diff -r f99d60d6b59b -r 2602857055c5 eric6/Plugins/UiExtensionPlugins/Translator/TranslatorEngines/DeepLEngine.py
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/eric6/Plugins/UiExtensionPlugins/Translator/TranslatorEngines/DeepLEngine.py Sun Apr 14 15:09:21 2019 +0200
@@ -0,0 +1,116 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2017 - 2019 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing the DeepL translation engine.
+"""
+
+from __future__ import unicode_literals
+try:
+ str = unicode
+except NameError:
+ pass
+
+import json
+
+from PyQt5.QtCore import QUrl, QByteArray, QTimer
+
+import Utilities
+
+from .TranslationEngine import TranslationEngine
+
+
+class DeepLEngine(TranslationEngine):
+ """
+ Class implementing the translation engine for the DeepL
+ translation service.
+ """
+ TranslatorUrl = "https://api.deepl.com/v1/translate"
+ MaxTranslationTextLen = 30 * 1024
+
+ 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(DeepLEngine, self).__init__(plugin, parent)
+
+ QTimer.singleShot(0, self.availableTranslationsLoaded.emit)
+
+ def engineName(self):
+ """
+ Public method to return the name of the engine.
+
+ @return engine name
+ @rtype str
+ """
+ return "deepl"
+
+ def supportedLanguages(self):
+ """
+ Public method to get the supported languages.
+
+ @return list of supported language codes
+ @rtype list of str
+ """
+ return ["de", "en", "es", "fr", "it", "nl", "pl", ]
+
+ 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)
+ """
+ if len(text) > self.MaxTranslationTextLen:
+ return self.tr(
+ "Text to be translated exceeds the translation limit of {0}"
+ " characters.").format(self.MaxTranslationTextLen), False
+
+ apiKey = self.plugin.getPreferences("DeeplKey")
+ if not apiKey:
+ return self.tr("A valid DeepL Pro key is required."), False
+
+ params = QByteArray(
+ "auth_key={0}&source_lang={1}&target_lang={2}&text=".format(
+ apiKey, originalLanguage.upper(), translationLanguage.upper())
+ .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("Invalid response received from DeepL"), False
+
+ if "translations" not in responseDict:
+ return self.tr("DeepL call returned an unknown result"), False
+
+ translations = responseDict["translations"]
+ if len(translations) == 0:
+ return self.tr("<p>No translation found</p>"), True
+
+ # show sentence by sentence separated by a line
+ result = (
+ "<p>" +
+ "<hr/>".join([t["text"] for t in translations]) +
+ "</p>"
+ )
+
+ else:
+ result = response
+ return result, ok
