Method pqPythonShell

Qt/Python/pqPythonShell.cxx:218–254

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//-----------------------------------------------------------------------------
pqPythonShell::pqPythonShell(QWidget* parentObject, Qt::WindowFlags _flags)
  : Superclass(parentObject, _flags)
  , ConsoleWidget(nullptr)
  , Prompt(pqPythonShell::PS1())
  , Prompted(false)
  , Internals(new pqPythonShell::pqInternals(this))
{
  // The default preamble loads paraview.simple:
  if (pqPythonShell::Preamble.empty())
  {
    pqPythonShell::Preamble += "from paraview.simple import *";
  }

  Ui::PythonShell& ui = this->Internals->Ui;

  // install event filter to initialize Python on request.
  // we use queued connection so that the cursor ends up after the prompt.
  // Otherwise if user clicked for focus, the cursor will end up where ever the
  // user clicked.
  this->connect(
    ui.consoleWidget, SIGNAL(consoleFocusInEvent()), SLOT(initialize()), Qt::QueuedConnection);

  // Setup completer for the console widget.
  pqPythonShellCompleter* completer =
    new pqPythonShellCompleter(this, this->Internals->interpreter());
  ui.consoleWidget->setCompleter(completer);

  // Accept user input from the console and push it into the Python interpreter.
  this->connect(
    ui.consoleWidget, SIGNAL(executeCommand(const QString&)), SLOT(pushScript(const QString&)));

  this->Internals->interpreter()->AddObserver(
    vtkCommand::AnyEvent, this, &pqPythonShell::HandleInterpreterEvents);

  // show the prompt so user knows that there's a Python shell to use.
  this->prompt();
}

//-----------------------------------------------------------------------------
pqPythonShell::~pqPythonShell()