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

changeset 6942
2602857055c5
parent 6645
ad476851d7e0
child 7192
a22eee00b052
equal deleted inserted replaced
6941:f99d60d6b59b 6942:2602857055c5
1 # -*- coding: utf-8 -*-
2
3 # Copyright (c) 2014 - 2019 Detlev Offenbach <detlev@die-offenbachs.de>
4 #
5
6 """
7 Module implementing the MyMemory translation engine.
8 """
9
10 from __future__ import unicode_literals
11 try:
12 str = unicode
13 except NameError:
14 pass
15
16 import json
17
18 from PyQt5.QtCore import QUrl, QTimer
19
20 from .TranslationEngine import TranslationEngine
21
22
23 class MyMemoryEngine(TranslationEngine):
24 """
25 Class implementing the translation engine for the MyMemory
26 translation service.
27 """
28 TranslatorUrl = "http://api.mymemory.translated.net/get"
29 TranslatorLimit = 500
30
31 def __init__(self, plugin, parent=None):
32 """
33 Constructor
34
35 @param plugin reference to the plugin object (TranslatorPlugin)
36 @param parent reference to the parent object (QObject)
37 """
38 super(MyMemoryEngine, self).__init__(plugin, parent)
39
40 QTimer.singleShot(0, self.availableTranslationsLoaded.emit)
41
42 def engineName(self):
43 """
44 Public method to return the name of the engine.
45
46 @return engine name (string)
47 """
48 return "mymemory"
49
50 def supportedLanguages(self):
51 """
52 Public method to get the supported languages.
53
54 @return list of supported language codes (list of string)
55 """
56 return ["ar", "be", "bg", "bs", "ca", "cs", "da", "de", "el", "en",
57 "es", "et", "fi", "fr", "ga", "gl", "hi", "hr", "hu", "id",
58 "is", "it", "iw", "ja", "ka", "ko", "lt", "lv", "mk", "mt",
59 "nl", "no", "pl", "pt", "ro", "ru", "sk", "sl", "sq", "sr",
60 "sv", "th", "tl", "tr", "uk", "vi", "zh-CN", "zh-TW",
61 ]
62
63 def getTranslation(self, requestObject, text, originalLanguage,
64 translationLanguage):
65 """
66 Public method to translate the given text.
67
68 @param requestObject reference to the request object
69 (TranslatorRequest)
70 @param text text to be translated (string)
71 @param originalLanguage language code of the original (string)
72 @param translationLanguage language code of the translation (string)
73 @return tuple of translated text (string) and flag indicating
74 success (boolean)
75 """
76 if len(text) > self.TranslatorLimit:
77 return (self.tr("Only texts up to {0} characters are allowed.")
78 .format(self.TranslatorLimit), False)
79
80 myMemoryKey = self.plugin.getPreferences("MyMemoryKey")
81 if myMemoryKey:
82 keyParam = "&key={0}".format(myMemoryKey)
83 else:
84 keyParam = ""
85 myMemoryEmail = self.plugin.getPreferences("MyMemoryEmail")
86 if myMemoryEmail:
87 emailParam = "&de={0}".format(myMemoryEmail)
88 else:
89 emailParam = ""
90 params = "?of=json{3}{4}&langpair={0}|{1}&q={2}".format(
91 originalLanguage, translationLanguage, text,
92 keyParam, emailParam)
93 url = QUrl(self.TranslatorUrl + params)
94 response, ok = requestObject.get(url)
95 if ok:
96 response = str(response, "utf-8", "replace")
97 try:
98 responseDict = json.loads(response)
99 except ValueError:
100 return self.tr("Invalid response received"), False
101 result = responseDict["responseData"]["translatedText"]
102 else:
103 result = response
104 return result, ok

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