eric6/PluginManager/PluginUninstallDialog.py

Sat, 08 Feb 2020 16:47:20 +0100

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Sat, 08 Feb 2020 16:47:20 +0100
changeset 7400
e5d62581d002
parent 7360
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child 7533
88261c96484b
permissions
-rw-r--r--

Removed use of deprecated 'imp' module in the frontend.

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1 # -*- coding: utf-8 -*-
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2
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3 # Copyright (c) 2007 - 2020 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 plugin deinstallation.
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8 """
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9
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10
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11 import sys
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12 import os
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13 import importlib
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14 import shutil
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15 import glob
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16
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17 from PyQt5.QtCore import pyqtSlot, pyqtSignal
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18 from PyQt5.QtWidgets import QWidget, QDialog, QDialogButtonBox, QVBoxLayout
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19
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20 from E5Gui import E5MessageBox
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21 from E5Gui.E5MainWindow import E5MainWindow
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22 from E5Gui.E5Application import e5App
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23
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24 from .Ui_PluginUninstallDialog import Ui_PluginUninstallDialog
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26 import Preferences
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27 import UI.PixmapCache
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28
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29
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30 class PluginUninstallWidget(QWidget, Ui_PluginUninstallDialog):
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31 """
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32 Class implementing a dialog for plugin deinstallation.
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33
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34 @signal accepted() emitted to indicate the removal of a plug-in
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35 """
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36 accepted = pyqtSignal()
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37
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38 def __init__(self, pluginManager, parent=None):
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39 """
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40 Constructor
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41
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42 @param pluginManager reference to the plugin manager object
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43 @param parent parent of this dialog (QWidget)
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44 """
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45 super(PluginUninstallWidget, self).__init__(parent)
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46 self.setupUi(self)
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47
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48 if pluginManager is None:
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49 # started as external plugin deinstaller
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50 from .PluginManager import PluginManager
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51 self.__pluginManager = PluginManager(doLoadPlugins=False)
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52 self.__external = True
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53 else:
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54 self.__pluginManager = pluginManager
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55 self.__external = False
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56
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57 self.pluginDirectoryCombo.addItem(
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58 self.tr("User plugins directory"),
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59 self.__pluginManager.getPluginDir("user"))
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60
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61 globalDir = self.__pluginManager.getPluginDir("global")
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62 if globalDir is not None and os.access(globalDir, os.W_OK):
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63 self.pluginDirectoryCombo.addItem(
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64 self.tr("Global plugins directory"),
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65 globalDir)
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66
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67 msh = self.minimumSizeHint()
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68 self.resize(max(self.width(), msh.width()), msh.height())
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69
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70 @pyqtSlot(int)
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71 def on_pluginDirectoryCombo_currentIndexChanged(self, index):
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72 """
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73 Private slot to populate the plugin name combo upon a change of the
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74 plugin area.
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75
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76 @param index index of the selected item (integer)
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77 """
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78 pluginDirectory = self.pluginDirectoryCombo.itemData(index)
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79 pluginNames = sorted(self.__pluginManager.getPluginModules(
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80 pluginDirectory))
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81 self.pluginNameCombo.clear()
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82 for pluginName in pluginNames:
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83 fname = "{0}.py".format(os.path.join(pluginDirectory, pluginName))
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84 self.pluginNameCombo.addItem(pluginName, fname)
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85 self.buttonBox.button(QDialogButtonBox.Ok).setEnabled(
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86 self.pluginNameCombo.currentText() != "")
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87
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88 @pyqtSlot()
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89 def on_buttonBox_accepted(self):
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90 """
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91 Private slot to handle the accepted signal of the button box.
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92 """
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93 if self.__uninstallPlugin():
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94 self.accepted.emit()
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95
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96 def __uninstallPlugin(self):
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97 """
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98 Private slot to uninstall the selected plugin.
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99
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100 @return flag indicating success (boolean)
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101 """
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102 pluginDirectory = self.pluginDirectoryCombo.itemData(
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103 self.pluginDirectoryCombo.currentIndex())
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104 pluginName = self.pluginNameCombo.currentText()
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105 pluginFile = self.pluginNameCombo.itemData(
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106 self.pluginNameCombo.currentIndex())
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107
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108 if not self.__pluginManager.unloadPlugin(pluginName):
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109 E5MessageBox.critical(
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110 self,
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111 self.tr("Plugin Uninstallation"),
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112 self.tr(
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113 """<p>The plugin <b>{0}</b> could not be unloaded."""
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114 """ Aborting...</p>""").format(pluginName))
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115 return False
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116
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117 if pluginDirectory not in sys.path:
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118 sys.path.insert(2, pluginDirectory)
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119 spec = importlib.util.spec_from_file_location(pluginName, pluginFile)
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120 module = importlib.util.module_from_spec(spec)
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121 spec.loader.exec_module(module)
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122 if not hasattr(module, "packageName"):
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123 E5MessageBox.critical(
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124 self,
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125 self.tr("Plugin Uninstallation"),
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parents: 3189
diff changeset
126 self.tr(
2992
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parents: 2889
diff changeset
127 """<p>The plugin <b>{0}</b> has no 'packageName'"""
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parents: 2889
diff changeset
128 """ attribute. Aborting...</p>""").format(pluginName))
0
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parents:
diff changeset
129 return False
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parents:
diff changeset
130
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parents: 6942
diff changeset
131 package = getattr(module, "packageName", None)
0
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parents:
diff changeset
132 if package is None:
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parents:
diff changeset
133 package = "None"
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parents:
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134 packageDir = ""
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parents:
diff changeset
135 else:
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parents:
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136 packageDir = os.path.join(pluginDirectory, package)
7255
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
137 if (
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
138 hasattr(module, "prepareUninstall") and
d595f6f9cbf8 Continued to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
139 not self.keepConfigurationCheckBox.isChecked()
d595f6f9cbf8 Continued to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
140 ):
0
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parents:
diff changeset
141 module.prepareUninstall()
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parents:
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142 internalPackages = []
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parents:
diff changeset
143 if hasattr(module, "internalPackages"):
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parents:
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144 # it is a comma separated string
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7ce719013078 Fixed various coding style issues.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 3022
diff changeset
145 internalPackages = [p.strip() for p in
2992
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parents: 2889
diff changeset
146 module.internalPackages.split(",")]
0
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parents:
diff changeset
147 del module
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parents:
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148
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parents:
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149 # clean sys.modules
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parents:
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150 self.__pluginManager.removePluginFromSysModules(
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parents:
diff changeset
151 pluginName, package, internalPackages)
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parents:
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152
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parents:
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153 try:
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parents:
diff changeset
154 if packageDir and os.path.exists(packageDir):
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parents:
diff changeset
155 shutil.rmtree(packageDir)
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parents:
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156
415
59a0f9e90768 Did some more string format conversions.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 13
diff changeset
157 fnameo = "{0}o".format(pluginFile)
0
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parents:
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158 if os.path.exists(fnameo):
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parents:
diff changeset
159 os.remove(fnameo)
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parents:
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160
415
59a0f9e90768 Did some more string format conversions.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 13
diff changeset
161 fnamec = "{0}c".format(pluginFile)
0
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parents:
diff changeset
162 if os.path.exists(fnamec):
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parents:
diff changeset
163 os.remove(fnamec)
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parents:
diff changeset
164
2992
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parents: 2889
diff changeset
165 pluginDirCache = os.path.join(
dbdf27746da5 Continued to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2889
diff changeset
166 os.path.dirname(pluginFile), "__pycache__")
2854
2de1955c6391 Fixed an issue uninstalling a plug-in leaving residual files.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2824
diff changeset
167 if os.path.exists(pluginDirCache):
2992
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parents: 2889
diff changeset
168 pluginFileName = os.path.splitext(
dbdf27746da5 Continued to shorten the code lines to max. 79 characters.
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parents: 2889
diff changeset
169 os.path.basename(pluginFile))[0]
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parents: 2889
diff changeset
170 for fnameo in glob.glob(os.path.join(
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2889
diff changeset
171 pluginDirCache, "{0}*.pyo".format(pluginFileName))):
2854
2de1955c6391 Fixed an issue uninstalling a plug-in leaving residual files.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2824
diff changeset
172 os.remove(fnameo)
2992
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parents: 2889
diff changeset
173 for fnamec in glob.glob(os.path.join(
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parents: 2889
diff changeset
174 pluginDirCache, "{0}*.pyc".format(pluginFileName))):
2854
2de1955c6391 Fixed an issue uninstalling a plug-in leaving residual files.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2824
diff changeset
175 os.remove(fnamec)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2824
diff changeset
176
0
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parents:
diff changeset
177 os.remove(pluginFile)
12
1d8dd9706f46 First commit after changing to Python 3.1.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7
diff changeset
178 except OSError as err:
3020
542e97d4ecb3 Fixed a bunch of visible indentation issues.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2992
diff changeset
179 E5MessageBox.critical(
542e97d4ecb3 Fixed a bunch of visible indentation issues.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2992
diff changeset
180 self,
3190
a9a94491c4fd Changed the code to use QObject.tr() instead of QObject.trUtf8().
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parents: 3189
diff changeset
181 self.tr("Plugin Uninstallation"),
a9a94491c4fd Changed the code to use QObject.tr() instead of QObject.trUtf8().
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 3189
diff changeset
182 self.tr(
2992
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parents: 2889
diff changeset
183 """<p>The plugin package <b>{0}</b> could not be"""
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parents: 2889
diff changeset
184 """ removed. Aborting...</p>"""
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2889
diff changeset
185 """<p>Reason: {1}</p>""").format(packageDir, str(err)))
0
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parents:
diff changeset
186 return False
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parents:
diff changeset
187
2192
61b3849df76d Changed a few places to use the new notification system.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2101
diff changeset
188 if not self.__external:
61b3849df76d Changed a few places to use the new notification system.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2101
diff changeset
189 ui = e5App().getObject("UserInterface")
61b3849df76d Changed a few places to use the new notification system.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2101
diff changeset
190 if ui.notificationsEnabled():
3022
57179e4cdadd Fixed a bunch of visible indentation issues.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 3020
diff changeset
191 ui.showNotification(
57179e4cdadd Fixed a bunch of visible indentation issues.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 3020
diff changeset
192 UI.PixmapCache.getPixmap("plugin48.png"),
3190
a9a94491c4fd Changed the code to use QObject.tr() instead of QObject.trUtf8().
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 3189
diff changeset
193 self.tr("Plugin Uninstallation"),
a9a94491c4fd Changed the code to use QObject.tr() instead of QObject.trUtf8().
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 3189
diff changeset
194 self.tr(
3022
57179e4cdadd Fixed a bunch of visible indentation issues.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 3020
diff changeset
195 """<p>The plugin <b>{0}</b> was uninstalled"""
3034
7ce719013078 Fixed various coding style issues.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 3022
diff changeset
196 """ successfully from {1}.</p>""")
2192
61b3849df76d Changed a few places to use the new notification system.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2101
diff changeset
197 .format(pluginName, pluginDirectory))
61b3849df76d Changed a few places to use the new notification system.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2101
diff changeset
198 return True
61b3849df76d Changed a few places to use the new notification system.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2101
diff changeset
199
3020
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2992
diff changeset
200 E5MessageBox.information(
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2992
diff changeset
201 self,
3190
a9a94491c4fd Changed the code to use QObject.tr() instead of QObject.trUtf8().
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 3189
diff changeset
202 self.tr("Plugin Uninstallation"),
a9a94491c4fd Changed the code to use QObject.tr() instead of QObject.trUtf8().
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 3189
diff changeset
203 self.tr(
2992
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2889
diff changeset
204 """<p>The plugin <b>{0}</b> was uninstalled successfully"""
3034
7ce719013078 Fixed various coding style issues.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 3022
diff changeset
205 """ from {1}.</p>""")
3036
30c81c9e88b8 Fixed a bunch of indentation issues.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 3034
diff changeset
206 .format(pluginName, pluginDirectory))
0
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
207 return True
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parents:
diff changeset
208
945
8cd4d08fa9f6 Made code mostly PEP 8 compliant (except all whitespace and line length).
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 881
diff changeset
209
0
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
210 class PluginUninstallDialog(QDialog):
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
211 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
212 Class for the dialog variant.
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
213 """
945
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 881
diff changeset
214 def __init__(self, pluginManager, parent=None):
0
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parents:
diff changeset
215 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
216 Constructor
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
217
de9c2efb9d02 Started porting eric4 to Python3
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parents:
diff changeset
218 @param pluginManager reference to the plugin manager object
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parents:
diff changeset
219 @param parent reference to the parent widget (QWidget)
de9c2efb9d02 Started porting eric4 to Python3
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parents:
diff changeset
220 """
2525
8b507a9a2d40 Script changes: Future import added, super calls modified and unicode behavior for str.
T.Rzepka <Tobias.Rzepka@gmail.com>
parents: 2404
diff changeset
221 super(PluginUninstallDialog, self).__init__(parent)
0
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
222 self.setSizeGripEnabled(True)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
223
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
224 self.__layout = QVBoxLayout(self)
2824
858412c29c34 Replaced the obsoleted method setMargin() with setContentsMargins().
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2404
diff changeset
225 self.__layout.setContentsMargins(0, 0, 0, 0)
0
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parents:
diff changeset
226 self.setLayout(self.__layout)
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parents:
diff changeset
227
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parents:
diff changeset
228 self.cw = PluginUninstallWidget(pluginManager, self)
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parents:
diff changeset
229 size = self.cw.size()
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parents:
diff changeset
230 self.__layout.addWidget(self.cw)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
231 self.resize(size)
3189
9a21c547de5f Fixed issues showing the correct window title for some dialogs.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 3160
diff changeset
232 self.setWindowTitle(self.cw.windowTitle())
0
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parents:
diff changeset
233
3345
071afe8be2a1 Changed signal/slot usage to not use constructs like 'triggered[()].connect(...)' anymore.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 3190
diff changeset
234 self.cw.buttonBox.accepted.connect(self.accept)
071afe8be2a1 Changed signal/slot usage to not use constructs like 'triggered[()].connect(...)' anymore.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 3190
diff changeset
235 self.cw.buttonBox.rejected.connect(self.reject)
0
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parents:
diff changeset
236
945
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 881
diff changeset
237
2101
5bac7dee9e1a Introduced the E5MainWindow class allowing to set a style for all the main windows.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1509
diff changeset
238 class PluginUninstallWindow(E5MainWindow):
0
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
239 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
240 Main window class for the standalone dialog.
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
241 """
945
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 881
diff changeset
242 def __init__(self, parent=None):
0
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
243 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
244 Constructor
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
245
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parents:
diff changeset
246 @param parent reference to the parent widget (QWidget)
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parents:
diff changeset
247 """
2525
8b507a9a2d40 Script changes: Future import added, super calls modified and unicode behavior for str.
T.Rzepka <Tobias.Rzepka@gmail.com>
parents: 2404
diff changeset
248 super(PluginUninstallWindow, self).__init__(parent)
0
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parents:
diff changeset
249 self.cw = PluginUninstallWidget(None, self)
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parents:
diff changeset
250 size = self.cw.size()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
251 self.setCentralWidget(self.cw)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
252 self.resize(size)
3189
9a21c547de5f Fixed issues showing the correct window title for some dialogs.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 3160
diff changeset
253 self.setWindowTitle(self.cw.windowTitle())
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
254
2992
dbdf27746da5 Continued to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2889
diff changeset
255 self.setStyle(Preferences.getUI("Style"),
dbdf27746da5 Continued to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2889
diff changeset
256 Preferences.getUI("StyleSheet"))
2101
5bac7dee9e1a Introduced the E5MainWindow class allowing to set a style for all the main windows.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1509
diff changeset
257
3345
071afe8be2a1 Changed signal/slot usage to not use constructs like 'triggered[()].connect(...)' anymore.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 3190
diff changeset
258 self.cw.buttonBox.accepted.connect(self.close)
071afe8be2a1 Changed signal/slot usage to not use constructs like 'triggered[()].connect(...)' anymore.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 3190
diff changeset
259 self.cw.buttonBox.rejected.connect(self.close)

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