Task 4 Solution

""" Author: Marco Ng Description: Controller module that handles translations using calls to IBM Watson Language Translator service. """

import json import os from ibm_watson import LanguageTranslatorV3 from ibm_cloud_sdk_core.authenticators import IAMAuthenticator

from dotenv import load_dotenv

load_dotenv()

apikey = os.environ['apikey'] url = os.environ['url'] version = os.environ['version']

authenticator = IAMAuthenticator(apikey) language_translator = LanguageTranslatorV3( version=version, authenticator=authenticator )

language_translator.set_service_url(url)

def english_to_french(english_text): """ Takes input text in English and returns output text in French :param english_text: Input text in English :returns: Output text in French """ french_text = __translate(english_text, 'en', 'fr') return french_text

def __translate(text, lang1code, lang2code): """ Wrapper function that handles service call and output handling :param text: Input text :param lang1code: Two-character code source language (e.g. en=English, fr=French) :param lang1code: Two-character code for target language (e.g. en=English, fr=French) :returns: Output text in English """ result = language_translator.translate( text=text, model_id=lang1code+'-'+lang2code ).get_result() return result['translations'][0]['translation'] if (len(result['translations'])>0)
else 'Error: No translations available...'

def french_to_english(french_text): """ Takes input text in French and returns output text in English :param french_text: Input text in French :returns: Output text in English """ english_text = __translate(french_text, 'fr', 'en') return english_text