--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/Plugins/UiExtensionPlugins/Translator/TranslatorEngines/GoogleV1Engine.py Sun Dec 10 16:23:29 2017 +0100
@@ -0,0 +1,163 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2014 - 2017 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing the Google V1 translation engine.
+"""
+
+from __future__ import unicode_literals
+
+import json
+import re
+
+from PyQt5.QtCore import QByteArray, QUrl
+
+import Utilities
+
+from .TranslationEngine import TranslationEngine
+
+
+class GoogleV1Engine(TranslationEngine):
+ """
+ Class implementing the translation engine for the old Google
+ translation service.
+ """
+ TranslatorUrl = "https://translate.googleapis.com/translate_a/single"
+ TextToSpeechUrl = "https://translate.google.com/translate_tts"
+ TextToSpeechLimit = 100
+
+ def __init__(self, plugin, parent=None):
+ """
+ Constructor
+
+ @param plugin reference to the plugin object (TranslatorPlugin)
+ @param parent reference to the parent object (QObject)
+ """
+ super(GoogleV1Engine, self).__init__(plugin, parent)
+
+ def engineName(self):
+ """
+ Public method to return the name of the engine.
+
+ @return engine name (string)
+ """
+ return "googlev1"
+
+ def supportedLanguages(self):
+ """
+ Public method to get the supported languages.
+
+ @return list of supported language codes (list of string)
+ """
+ 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 hasTTS(self):
+ """
+ Public method indicating the Text-to-Speech capability.
+
+ @return flag indicating the Text-to-Speech capability (boolean)
+ """
+ return False # doesn't work reliably
+
+ def getTranslation(self, requestObject, text, originalLanguage,
+ translationLanguage):
+ """
+ Public method to translate the given text.
+
+ @param requestObject reference to the request object
+ (TranslatorRequest)
+ @param text text to be translated (string)
+ @param originalLanguage language code of the original (string)
+ @param translationLanguage language code of the translation (string)
+ @return tuple of translated text (string) and flag indicating
+ success (boolean)
+ """
+ params = QByteArray(
+ "client=gtx&sl={0}&tl={1}&dt=t&dt=bd&ie=utf-8&oe=utf-8&q=".format(
+ 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:
+ # clean up the response
+ response = re.sub(r',{2,}', ',', response)
+ responseDict = json.loads(response)
+ except ValueError:
+ return self.tr("Invalid response received"), False
+
+ if isinstance(responseDict, dict):
+ sentences = responseDict["sentences"]
+ result = ""
+ for sentence in sentences:
+ result += sentence["trans"].replace("\n", "<br/>")
+
+ if self.plugin.getPreferences("GoogleEnableDictionary") and \
+ "dict" in responseDict:
+ dictionary = responseDict["dict"]
+ for value in dictionary:
+ result += "<hr/><u><b>{0}</b> - {1}</u><br/>".format(
+ text, value["pos"])
+ for entry in value["entry"]:
+ if "previous_word" in entry:
+ previous = entry["previous_word"] + " "
+ else:
+ previous = ""
+ word = entry["word"]
+ reverse = entry["reverse_translation"]
+ result += "<br/>{0}<b>{1}</b> - {2}".format(
+ previous, word, ", ".join(reverse))
+ if value != dictionary[-1]:
+ result += "<br/>"
+ elif isinstance(responseDict, list):
+ sentences = responseDict[0]
+ result = "".join([s[0] for s in sentences])\
+ .replace("\n", "<br/>")
+ if self.plugin.getPreferences("GoogleEnableDictionary") and \
+ len(responseDict) > 2:
+ if not responseDict[1]:
+ result = self.tr("No translation found.")
+ ok = False
+ else:
+ for wordTypeList in responseDict[1]:
+ result += "<hr/><u><b>{0}</b> - {1}</u>".format(
+ wordTypeList[0], wordTypeList[-2])
+ for wordsList in wordTypeList[2]:
+ reverse = wordsList[0]
+ words = wordsList[1]
+ result += "<br/><b>{0}</b> - {1}".format(
+ reverse, ", ".join(words))
+ else:
+ result = responseDict
+ else:
+ result = response
+ return result, ok
+
+ def getTextToSpeechData(self, requestObject, text, language):
+ """
+ Public method to pronounce the given text.
+
+ @param requestObject reference to the request object
+ (TranslatorRequest)
+ @param text text to be pronounced (string)
+ @param language language code of the text (string)
+ @return tuple with pronounce data (QByteArray) or error string (string)
+ and success flag (boolean)
+ """
+ text = text.split("\n\n", 1)[0]
+ if len(text) > self.TextToSpeechLimit:
+ return (self.tr("Only texts up to {0} characters are allowed.")
+ .format(self.TextToSpeechLimit), False)
+
+ url = QUrl(self.TextToSpeechUrl +
+ "?client=tw-ob&ie=utf-8&tl={0}&q={1}".format(
+ language, text))
+ return requestObject.get(url)
