DataViews/PyProfileDialog.py

Sat, 07 Apr 2012 21:19:24 +0200

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Sat, 07 Apr 2012 21:19:24 +0200
changeset 1770
c17e67e69ef5
parent 1509
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child 2302
f29e9405c851
permissions
-rw-r--r--

Added a tool to take screenshots (fullscreen or rectangular selection).

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1 # -*- coding: utf-8 -*-
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2
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3 # Copyright (c) 2003 - 2012 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 to display profile data.
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8 """
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9
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10 import os
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11 import pickle
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12
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13 from PyQt4.QtCore import Qt
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14 from PyQt4.QtGui import QDialog, QDialogButtonBox, QMenu, QHeaderView, QTreeWidgetItem, \
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15 QApplication
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16
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17 from E5Gui import E5MessageBox
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18
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1d8dd9706f46 First commit after changing to Python 3.1.
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19 from .Ui_PyProfileDialog import Ui_PyProfileDialog
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20 import Utilities
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21
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22 from eric5config import getConfig
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23
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24
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25 class ProfileTreeWidgetItem(QTreeWidgetItem):
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26 """
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27 Class implementing a custom QTreeWidgetItem to allow sorting on numeric values.
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28 """
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29 def __getNC(self, itm):
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30 """
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31 Private method to get the value to compare on for the first column.
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32
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33 @param itm item to operate on (ProfileTreeWidgetItem)
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34 """
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35 s = itm.text(0)
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36 return int(s.split('/')[0])
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37
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38 def __lt__(self, other):
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39 """
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40 Public method to check, if the item is less than the other one.
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41
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42 @param other reference to item to compare against (ProfileTreeWidgetItem)
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43 @return true, if this item is less than other (boolean)
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44 """
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45 column = self.treeWidget().sortColumn()
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46 if column == 0:
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47 return self.__getNC(self) < self.__getNC(other)
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48 if column == 6:
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49 return int(self.text(column)) < int(other.text(column))
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50 return self.text(column) < other.text(column)
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51
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52
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53 class PyProfileDialog(QDialog, Ui_PyProfileDialog):
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54 """
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55 Class implementing a dialog to display the results of a syntax check run.
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56 """
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57 def __init__(self, parent=None):
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58 """
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59 Constructor
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60
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61 @param parent parent widget (QWidget)
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62 """
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63 super().__init__(parent)
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64 self.setupUi(self)
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65
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66 self.buttonBox.button(QDialogButtonBox.Close).setEnabled(False)
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67 self.buttonBox.button(QDialogButtonBox.Cancel).setDefault(True)
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68
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69 self.cancelled = False
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70 self.exclude = True
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71 self.ericpath = getConfig('ericDir')
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72 self.pyLibPath = Utilities.getPythonLibPath()
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73
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74 self.summaryList.headerItem().setText(self.summaryList.columnCount(), "")
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75 self.resultList.headerItem().setText(self.resultList.columnCount(), "")
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76 self.resultList.header().setSortIndicator(0, Qt.DescendingOrder)
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77
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78 self.__menu = QMenu(self)
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79 self.filterItm = self.__menu.addAction(self.trUtf8('Exclude Python Library'),
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80 self.__filter)
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81 self.__menu.addSeparator()
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82 self.__menu.addAction(self.trUtf8('Erase Profiling Info'),
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83 self.__eraseProfile)
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84 self.__menu.addAction(self.trUtf8('Erase Timing Info'), self.__eraseTiming)
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85 self.__menu.addSeparator()
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86 self.__menu.addAction(self.trUtf8('Erase All Infos'), self.__eraseAll)
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87 self.resultList.setContextMenuPolicy(Qt.CustomContextMenu)
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88 self.resultList.customContextMenuRequested.connect(self.__showContextMenu)
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89 self.summaryList.setContextMenuPolicy(Qt.CustomContextMenu)
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90 self.summaryList.customContextMenuRequested.connect(self.__showContextMenu)
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91
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92 def __createResultItem(self, calls, totalTime, totalTimePerCall, cumulativeTime,
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93 cumulativeTimePerCall, file, line, functionName):
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94 """
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95 Private method to create an entry in the result list.
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96
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97 @param calls number of calls (integer)
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98 @param totalTime total time (double)
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99 @param totalTimePerCall total time per call (double)
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100 @param cumulativeTime cumulative time (double)
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101 @param cumulativeTimePerCall cumulative time per call (double)
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102 @param file filename of file (string)
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103 @param line linenumber (integer)
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104 @param functionName function name (string)
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105 """
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106 itm = ProfileTreeWidgetItem(self.resultList, [
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107 calls,
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108 "{0: 8.3f}".format(totalTime),
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109 totalTimePerCall,
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110 "{0: 8.3f}".format(cumulativeTime),
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111 cumulativeTimePerCall,
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112 file,
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113 str(line),
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114 functionName
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115 ])
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116 for col in [0, 1, 2, 3, 4, 6]:
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117 itm.setTextAlignment(col, Qt.AlignRight)
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118
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119 def __createSummaryItem(self, label, contents):
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120 """
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121 Private method to create an entry in the summary list.
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122
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123 @param label text of the first column (string)
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124 @param contents text of the second column (string)
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125 """
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126 itm = QTreeWidgetItem(self.summaryList, [label, contents])
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127 itm.setTextAlignment(1, Qt.AlignRight)
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128
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parents:
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129 def __resortResultList(self):
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parents:
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130 """
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parents:
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131 Private method to resort the tree.
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parents:
diff changeset
132 """
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133 self.resultList.sortItems(self.resultList.sortColumn(),
0
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parents:
diff changeset
134 self.resultList.header().sortIndicatorOrder())
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parents:
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135
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136 def __populateLists(self, exclude=False):
0
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137 """
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parents:
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138 Private method used to populate the listviews.
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parents:
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139
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parents:
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140 @param exclude flag indicating whether files residing in the
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parents:
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141 Python library should be excluded
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parents:
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142 """
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parents:
diff changeset
143 self.resultList.clear()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
144 self.summaryList.clear()
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parents:
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145
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parents:
diff changeset
146 self.checkProgress.setMaximum(len(self.stats))
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parents:
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147 QApplication.processEvents()
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148
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149 progress = 0
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parents:
diff changeset
150 total_calls = 0
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diff changeset
151 prim_calls = 0
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diff changeset
152 total_tt = 0
0
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153
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154 try:
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parents:
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155 # disable updates of the list for speed
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parents:
diff changeset
156 self.resultList.setUpdatesEnabled(False)
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parents:
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157 self.resultList.setSortingEnabled(False)
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158
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parents:
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159 # now go through all the files
12
1d8dd9706f46 First commit after changing to Python 3.1.
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parents: 0
diff changeset
160 for func, (cc, nc, tt, ct, callers) in list(self.stats.items()):
0
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parents:
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161 if self.cancelled:
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parents:
diff changeset
162 return
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parents:
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163
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parents:
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164 if not (self.ericpath and func[0].startswith(self.ericpath)) and \
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parents:
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165 not (exclude and func[0].startswith(self.pyLibPath)):
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parents:
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166 if self.file is None or func[0].startswith(self.file) or \
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parents:
diff changeset
167 func[0].startswith(self.pyLibPath):
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parents:
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168 # calculate the totals
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parents:
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169 total_calls += nc
945
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parents: 791
diff changeset
170 prim_calls += cc
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parents: 791
diff changeset
171 total_tt += tt
0
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172
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173 if nc != cc:
406
eacf81fad150 Started converting the string formatting stuff.
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parents: 96
diff changeset
174 c = "{0:d}/{1:d}".format(nc, cc)
0
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parents:
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175 else:
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parents:
diff changeset
176 c = str(nc)
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parents:
diff changeset
177 if nc == 0:
406
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parents: 96
diff changeset
178 tpc = "{0: 8.3f}".format(0.0)
0
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179 else:
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180 tpc = "{0: 8.3f}".format(tt / nc)
0
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parents:
diff changeset
181 if cc == 0:
406
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parents: 96
diff changeset
182 cpc = "{0: 8.3f}".format(0.0)
0
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parents:
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183 else:
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diff changeset
184 cpc = "{0: 8.3f}".format(ct / cc)
8cd4d08fa9f6 Made code mostly PEP 8 compliant (except all whitespace and line length).
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 791
diff changeset
185 self.__createResultItem(c, tt, tpc, ct, cpc, func[0],
0
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parents:
diff changeset
186 func[1], func[2])
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parents:
diff changeset
187
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parents:
diff changeset
188 progress += 1
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
189 self.checkProgress.setValue(progress)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
190 QApplication.processEvents()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
191 finally:
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parents:
diff changeset
192 # reenable updates of the list
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parents:
diff changeset
193 self.resultList.setSortingEnabled(True)
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parents:
diff changeset
194 self.resultList.setUpdatesEnabled(True)
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parents:
diff changeset
195 self.__resortResultList()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
196
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parents:
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197 # now do the summary stuff
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parents:
diff changeset
198 self.__createSummaryItem(self.trUtf8("function calls"), str(total_calls))
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parents:
diff changeset
199 if total_calls != prim_calls:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
200 self.__createSummaryItem(self.trUtf8("primitive calls"), str(prim_calls))
406
eacf81fad150 Started converting the string formatting stuff.
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parents: 96
diff changeset
201 self.__createSummaryItem(self.trUtf8("CPU seconds"), "{0:.3f}".format(total_tt))
0
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diff changeset
202
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
203 def start(self, pfn, fn=None):
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
204 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
205 Public slot to start the calculation of the profile data.
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
206
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
207 @param pfn basename of the profiling file (string)
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parents:
diff changeset
208 @param fn file to display the profiling data for (string)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
209 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
210 self.basename = os.path.splitext(pfn)[0]
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parents:
diff changeset
211
406
eacf81fad150 Started converting the string formatting stuff.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 96
diff changeset
212 fname = "{0}.profile".format(self.basename)
0
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
213 if not os.path.exists(fname):
539
87f9bce38a44 Continued replacing QMessageBox methods with own methods.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 537
diff changeset
214 E5MessageBox.warning(self,
0
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
215 self.trUtf8("Profile Results"),
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
216 self.trUtf8("""<p>There is no profiling data"""
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
217 """ available for <b>{0}</b>.</p>""")
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
218 .format(pfn))
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
219 self.close()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
220 return
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
221 try:
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
222 f = open(fname, 'rb')
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
223 self.stats = pickle.load(f)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
224 f.close()
982
a1abe3018d04 Fixed an issue in the PyProfile dialog (forgot to catch EOFError exception).
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 945
diff changeset
225 except (EnvironmentError, pickle.PickleError, EOFError):
537
72b32daeb8d6 Continued replacing QMessageBox methods with own methods.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 454
diff changeset
226 E5MessageBox.critical(self,
0
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
227 self.trUtf8("Loading Profiling Data"),
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
228 self.trUtf8("""<p>The profiling data could not be"""
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
229 """ read from file <b>{0}</b>.</p>""")
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
230 .format(fname))
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
231 self.close()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
232 return
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
233
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
234 self.file = fn
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
235 self.__populateLists()
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
236 self.__finish()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
237
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
238 def __finish(self):
de9c2efb9d02 Started porting eric4 to Python3
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 Private slot called when the action finished or the user pressed the button.
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
241 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
242 self.cancelled = True
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
243 self.buttonBox.button(QDialogButtonBox.Close).setEnabled(True)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
244 self.buttonBox.button(QDialogButtonBox.Cancel).setEnabled(False)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
245 self.buttonBox.button(QDialogButtonBox.Close).setDefault(True)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
246 QApplication.processEvents()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
247 self.resultList.header().resizeSections(QHeaderView.ResizeToContents)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
248 self.resultList.header().setStretchLastSection(True)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
249 self.summaryList.header().resizeSections(QHeaderView.ResizeToContents)
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parents:
diff changeset
250 self.summaryList.header().setStretchLastSection(True)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
251
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
252 def __unfinish(self):
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
253 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
254 Private slot called to revert the effects of the __finish slot.
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
255 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
256 self.cancelled = False
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
257 self.buttonBox.button(QDialogButtonBox.Close).setEnabled(False)
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258 self.buttonBox.button(QDialogButtonBox.Cancel).setEnabled(True)
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259 self.buttonBox.button(QDialogButtonBox.Cancel).setDefault(True)
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260
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261 def on_buttonBox_clicked(self, button):
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262 """
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263 Private slot called by a button of the button box clicked.
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264
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265 @param button button that was clicked (QAbstractButton)
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266 """
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267 if button == self.buttonBox.button(QDialogButtonBox.Close):
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268 self.close()
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269 elif button == self.buttonBox.button(QDialogButtonBox.Cancel):
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270 self.__finish()
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271
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272 def __showContextMenu(self, coord):
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273 """
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274 Private slot to show the context menu of the listview.
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275
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276 @param coord the position of the mouse pointer (QPoint)
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277 """
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278 self.__menu.popup(self.mapToGlobal(coord))
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279
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280 def __eraseProfile(self):
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281 """
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282 Private slot to handle the Erase Profile context menu action.
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283 """
406
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parents: 96
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284 fname = "{0}.profile".format(self.basename)
0
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285 if os.path.exists(fname):
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286 os.remove(fname)
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287
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288 def __eraseTiming(self):
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289 """
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290 Private slot to handle the Erase Timing context menu action.
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parents:
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291 """
406
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diff changeset
292 fname = "{0}.timings".format(self.basename)
0
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293 if os.path.exists(fname):
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294 os.remove(fname)
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295
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296 def __eraseAll(self):
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parents:
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297 """
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parents:
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298 Private slot to handle the Erase All context menu action.
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parents:
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299 """
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parents:
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300 self.__eraseProfile()
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parents:
diff changeset
301 self.__eraseTiming()
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302
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parents:
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303 def __filter(self):
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parents:
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304 """
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parents:
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305 Private slot to handle the Exclude/Include Python Library context menu action.
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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306 """
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parents:
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307 self.__unfinish()
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parents:
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308 if self.exclude:
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parents:
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309 self.exclude = False
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parents:
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310 self.filterItm.setText(self.trUtf8('Include Python Library'))
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parents:
diff changeset
311 self.__populateLists(True)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
312 else:
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parents:
diff changeset
313 self.exclude = True
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parents:
diff changeset
314 self.filterItm.setText(self.trUtf8('Exclude Python Library'))
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parents:
diff changeset
315 self.__populateLists(False)
945
8cd4d08fa9f6 Made code mostly PEP 8 compliant (except all whitespace and line length).
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parents: 791
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316 self.__finish()

eric ide

mercurial