Plugins/UiExtensionPlugins/Translator/TranslatorEngines/PromtEngine.py

changeset 6018
1c858879d3d0
child 6048
82ad8ec9548c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Plugins/UiExtensionPlugins/Translator/TranslatorEngines/PromtEngine.py	Sun Dec 10 16:23:29 2017 +0100
@@ -0,0 +1,116 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2014 - 2017 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing the Promt translation engine.
+"""
+
+from __future__ import unicode_literals
+try:
+    str = unicode
+except NameError:
+    pass
+
+import json
+
+from PyQt5.QtCore import QUrl, QByteArray
+
+import Utilities
+
+from .TranslationEngine import TranslationEngine
+
+
+class PromtEngine(TranslationEngine):
+    """
+    Class implementing the translation engine for the Promt
+    translation service.
+    """
+    TranslatorUrl = \
+        "http://www.online-translator.com/services/"\
+        "TranslationService.asmx/GetTranslation"
+    
+    def __init__(self, plugin, parent=None):
+        """
+        Constructor
+        
+        @param plugin reference to the plugin object (TranslatorPlugin)
+        @param parent reference to the parent object (QObject)
+        """
+        super(PromtEngine, self).__init__(plugin, parent)
+        
+        self.__mapping = {
+            "de": "g",
+            "en": "e",
+            "es": "s",
+            "fr": "f",
+            "it": "i",
+            "ja": "j",
+            "pt": "p",
+            "ru": "r",
+        }
+    
+    def engineName(self):
+        """
+        Public method to return the name of the engine.
+        
+        @return engine name (string)
+        """
+        return "promt"
+    
+    def supportedLanguages(self):
+        """
+        Public method to get the supported languages.
+        
+        @return list of supported language codes (list of string)
+        """
+        return ["de", "en", "es", "fr", "it", "ja", "pt", "ru", ]
+    
+    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)
+        """
+        encodedText = str(
+            QUrl.toPercentEncoding(Utilities.html_encode(text + ".")),
+            "utf-8")
+        request = QByteArray(
+            "{{dirCode:'{0}{1}', template:'General', text:'{2}', lang:'de',"
+            " limit:3000, useAutoDetect:true, key:'', ts:'MainSite', tid:''}}"
+            .format(self.__mapping[originalLanguage],
+                    self.__mapping[translationLanguage],
+                    encodedText).encode("utf-8")
+        )
+        response, ok = requestObject.post(QUrl(self.TranslatorUrl), request,
+                                          "json")
+        if ok:
+            try:
+                responseDict = json.loads(response)
+            except ValueError:
+                return self.tr("Invalid response received"), False
+            
+            if "d" in responseDict:
+                responseDict = responseDict["d"]
+            
+            result = responseDict["result"][:-1]    # get rid of stub
+            
+            if responseDict["errCode"] == 0:
+                if responseDict["ptsDirCode"] == "":
+                    result = self.tr(
+                        "This direction of translation is not available.")
+                    ok = False
+            else:
+                result = responseDict["errMessage"]
+                ok = False
+        else:
+            result = response
+        return result, ok

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