Allow console to display any frame stack (even without an exception)
This commit is contained in:
Luke Campagnola
parent
8d730f07d9
commit
0517665473
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@ -53,6 +53,7 @@ class ConsoleWidget(QtGui.QWidget):
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self.editor = editor
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self.multiline = None
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self.inCmd = False
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self.frames = [] # stack frames to access when an item in the stack list is selected
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self.ui = template.Ui_Form()
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self.ui.setupUi(self)
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@ -133,14 +134,14 @@ class ConsoleWidget(QtGui.QWidget):
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def globals(self):
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frame = self.currentFrame()
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if frame is not None and self.ui.runSelectedFrameCheck.isChecked():
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return self.currentFrame().tb_frame.f_globals
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return self.currentFrame().f_globals
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else:
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return self.localNamespace
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def locals(self):
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frame = self.currentFrame()
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if frame is not None and self.ui.runSelectedFrameCheck.isChecked():
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return self.currentFrame().tb_frame.f_locals
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return self.currentFrame().f_locals
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else:
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return self.localNamespace
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@ -149,10 +150,7 @@ class ConsoleWidget(QtGui.QWidget):
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if self.currentTraceback is None:
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return None
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index = self.ui.exceptionStackList.currentRow()
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tb = self.currentTraceback
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for i in range(index):
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tb = tb.tb_next
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return tb
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return self.frames[index]
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def execSingle(self, cmd):
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try:
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@ -171,7 +169,6 @@ class ConsoleWidget(QtGui.QWidget):
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except:
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self.displayException()
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def execMulti(self, nextLine):
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#self.stdout.write(nextLine+"\n")
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if nextLine.strip() != '':
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@ -202,6 +199,10 @@ class ConsoleWidget(QtGui.QWidget):
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self.multiline = None
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def write(self, strn, html=False):
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isGuiThread = QtCore.QThread.currentThread() == QtCore.QCoreApplication.instance().thread()
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if not isGuiThread:
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self.stdout.write(strn)
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return
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self.output.moveCursor(QtGui.QTextCursor.End)
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if html:
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self.output.textCursor().insertHtml(strn)
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@ -293,14 +294,6 @@ class ConsoleWidget(QtGui.QWidget):
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fileName = tb.tb_frame.f_code.co_filename
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subprocess.Popen(self.editor.format(fileName=fileName, lineNum=lineNum), shell=True)
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#def allExceptionsHandler(self, *args):
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#self.exceptionHandler(*args)
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#def nextExceptionHandler(self, *args):
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#self.ui.catchNextExceptionBtn.setChecked(False)
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#self.exceptionHandler(*args)
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def updateSysTrace(self):
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## Install or uninstall sys.settrace handler
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@ -319,7 +312,7 @@ class ConsoleWidget(QtGui.QWidget):
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else:
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sys.settrace(self.systrace)
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def exceptionHandler(self, excType, exc, tb):
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def exceptionHandler(self, excType, exc, tb, systrace=False):
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if self.ui.catchNextExceptionBtn.isChecked():
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self.ui.catchNextExceptionBtn.setChecked(False)
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elif not self.ui.catchAllExceptionsBtn.isChecked():
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@ -330,13 +323,60 @@ class ConsoleWidget(QtGui.QWidget):
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excMessage = ''.join(traceback.format_exception_only(excType, exc))
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self.ui.exceptionInfoLabel.setText(excMessage)
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if systrace:
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# exceptions caught using systrace don't need the usual
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# call stack + traceback handling
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self.setStack(sys._getframe().f_back.f_back)
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else:
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self.setStack(frame=sys._getframe().f_back, tb=tb)
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def setStack(self, frame=None, tb=None):
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"""Display a call stack and exception traceback.
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This allows the user to probe the contents of any frame in the given stack.
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*frame* may either be a Frame instance or None, in which case the current
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frame is retrieved from ``sys._getframe()``.
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If *tb* is provided then the frames in the traceback will be appended to
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the end of the stack list. If *tb* is None, then sys.exc_info() will
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be checked instead.
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"""
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if frame is None:
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frame = sys._getframe().f_back
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if tb is None:
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tb = sys.exc_info()[2]
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self.ui.exceptionStackList.clear()
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self.frames = []
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# Build stack up to this point
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for index, line in enumerate(traceback.extract_stack(frame)):
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self.ui.exceptionStackList.addItem('File "%s", line %s, in %s()\n %s' % line)
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while frame is not None:
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self.frames.insert(0, frame)
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frame = frame.f_back
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if tb is None:
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return
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self.ui.exceptionStackList.addItem('-- exception caught here: --')
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item = self.ui.exceptionStackList.item(self.ui.exceptionStackList.count()-1)
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item.setBackground(QtGui.QBrush(QtGui.QColor(200, 200, 200)))
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self.frames.append(None)
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# And finish the rest of the stack up to the exception
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for index, line in enumerate(traceback.extract_tb(tb)):
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self.ui.exceptionStackList.addItem('File "%s", line %s, in %s()\n %s' % line)
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while tb is not None:
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self.frames.append(tb.tb_frame)
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tb = tb.tb_next
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def systrace(self, frame, event, arg):
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if event == 'exception' and self.checkException(*arg):
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self.exceptionHandler(*arg)
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self.exceptionHandler(*arg, systrace=True)
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return self.systrace
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def checkException(self, excType, exc, tb):
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@ -86,7 +86,10 @@
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<property name="bottomMargin">
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<number>0</number>
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</property>
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<property name="spacing">
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<property name="horizontalSpacing">
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<number>2</number>
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</property>
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<property name="verticalSpacing">
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<number>0</number>
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</property>
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<item row="0" column="6">
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@ -95,7 +98,7 @@
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<bool>false</bool>
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</property>
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<property name="text">
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<string>Clear Exception</string>
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<string>Clear Stack</string>
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</property>
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</widget>
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</item>
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@ -149,7 +152,7 @@
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<item row="1" column="0" colspan="7">
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<widget class="QLabel" name="exceptionInfoLabel">
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<property name="text">
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<string>Exception Info</string>
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<string>Stack Trace</string>
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</property>
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</widget>
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</item>
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@ -2,7 +2,7 @@
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# Form implementation generated from reading ui file 'template.ui'
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#
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# Created: Fri May 02 18:55:28 2014
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# Created: Wed Apr 08 16:28:53 2015
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# by: PyQt4 UI code generator 4.10.4
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#
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# WARNING! All changes made in this file will be lost!
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@ -68,8 +68,9 @@ class Ui_Form(object):
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self.exceptionGroup = QtGui.QGroupBox(self.splitter)
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self.exceptionGroup.setObjectName(_fromUtf8("exceptionGroup"))
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self.gridLayout_2 = QtGui.QGridLayout(self.exceptionGroup)
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self.gridLayout_2.setSpacing(0)
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self.gridLayout_2.setContentsMargins(-1, 0, -1, 0)
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self.gridLayout_2.setHorizontalSpacing(2)
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self.gridLayout_2.setVerticalSpacing(0)
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self.gridLayout_2.setObjectName(_fromUtf8("gridLayout_2"))
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self.clearExceptionBtn = QtGui.QPushButton(self.exceptionGroup)
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self.clearExceptionBtn.setEnabled(False)
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@ -116,12 +117,12 @@ class Ui_Form(object):
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self.historyBtn.setText(_translate("Form", "History..", None))
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self.exceptionBtn.setText(_translate("Form", "Exceptions..", None))
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self.exceptionGroup.setTitle(_translate("Form", "Exception Handling", None))
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self.clearExceptionBtn.setText(_translate("Form", "Clear Exception", None))
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self.clearExceptionBtn.setText(_translate("Form", "Clear Stack", None))
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self.catchAllExceptionsBtn.setText(_translate("Form", "Show All Exceptions", None))
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self.catchNextExceptionBtn.setText(_translate("Form", "Show Next Exception", None))
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self.onlyUncaughtCheck.setText(_translate("Form", "Only Uncaught Exceptions", None))
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self.runSelectedFrameCheck.setText(_translate("Form", "Run commands in selected stack frame", None))
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self.exceptionInfoLabel.setText(_translate("Form", "Exception Info", None))
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self.exceptionInfoLabel.setText(_translate("Form", "Stack Trace", None))
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self.label.setText(_translate("Form", "Filter (regex):", None))
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from .CmdInput import CmdInput
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@ -100,7 +100,7 @@ class Ui_Form(object):
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self.catchNextExceptionBtn.setText(QtGui.QApplication.translate("Form", "Show Next Exception", None, QtGui.QApplication.UnicodeUTF8))
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self.onlyUncaughtCheck.setText(QtGui.QApplication.translate("Form", "Only Uncaught Exceptions", None, QtGui.QApplication.UnicodeUTF8))
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self.runSelectedFrameCheck.setText(QtGui.QApplication.translate("Form", "Run commands in selected stack frame", None, QtGui.QApplication.UnicodeUTF8))
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self.exceptionInfoLabel.setText(QtGui.QApplication.translate("Form", "Exception Info", None, QtGui.QApplication.UnicodeUTF8))
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self.clearExceptionBtn.setText(QtGui.QApplication.translate("Form", "Clear Exception", None, QtGui.QApplication.UnicodeUTF8))
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self.exceptionInfoLabel.setText(QtGui.QApplication.translate("Form", "Stack Trace", None, QtGui.QApplication.UnicodeUTF8))
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self.clearExceptionBtn.setText(QtGui.QApplication.translate("Form", "Clear Stack", None, QtGui.QApplication.UnicodeUTF8))
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from .CmdInput import CmdInput
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