Preferences/ShortcutDialog.py

Sun, 05 Jun 2011 18:25:36 +0200

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Sun, 05 Jun 2011 18:25:36 +0200
changeset 1112
8a7d1b9d18db
parent 945
8cd4d08fa9f6
child 1131
7781e396c903
permissions
-rw-r--r--

Improved code quality by getting rid of star imports. That way pyflakes can do its job. A few bugs fixed found by flakes.

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1 # -*- coding: utf-8 -*-
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2
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3 # Copyright (c) 2003 - 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 a dialog for the configuration of a keyboard shortcut.
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8 """
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9
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10 from PyQt4.QtCore import pyqtSignal, QEvent, Qt
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11 from PyQt4.QtGui import QKeySequence, QDialog, QDialogButtonBox
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12
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1d8dd9706f46 First commit after changing to Python 3.1.
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13 from .Ui_ShortcutDialog import Ui_ShortcutDialog
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15
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16 class ShortcutDialog(QDialog, Ui_ShortcutDialog):
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17 """
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18 Class implementing a dialog for the configuration of a keyboard shortcut.
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19
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20 @signal shortcutChanged(QKeySequence, QKeySequence, bool, string) emitted
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21 after the OK button was pressed
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22 """
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23 shortcutChanged = pyqtSignal(QKeySequence, QKeySequence, bool, str)
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24
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25 def __init__(self, parent=None, name=None, modal=False):
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26 """
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27 Constructor
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28
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29 @param parent The parent widget of this dialog. (QWidget)
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30 @param name The name of this dialog. (string)
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31 @param modal Flag indicating a modal dialog. (boolean)
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32 """
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33 QDialog.__init__(self, parent)
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34 if name:
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35 self.setObjectName(name)
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36 self.setModal(modal)
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37 self.setupUi(self)
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38
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39 self.keyIndex = 0
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40 self.keys = [0, 0, 0, 0]
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41 self.noCheck = False
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42 self.objectType = ""
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43
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44 self.primaryClearButton.clicked[()].connect(self.__clear)
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45 self.alternateClearButton.clicked[()].connect(self.__clear)
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46 self.primaryButton.clicked[()].connect(self.__typeChanged)
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47 self.alternateButton.clicked[()].connect(self.__typeChanged)
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48
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49 self.shortcutsGroup.installEventFilter(self)
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50 self.primaryButton.installEventFilter(self)
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51 self.alternateButton.installEventFilter(self)
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52 self.primaryClearButton.installEventFilter(self)
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53 self.alternateClearButton.installEventFilter(self)
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54
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55 self.buttonBox.button(QDialogButtonBox.Ok).installEventFilter(self)
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56 self.buttonBox.button(QDialogButtonBox.Cancel).installEventFilter(self)
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57
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58 def setKeys(self, key, alternateKey, noCheck, objectType):
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59 """
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60 Public method to set the key to be configured.
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61
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62 @param key key sequence to be changed (QKeySequence)
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63 @param alternateKey alternate key sequence to be changed (QKeySequence)
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64 @param noCheck flag indicating that no uniqueness check should
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65 be performed (boolean)
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66 @param objectType type of the object (string).
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67 """
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68 self.keyIndex = 0
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69 self.keys = [0, 0, 0, 0]
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70 self.keyLabel.setText(key.toString())
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71 self.alternateKeyLabel.setText(alternateKey.toString())
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72 self.primaryButton.setChecked(True)
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73 self.noCheck = noCheck
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74 self.objectType = objectType
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75
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76 def on_buttonBox_accepted(self):
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77 """
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78 Private slot to handle the OK button press.
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79 """
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80 self.hide()
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81 self.shortcutChanged.emit(
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82 QKeySequence(self.keyLabel.text()),
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83 QKeySequence(self.alternateKeyLabel.text()),
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84 self.noCheck, self.objectType)
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85
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86 def __clear(self):
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87 """
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88 Private slot to handle the Clear button press.
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89 """
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90 self.keyIndex = 0
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91 self.keys = [0, 0, 0, 0]
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92 self.__setKeyLabelText("")
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93
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94 def __typeChanged(self):
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95 """
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96 Private slot to handle the change of the shortcuts type.
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97 """
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98 self.keyIndex = 0
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99 self.keys = [0, 0, 0, 0]
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100
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101 def __setKeyLabelText(self, txt):
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102 """
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103 Private method to set the text of a key label.
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104
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105 @param txt text to be set (string)
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106 """
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107 if self.primaryButton.isChecked():
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108 self.keyLabel.setText(txt)
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109 else:
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110 self.alternateKeyLabel.setText(txt)
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111
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112 def eventFilter(self, watched, event):
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113 """
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114 Method called to filter the event queue.
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115
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116 @param watched the QObject being watched
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117 @param event the event that occurred
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118 @return always False
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119 """
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120 if event.type() == QEvent.KeyPress:
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121 self.keyPressEvent(event)
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122 return True
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123
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124 return False
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125
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126 def keyPressEvent(self, evt):
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127 """
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128 Private method to handle a key press event.
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129
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130 @param evt the key event (QKeyEvent)
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131 """
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132 if evt.key() == Qt.Key_Control:
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133 return
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parents:
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134 if evt.key() == Qt.Key_Meta:
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135 return
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136 if evt.key() == Qt.Key_Shift:
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137 return
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138 if evt.key() == Qt.Key_Alt:
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139 return
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140 if evt.key() == Qt.Key_Menu:
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parents:
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141 return
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parents:
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142
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parents:
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143 if self.keyIndex == 4:
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144 self.keyIndex = 0
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145 self.keys = [0, 0, 0, 0]
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146
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147 if evt.key() == Qt.Key_Backtab and evt.modifiers() & Qt.ShiftModifier:
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148 self.keys[self.keyIndex] = Qt.Key_Tab
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149 else:
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150 self.keys[self.keyIndex] = evt.key()
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151
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152 if evt.modifiers() & Qt.ShiftModifier:
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153 self.keys[self.keyIndex] += Qt.SHIFT
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154 if evt.modifiers() & Qt.ControlModifier:
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155 self.keys[self.keyIndex] += Qt.CTRL
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156 if evt.modifiers() & Qt.AltModifier:
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157 self.keys[self.keyIndex] += Qt.ALT
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158 if evt.modifiers() & Qt.MetaModifier:
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159 self.keys[self.keyIndex] += Qt.META
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parents:
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160
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161 self.keyIndex += 1
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parents:
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162
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parents:
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163 if self.keyIndex == 1:
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parents:
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164 self.__setKeyLabelText(QKeySequence(self.keys[0]).toString())
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165 elif self.keyIndex == 2:
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166 self.__setKeyLabelText(QKeySequence(self.keys[0], self.keys[1]).toString())
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167 elif self.keyIndex == 3:
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parents:
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168 self.__setKeyLabelText(QKeySequence(self.keys[0], self.keys[1],
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parents:
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169 self.keys[2]).toString())
de9c2efb9d02 Started porting eric4 to Python3
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parents:
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170 elif self.keyIndex == 4:
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parents:
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171 self.__setKeyLabelText(QKeySequence(self.keys[0], self.keys[1],
500
c3abc7895a01 Continued porting signal/slot usage to the new API.
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parents: 464
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172 self.keys[2], self.keys[3]).toString())

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