mirror of
https://github.com/morpheus65535/bazarr.git
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111 lines
3.4 KiB
Python
111 lines
3.4 KiB
Python
__copyright__ = "Copyright (C) 2020 Nidhal Baccouri"
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import os
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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 (
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BASE_URLS,
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DEEPL_ENV_VAR,
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DEEPL_LANGUAGE_TO_CODE,
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)
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from deep_translator.exceptions import (
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ApiKeyException,
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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, request_failed
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class DeeplTranslator(BaseTranslator):
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"""
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class that wraps functions, which use the DeeplTranslator translator
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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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source: str = "de",
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target: str = "en",
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api_key: Optional[str] = os.getenv(DEEPL_ENV_VAR, None),
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use_free_api: bool = True,
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**kwargs
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):
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"""
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@param api_key: your DeeplTranslator api key.
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Get one here: https://www.deepl.com/docs-api/accessing-the-api/
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@param source: source language
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@param target: target language
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"""
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if not api_key:
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raise ApiKeyException(env_var=DEEPL_ENV_VAR)
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self.version = "v2"
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self.api_key = api_key
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url = (
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BASE_URLS.get("DEEPL_FREE").format(version=self.version)
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if use_free_api
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else BASE_URLS.get("DEEPL").format(version=self.version)
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)
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super().__init__(
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base_url=url,
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source=source,
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target=target,
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languages=DEEPL_LANGUAGE_TO_CODE,
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**kwargs
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)
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def translate(self, text: str, **kwargs) -> str:
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"""
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@param text: text to translate
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@return: 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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# Create the request parameters.
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translate_endpoint = "translate"
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params = {
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"auth_key": self.api_key,
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"source_lang": self._source,
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"target_lang": self._target,
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"text": text,
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}
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# Do the request and check the connection.
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try:
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response = requests.get(
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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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if request_failed(status_code=response.status_code):
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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["translations"][0]["text"]
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def translate_file(self, path: str, **kwargs) -> str:
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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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@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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if __name__ == "__main__":
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d = DeeplTranslator(target="en", api_key="some-key")
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t = d.translate("Ich habe keine ahnung")
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print("text: ", t)
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