Mercurial Repositories > eric / file comparison
comparison: eric7/Plugins/UiExtensionPlugins/Translator/TranslatorEngines/YandexEngine.py
eric7/Plugins/UiExtensionPlugins/Translator/TranslatorEngines/YandexEngine.py
- branch
- eric7
- changeset 8312
- 800c432b34c8
- parent 8218
- 7c09585bd960
- child 8318
- 962bce857696
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| 8311:4e8b98454baa | 8312:800c432b34c8 |
|---|---|
| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2014 - 2021 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing the Yandex translation engine. | |
| 8 """ | |
| 9 | |
| 10 import json | |
| 11 | |
| 12 from PyQt5.QtCore import QUrl, QByteArray, QTimer | |
| 13 | |
| 14 import Utilities | |
| 15 | |
| 16 from .TranslationEngine import TranslationEngine | |
| 17 | |
| 18 | |
| 19 class YandexEngine(TranslationEngine): | |
| 20 """ | |
| 21 Class implementing the translation engine for the Yandex | |
| 22 translation service. | |
| 23 """ | |
| 24 TranslatorUrl = "https://translate.yandex.net/api/v1.5/tr.json/translate" | |
| 25 TranslatorLimit = 10000 | |
| 26 | |
| 27 def __init__(self, plugin, parent=None): | |
| 28 """ | |
| 29 Constructor | |
| 30 | |
| 31 @param plugin reference to the plugin object (TranslatorPlugin) | |
| 32 @param parent reference to the parent object (QObject) | |
| 33 """ | |
| 34 super().__init__(plugin, parent) | |
| 35 | |
| 36 self.__errors = { | |
| 37 401: self.tr("Yandex: Invalid API key."), | |
| 38 402: self.tr("Yandex: API key has been blocked."), | |
| 39 403: self.tr("Yandex: Daily limit for requests has been reached."), | |
| 40 404: self.tr("Yandex: Daily limit for the volume of translated" | |
| 41 " text reached."), | |
| 42 413: self.tr("Yandex: Text size exceeds the maximum."), | |
| 43 422: self.tr("Yandex: Text could not be translated."), | |
| 44 501: self.tr("Yandex: The specified translation direction is not" | |
| 45 " supported."), | |
| 46 } | |
| 47 | |
| 48 QTimer.singleShot(0, self.availableTranslationsLoaded.emit) | |
| 49 | |
| 50 def engineName(self): | |
| 51 """ | |
| 52 Public method to return the name of the engine. | |
| 53 | |
| 54 @return engine name (string) | |
| 55 """ | |
| 56 return "yandex" | |
| 57 | |
| 58 def supportedLanguages(self): | |
| 59 """ | |
| 60 Public method to get the supported languages. | |
| 61 | |
| 62 @return list of supported language codes (list of string) | |
| 63 """ | |
| 64 return ["ar", "be", "bg", "bs", "ca", "cs", "da", "de", "el", "en", | |
| 65 "es", "et", "fi", "fr", "ga", "gl", "hi", "hr", "hu", "id", | |
| 66 "is", "it", "iw", "ja", "ka", "ko", "lt", "lv", "mk", "mt", | |
| 67 "nl", "no", "pl", "pt", "ro", "ru", "sk", "sl", "sq", "sr", | |
| 68 "sv", "th", "tl", "tr", "uk", "vi", "zh-CN", "zh-TW", | |
| 69 ] | |
| 70 | |
| 71 def getTranslation(self, requestObject, text, originalLanguage, | |
| 72 translationLanguage): | |
| 73 """ | |
| 74 Public method to translate the given text. | |
| 75 | |
| 76 @param requestObject reference to the request object | |
| 77 (TranslatorRequest) | |
| 78 @param text text to be translated (string) | |
| 79 @param originalLanguage language code of the original (string) | |
| 80 @param translationLanguage language code of the translation (string) | |
| 81 @return tuple of translated text (string) and flag indicating | |
| 82 success (boolean) | |
| 83 """ | |
| 84 if len(text) > self.TranslatorLimit: | |
| 85 return ( | |
| 86 self.tr("Yandex: Only texts up to {0} characters are allowed.") | |
| 87 .format(self.TranslatorLimit), | |
| 88 False | |
| 89 ) | |
| 90 | |
| 91 apiKey = self.plugin.getPreferences("YandexKey") | |
| 92 if not apiKey: | |
| 93 return self.tr("Yandex: A valid key is required."), False | |
| 94 | |
| 95 params = QByteArray( | |
| 96 "key={0}&lang={1}-{2}&text=".format( | |
| 97 apiKey, originalLanguage, translationLanguage).encode("utf-8")) | |
| 98 encodedText = ( | |
| 99 QByteArray(Utilities.html_encode(text).encode("utf-8")) | |
| 100 .toPercentEncoding() | |
| 101 ) | |
| 102 request = params + encodedText | |
| 103 response, ok = requestObject.post(QUrl(self.TranslatorUrl), request) | |
| 104 if ok: | |
| 105 try: | |
| 106 responseDict = json.loads(response) | |
| 107 except ValueError: | |
| 108 return self.tr("Yandex: Invalid response received"), False | |
| 109 | |
| 110 if responseDict["code"] != 200: | |
| 111 try: | |
| 112 error = self.__errors[responseDict["code"]] | |
| 113 except KeyError: | |
| 114 error = self.tr( | |
| 115 "Yandex: Unknown error code ({0}) received." | |
| 116 ).format(responseDict["code"]) | |
| 117 return error, False | |
| 118 | |
| 119 sentences = responseDict["text"] | |
| 120 result = "" | |
| 121 for sentence in sentences: | |
| 122 result += sentence.replace("\n", "<br/>") | |
| 123 else: | |
| 124 result = response | |
| 125 return result, ok |
