Python inprocess.QtInProcessKernelManager类代码示例

    def __init__(self, *args, **kw):
        super(MantidIPythonWidget, self).__init__(*args, **kw)

        # Create an in-process kernel
        kernel_manager = QtInProcessKernelManager()
        kernel_manager.start_kernel()
        kernel = kernel_manager.kernel
        kernel.gui = 'qt4'

        # Figure out the full path to the mantidplotrc.py file and then %run it
        from os import path
        mantidplotpath = path.split(path.dirname(__file__))[0] # It's the directory above this one
        mantidplotrc = path.join(mantidplotpath, 'mantidplotrc.py')
        shell = kernel.shell
        shell.run_line_magic('run',mantidplotrc)

        # These 3 lines replace the run_code method of IPython's InteractiveShell class (of which the
        # shell variable is a derived instance) with our method defined above. The original method
        # is renamed so that we can call it from within the our_run_code method.
        f = shell.run_code
        shell.run_code = types.MethodType(our_run_code, shell)
        shell.ipython_run_code = f

        kernel_client = kernel_manager.client()
        kernel_client.start_channels()

        self.kernel_manager = kernel_manager
        self.kernel_client = kernel_client

def put_ipy(parent):
    kernel_manager = QtInProcessKernelManager()
    kernel_manager.start_kernel()
    kernel = kernel_manager.kernel
    kernel.gui = 'qt4'

    kernel_client = kernel_manager.client()
    kernel_client.start_channels()
    kernel_client.namespace  = parent
    
    #kernel.execute_request("a=1",0, {'silent': False})

    def stop():
        kernel_client.stop_channels()
        kernel_manager.shutdown_kernel()

    layout = _gui.QVBoxLayout(parent)
    widget = RichIPythonWidget(parent=parent)
    layout.addWidget(widget)
    widget.kernel_manager = kernel_manager
    widget.kernel_client = kernel_client
    widget.exit_requested.connect(stop)
    ipython_widget = widget
    ipython_widget.show()
    kernel.shell.push({'widget':widget,'kernel':kernel, 'parent':parent})
    return {'widget':widget,'kernel':kernel}

    def __init__(self, *args, **kwargs):
        """
        Parameters
        ----------
        help_explorer: psyplot_gui.help_explorer.HelpExplorer or None
            A widget that can be used to show the documentation of an object
        ``*args, **kwargs``
            Any other keyword argument for the
            :class:`qtconsole.rich_jupyter_widget.RichJupyterWidget
        """
        kernel_manager = QtInProcessKernelManager()
        kernel_manager.start_kernel(show_banner=False)
        kernel = kernel_manager.kernel
        kernel.gui = 'qt4' if not with_qt5 else 'qt'

        kernel_client = kernel_manager.client()
        kernel_client.start_channels()

        self.help_explorer = kwargs.pop('help_explorer', None)

        super(ConsoleWidget, self).__init__(*args, **kwargs)

        self.intro_msg = dedents("""
        psyplot version: %s

        gui version: %s

        The console provides you the full access to the current project and
        plots.
        To make your life easier, the following modules have been imported

            - %s

        Furthermore, each time you change the selection or the content in the
        plot objects viewer, the `sp` (the selection) and `mp` (all arrays)
        variables in the console are adjusted. To disable this behaviour, set::

            >>> import psyplot_gui
            >>> psyplot_gui.rcParams['console.auto_set_mp'] = False
            >>> psyplot_gui.rcParams['console.auto_set_sp'] = False

        To inspect and object in the console and display it's documentation in
        the help explorer, type 'Ctrl + I' or a '?' after the object""") % (
                psyplot.__version__, psyplot_gui.__version__,
                '\n    - '.join('%s as %s' % t for t in modules2import))

        self.kernel_manager = kernel_manager
        self.kernel_client = kernel_client

        self.kernel_manager.kernel.shell.run_code(
            '\n'.join('import %s as %s' % t for t in modules2import))
        self.exit_requested.connect(QtCore.QCoreApplication.instance().quit)

        # we overwrite the short cut here because the 'Ctrl+S' shortcut is
        # reserved for mainwindows save action
        self.export_action.setShortcut(QKeySequence(
            'Ctrl+Alt+S', QKeySequence.NativeText))

        psy.Project.oncpchange.connect(self.update_mp)
        psy.Project.oncpchange.connect(self.update_sp)

def main():
    """Start kernel manager and client, create window, run app event loop"""
    app = guisupport.get_app_qt4()

    if INPROCESS:
        from qtconsole.inprocess import QtInProcessKernelManager
        km = QtInProcessKernelManager()
    else:
        from qtconsole.manager import QtKernelManager
        km = QtKernelManager()
    km.start_kernel()
    km.kernel.gui = 'qt4'
    kc = km.client()
    kc.start_channels()

    widget = RichJupyterWidget()
    widget.kernel_manager = km
    widget.kernel_client = kc
    if CLEANSHUTDOWN: # slow exit on CTRL+D
        def stop():
            kc.stop_channels()
            km.shutdown_kernel()
            app.exit()
        widget.exit_requested.connect(stop)
    else: # fast exit on CTRL+D
        widget.exit_requested.connect(app.quit)
    widget.show()
    guisupport.start_event_loop_qt4(app)

def main():
    """Start kernel manager and client, create window, run app event loop,
    auto execute some code in user namespace. A minimalist example is shown in
    qt_ip_test.py.

    NOTE: Make sure that the Qt v2 API is being used by IPython by running `export
    QT_API=pyqt` at the command line before running neuropy, or by adding it to `.bashrc`"""
    app = guisupport.get_app_qt4()

    if INPROCESS:
        from qtconsole.inprocess import QtInProcessKernelManager
        km = QtInProcessKernelManager()
    else:
        from qtconsole.manager import QtKernelManager
        km = QtKernelManager()
    km.start_kernel()
    km.kernel.gui = 'qt4'
    kc = km.client()
    kc.start_channels()

    nw = NeuropyWindow()
    ipw = nw.ipw
    config_ipw(ipw)
    ipw.kernel_manager = km
    ipw.kernel_client = kc
    ipw.exit_requested.connect(nw.stop)
    nw.show()

    # execute some code through the frontend (once the event loop is running).
    # The output appears in the IPythonWidget (ipw).
    do_later(ipw.execute, 'run -i %s' % 'startup.py', hidden=True)
    do_later(ipw.execute, 'run -i %s' % 'globals.py', hidden=True)
    #guisupport.start_event_loop_qt4(app) # doesn't seem to work in IPy 5.3.0
    app.exec_()

	def __init__(self, main_window):

		"""
		desc:
			Constructor.

		arguments:
			main_window:	The main window object.
		"""

		super(ipython_console, self).__init__(main_window)
		kernel_manager = QtInProcessKernelManager()
		kernel_manager.start_kernel()
		self.kernel = kernel_manager.kernel
		self.kernel.gui = 'qt4'
		self.kernel.shell.banner1 = ''
		kernel_client = kernel_manager.client()
		kernel_client.start_channels()
		self.control = RichIPythonWidget()
		self.control.banner = self.banner()
		self.control.kernel_manager = kernel_manager
		self.control.kernel_client = kernel_client
		self.verticalLayout = QtWidgets.QVBoxLayout(self)
		self.verticalLayout.setContentsMargins(0,0,0,0)
		self.setLayout(self.verticalLayout)
		self.verticalLayout.addWidget(self.control)

def in_process_console(console_class=RichIPythonWidget, **kwargs):
    """Create a console widget, connected to an in-process Kernel

    This only works on IPython v 0.13 and above

    Parameters
    ----------
    console_class : The class of the console widget to create
    kwargs : Extra variables to put into the namespace
    """

    km = QtInProcessKernelManager()
    km.start_kernel()

    kernel = km.kernel
    kernel.gui = 'qt4'

    client = km.client()
    client.start_channels()

    control = console_class()
    control.kernel_manager = km
    control.kernel_client = client
    control.shell = kernel.shell
    control.shell.user_ns.update(**kwargs)
    return control

    def __init__(self, client):
        QtWidgets.QWidget.__init__(self)
        self.client = client
        self.devices = {}

        # build layout
        layout = QtWidgets.QVBoxLayout(self)

        # tab widget for each connected device
        self.device_tabs = QtWidgets.QTabWidget()
        self.device_tabs.currentChanged.connect(self.onCurrentDeviceChanged)
        layout.addWidget(self.device_tabs)

        # ipython console for scripting
        kernel_manager = QtInProcessKernelManager()
        kernel_manager.start_kernel()
        kernel_client = kernel_manager.client()
        kernel_client.start_channels()
        self._console = RichIPythonWidget(font_size=9)
        self._console.kernel_manager = kernel_manager
        self._console.kernel_client = kernel_client
        layout.addWidget(self._console)

        # set device added and remove callbacks and connect
        client.deviceAdded.connect(self.addDevice)
        client.deviceRemoved.connect(self.removeDevice)
        client.connect()

        # push client and device map to console namespace
        dct = {"client": client, "devices": self.devices, "console": self._console}
        kernel_manager.kernel.shell.push(dct)

        self.resize(800, 500)
        self.setWindowTitle("Fpga Test Application")

def start_in_process_kernel():

    global kernel_manager, kernel_client

    kernel_manager = QtInProcessKernelManager()
    kernel_manager.start_kernel()

    kernel_client = kernel_manager.client()
    kernel_client.start_channels()

class EmbedIPython(RichIPythonWidget):
    def __init__(self, **kwarg):
        super(RichIPythonWidget, self).__init__()
        self.kernel_manager = QtInProcessKernelManager()
        self.kernel_manager.start_kernel()
        self.kernel = self.kernel_manager.kernel
        self.kernel.gui = 'qt4'
        self.kernel.shell.push(kwarg)
        self.kernel_client = self.kernel_manager.client()
        self.kernel_client.start_channels()

class IPythonConsole:
    def __init__(self, layout, sim, gui):
        # Create an in-process kernel
        # >>> print_process_id()
        # will print the same process ID as the main process
        self.kernel_manager = QtInProcessKernelManager()
        self.kernel_manager.start_kernel()
        self.kernel = self.kernel_manager.kernel
        self.kernel.gui = 'qt4'

        self.kernel.shell.write("Welcome to AO Sim!")

        config = sim.config
        #Pass some useful objects to the user
        usefulObjects = {    "sim" : sim,
                            "gui" : gui,
                            "config" : config,
                            "simConfig" : sim.config.sim,
                            "telConfig" : sim.config.tel,
                            "atmosConfig" : sim.config.atmos}

        for i in range(sim.config.sim.nGS):
            usefulObjects["wfs{}Config".format(i)] = sim.config.wfss[i]
        for i in range(sim.config.sim.nDM):
            usefulObjects["dm{}Config".format(i)] = sim.config.dms[i]
        for i in range(sim.config.sim.nSci):
            usefulObjects["sci{}Config".format(i)] = sim.config.scis[i]

        self.kernel.shell.push(usefulObjects)
        #kernel.shell.push({'foo': 43, 'print_process_id': print_process_id})

        self.kernel_client = self.kernel_manager.client()
        self.kernel_client.start_channels()


        control = RichIPythonWidget()
        control.kernel_manager = self.kernel_manager
        control.kernel_client = self.kernel_client
        control.exit_requested.connect(self.stop)
        layout.addWidget(control)

        self.kernel.shell.ex("")
        #control.show()

        #self.kernel.show
    def stop(self):
        self.kernel_client.stop_channels()
        self.kernel_manager.shutdown_kernel()

    def write(self,message):
        self.kernel.shell.write(message)
        self.kernel.shell.ex("")

    def __init__(self):
        RichJupyterWidget.__init__(self)
        # Create an in-process kernel
        kernel_manager = QtInProcessKernelManager()
        kernel_manager.start_kernel(show_banner=False)
        kernel = kernel_manager.kernel
        kernel.gui = 'qt4'

        kernel_client = kernel_manager.client()
        kernel_client.start_channels()

        self.kernel_manager = kernel_manager
        self.kernel_client = kernel_client

class IPythonConsole:
    def __init__(self, layout, sim, gui):
        # Create an in-process kernel

        self.kernel_manager = QtInProcessKernelManager()
        self.kernel_manager.start_kernel()
        self.kernel = self.kernel_manager.kernel

        self.kernel.shell.write("Welcome to AO Sim!\n")

        config = sim.config
        #Pass some useful objects to the user
        usefulObjects = {    "sim" : sim,
                            "gui" : gui,
                            "config" : config,
                            "simConfig" : sim.config.sim,
                            "telConfig" : sim.config.tel,
                            "atmosConfig" : sim.config.atmos,
                            "np" : numpy,
                            "plt" : pyplot}

        for i in range(sim.config.sim.nGS):
            usefulObjects["wfs{}Config".format(i)] = sim.config.wfss[i]
        for i in range(sim.config.sim.nDM):
            usefulObjects["dm{}Config".format(i)] = sim.config.dms[i]
        for i in range(sim.config.sim.nSci):
            usefulObjects["sci{}Config".format(i)] = sim.config.scis[i]

        self.kernel.shell.push(usefulObjects)

        self.kernel_client = self.kernel_manager.client()
        self.kernel_client.start_channels()


        control = RichIPythonWidget()
        control.kernel_manager = self.kernel_manager
        control.kernel_client = self.kernel_client
        control.exit_requested.connect(self.stop)
        layout.addWidget(control)

        self.kernel.shell.ex("")

    def stop(self):
        self.kernel_client.stop_channels()
        self.kernel_manager.shutdown_kernel()

    def write(self,message):
        self.kernel.shell.write(message)
        self.kernel.shell.ex("")

    def __init__(self, *args, **kwargs):
        """
        A constructor matching that of RichJupyterWidget
        :param args: Positional arguments passed directly to RichJupyterWidget
        :param kwargs: Keyword arguments. The following keywords are understood by this widget:

          - banner: Replace the default banner with this text
          - startup_code: A code snippet to run on startup. It is also added to the banner to inform the user.

        the rest are passed to RichJupyterWidget
        """
        banner = kwargs.pop("banner", "")
        startup_code = kwargs.pop("startup_code", "")
        super(InProcessJupyterConsole, self).__init__(*args, **kwargs)

        # adjust startup banner accordingly
        # newer ipython has banner1 & banner2 and not just banner
        two_ptr_banner = hasattr(self, 'banner1')
        if not banner:
            banner = self.banner1 if two_ptr_banner else self.banner
        if startup_code:
            banner += "\n" + \
                "The following code has been executed at startup:\n\n" + \
                startup_code
        if two_ptr_banner:
            self.banner1 = banner
            self.banner2 = ''
        else:
            self.banner = banner

        # create an in-process kernel
        kernel_manager = QtInProcessKernelManager()
        kernel_manager.start_kernel()
        kernel = kernel_manager.kernel
        kernel.gui = 'qt'

        # use a separate thread for execution
        shell = kernel.shell
        shell.run_code = async_wrapper(shell.run_code, shell)

        # attach channels, start kenel and run any startup code
        kernel_client = kernel_manager.client()
        kernel_client.start_channels()
        if startup_code:
            shell.ex(startup_code)

        self.kernel_manager = kernel_manager
        self.kernel_client = kernel_client

def show():
    global ipython_widget  # Prevent from being garbage collected

    # Create an in-process kernel
    kernel_manager = QtInProcessKernelManager()
    kernel_manager.start_kernel(show_banner=False)
    kernel = kernel_manager.kernel
    kernel.gui = 'qt4'

    kernel_client = kernel_manager.client()
    kernel_client.start_channels()

    ipython_widget = RichJupyterWidget()
    ipython_widget.kernel_manager = kernel_manager
    ipython_widget.kernel_client = kernel_client
    ipython_widget.show()