def setupController(self, logger, statusbar, progressbar):
controller = QtToolController(logger, parent=self)
controller.subprocess.started.connect(self.processingStarted)
controller.finished.connect(self.processingDone)
self.stopbutton.clicked.connect(controller.stop_tool)
return controller
def __init__(self, debug=False):
super(QtShell, self).__init__()
# Icon
self.setWindowIcon(
self.style().standardIcon(QtWidgets.QStyle.SP_ComputerIcon))
# Command box
self.cmdbox = QtWidgets.QComboBox()
self.cmdbox.setEditable(True)
self.cmdbox.addItem('')
self.cmdbox.setCurrentIndex(self.cmdbox.count() - 1)
# @TODO: complete
#self.entry.populate_popup.connect(self.on_populate_popup)
icon = self.style().standardIcon(QtWidgets.QStyle.SP_MediaPlay)
self.cmdbutton = QtWidgets.QPushButton(icon, 'Run')
self.cmdbutton.clicked.connect(self.execute)
lineedit = self.cmdbox.lineEdit()
lineedit.returnPressed.connect(self.cmdbutton.click)
hLayout = QtWidgets.QHBoxLayout()
hLayout.addWidget(QtWidgets.QLabel('cmd > '))
hLayout.addWidget(self.cmdbox, 1)
hLayout.addWidget(self.cmdbutton)
# Output pane
outputpane = QtOutputPane()
outputpane.setReadOnly(True)
outputpane.actions.removeAction(outputpane.actionHide)
vLayout = QtWidgets.QVBoxLayout()
vLayout.addLayout(hLayout)
vLayout.addWidget(outputpane)
# Main window
centralWidget = QtWidgets.QWidget()
centralWidget.setLayout(vLayout)
self.setCentralWidget(centralWidget)
self.quit_shortcut = QtWidgets.QShortcut(QtGui.QKeySequence.Quit, self)
self.eof_shortcut = QtWidgets.QShortcut(
QtGui.QKeySequence(QtCore.Qt.CTRL + QtCore.Qt.Key_D), self)
self.setWindowTitle('Qt Shell')
self.setGeometry(0, 0, 800, 600)
self.quit_shortcut.activated.connect(self.close)
self.eof_shortcut.activated.connect(self.close)
# Setup the log system
if debug:
level = logging.DEBUG
logging.basicConfig(level=level)
else:
level = logging.INFO
self.logger = logging.getLogger()
formatter = logging.Formatter('%(levelname)s: %(message)s')
handler = QtLoggingHandler(outputpane)
handler.setLevel(level)
handler.setFormatter(formatter)
self.logger.addHandler(handler)
formatter = logging.Formatter('%(message)s')
handler = QtDialogLoggingHandler(parent=self, dialog=None)
handler.setLevel(logging.WARNING)
handler.setFormatter(formatter)
self.logger.addHandler(handler)
self.logger.setLevel(level)
# Setup high level components and initialize the parent classes
handler = QtOutputHandler(self.logger, self.statusBar())
self.tool = exectools.ToolDescriptor('', stdout_handler=handler)
self.controller = QtToolController(self.logger, parent=self)
self.controller.finished.connect(lambda returncode: self.reset())
#self.shell = True
self._state = 'ready' # or maybe __state
self.logger.debug('qtshell session started at %s.' % time.asctime())
self.load_history()
class QtShell(QtWidgets.QMainWindow):
'''Qt interactive shell using tool controller.
:SLOTS:
* :meth:`execute`
'''
historyfile = 'history.txt'
def __init__(self, debug=False):
super(QtShell, self).__init__()
# Icon
self.setWindowIcon(
self.style().standardIcon(QtWidgets.QStyle.SP_ComputerIcon))
# Command box
self.cmdbox = QtWidgets.QComboBox()
self.cmdbox.setEditable(True)
self.cmdbox.addItem('')
self.cmdbox.setCurrentIndex(self.cmdbox.count() - 1)
# @TODO: complete
#self.entry.populate_popup.connect(self.on_populate_popup)
icon = self.style().standardIcon(QtWidgets.QStyle.SP_MediaPlay)
self.cmdbutton = QtWidgets.QPushButton(icon, 'Run')
self.cmdbutton.clicked.connect(self.execute)
lineedit = self.cmdbox.lineEdit()
lineedit.returnPressed.connect(self.cmdbutton.click)
hLayout = QtWidgets.QHBoxLayout()
hLayout.addWidget(QtWidgets.QLabel('cmd > '))
hLayout.addWidget(self.cmdbox, 1)
hLayout.addWidget(self.cmdbutton)
# Output pane
outputpane = QtOutputPane()
outputpane.setReadOnly(True)
outputpane.actions.removeAction(outputpane.actionHide)
vLayout = QtWidgets.QVBoxLayout()
vLayout.addLayout(hLayout)
vLayout.addWidget(outputpane)
# Main window
centralWidget = QtWidgets.QWidget()
centralWidget.setLayout(vLayout)
self.setCentralWidget(centralWidget)
self.quit_shortcut = QtWidgets.QShortcut(QtGui.QKeySequence.Quit, self)
self.eof_shortcut = QtWidgets.QShortcut(
QtGui.QKeySequence(QtCore.Qt.CTRL + QtCore.Qt.Key_D), self)
self.setWindowTitle('Qt Shell')
self.setGeometry(0, 0, 800, 600)
self.quit_shortcut.activated.connect(self.close)
self.eof_shortcut.activated.connect(self.close)
# Setup the log system
if debug:
level = logging.DEBUG
logging.basicConfig(level=level)
else:
level = logging.INFO
self.logger = logging.getLogger()
formatter = logging.Formatter('%(levelname)s: %(message)s')
handler = QtLoggingHandler(outputpane)
handler.setLevel(level)
handler.setFormatter(formatter)
self.logger.addHandler(handler)
formatter = logging.Formatter('%(message)s')
handler = QtDialogLoggingHandler(parent=self, dialog=None)
handler.setLevel(logging.WARNING)
handler.setFormatter(formatter)
self.logger.addHandler(handler)
self.logger.setLevel(level)
# Setup high level components and initialize the parent classes
handler = QtOutputHandler(self.logger, self.statusBar())
self.tool = exectools.ToolDescriptor('', stdout_handler=handler)
self.controller = QtToolController(self.logger, parent=self)
self.controller.finished.connect(lambda returncode: self.reset())
#self.shell = True
self._state = 'ready' # or maybe __state
self.logger.debug('qtshell session started at %s.' % time.asctime())
self.load_history()
def closeEvent(self, event):
try:
self.save_history()
finally:
self.logger.debug('qtshell session stopped at %s.' %
time.asctime())
event.accept() # @TODO: check
def load_history(self):
self.cmdbox.clear()
try:
for cmd in open(self.historyfile, 'r'):
self.cmdbox.addItem(cmd.rstrip())
self.logger.debug('history file "%s" loaded.' % self.historyfile)
except (OSError, IOError) as e:
self.logger.debug('unable to read the history file "%s": %s.' %
(self.historyfile, e))
self.cmdbox.addItem('')
self.cmdbox.setCurrentIndex(self.cmdbox.count() - 1)
def save_history(self):
try:
history = [
str(self.cmdbox.itemText(index))
for index in range(self.cmdbox.count())
]
history = '\n'.join(history)
f = open(self.historyfile, 'w')
f.write(history)
f.close()
self.logger.debug('history saved in %s' % self.historyfile)
except (OSError, IOError) as e:
self.logger.warning('unable to save the history file "%s": %s' %
(self.historyfile, e))
def _reset(self):
self.controller.reset()
# @TODO: use icons here
self.cmdbutton.setText('Run')
self.cmdbox.setEnabled(True)
try:
self.cmdbutton.clicked.disconnect(self.controller.stop_tool)
except TypeError:
# signal already disconnected
pass
else:
self.cmdbutton.clicked.connect(self.execute)
def reset(self):
self.state = 'ready'
@property
def state(self):
return self._state
@state.setter
def state(self, state):
if state == 'ready':
self._reset()
self.statusBar().showMessage('Ready') # , 2000) # ms
self.cmdbox.setFocus()
elif state == 'running':
self.cmdbox.setEnabled(False)
self.cmdbutton.setText('Stop')
self.cmdbutton.clicked.disconnect(self.execute)
self.cmdbutton.clicked.connect(self.controller.stop_tool)
self.statusBar().showMessage('Running ...') # , 2000) # ms
else:
raise ValueError('invalid status: "%s".' % state)
self._state = state
def get_command(self):
cmd = str(self.cmdbox.currentText())
if cmd:
count = self.cmdbox.count()
if self.cmdbox.currentIndex() != count - 1:
self.cmdbox.insertItem(count - 1, cmd)
else:
self.cmdbox.removeItem(count - 2)
self.cmdbox.addItem('')
self.cmdbox.setCurrentIndex(self.cmdbox.count() - 1)
return cmd
@QtCore.Slot()
def execute(self):
'''Execute the command line using the tool controller.
:C++ signature: `void execute()`
'''
cmd = self.get_command()
if cmd:
self.state = 'running'
try:
self.controller.run_tool(self.tool, cmd)
#~ raise RuntimeError('simulated runtime error')
except (KeyboardInterrupt, SystemExit):
raise
except Exception as e:
self.logger.exception(e)
self.reset()