mirror of https://github.com/morpheus65535/bazarr
137 lines
5.1 KiB
Python
137 lines
5.1 KiB
Python
"""
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pons translator API
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"""
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from bs4 import BeautifulSoup
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import requests
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from deep_translator.constants import BASE_URLS, PONS_LANGUAGES_TO_CODES, PONS_CODES_TO_LANGUAGES
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from deep_translator.exceptions import (LanguageNotSupportedException,
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TranslationNotFound,
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NotValidPayload,
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ElementNotFoundInGetRequest,
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RequestError,
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TooManyRequests)
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from deep_translator.parent import BaseTranslator
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from requests.utils import requote_uri
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class PonsTranslator(BaseTranslator):
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"""
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class that uses PONS translator to translate words
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"""
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_languages = PONS_LANGUAGES_TO_CODES
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supported_languages = list(_languages.keys())
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def __init__(self, source, target="english"):
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"""
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@param source: source language to translate from
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@param target: target language to translate to
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"""
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self.__base_url = BASE_URLS.get("PONS")
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if self.is_language_supported(source, target):
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self._source, self._target = self._map_language_to_code(source, target)
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super().__init__(base_url=self.__base_url,
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source=self._source,
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target=self._target,
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payload_key=None,
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element_tag='div',
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element_query={"class": "target"}
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)
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@staticmethod
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def get_supported_languages(as_dict=False):
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"""
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return the supported languages by the linguee translator
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@param as_dict: if True, the languages will be returned as a dictionary mapping languages to their abbreviations
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@return: list or dict
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"""
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return PonsTranslator.supported_languages if not as_dict else PonsTranslator._languages
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def _map_language_to_code(self, *languages, **kwargs):
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"""
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map language to its corresponding code (abbreviation) if the language was passed by its full name by the user
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@param languages: list of languages
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@return: mapped value of the language or raise an exception if the language is not supported
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"""
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for language in languages:
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if language in self._languages.values():
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yield PONS_CODES_TO_LANGUAGES[language]
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elif language in self._languages.keys():
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yield language
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else:
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raise LanguageNotSupportedException(language)
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def is_language_supported(self, *languages, **kwargs):
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"""
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check if the language is supported by the translator
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@param languages: list of languages
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@return: bool or raise an Exception
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"""
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for lang in languages:
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if lang not in self._languages.keys():
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if lang not in self._languages.values():
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raise LanguageNotSupportedException(lang)
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return True
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def translate(self, word, return_all=False, **kwargs):
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"""
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function that uses PONS to translate a word
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@param word: word to translate
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@type word: str
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@param return_all: set to True to return all synonym of the translated word
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@type return_all: bool
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@return: str: translated word
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"""
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if self._validate_payload(word, max_chars=50):
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url = "{}{}-{}/{}".format(self.__base_url, self._source, self._target, word)
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url = requote_uri(url)
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response = requests.get(url)
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if response.status_code == 429:
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raise TooManyRequests()
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if response.status_code != 200:
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raise RequestError()
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soup = BeautifulSoup(response.text, 'html.parser')
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elements = soup.findAll(self._element_tag, self._element_query)
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if not elements:
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raise ElementNotFoundInGetRequest(word)
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filtered_elements = []
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for el in elements:
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temp = ''
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for e in el.findAll('a'):
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if e.parent.name == 'div':
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if e and "/translate/{}-{}/".format(self._target, self._source) in e.get('href'):
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temp += e.get_text() + ' '
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filtered_elements.append(temp)
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if not filtered_elements:
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raise ElementNotFoundInGetRequest(word)
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word_list = [word for word in filtered_elements if word and len(word) > 1]
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if not word_list:
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raise TranslationNotFound(word)
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return word_list if return_all else word_list[0]
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def translate_words(self, words, **kwargs):
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"""
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translate a batch of words together by providing them in a list
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@param words: list of words you want to translate
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@param kwargs: additional args
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@return: list of translated words
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"""
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if not words:
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raise NotValidPayload(words)
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translated_words = []
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for word in words:
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translated_words.append(self.translate(payload=word))
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return translated_words
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