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

Sat, 27 Feb 2021 12:08:23 +0100

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Sat, 27 Feb 2021 12:08:23 +0100
changeset 8138
169e65a6787c
parent 7923
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child 8218
7c09585bd960
permissions
-rw-r--r--

Shell: added functionality to show a prompt when the main client process has exited (e.g. a script ended).

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1 # -*- coding: utf-8 -*-
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2
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3 # Copyright (c) 2014 - 2021 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 Yandex translation engine.
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8 """
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9
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10 import json
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11
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12 from PyQt5.QtCore import QUrl, QByteArray, QTimer
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13
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14 import Utilities
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15
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16 from .TranslationEngine import TranslationEngine
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17
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18
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19 class YandexEngine(TranslationEngine):
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20 """
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21 Class implementing the translation engine for the Yandex
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22 translation service.
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23 """
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24 TranslatorUrl = "https://translate.yandex.net/api/v1.5/tr.json/translate"
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25 TranslatorLimit = 10000
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26
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27 def __init__(self, plugin, parent=None):
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28 """
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29 Constructor
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30
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31 @param plugin reference to the plugin object (TranslatorPlugin)
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32 @param parent reference to the parent object (QObject)
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33 """
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34 super(YandexEngine, self).__init__(plugin, parent)
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35
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36 self.__errors = {
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37 401: self.tr("Yandex: Invalid API key."),
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38 402: self.tr("Yandex: API key has been blocked."),
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39 403: self.tr("Yandex: Daily limit for requests has been reached."),
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40 404: self.tr("Yandex: Daily limit for the volume of translated"
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41 " text reached."),
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42 413: self.tr("Yandex: Text size exceeds the maximum."),
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43 422: self.tr("Yandex: Text could not be translated."),
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44 501: self.tr("Yandex: The specified translation direction is not"
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45 " supported."),
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46 }
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47
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48 QTimer.singleShot(0, self.availableTranslationsLoaded.emit)
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49
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50 def engineName(self):
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51 """
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52 Public method to return the name of the engine.
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53
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54 @return engine name (string)
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55 """
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56 return "yandex"
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57
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58 def supportedLanguages(self):
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59 """
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60 Public method to get the supported languages.
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61
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62 @return list of supported language codes (list of string)
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63 """
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64 return ["ar", "be", "bg", "bs", "ca", "cs", "da", "de", "el", "en",
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65 "es", "et", "fi", "fr", "ga", "gl", "hi", "hr", "hu", "id",
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66 "is", "it", "iw", "ja", "ka", "ko", "lt", "lv", "mk", "mt",
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67 "nl", "no", "pl", "pt", "ro", "ru", "sk", "sl", "sq", "sr",
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68 "sv", "th", "tl", "tr", "uk", "vi", "zh-CN", "zh-TW",
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69 ]
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70
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71 def getTranslation(self, requestObject, text, originalLanguage,
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72 translationLanguage):
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73 """
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74 Public method to translate the given text.
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75
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76 @param requestObject reference to the request object
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77 (TranslatorRequest)
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78 @param text text to be translated (string)
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79 @param originalLanguage language code of the original (string)
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80 @param translationLanguage language code of the translation (string)
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81 @return tuple of translated text (string) and flag indicating
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82 success (boolean)
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83 """
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84 if len(text) > self.TranslatorLimit:
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85 return (
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86 self.tr("Yandex: Only texts up to {0} characters are allowed.")
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87 .format(self.TranslatorLimit),
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88 False
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89 )
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90
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91 apiKey = self.plugin.getPreferences("YandexKey")
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92 if not apiKey:
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93 return self.tr("Yandex: A valid key is required."), False
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94
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95 params = QByteArray(
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96 "key={0}&lang={1}-{2}&text=".format(
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97 apiKey, originalLanguage, translationLanguage).encode("utf-8"))
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98 encodedText = (
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99 QByteArray(Utilities.html_encode(text).encode("utf-8"))
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100 .toPercentEncoding()
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101 )
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102 request = params + encodedText
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103 response, ok = requestObject.post(QUrl(self.TranslatorUrl), request)
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104 if ok:
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105 try:
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106 responseDict = json.loads(response)
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107 except ValueError:
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108 return self.tr("Yandex: Invalid response received"), False
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109
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110 if responseDict["code"] != 200:
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111 try:
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112 error = self.__errors[responseDict["code"]]
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113 except KeyError:
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114 error = self.tr(
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115 "Yandex: Unknown error code ({0}) received."
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116 ).format(responseDict["code"])
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117 return error, False
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118
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119 sentences = responseDict["text"]
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120 result = ""
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121 for sentence in sentences:
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122 result += sentence.replace("\n", "<br/>")
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123 else:
1c858879d3d0 Added the translator plug-in to the core plug-ins.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
124 result = response
1c858879d3d0 Added the translator plug-in to the core plug-ins.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
125 return result, ok

eric ide

mercurial