Mercurial Repositories > eric / file comparison
comparison: eric6/Plugins/UiExtensionPlugins/Translator/TranslatorEngines/TranslationEngine.py
eric6/Plugins/UiExtensionPlugins/Translator/TranslatorEngines/TranslationEngine.py
- changeset 6942
- 2602857055c5
- parent 6645
- ad476851d7e0
- child 7229
- 53054eb5b15a
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| 6941:f99d60d6b59b | 6942:2602857055c5 |
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| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2014 - 2019 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing the translation engine base class. | |
| 8 """ | |
| 9 | |
| 10 from __future__ import unicode_literals | |
| 11 | |
| 12 from PyQt5.QtCore import pyqtSignal, QObject | |
| 13 | |
| 14 | |
| 15 class TranslationEngine(QObject): | |
| 16 """ | |
| 17 Class implementing the translation engine base class containing | |
| 18 default methods. | |
| 19 | |
| 20 @signal availableTranslationsLoaded() emitted to indicate the availability | |
| 21 of the list of supported translation languages | |
| 22 """ | |
| 23 availableTranslationsLoaded = pyqtSignal() | |
| 24 | |
| 25 def __init__(self, plugin, parent=None): | |
| 26 """ | |
| 27 Constructor | |
| 28 | |
| 29 @param plugin reference to the plugin object (TranslatorPlugin) | |
| 30 @param parent reference to the parent object (QObject) | |
| 31 """ | |
| 32 super(TranslationEngine, self).__init__(parent) | |
| 33 | |
| 34 self.plugin = plugin | |
| 35 | |
| 36 def engineName(self): | |
| 37 """ | |
| 38 Public method to get the name of the engine. | |
| 39 | |
| 40 @return engine name (string) | |
| 41 """ | |
| 42 return "" | |
| 43 | |
| 44 def supportedLanguages(self): | |
| 45 """ | |
| 46 Public method to get the supported languages. | |
| 47 | |
| 48 @return list of supported language codes (list of string) | |
| 49 """ | |
| 50 return [] | |
| 51 | |
| 52 def supportedTargetLanguages(self, original): | |
| 53 """ | |
| 54 Public method to get a list of supported target languages for an | |
| 55 original language. | |
| 56 | |
| 57 Note: The default implementation return the list of supported languages | |
| 58 (i.e. the same as those for the source) with the given original | |
| 59 removed. | |
| 60 | |
| 61 @param original original language | |
| 62 @type str | |
| 63 @return list of supported target languages for the given original | |
| 64 @rtype list of str | |
| 65 """ | |
| 66 targetLanguages = self.supportedLanguages()[:] | |
| 67 try: | |
| 68 targetLanguages.remove(original) | |
| 69 except ValueError: | |
| 70 # original is not in the list of target languages | |
| 71 pass | |
| 72 | |
| 73 return targetLanguages | |
| 74 | |
| 75 def hasTTS(self): | |
| 76 """ | |
| 77 Public method indicating the Text-to-Speech capability. | |
| 78 | |
| 79 @return flag indicating the Text-to-Speech capability (boolean) | |
| 80 """ | |
| 81 return False | |
| 82 | |
| 83 def getTextToSpeechData(self, requestObject, text, language): | |
| 84 """ | |
| 85 Public method to pronounce the given text. | |
| 86 | |
| 87 @param requestObject reference to the request object | |
| 88 (TranslatorRequest) | |
| 89 @param text text to be pronounced (string) | |
| 90 @param language language code of the text (string) | |
| 91 @return tuple with pronounce data (QByteArray) or error string (string) | |
| 92 and success flag (boolean) | |
| 93 """ | |
| 94 return self.tr("No pronounce data available"), False | |
| 95 | |
| 96 def getTranslation(self, requestObject, text, originalLanguage, | |
| 97 translationLanguage): | |
| 98 """ | |
| 99 Public method to translate the given text. | |
| 100 | |
| 101 @param requestObject reference to the request object | |
| 102 (TranslatorRequest) | |
| 103 @param text text to be translated (string) | |
| 104 @param originalLanguage language code of the original (string) | |
| 105 @param translationLanguage language code of the translation (string) | |
| 106 @return tuple of translated text (string) and flag indicating | |
| 107 success (boolean) | |
| 108 """ | |
| 109 return self.tr("No translation available"), False |
