Mercurial Repositories > eric / file comparison
comparison: eric7/Debugger/ExceptionLogger.py
eric7/Debugger/ExceptionLogger.py
- branch
- eric7
- changeset 8312
- 800c432b34c8
- parent 8257
- 28146736bbfc
- child 8318
- 962bce857696
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| 8311:4e8b98454baa | 8312:800c432b34c8 |
|---|---|
| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2002 - 2021 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing the Exception Logger widget. | |
| 8 """ | |
| 9 | |
| 10 import contextlib | |
| 11 | |
| 12 from PyQt5.QtCore import pyqtSignal, Qt | |
| 13 from PyQt5.QtWidgets import QTreeWidget, QTreeWidgetItem, QMenu | |
| 14 | |
| 15 from E5Gui.E5Application import e5App | |
| 16 | |
| 17 | |
| 18 class ExceptionLogger(QTreeWidget): | |
| 19 """ | |
| 20 Class implementing the Exception Logger widget. | |
| 21 | |
| 22 This class displays a log of all exceptions having occured during | |
| 23 a debugging session. | |
| 24 | |
| 25 @signal sourceFile(string, int) emitted to open a source file at a line | |
| 26 """ | |
| 27 sourceFile = pyqtSignal(str, int) | |
| 28 | |
| 29 def __init__(self, parent=None): | |
| 30 """ | |
| 31 Constructor | |
| 32 | |
| 33 @param parent the parent widget of this widget | |
| 34 """ | |
| 35 super().__init__(parent) | |
| 36 self.setObjectName("ExceptionLogger") | |
| 37 | |
| 38 self.setWindowTitle(self.tr("Exceptions")) | |
| 39 | |
| 40 self.setWordWrap(True) | |
| 41 self.setRootIsDecorated(True) | |
| 42 self.setHeaderLabels([self.tr("Exception")]) | |
| 43 self.setSortingEnabled(False) | |
| 44 | |
| 45 self.setContextMenuPolicy(Qt.ContextMenuPolicy.CustomContextMenu) | |
| 46 self.customContextMenuRequested.connect(self.__showContextMenu) | |
| 47 self.itemDoubleClicked.connect(self.__itemDoubleClicked) | |
| 48 | |
| 49 self.setWhatsThis(self.tr( | |
| 50 """<b>Exceptions Logger</b>""" | |
| 51 """<p>This windows shows a trace of all exceptions, that have""" | |
| 52 """ occured during the last debugging session. Initially only""" | |
| 53 """ the exception type and exception message are shown. After""" | |
| 54 """ the expansion of this entry, the complete call stack as""" | |
| 55 """ reported by the client is show with the most recent call""" | |
| 56 """ first.</p>""" | |
| 57 )) | |
| 58 | |
| 59 self.menu = QMenu(self) | |
| 60 self.menu.addAction(self.tr("Show source"), self.__openSource) | |
| 61 self.menu.addAction(self.tr("Clear"), self.clear) | |
| 62 self.menu.addSeparator() | |
| 63 self.menu.addAction(self.tr("Configure..."), self.__configure) | |
| 64 | |
| 65 self.backMenu = QMenu(self) | |
| 66 self.backMenu.addAction(self.tr("Clear"), self.clear) | |
| 67 self.backMenu.addSeparator() | |
| 68 self.backMenu.addAction(self.tr("Configure..."), self.__configure) | |
| 69 | |
| 70 def __itemDoubleClicked(self, itm): | |
| 71 """ | |
| 72 Private slot to handle the double click of an item. | |
| 73 | |
| 74 @param itm the item that was double clicked(QTreeWidgetItem), ignored | |
| 75 """ | |
| 76 self.__openSource() | |
| 77 | |
| 78 def __showContextMenu(self, coord): | |
| 79 """ | |
| 80 Private slot to show the context menu of the listview. | |
| 81 | |
| 82 @param coord the global coordinates of the mouse pointer (QPoint) | |
| 83 """ | |
| 84 itm = self.itemAt(coord) | |
| 85 coord = self.mapToGlobal(coord) | |
| 86 if itm is None: | |
| 87 self.backMenu.popup(coord) | |
| 88 else: | |
| 89 self.menu.popup(coord) | |
| 90 | |
| 91 def addException(self, exceptionType, exceptionMessage, stackTrace, | |
| 92 debuggerId): | |
| 93 """ | |
| 94 Public slot to handle the arrival of a new exception. | |
| 95 | |
| 96 @param exceptionType type of exception raised | |
| 97 @type str | |
| 98 @param exceptionMessage message given by the exception | |
| 99 @type str | |
| 100 @param stackTrace list of stack entries | |
| 101 @type list | |
| 102 @param debuggerId ID of the debugger backend | |
| 103 @type str | |
| 104 """ | |
| 105 itm = QTreeWidgetItem(self) | |
| 106 if exceptionType is None: | |
| 107 itm.setText( | |
| 108 0, self.tr('{0}: An unhandled exception occured.' | |
| 109 ' See the shell window for details.') | |
| 110 .format(debuggerId)) | |
| 111 return | |
| 112 | |
| 113 text = ( | |
| 114 self.tr("{0}: {1}").format(debuggerId, exceptionType) | |
| 115 if not exceptionMessage else | |
| 116 self.tr("{0}: {1}, {2}").format(debuggerId, exceptionType, | |
| 117 exceptionMessage) | |
| 118 ) | |
| 119 | |
| 120 itm.setText(0, text) | |
| 121 itm.setToolTip(0, text) | |
| 122 | |
| 123 # now add the call stack, most recent call first | |
| 124 for entry in stackTrace: | |
| 125 excitm = QTreeWidgetItem(itm) | |
| 126 excitm.setText(0, "{0}, {1:d}".format(entry[0], entry[1])) | |
| 127 | |
| 128 def debuggingStarted(self): | |
| 129 """ | |
| 130 Public slot to clear the listview upon starting a new debugging | |
| 131 session. | |
| 132 """ | |
| 133 self.clear() | |
| 134 | |
| 135 def __openSource(self): | |
| 136 """ | |
| 137 Private slot to handle a double click on an entry. | |
| 138 """ | |
| 139 itm = self.currentItem() | |
| 140 | |
| 141 if itm.parent() is None: | |
| 142 return | |
| 143 | |
| 144 entry = itm.text(0) | |
| 145 entryList = entry.split(",") | |
| 146 with contextlib.suppress(IndexError, ValueError): | |
| 147 self.sourceFile.emit(entryList[0], int(entryList[1])) | |
| 148 | |
| 149 def __configure(self): | |
| 150 """ | |
| 151 Private method to open the configuration dialog. | |
| 152 """ | |
| 153 e5App().getObject("UserInterface").showPreferences( | |
| 154 "debuggerGeneralPage") |
