import os from IPython.frontend.qt.console.rich_ipython_widget import RichIPythonWidget from IPython.frontend.qt.inprocess import QtInProcessKernelManager from IPython.lib import guisupport def print_process_id(): print 'Process ID is:', os.getpid() def main(): # Print the ID of the main process print_process_id() app = guisupport.get_app_qt4() # Create an in-process kernel # >>> print_process_id() # will print the same process ID as the main process kernel_manager = QtInProcessKernelManager() kernel_manager.start_kernel() kernel = kernel_manager.kernel kernel.gui = 'qt4' kernel.shell.push({'foo': 43, 'print_process_id': print_process_id}) kernel_client = kernel_manager.client() kernel_client.start_channels() def stop(): kernel_client.stop_channels() kernel_manager.shutdown_kernel() app.exit() control = RichIPythonWidget() control.kernel_manager = kernel_manager control.kernel_client = kernel_client control.exit_requested.connect(stop) control.show() guisupport.start_event_loop_qt4(app) if __name__ == '__main__': main()