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1 # -*- coding: utf-8 -*- |
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2 |
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3 # Copyright (c) 2016 - 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 image search engine. |
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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 QObject, QUrl |
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13 |
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14 import Preferences |
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15 |
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16 |
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17 class ImageSearchEngine(QObject): |
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18 """ |
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19 Class implementing the image search engine. |
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20 """ |
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21 def __init__(self, parent=None): |
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22 """ |
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23 Constructor |
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24 |
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25 @param parent reference to the parent object |
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26 @type QObject |
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27 """ |
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28 super(ImageSearchEngine, self).__init__(parent) |
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29 |
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30 self.__searchEngineNames = ["Google", "TinEye", "Yandex"] |
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31 |
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32 def searchEngine(self): |
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33 """ |
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34 Public method to get the name of the current search engine. |
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35 |
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36 @return name of the current search engine |
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37 @rtype str |
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38 """ |
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39 return Preferences.getWebBrowser("ImageSearchEngine") |
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40 |
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41 def setSearchEngine(self, searchEngine): |
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42 """ |
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43 Public method to set the current search engine. |
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44 |
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45 @param searchEngine name of the search engine |
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46 @type str |
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47 """ |
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48 Preferences.setWebBrowser("ImageSearchEngine", searchEngine) |
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49 |
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50 def searchEngineNames(self): |
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51 """ |
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52 Public method to get the list of supported search engines. |
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53 |
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54 @return list of supported search engines |
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55 @rtype list of str |
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56 """ |
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57 return self.__searchEngineNames[:] |
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58 |
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59 def getSearchQuery(self, imageUrl, searchEngine=None): |
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60 """ |
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61 Public method to get the image search query URL. |
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62 |
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63 @param imageUrl URL of the image to search for |
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64 @type QUrl |
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65 @param searchEngine name of the image search engine to be used |
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66 @type str |
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67 @return search query URL |
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68 @rtype QUrl |
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69 """ |
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70 if not searchEngine: |
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71 searchEngine = self.searchEngine() |
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72 |
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73 searchEngine_l = searchEngine.lower() |
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74 if searchEngine_l == "google": |
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75 return QUrl("https://www.google.com/searchbyimage?" |
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76 "site=search&image_url={0}".format( |
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77 imageUrl.toString())) |
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78 elif searchEngine_l == "yandex": |
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79 return QUrl("https://yandex.com/images/search?" |
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80 "&img_url={0}&rpt=imageview".format( |
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81 imageUrl.toString())) |
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82 elif searchEngine_l == "tineye": |
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83 return QUrl("http://www.tineye.com/search?url={0}".format( |
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84 imageUrl.toString())) |
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85 else: |
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86 return QUrl() |