eric6/Plugins/UiExtensionPlugins/Translator/TranslatorEngines/TranslationEngine.py

Mon, 15 Apr 2019 19:53:29 +0200

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Mon, 15 Apr 2019 19:53:29 +0200
branch
setup.py
changeset 6949
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parent 6942
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child 7229
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permissions
-rw-r--r--

setup.py: continued implementing support for setup.py.

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

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