eric6/Plugins/UiExtensionPlugins/Translator/TranslatorEngines/MyMemoryEngine.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 MyMemory 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, QTimer
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13
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14 from .TranslationEngine import TranslationEngine
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15
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16
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17 class MyMemoryEngine(TranslationEngine):
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18 """
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19 Class implementing the translation engine for the MyMemory
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20 translation service.
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21 """
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22 TranslatorUrl = "http://api.mymemory.translated.net/get"
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23 TranslatorLimit = 500
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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(MyMemoryEngine, self).__init__(plugin, parent)
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33
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34 QTimer.singleShot(0, self.availableTranslationsLoaded.emit)
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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 return 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 "mymemory"
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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 ["ar", "be", "bg", "bs", "ca", "cs", "da", "de", "el", "en",
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51 "es", "et", "fi", "fr", "ga", "gl", "hi", "hr", "hu", "id",
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52 "is", "it", "iw", "ja", "ka", "ko", "lt", "lv", "mk", "mt",
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53 "nl", "no", "pl", "pt", "ro", "ru", "sk", "sl", "sq", "sr",
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54 "sv", "th", "tl", "tr", "uk", "vi", "zh-CN", "zh-TW",
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55 ]
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56
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57 def getTranslation(self, requestObject, text, originalLanguage,
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58 translationLanguage):
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59 """
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60 Public method to translate the given text.
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61
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62 @param requestObject reference to the request object
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63 (TranslatorRequest)
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64 @param text text to be translated (string)
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65 @param originalLanguage language code of the original (string)
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66 @param translationLanguage language code of the translation (string)
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67 @return tuple of translated text (string) and flag indicating
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68 success (boolean)
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69 """
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70 if len(text) > self.TranslatorLimit:
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71 return (
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72 self.tr("MyMemory: Only texts up to {0} characters are"
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73 " allowed.")
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74 .format(self.TranslatorLimit),
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75 False
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76 )
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77
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78 myMemoryKey = self.plugin.getPreferences("MyMemoryKey")
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79 if myMemoryKey:
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80 keyParam = "&key={0}".format(myMemoryKey)
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81 else:
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82 keyParam = ""
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83 myMemoryEmail = self.plugin.getPreferences("MyMemoryEmail")
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84 if myMemoryEmail:
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85 emailParam = "&de={0}".format(myMemoryEmail)
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86 else:
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87 emailParam = ""
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88 params = "?of=json{3}{4}&langpair={0}|{1}&q={2}".format(
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89 originalLanguage, translationLanguage, text,
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90 keyParam, emailParam)
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91 url = QUrl(self.TranslatorUrl + params)
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92 response, ok = requestObject.get(url)
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93 if ok:
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94 response = str(response, "utf-8", "replace")
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95 try:
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96 responseDict = json.loads(response)
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97 except ValueError:
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98 return self.tr("MyMemory: Invalid response received"), False
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99 result = responseDict["responseData"]["translatedText"]
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100 else:
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101 result = response
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102 return result, ok

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