Mercurial Repositories > eric / file diff

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Plugins/UiExtensionPlugins/Translator/TranslatorEngines/GoogleV2Engine.py	Sun Dec 10 16:23:29 2017 +0100
@@ -0,0 +1,96 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2014 - 2017 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing the Google V2 translation engine.
+"""
+
+from __future__ import unicode_literals
+
+import json
+
+from PyQt5.QtCore import QUrl
+
+from .TranslationEngine import TranslationEngine
+
+
+class GoogleV2Engine(TranslationEngine):
+    """
+    Class implementing the translation engine for the new Google
+    translation service.
+    """
+    TranslatorUrl = "https://www.googleapis.com/language/translate/v2"
+    
+    def __init__(self, plugin, parent=None):
+        """
+        Constructor
+        
+        @param plugin reference to the plugin object (TranslatorPlugin)
+        @param parent reference to the parent object (QObject)
+        """
+        super(GoogleV2Engine, self).__init__(plugin, parent)
+    
+    def engineName(self):
+        """
+        Public method to return the name of the engine.
+        
+        @return engine name (string)
+        """
+        return "googlev2"
+    
+    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 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)
+        """
+        apiKey = self.plugin.getPreferences("GoogleV2Key")
+        if not apiKey:
+            return self.tr("A valid Google Translate key is required."), False
+        
+        params = "?key={3}&source={0}&target={1}&q={2}".format(
+            originalLanguage, translationLanguage, text, apiKey)
+        url = QUrl(self.TranslatorUrl + params)
+        response, ok = requestObject.get(url)
+        response = str(response, "utf-8", "replace")
+        if ok:
+            try:
+                responseDict = json.loads(response)
+            except ValueError:
+                return self.tr("Invalid response received"), False
+            
+            if "data" not in responseDict or \
+                    "translations" not in responseDict["data"]:
+                return self.tr("No translation available."), False
+            
+            result = ""
+            translations = responseDict["data"]["translations"]
+            for translation in translations:
+                result += translation["translatedText"]
+                if translation != translations[-1]:
+                    result += "<br/>"
+        else:
+            result = response
+        return result, ok