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143 lines
4.2 KiB
143 lines
4.2 KiB
"""
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Yandex translator 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
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from deep_translator.exceptions import (
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RequestError,
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ServerException,
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TooManyRequests,
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TranslationNotFound,
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)
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from deep_translator.validate import is_input_valid
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class YandexTranslator(BaseTranslator):
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"""
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class that wraps functions, which use the yandex 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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source: str = "en",
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target: str = "de",
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**kwargs
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):
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"""
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@param api_key: your yandex api key
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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.api_version = "v1.5"
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self.api_endpoints = {
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"langs": "getLangs",
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"detect": "detect",
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"translate": "translate",
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}
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super().__init__(
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base_url=BASE_URLS.get("YANDEX"), source=source, target=target, **kwargs
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)
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def _get_supported_languages(self):
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return set(x.split("-")[0] for x in self.dirs)
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@property
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def languages(self):
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return self.get_supported_languages()
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@property
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def dirs(self, proxies: Optional[dict] = None):
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try:
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url = self._base_url.format(version=self.api_version, endpoint="getLangs")
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print("url: ", url)
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response = requests.get(url, params={"key": self.api_key}, proxies=proxies)
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except requests.exceptions.ConnectionError:
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raise ServerException(503)
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else:
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data = response.json()
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if response.status_code != 200:
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raise ServerException(response.status_code)
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return data.get("dirs")
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def detect(self, text: str, proxies: Optional[dict] = None):
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response = None
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params = {
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"text": text,
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"format": "plain",
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"key": self.api_key,
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}
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try:
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url = self._base_url.format(version=self.api_version, endpoint="detect")
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response = requests.post(url, data=params, proxies=proxies)
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except RequestError:
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raise
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except ConnectionError:
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raise ServerException(503)
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except ValueError:
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raise ServerException(response.status_code)
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else:
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response = response.json()
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language = response["lang"]
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status_code = response["code"]
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if status_code != 200:
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raise RequestError()
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elif not language:
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raise ServerException(501)
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return language
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def translate(self, text: str, proxies: Optional[dict] = None, **kwargs) -> str:
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if is_input_valid(text):
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params = {
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"text": text,
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"format": "plain",
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"lang": self._target
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if self._source == "auto"
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else "{}-{}".format(self._source, self._target),
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"key": self.api_key,
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}
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try:
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url = self._base_url.format(
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version=self.api_version, endpoint="translate"
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)
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response = requests.post(url, data=params, proxies=proxies)
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except ConnectionError:
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raise ServerException(503)
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else:
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response = response.json()
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if response["code"] == 429:
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raise TooManyRequests()
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if response["code"] != 200:
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raise ServerException(response["code"])
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if not response["text"]:
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raise TranslationNotFound()
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return response["text"]
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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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