
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@type path: str
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@param kwargs: additional args
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@return: str
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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 list of texts
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@param batch: list of texts you want 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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if __name__ == '__main__':
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l = LibreTranslator(source="en", target="de")
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res = l.translate("good")
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print("res: ", res)
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