--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/eric7/Plugins/UiExtensionPlugins/Translator/TranslatorEngines/YandexEngine.py Thu Jul 07 11:23:56 2022 +0200 @@ -0,0 +1,132 @@ +# -*- coding: utf-8 -*- + +# Copyright (c) 2014 - 2022 Detlev Offenbach <detlev@die-offenbachs.de> +# + +""" +Module implementing the Yandex translation engine. +""" + +import json + +from PyQt6.QtCore import QUrl, QByteArray, QTimer + +import Utilities + +from .TranslationEngine import TranslationEngine + + +class YandexEngine(TranslationEngine): + """ + Class implementing the translation engine for the Yandex + translation service. + """ + TranslatorUrl = "https://translate.yandex.net/api/v1.5/tr.json/translate" + TranslatorLimit = 10000 + + def __init__(self, plugin, parent=None): + """ + Constructor + + @param plugin reference to the plugin object + @type TranslatorPlugin + @param parent reference to the parent object + @type QObject + """ + super().__init__(plugin, parent) + + self.__errors = { + 401: self.tr("Yandex: Invalid API key."), + 402: self.tr("Yandex: API key has been blocked."), + 403: self.tr("Yandex: Daily limit for requests has been reached."), + 404: self.tr("Yandex: Daily limit for the volume of translated" + " text reached."), + 413: self.tr("Yandex: Text size exceeds the maximum."), + 422: self.tr("Yandex: Text could not be translated."), + 501: self.tr("Yandex: The specified translation direction is not" + " supported."), + } + + QTimer.singleShot(0, self.availableTranslationsLoaded.emit) + + def engineName(self): + """ + Public method to return the name of the engine. + + @return engine name + @rtype str + """ + return "yandex" + + def supportedLanguages(self): + """ + Public method to get the supported languages. + + @return list of supported language codes + @rtype list of str + """ + return ["ar", "be", "bg", "bs", "ca", "cs", "da", "de", "el", "en", + "es", "et", "fi", "fr", "ga", "gl", "hi", "hr", "hu", "id", + "is", "it", "iw", "ja", "ka", "ko", "lt", "lv", "mk", "mt", + "nl", "no", "pl", "pt", "ro", "ru", "sk", "sl", "sq", "sr", + "sv", "th", "tl", "tr", "uk", "vi", "zh-CN", "zh-TW", + ] + + def getTranslation(self, requestObject, text, originalLanguage, + translationLanguage): + """ + Public method to translate the given text. + + @param requestObject reference to the request object + @type TranslatorRequest + @param text text to be translated + @type str + @param originalLanguage language code of the original + @type str + @param translationLanguage language code of the translation + @type str + @return tuple of translated text and flag indicating success + @rtype tuple of (str, bool) + """ + if len(text) > self.TranslatorLimit: + return ( + self.tr("Yandex: Only texts up to {0} characters are allowed.") + .format(self.TranslatorLimit), + False + ) + + apiKey = self.plugin.getPreferences("YandexKey") + if not apiKey: + return self.tr("Yandex: A valid key is required."), False + + params = QByteArray( + "key={0}&lang={1}-{2}&text=".format( + apiKey, originalLanguage, translationLanguage).encode("utf-8")) + encodedText = ( + QByteArray(Utilities.html_encode(text).encode("utf-8")) + .toPercentEncoding() + ) + request = params + encodedText + response, ok = requestObject.post(QUrl(self.TranslatorUrl), request) + if ok: + try: + responseDict = json.loads(response) + except ValueError: + return self.tr("Yandex: Invalid response received"), False + + if responseDict["code"] != 200: + try: + error = self.__errors[responseDict["code"]] + except KeyError: + error = self.tr( + "Yandex: Unknown error code ({0}) received." + ).format(responseDict["code"]) + return error, False + + sentences = responseDict["text"] + result = "" + for sentence in sentences: + result += sentence.replace("\n", "<br/>") + else: + result = response + return result, ok