E5Gui/E5FileDialog.py

Sun, 19 Jun 2011 15:19:46 +0200

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Sun, 19 Jun 2011 15:19:46 +0200
changeset 1127
b1802ebe0066
parent 945
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child 1374
b1e9ed69529e
permissions
-rw-r--r--

Added capability to encrypt saved passwords with a master password and rearranged some configuration parameters related to security.

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1 # -*- coding: utf-8 -*-
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2
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3 # Copyright (c) 2010 - 2011 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 alternative functions for the QFileDialog static methods
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8 to cope with distributor's usage of KDE wrapper dialogs for Qt file dialogs.
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9 """
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10
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11 from PyQt4.QtGui import QFileDialog
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12
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13 import Globals
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14
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15 Options = QFileDialog.Options
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16
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17 ShowDirsOnly = QFileDialog.ShowDirsOnly
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18 DontResolveSymlinks = QFileDialog.DontResolveSymlinks
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19 DontConfirmOverwrite = QFileDialog.DontConfirmOverwrite
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20 DontUseNativeDialog = QFileDialog.DontUseNativeDialog
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21 ReadOnly = QFileDialog.ReadOnly
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22 HideNameFilterDetails = QFileDialog.HideNameFilterDetails
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23 DontUseSheet = QFileDialog.DontUseSheet
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24
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25
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26 def __reorderFilter(filter, initialFilter=""):
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27 """
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28 Private function to reorder the file filter to cope with a KDE issue
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29 introduced by distributor's usage of KDE file dialogs.
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30
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31 @param filter Qt file filter (string)
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32 @param initialFilter initial filter (string)
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33 @return the rearranged Qt file filter (string)
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34 """
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35 if initialFilter:
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36 fileFilters = filter.split(';;')
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37 if len(fileFilters) < 10 and initialFilter in fileFilters:
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38 fileFilters.remove(initialFilter)
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39 fileFilters.insert(0, initialFilter)
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40 return ";;".join(fileFilters)
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41 else:
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42 return filter
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43
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44
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45 def getOpenFileName(parent=None, caption="", directory="",
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46 filter="", options=QFileDialog.Options()):
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47 """
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48 Module function to get the name of a file for opening it.
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49
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50 @param parent parent widget of the dialog (QWidget)
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51 @param caption window title of the dialog (string)
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52 @param directory working directory of the dialog (string)
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53 @param filter filter string for the dialog (string)
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54 @param options various options for the dialog (QFileDialog.Options)
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55 @return name of file to be opened (string)
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56 """
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57 if Globals.isLinuxPlatform():
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58 options |= QFileDialog.DontUseNativeDialog
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59 return QFileDialog.getOpenFileName(parent, caption, directory,
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60 filter, options)
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61
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62
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63 def getOpenFileNameAndFilter(parent=None, caption="", directory="",
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64 filter="", initialFilter="",
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65 options=QFileDialog.Options()):
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66 """
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67 Module function to get the name of a file for opening it and the selected
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68 file name filter.
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69
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70 @param parent parent widget of the dialog (QWidget)
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71 @param caption window title of the dialog (string)
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72 @param directory working directory of the dialog (string)
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73 @param filter filter string for the dialog (string)
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74 @param initialFilter initial filter for the dialog (string)
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75 @param options various options for the dialog (QFileDialog.Options)
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76 @return name of file to be opened and selected filter (string, string)
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77 """
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78 if Globals.isLinuxPlatform():
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79 options |= QFileDialog.DontUseNativeDialog
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80 newfilter = __reorderFilter(filter, initialFilter)
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81 return QFileDialog.getOpenFileNameAndFilter(parent, caption, directory,
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82 newfilter, initialFilter,
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83 options)
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84
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85
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86 def getOpenFileNames(parent=None, caption="", directory="",
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87 filter="", options=QFileDialog.Options()):
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88 """
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89 Module function to get a list of names of files for opening.
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90
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91 @param parent parent widget of the dialog (QWidget)
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92 @param caption window title of the dialog (string)
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93 @param directory working directory of the dialog (string)
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94 @param filter filter string for the dialog (string)
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95 @param options various options for the dialog (QFileDialog.Options)
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96 @return list of file names to be opened (list of string)
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97 """
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98 if Globals.isLinuxPlatform():
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99 options |= QFileDialog.DontUseNativeDialog
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100 return QFileDialog.getOpenFileNames(parent, caption, directory,
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101 filter, options)
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102
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103
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104 def getOpenFileNamesAndFilter(parent=None, caption="", directory="",
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105 filter="", initialFilter="",
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106 options=QFileDialog.Options()):
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107 """
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108 Module function to get a list of names of files for opening and the
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109 selected file name filter.
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110
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111 @param parent parent widget of the dialog (QWidget)
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112 @param caption window title of the dialog (string)
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113 @param directory working directory of the dialog (string)
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114 @param filter filter string for the dialog (string)
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115 @param initialFilter initial filter for the dialog (string)
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116 @param options various options for the dialog (QFileDialog.Options)
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117 @return list of file names to be opened and selected filter
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118 (list of string, string)
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119 """
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120 if Globals.isLinuxPlatform():
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121 options |= QFileDialog.DontUseNativeDialog
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122 newfilter = __reorderFilter(filter, initialFilter)
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123 return QFileDialog.getOpenFileNamesAndFilter(parent, caption, directory,
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124 newfilter, initialFilter,
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125 options)
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126
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127
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128 def getSaveFileName(parent=None, caption="", directory="",
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129 filter="", options=QFileDialog.Options()):
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130 """
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131 Module function to get the name of a file for saving it.
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132
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133 @param parent parent widget of the dialog (QWidget)
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134 @param caption window title of the dialog (string)
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135 @param directory working directory of the dialog (string)
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136 @param filter filter string for the dialog (string)
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137 @param options various options for the dialog (QFileDialog.Options)
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138 @return name of file to be saved (string)
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139 """
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140 if Globals.isLinuxPlatform():
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141 options |= QFileDialog.DontUseNativeDialog
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142 return QFileDialog.getSaveFileName(parent, caption, directory,
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143 filter, options)
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144
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145
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146 def getSaveFileNameAndFilter(parent=None, caption="", directory="",
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147 filter="", initialFilter="",
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148 options=QFileDialog.Options()):
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149 """
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150 Module function to get the name of a file for saving it and the selected
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151 file name filter.
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152
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153 @param parent parent widget of the dialog (QWidget)
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154 @param caption window title of the dialog (string)
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155 @param directory working directory of the dialog (string)
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156 @param filter filter string for the dialog (string)
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157 @param initialFilter initial filter for the dialog (string)
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158 @param options various options for the dialog (QFileDialog.Options)
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159 @return name of file to be saved and selected filter (string, string)
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160 """
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161 if Globals.isLinuxPlatform():
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162 options |= QFileDialog.DontUseNativeDialog
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163 newfilter = __reorderFilter(filter, initialFilter)
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164 return QFileDialog.getSaveFileNameAndFilter(parent, caption, directory,
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165 newfilter, initialFilter,
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166 options)
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167
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168
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169 def getExistingDirectory(parent=None, caption="",
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170 directory="", options=QFileDialog.ShowDirsOnly):
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171 """
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172 Module function to get the name of a directory.
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173
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174 @param parent parent widget of the dialog (QWidget)
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175 @param caption window title of the dialog (string)
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176 @param directory working directory of the dialog (string)
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177 @param options various options for the dialog (QFileDialog.Options)
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178 @return name of selected directory (string)
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179 """
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180 if Globals.isLinuxPlatform():
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181 options |= QFileDialog.DontUseNativeDialog
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182 return QFileDialog.getExistingDirectory(parent, caption, directory,
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183 options)

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