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from bs4 import BeautifulSoup
import requests
from deep_translator.constants import BASE_URLS, PONS_LANGUAGES_TO_CODES, PONS_CODES_TO_LANGUAGES
from deep_translator.exceptions import LanguageNotSupportedException, ElementNotFoundInGetRequest, NotValidPayload
from deep_translator.parent import BaseTranslator
from requests.utils import requote_uri
class PonsTranslator(BaseTranslator):
"""
class that uses PONS translator to translate words
"""
_languages = PONS_LANGUAGES_TO_CODES
supported_languages = list(_languages.keys())
def __init__(self, source, target="english"):
"""
@param source: source language to translate from
@param target: target language to translate to
"""
self.__base_url = BASE_URLS.get("PONS")
if self.is_language_supported(source, target):
self._source, self._target = self._map_language_to_code(source, target)
super().__init__(base_url=self.__base_url,
source=self._source,
target=self._target,
payload_key=None,
element_tag='div',
element_query={"class": "target"}
)
@staticmethod
def get_supported_languages(as_dict=False):
return PonsTranslator.supported_languages if not as_dict else PonsTranslator._languages
def _map_language_to_code(self, *languages, **kwargs):
"""
@param language: type of language
@return: mapped value of the language or raise an exception if the language is not supported
"""
for language in languages:
if language in PONS_LANGUAGES_TO_CODES.values():
yield PONS_CODES_TO_LANGUAGES[language]
elif language in PONS_LANGUAGES_TO_CODES.keys():
yield language
else:
raise LanguageNotSupportedException(language)
def is_language_supported(self, *languages, **kwargs):
for lang in languages:
if lang not in PONS_LANGUAGES_TO_CODES.keys():
if lang not in PONS_LANGUAGES_TO_CODES.values():
raise LanguageNotSupportedException(lang)
return True
def translate(self, word, **kwargs):
if self._validate_payload(word):
url = "{}{}-{}/{}".format(self.__base_url, self._source, self._target, word)
url = requote_uri(url)
response = requests.get(url)
soup = BeautifulSoup(response.text, 'html.parser')
elements = soup.findAll(self._element_tag, self._element_query)
if not elements:
raise ElementNotFoundInGetRequest(elements)
eof = []
for el in elements:
temp = ''
for e in el.findAll('a'):
if e.parent.name == 'div':
if e and "/translate/{}-{}/".format(self._target, self._source) in e.get('href'):
temp += e.get_text() + ' '
if not kwargs.get('return_all'):
return temp
eof.append(temp)
if 'return_all' in kwargs and kwargs.get('return_all'):
return [word for word in eof if word and len(word) > 1]
def translate_words(self, words, **kwargs):
if not words:
raise NotValidPayload(words)
translated_words = []
for word in words:
translated_words.append(self.translate(payload=word))
return translated_words
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