Debugger/ExceptionLogger.py

Sat, 02 Jan 2010 18:52:53 +0000

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Sat, 02 Jan 2010 18:52:53 +0000
changeset 18
3b1f5d872fd7
parent 13
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child 53
c3eb7cc1ff8b
permissions
-rw-r--r--

More renaming to eric5.

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1 # -*- coding: utf-8 -*-
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2
13
1af94a91f439 Changed copyright for 2010.
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3 # Copyright (c) 2002 - 2010 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 Exception Logger widget.
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8 """
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9
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10 from PyQt4.QtCore import *
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11 from PyQt4.QtGui import *
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12
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13 from E4Gui.E4Application import e4App
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14
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15
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16 class ExceptionLogger(QTreeWidget):
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17 """
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18 Class implementing the Exception Logger widget.
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19
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20 This class displays a log of all exceptions having occured during
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21 a debugging session.
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22
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23 @signal sourceFile(string, int) emitted to open a source file at a line
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24 """
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25 def __init__(self, parent=None):
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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 widget
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30 """
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31 QTreeWidget.__init__(self, parent)
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32 self.setObjectName("ExceptionLogger")
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33
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34 self.setWindowTitle(self.trUtf8("Exceptions"))
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35
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36 self.setWordWrap(True)
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37 self.setRootIsDecorated(True)
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38 self.setHeaderLabels([self.trUtf8("Exception")])
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39 self.setSortingEnabled(False)
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40
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41 self.setContextMenuPolicy(Qt.CustomContextMenu)
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42 self.connect(self,SIGNAL('customContextMenuRequested(const QPoint &)'),
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43 self.__showContextMenu)
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44 self.connect(self,SIGNAL('itemDoubleClicked(QTreeWidgetItem *, int)'),
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45 self.__itemDoubleClicked)
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46
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47 self.setWhatsThis(self.trUtf8(
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48 """<b>Exceptions Logger</b>"""
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49 """<p>This windows shows a trace of all exceptions, that have"""
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50 """ occured during the last debugging session. Initially only the"""
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51 """ exception type and exception message are shown. After"""
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52 """ the expansion of this entry, the complete call stack as reported"""
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53 """ by the client is show with the most recent call first.</p>"""
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54 ))
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55
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56 self.menu = QMenu(self)
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57 self.menu.addAction(self.trUtf8("Show source"), self.__openSource)
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58 self.menu.addAction(self.trUtf8("Clear"), self.clear)
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59 self.menu.addSeparator()
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60 self.menu.addAction(self.trUtf8("Configure..."), self.__configure)
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61
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62 self.backMenu = QMenu(self)
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63 self.backMenu.addAction(self.trUtf8("Clear"), self.clear)
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64 self.backMenu.addSeparator()
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65 self.backMenu.addAction(self.trUtf8("Configure..."), self.__configure)
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66
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67 def __itemDoubleClicked(self, itm):
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68 """
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69 Private slot to handle the double click of an item.
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70
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71 @param itm the item that was double clicked(QTreeWidgetItem), ignored
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72 """
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73 self.__openSource()
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74
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75 def __showContextMenu(self, coord):
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76 """
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77 Private slot to show the context menu of the listview.
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78
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79 @param coord the global coordinates of the mouse pointer (QPoint)
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80 """
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81 itm = self.itemAt(coord)
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82 coord = self.mapToGlobal(coord)
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83 if itm is None:
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84 self.backMenu.popup(coord)
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85 else:
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86 self.menu.popup(coord)
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87
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88 def addException(self, exceptionType, exceptionMessage, stackTrace):
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89 """
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90 Public slot to handle the arrival of a new exception.
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91
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92 @param exceptionType type of exception raised (string)
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93 @param exceptionMessage message given by the exception (string)
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94 @param stackTrace list of stack entries.
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95 """
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96 itm = QTreeWidgetItem(self)
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97 if exceptionType is None:
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98 itm.setText(0,
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99 self.trUtf8('An unhandled exception occured.'
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100 ' See the shell window for details.'))
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101 return
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102
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103 if exceptionMessage == '':
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104 itm.setText(0, "%s" % exceptionType)
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105 else:
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106 itm.setText(0, "%s, %s" % (exceptionType, exceptionMessage))
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107
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108 # now add the call stack, most recent call first
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109 for fn, ln in stackTrace:
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110 excitm = QTreeWidgetItem(itm)
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111 excitm.setText(0, "%s, %d" % (fn, ln))
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112
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113 def debuggingStarted(self):
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114 """
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115 Public slot to clear the listview upon starting a new debugging session.
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116 """
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117 self.clear()
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118
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119 def __openSource(self):
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120 """
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121 Private slot to handle a double click on an entry.
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122 """
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123 itm = self.currentItem()
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124
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125 if itm.parent() is None:
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126 return
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127
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128 entry = itm.text(0)
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129 entryList = entry.split(",")
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130 try:
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131 self.emit(SIGNAL('sourceFile'), entryList[0], int(entryList[1]))
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132 except (IndexError, ValueError):
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133 pass
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134
de9c2efb9d02 Started porting eric4 to Python3
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135 def __configure(self):
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136 """
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137 Private method to open the configuration dialog.
de9c2efb9d02 Started porting eric4 to Python3
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138 """
de9c2efb9d02 Started porting eric4 to Python3
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139 e4App().getObject("UserInterface").showPreferences("debuggerGeneralPage")

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