def __init__(self, textEdit, initialPrompt, locals = None):
"""Constructor.
The optional 'locals' argument specifies the dictionary in
which code will be executed; it defaults to a newly created
dictionary with key "__name__" set to "__console__" and key
"__doc__" set to None.
"""
super(Controller, self).__init__()
self.interpreter = Interpreter(textEdit, locals)
self.interpreter.locals['help'] = _Helper(self, self)
self.completer = _Completer(self.interpreter.locals)
# last line + last incomplete lines
self.lines = []
# flag: the interpreter needs more input to run the last lines.
self.more = 0
# history
self.history = []
self.historyPointer = None
self.historyInput = ''
# flag: readline() is being used for e.g. raw_input and input().
# We use a nested QEventloop here because we want to emulate
# modeless UI even though the readline protocol requires blocking calls.
self.readlineEventLoop = QtCore.QEventLoop(textEdit)
# interpreter prompt.
try:
sys.ps1
except AttributeError:
sys.ps1 = ">>> "
try:
sys.ps2
except AttributeError:
sys.ps2 = "... "
self.textEdit = textEdit
self.textEdit.destroyed.connect(self._TextEditDestroyedSlot)
self.textEdit.returnPressed.connect(self._ReturnPressedSlot)
self.textEdit.requestComplete.connect(self._CompleteSlot)
self.textEdit.requestNext.connect(self._NextSlot)
self.textEdit.requestPrev.connect(self._PrevSlot)
appInstance = QtWidgets.QApplication.instance()
appInstance.aboutToQuit.connect(self._QuitSlot)
self.textEdit.setTabChangesFocus(False)
self.textEdit.setWordWrapMode(QtGui.QTextOption.WrapAnywhere)
self.textEdit.setWindowTitle('Interpreter')
self.textEdit.promptLength = len(sys.ps1)
# Do initial auto-import.
self._DoAutoImports()
# interpreter banner
self.write('Python %s on %s.\n' % (sys.version, sys.platform))
# Run $PYTHONSTARTUP startup script.
startupFile = os.getenv('PYTHONSTARTUP')
if startupFile:
path = os.path.realpath(os.path.expanduser(startupFile))
if os.path.isfile(path):
self.ExecStartupFile(path)
self.write(initialPrompt)
self.write(sys.ps1)
self.SetInputStart()
