Helpviewer/Passwords/PasswordModel.py

Wed, 01 Jan 2014 14:38:45 +0100

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Wed, 01 Jan 2014 14:38:45 +0100
changeset 3160
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parent 2302
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child 3178
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child 3190
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permissions
-rw-r--r--

Updated copyright for 2014.

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1 # -*- coding: utf-8 -*-
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2
3160
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3 # Copyright (c) 2009 - 2014 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 model for password management.
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8 """
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9
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10 from PyQt4.QtCore import Qt, QModelIndex, QAbstractTableModel
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12
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13 class PasswordModel(QAbstractTableModel):
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14 """
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15 Class implementing a model for password management.
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16 """
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17 def __init__(self, manager, parent=None):
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18 """
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19 Constructor
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20
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21 @param manager reference to the password manager (PasswordManager)
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22 @param parent reference to the parent object (QObject)
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23 """
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24 super().__init__(parent)
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25
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26 self.__manager = manager
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27 manager.changed.connect(self.__passwordsChanged)
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28
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29 self.__headers = [
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30 self.trUtf8("Website"),
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31 self.trUtf8("Username"),
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32 self.trUtf8("Password")
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33 ]
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34
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35 self.__showPasswords = False
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36
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37 def setShowPasswords(self, on):
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38 """
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39 Public methods to show passwords.
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40
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41 @param on flag indicating if passwords shall be shown (boolean)
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42 """
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43 self.__showPasswords = on
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44 self.reset()
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45
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46 def showPasswords(self):
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47 """
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48 Public method to indicate, if passwords shall be shown.
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49
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50 @return flag indicating if passwords shall be shown (boolean)
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51 """
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52 return self.__showPasswords
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53
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54 def __passwordsChanged(self):
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55 """
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56 Private slot handling a change of the registered passwords.
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57 """
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58 self.reset()
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59
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60 def removeRows(self, row, count, parent=QModelIndex()):
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61 """
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62 Public method to remove entries from the model.
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63
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64 @param row start row (integer)
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65 @param count number of rows to remove (integer)
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66 @param parent parent index (QModelIndex)
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67 @return flag indicating success (boolean)
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68 """
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69 if parent.isValid():
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70 return False
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71
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72 if count <= 0:
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73 return False
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74
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75 lastRow = row + count - 1
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76
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77 self.beginRemoveRows(parent, row, lastRow)
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78
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79 siteList = self.__manager.allSiteNames()
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80 for index in range(row, lastRow + 1):
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81 self.__manager.removePassword(siteList[index])
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82
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83 # removeEngine emits changed()
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84 #self.endRemoveRows()
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85
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86 return True
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87
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88 def rowCount(self, parent=QModelIndex()):
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89 """
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90 Public method to get the number of rows of the model.
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91
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92 @param parent parent index (QModelIndex)
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93 @return number of rows (integer)
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94 """
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95 if parent.isValid():
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96 return 0
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97 else:
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98 return self.__manager.sitesCount()
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99
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100 def columnCount(self, parent=QModelIndex()):
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101 """
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102 Public method to get the number of columns of the model.
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103
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104 @param parent parent index (QModelIndex)
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105 @return number of columns (integer)
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106 """
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107 if self.__showPasswords:
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108 return 3
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109 else:
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110 return 2
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111
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112 def data(self, index, role):
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113 """
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114 Public method to get data from the model.
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115
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116 @param index index to get data for (QModelIndex)
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117 @param role role of the data to retrieve (integer)
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118 @return requested data
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119 """
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120 if index.row() >= self.__manager.sitesCount() or index.row() < 0:
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121 return None
0
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122
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123 site = self.__manager.allSiteNames()[index.row()]
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124 siteInfo = self.__manager.siteInfo(site)
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125
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126 if siteInfo is None:
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127 return None
0
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128
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129 if role == Qt.DisplayRole:
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130 if index.column() == 0:
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131 return site
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132 elif index.column() in [1, 2]:
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133 return siteInfo[index.column() - 1]
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134
7
c679fb30c8f3 Change code dealing with QVariant (and QSettings) to use the PyQt4 QVariant v2 API.
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parents: 0
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135 return None
0
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136
945
8cd4d08fa9f6 Made code mostly PEP 8 compliant (except all whitespace and line length).
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 791
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137 def headerData(self, section, orientation, role=Qt.DisplayRole):
0
de9c2efb9d02 Started porting eric4 to Python3
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138 """
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139 Public method to get the header data.
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140
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141 @param section section number (integer)
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parents:
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142 @param orientation header orientation (Qt.Orientation)
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parents:
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143 @param role data role (integer)
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c679fb30c8f3 Change code dealing with QVariant (and QSettings) to use the PyQt4 QVariant v2 API.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 0
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144 @return header data
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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145 """
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146 if orientation == Qt.Horizontal and role == Qt.DisplayRole:
de9c2efb9d02 Started porting eric4 to Python3
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147 try:
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c679fb30c8f3 Change code dealing with QVariant (and QSettings) to use the PyQt4 QVariant v2 API.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 0
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148 return self.__headers[section]
0
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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149 except IndexError:
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Detlev Offenbach <detlev@die-offenbachs.de>
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150 pass
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151
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 0
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152 return None

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