Helpviewer/CookieJar/CookieModel.py

Mon, 25 Mar 2013 03:11:06 +0100

author
T.Rzepka <Tobias.Rzepka@gmail.com>
date
Mon, 25 Mar 2013 03:11:06 +0100
branch
Py2 comp.
changeset 2525
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parent 2302
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child 3145
a9de05d4a22f
permissions
-rw-r--r--

Script changes: Future import added, super calls modified and unicode behavior for str.

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1 # -*- coding: utf-8 -*-
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2
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3 # Copyright (c) 2009 - 2013 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 cookie model.
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8 """
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9
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10 from __future__ import unicode_literals # __IGNORE_WARNING__
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11
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12 from PyQt4.QtCore import Qt, QAbstractTableModel, QSize, QModelIndex
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13 from PyQt4.QtGui import QFont, QFontMetrics
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14
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15
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16 class CookieModel(QAbstractTableModel):
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17 """
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18 Class implementing the cookie model.
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19 """
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20 def __init__(self, cookieJar, parent=None):
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21 """
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22 Constructor
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23
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24 @param cookieJar reference to the cookie jar (CookieJar)
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25 @param parent reference to the parent object (QObject)
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26 """
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27 super(CookieModel, self).__init__(parent)
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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("Name"),
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32 self.trUtf8("Path"),
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33 self.trUtf8("Secure"),
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34 self.trUtf8("Expires"),
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35 self.trUtf8("Contents"),
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36 ]
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37 self.__cookieJar = cookieJar
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38 self.__cookieJar.cookiesChanged.connect(self.__cookiesChanged)
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39 self.__cookieJar.load()
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40
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41 def headerData(self, section, orientation, role):
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42 """
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43 Public method to get header data from the model.
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44
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45 @param section section number (integer)
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46 @param orientation orientation (Qt.Orientation)
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47 @param role role of the data to retrieve (integer)
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48 @return requested data
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49 """
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50 if role == Qt.SizeHintRole:
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51 fm = QFontMetrics(QFont())
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52 height = fm.height() + fm.height() // 3
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53 width = \
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54 fm.width(self.headerData(section, orientation, Qt.DisplayRole))
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55 return QSize(width, height)
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56
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57 if orientation == Qt.Horizontal:
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58 if role == Qt.DisplayRole:
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59 try:
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60 return self.__headers[section]
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61 except IndexError:
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62 return None
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63
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64 return None
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65
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66 return QAbstractTableModel.headerData(self, section, orientation, role)
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67
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68 def data(self, index, role):
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69 """
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70 Public method to get data from the model.
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71
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72 @param index index to get data for (QModelIndex)
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73 @param role role of the data to retrieve (integer)
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74 @return requested data
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75 """
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76 lst = []
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77 if self.__cookieJar is not None:
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78 lst = self.__cookieJar.cookies()
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79 if index.row() < 0 or index.row() >= len(lst):
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80 return None
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81
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82 if role in (Qt.DisplayRole, Qt.EditRole):
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83 cookie = lst[index.row()]
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84 col = index.column()
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85 if col == 0:
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86 return cookie.domain()
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87 elif col == 1:
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88 return bytes(cookie.name()).decode()
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89 elif col == 2:
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90 return cookie.path()
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91 elif col == 3:
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92 return cookie.isSecure()
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93 elif col == 4:
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94 return cookie.expirationDate()
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95 elif col == 5:
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96 return cookie.value()
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97 else:
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98 return None
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99
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100 return None
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101
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102 def columnCount(self, parent=QModelIndex()):
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103 """
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104 Public method to get the number of columns of the model.
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105
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106 @param parent parent index (QModelIndex)
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107 @return number of columns (integer)
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108 """
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109 if parent.isValid():
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110 return 0
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111 else:
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112 return len(self.__headers)
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113
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114 def rowCount(self, parent=QModelIndex()):
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115 """
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116 Public method to get the number of rows of the model.
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117
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118 @param parent parent index (QModelIndex)
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119 @return number of columns (integer)
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120 """
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121 if parent.isValid() or self.__cookieJar is None:
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122 return 0
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123 else:
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124 return len(self.__cookieJar.cookies())
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125
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126 def removeRows(self, row, count, parent=QModelIndex()):
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127 """
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128 Public method to remove entries from the model.
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129
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130 @param row start row (integer)
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131 @param count number of rows to remove (integer)
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132 @param parent parent index (QModelIndex)
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133 @return flag indicating success (boolean)
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134 """
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135 if parent.isValid() or self.__cookieJar is None:
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136 return False
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137
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138 lastRow = row + count - 1
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139 self.beginRemoveRows(parent, row, lastRow)
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140 lst = self.__cookieJar.cookies()
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141 del lst[row:lastRow + 1]
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142 self.__cookieJar.setCookies(lst)
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143 self.endRemoveRows()
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144
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145 return True
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146
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147 def __cookiesChanged(self):
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148 """
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149 Private slot handling changes of the cookies list in the cookie jar.
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150 """
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151 self.reset()

eric ide

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