Python QtKernelManager.start_kernel方法代码示例

# 需要导入模块: from IPython.frontend.qt.kernelmanager import QtKernelManager [as 别名]
# 或者: from IPython.frontend.qt.kernelmanager.QtKernelManager import start_kernel [as 别名]
class MainWin(QMainWindow):
  def __init__(self):
    QMainWindow.__init__(self)
    self.resize(1000,1000)

    self.kernel = QtKernelManager()
    self.kernel.start_kernel()
    self.kernel.start_channels()

    self.console = IPythonWidget()
    self.console.kernel_manager = self.kernel
    self.setCentralWidget(self.console)

# 需要导入模块: from IPython.frontend.qt.kernelmanager import QtKernelManager [as 别名]
# 或者: from IPython.frontend.qt.kernelmanager.QtKernelManager import start_kernel [as 别名]
class IPythonConsole(QDockWidget):
    def __init__(self, parent=None):
        QDockWidget.__init__(self, parent)
        self.setObjectName("IPython Console")
        self.setWindowTitle(QCoreApplication.translate("IPython Console", "IPython Console"))
        self.setAllowedAreas(Qt.BottomDockWidgetArea)

        self.container = QWidget()
        self.layout = QVBoxLayout(self.container)

        self.kernel_manager = QtKernelManager()
        self.kernel_manager.start_kernel()
        self.kernel_manager.start_channels()

        self.console = IPythonWidget(local_kernel=LOCALHOST)
        self.console.kernel_manager = self.kernel_manager
        print dir(self.console)

        self.layout.addWidget(self.console)
        self.setWidget(self.container)

# 需要导入模块: from IPython.frontend.qt.kernelmanager import QtKernelManager [as 别名]
# 或者: from IPython.frontend.qt.kernelmanager.QtKernelManager import start_kernel [as 别名]
class console(QWidget):

	"""A QWidget that serves as a debug window"""

	def __init__(self, parent=None):

		QDialog.__init__(self, parent)

		self.main_window = parent
		self.kernel_manager = QtKernelManager()
		self.kernel_manager.start_kernel()
		self.kernel_manager.start_channels()
		self.console = IPythonWidget(local_kernel=LOCALHOST)
		self.console.kernel_manager = self.kernel_manager
		self.verticalLayout = QVBoxLayout(self)
		self.verticalLayout.setContentsMargins(0,0,0,0)
		self.setLayout(self.verticalLayout)
		self.verticalLayout.addWidget(self.console)

	def setReadOnly(self, state):

		"""
		Dummy function

		Arguments:
		state -- dummy argument
		"""

		pass

	def clear(self):

		"""Clears the console"""

		self.console.reset()

	def show_prompt(self):

		"""Shows a new prompt"""

		self.console._show_interpreter_prompt()

# 需要导入模块: from IPython.frontend.qt.kernelmanager import QtKernelManager [as 别名]
# 或者: from IPython.frontend.qt.kernelmanager.QtKernelManager import start_kernel [as 别名]
 def new_frontend_master(self):
     """ Create and return new frontend attached to new kernel, launched on localhost.
     """
     ip = self.ip if self.ip in LOCAL_IPS else LOCALHOST
     kernel_manager = QtKernelManager(
                             ip=ip,
                             connection_file=self._new_connection_file(),
                             config=self.config,
     )
     # start the kernel
     kwargs = dict(ipython=not self.pure)
     kwargs['extra_arguments'] = self.kernel_argv
     kernel_manager.start_kernel(**kwargs)
     kernel_manager.start_channels()
     widget = self.widget_factory(config=self.config,
                                local_kernel=True)
     widget.kernel_manager = kernel_manager
     widget._existing = False
     widget._may_close = True
     widget._confirm_exit = self.confirm_exit
     return widget

# 需要导入模块: from IPython.frontend.qt.kernelmanager import QtKernelManager [as 别名]
# 或者: from IPython.frontend.qt.kernelmanager.QtKernelManager import start_kernel [as 别名]
def init_kernel_manager():
    # Don't let Qt or ZMQ swallow KeyboardInterupts.
    signal.signal(signal.SIGINT, signal.SIG_DFL)

    ip = '127.0.0.1'

    # Create a KernelManager and start a kernel.
    kernel_manager = QtKernelManager(
                            shell_address=(ip, 0),
                            sub_address=(ip, 0),
                            stdin_address=(ip, 0),
                            hb_address=(ip, 0)
                            #,
                            #config=self.config
    )
    # start the kernel
    kwargs = dict(ip='127.0.0.1', ipython=True)
    #kwargs['extra_arguments'] = self.kernel_argv
    kernel_manager.start_kernel(**kwargs)
    kernel_manager.start_channels()
    return kernel_manager

# 需要导入模块: from IPython.frontend.qt.kernelmanager import QtKernelManager [as 别名]
# 或者: from IPython.frontend.qt.kernelmanager.QtKernelManager import start_kernel [as 别名]
 def setupKernelManager(self):
     kernelManager = None
     try:
         from IPython.frontend.qt.kernelmanager import QtKernelManager
         kernelManager = QtKernelManager()
         kernelManager.start_kernel()
         kernelManager.start_channels()
         if hasattr(kernelManager, "connection_file"):
             ipconnection = kernelManager.connection_file
         else:
             shell_port = kernelManager.shell_address[1]
             iopub_port = kernelManager.sub_address[1]
             stdin_port = kernelManager.stdin_address[1]
             hb_port = kernelManager.hb_address[1]
             ipconnection = "--shell={0} --iopub={1} --stdin={2} --hb={3}".format(shell_port, iopub_port, stdin_port, hb_port)
         self.supportManager.updateEnvironment({ 
                 "PMX_IPYTHON_CONNECTION": ipconnection
         })
     except ImportError as e:
         self.logger.warn("Warning: %s" % e)
         kernelManager = None
     return kernelManager

# 需要导入模块: from IPython.frontend.qt.kernelmanager import QtKernelManager [as 别名]
# 或者: from IPython.frontend.qt.kernelmanager.QtKernelManager import start_kernel [as 别名]

#.........这里部分代码省略.........
        self.log.critical("--existing %s" % self.connection_file)
    
    def _new_connection_file(self):
        return os.path.join(self.profile_dir.security_dir, 'kernel-%s.json' % uuid.uuid4())

    def init_kernel_manager(self):
        # Don't let Qt or ZMQ swallow KeyboardInterupts.
        signal.signal(signal.SIGINT, signal.SIG_DFL)
        sec = self.profile_dir.security_dir
        try:
            cf = filefind(self.connection_file, ['.', sec])
        except IOError:
            # file might not exist
            if self.connection_file == os.path.basename(self.connection_file):
                # just shortname, put it in security dir
                cf = os.path.join(sec, self.connection_file)
            else:
                cf = self.connection_file

        # Create a KernelManager and start a kernel.
        self.kernel_manager = QtKernelManager(
                                ip=self.ip,
                                shell_port=self.shell_port,
                                iopub_port=self.iopub_port,
                                stdin_port=self.stdin_port,
                                hb_port=self.hb_port,
                                connection_file=cf,
                                config=self.config,
        )
        # start the kernel
        if not self.existing:
            kwargs = dict(ipython=not self.pure)
            kwargs['extra_arguments'] = self.kernel_argv
            self.kernel_manager.start_kernel(**kwargs)
        elif self.sshserver:
            # ssh, write new connection file
            self.kernel_manager.write_connection_file()
        self.kernel_manager.start_channels()

    def new_frontend_master(self):
        """ Create and return new frontend attached to new kernel, launched on localhost.
        """
        ip = self.ip if self.ip in LOCAL_IPS else LOCALHOST
        kernel_manager = QtKernelManager(
                                ip=ip,
                                connection_file=self._new_connection_file(),
                                config=self.config,
        )
        # start the kernel
        kwargs = dict(ipython=not self.pure)
        kwargs['extra_arguments'] = self.kernel_argv
        kernel_manager.start_kernel(**kwargs)
        kernel_manager.start_channels()
        widget = self.widget_factory(config=self.config,
                                   local_kernel=True)
        widget.kernel_manager = kernel_manager
        widget._existing = False
        widget._may_close = True
        widget._confirm_exit = self.confirm_exit
        return widget

    def new_frontend_slave(self, current_widget):
        """Create and return a new frontend attached to an existing kernel.
        
        Parameters
        ----------

# 需要导入模块: from IPython.frontend.qt.kernelmanager import QtKernelManager [as 别名]
# 或者: from IPython.frontend.qt.kernelmanager.QtKernelManager import start_kernel [as 别名]
class IPythonQtConsoleApp(BaseIPythonApplication):
    name = 'ipython-qtconsole'
    default_config_file_name='ipython_config.py'
    
    description = """
        The IPython QtConsole.
        
        This launches a Console-style application using Qt.  It is not a full
        console, in that launched terminal subprocesses will not.
        
        The QtConsole supports various extra features beyond the
        
    """
    
    classes = [IPKernelApp, IPythonWidget, ZMQInteractiveShell, ProfileDir, Session]
    flags = Dict(flags)
    aliases = Dict(aliases)

    kernel_argv = List(Unicode)

    # connection info:
    ip = Unicode(LOCALHOST, config=True,
        help="""Set the kernel\'s IP address [default localhost].
        If the IP address is something other than localhost, then
        Consoles on other machines will be able to connect
        to the Kernel, so be careful!"""
    )
    hb_port = Int(0, config=True,
        help="set the heartbeat port [default: random]")
    shell_port = Int(0, config=True,
        help="set the shell (XREP) port [default: random]")
    iopub_port = Int(0, config=True,
        help="set the iopub (PUB) port [default: random]")
    stdin_port = Int(0, config=True,
        help="set the stdin (XREQ) port [default: random]")

    existing = CBool(False, config=True,
        help="Whether to connect to an already running Kernel.")

    stylesheet = Unicode('', config=True,
        help="path to a custom CSS stylesheet")

    pure = CBool(False, config=True,
        help="Use a pure Python kernel instead of an IPython kernel.")
    plain = CBool(False, config=True,
        help="Use a plaintext widget instead of rich text (plain can't print/save).")

    def _pure_changed(self, name, old, new):
        kind = 'plain' if self.plain else 'rich'
        self.config.ConsoleWidget.kind = kind
        if self.pure:
            self.widget_factory = FrontendWidget
        elif self.plain:
            self.widget_factory = IPythonWidget
        else:
            self.widget_factory = RichIPythonWidget

    _plain_changed = _pure_changed

    confirm_exit = CBool(True, config=True,
        help="""
        Set to display confirmation dialog on exit. You can always use 'exit' or 'quit',
        to force a direct exit without any confirmation.""",
    )
    
    # the factory for creating a widget
    widget_factory = Any(RichIPythonWidget)

    def parse_command_line(self, argv=None):
        super(IPythonQtConsoleApp, self).parse_command_line(argv)
        if argv is None:
            argv = sys.argv[1:]

        self.kernel_argv = list(argv) # copy

        # scrub frontend-specific flags
        for a in argv:
            if a.startswith('--') and a[2:] in qt_flags:
                self.kernel_argv.remove(a)

    def init_kernel_manager(self):
        # Don't let Qt or ZMQ swallow KeyboardInterupts.
        signal.signal(signal.SIGINT, signal.SIG_DFL)

        # Create a KernelManager and start a kernel.
        self.kernel_manager = QtKernelManager(
                                shell_address=(self.ip, self.shell_port),
                                sub_address=(self.ip, self.iopub_port),
                                stdin_address=(self.ip, self.stdin_port),
                                hb_address=(self.ip, self.hb_port),
                                config=self.config
        )
        # start the kernel
        if not self.existing:
            kwargs = dict(ip=self.ip, ipython=not self.pure)
            kwargs['extra_arguments'] = self.kernel_argv
            self.kernel_manager.start_kernel(**kwargs)
        self.kernel_manager.start_channels()


#.........这里部分代码省略.........

# 需要导入模块: from IPython.frontend.qt.kernelmanager import QtKernelManager [as 别名]
# 或者: from IPython.frontend.qt.kernelmanager.QtKernelManager import start_kernel [as 别名]
def main():
    """ Entry point for application.
    """
    # Parse command line arguments.
    parser = ArgumentParser()
    kgroup = parser.add_argument_group('kernel options')
    kgroup.add_argument('-e', '--existing', action='store_true',
                        help='connect to an existing kernel')
    kgroup.add_argument('--ip', type=str, default=LOCALHOST,
                        help='set the kernel\'s IP address [default localhost]')
    kgroup.add_argument('--xreq', type=int, metavar='PORT', default=0,
                        help='set the XREQ channel port [default random]')
    kgroup.add_argument('--sub', type=int, metavar='PORT', default=0,
                        help='set the SUB channel port [default random]')
    kgroup.add_argument('--rep', type=int, metavar='PORT', default=0,
                        help='set the REP channel port [default random]')
    kgroup.add_argument('--hb', type=int, metavar='PORT', default=0,
                        help='set the heartbeat port [default: random]')

    egroup = kgroup.add_mutually_exclusive_group()
    egroup.add_argument('--pure', action='store_true', help = \
                        'use a pure Python kernel instead of an IPython kernel')
    egroup.add_argument('--pylab', type=str, metavar='GUI', nargs='?', 
                       const='auto', help = \
        "Pre-load matplotlib and numpy for interactive use. If GUI is not \
         given, the GUI backend is matplotlib's, otherwise use one of: \
         ['tk', 'gtk', 'qt', 'wx', 'inline'].")

    wgroup = parser.add_argument_group('widget options')
    wgroup.add_argument('--paging', type=str, default='inside',
                        choices = ['inside', 'hsplit', 'vsplit', 'none'],
                        help='set the paging style [default inside]')
    wgroup.add_argument('--rich', action='store_true',
                        help='enable rich text support')
    wgroup.add_argument('--gui-completion', action='store_true',
                        help='use a GUI widget for tab completion')

    args = parser.parse_args()

    # Don't let Qt or ZMQ swallow KeyboardInterupts.
    import signal
    signal.signal(signal.SIGINT, signal.SIG_DFL)

    # Create a KernelManager and start a kernel.
    kernel_manager = QtKernelManager(xreq_address=(args.ip, args.xreq),
                                     sub_address=(args.ip, args.sub),
                                     rep_address=(args.ip, args.rep),
                                     hb_address=(args.ip, args.hb))
    if args.ip == LOCALHOST and not args.existing:
        if args.pure:
            kernel_manager.start_kernel(ipython=False)
        elif args.pylab:
            kernel_manager.start_kernel(pylab=args.pylab)
        else:
            kernel_manager.start_kernel()
    kernel_manager.start_channels()

    # Create the widget.
    app = QtGui.QApplication([])
    if args.pure:
        kind = 'rich' if args.rich else 'plain'
        widget = FrontendWidget(kind=kind, paging=args.paging)
    elif args.rich or args.pylab:
        widget = RichIPythonWidget(paging=args.paging)
    else:
        widget = IPythonWidget(paging=args.paging)
    widget.gui_completion = args.gui_completion
    widget.kernel_manager = kernel_manager

    # Create the main window.
    window = MainWindow(app, widget, args.existing)
    window.setWindowTitle('Python' if args.pure else 'IPython')
    window.show()

    # Start the application main loop.
    app.exec_()

# 需要导入模块: from IPython.frontend.qt.kernelmanager import QtKernelManager [as 别名]
# 或者: from IPython.frontend.qt.kernelmanager.QtKernelManager import start_kernel [as 别名]
def main():
    """ Entry point for application.
    """
    # Parse command line arguments.
    parser = ArgumentParser()
    kgroup = parser.add_argument_group('kernel options')
    kgroup.add_argument('-e', '--existing', action='store_true',
                        help='connect to an existing kernel')
    kgroup.add_argument('--ip', type=str, default=LOCALHOST,
                        help=\
            "set the kernel\'s IP address [default localhost].\
            If the IP address is something other than localhost, then \
            Consoles on other machines will be able to connect\
            to the Kernel, so be careful!")
    kgroup.add_argument('--xreq', type=int, metavar='PORT', default=0,
                        help='set the XREQ channel port [default random]')
    kgroup.add_argument('--sub', type=int, metavar='PORT', default=0,
                        help='set the SUB channel port [default random]')
    kgroup.add_argument('--rep', type=int, metavar='PORT', default=0,
                        help='set the REP channel port [default random]')
    kgroup.add_argument('--hb', type=int, metavar='PORT', default=0,
                        help='set the heartbeat port [default random]')

    egroup = kgroup.add_mutually_exclusive_group()
    egroup.add_argument('--pure', action='store_true', help = \
                        'use a pure Python kernel instead of an IPython kernel')
    egroup.add_argument('--pylab', type=str, metavar='GUI', nargs='?', 
                       const='auto', help = \
        "Pre-load matplotlib and numpy for interactive use. If GUI is not \
         given, the GUI backend is matplotlib's, otherwise use one of: \
         ['tk', 'gtk', 'qt', 'wx', 'inline'].")

    wgroup = parser.add_argument_group('widget options')
    wgroup.add_argument('--paging', type=str, default='inside',
                        choices = ['inside', 'hsplit', 'vsplit', 'none'],
                        help='set the paging style [default inside]')
    wgroup.add_argument('--rich', action='store_true',
                        help='enable rich text support')
    wgroup.add_argument('--gui-completion', action='store_true',
                        help='use a GUI widget for tab completion')
    wgroup.add_argument('--style', type=str,
                        choices = list(get_all_styles()),
                        help='specify a pygments style for by name.')
    wgroup.add_argument('--stylesheet', type=str,
                        help="path to a custom CSS stylesheet.")
    wgroup.add_argument('--colors', type=str,
                        help="Set the color scheme (LightBG,Linux,NoColor). This is guessed\
                        based on the pygments style if not set.")

    args = parser.parse_args()

    # parse the colors arg down to current known labels
    if args.colors:
        colors=args.colors.lower()
        if colors in ('lightbg', 'light'):
            colors='lightbg'
        elif colors in ('dark', 'linux'):
            colors='linux'
        else:
            colors='nocolor'
    elif args.style:
        if args.style=='bw':
            colors='nocolor'
        elif styles.dark_style(args.style):
            colors='linux'
        else:
            colors='lightbg'
    else:
        colors=None

    # Don't let Qt or ZMQ swallow KeyboardInterupts.
    import signal
    signal.signal(signal.SIGINT, signal.SIG_DFL)

    # Create a KernelManager and start a kernel.
    kernel_manager = QtKernelManager(xreq_address=(args.ip, args.xreq),
                                     sub_address=(args.ip, args.sub),
                                     rep_address=(args.ip, args.rep),
                                     hb_address=(args.ip, args.hb))
    if not args.existing:
        # if not args.ip in LOCAL_IPS+ALL_ALIAS:
        #     raise ValueError("Must bind a local ip, such as: %s"%LOCAL_IPS)

        kwargs = dict(ip=args.ip)
        if args.pure:
            kwargs['ipython']=False
        else:
            kwargs['colors']=colors
            if args.pylab:
                kwargs['pylab']=args.pylab

        kernel_manager.start_kernel(**kwargs)
    kernel_manager.start_channels()

    local_kernel = (not args.existing) or args.ip in LOCAL_IPS
    # Create the widget.
    app = QtGui.QApplication([])
    if args.pure:
        kind = 'rich' if args.rich else 'plain'
        widget = FrontendWidget(kind=kind, paging=args.paging, local_kernel=local_kernel)
#.........这里部分代码省略.........

# 需要导入模块: from IPython.frontend.qt.kernelmanager import QtKernelManager [as 别名]
# 或者: from IPython.frontend.qt.kernelmanager.QtKernelManager import start_kernel [as 别名]

#.........这里部分代码省略.........
        
        lports = select_random_ports(4)
        rports = self.shell_port, self.iopub_port, self.stdin_port, self.hb_port
        self.shell_port, self.iopub_port, self.stdin_port, self.hb_port = lports
        
        remote_ip = self.ip
        self.ip = LOCALHOST
        self.log.info("Forwarding connections to %s via %s"%(remote_ip, self.sshserver))
        
        if tunnel.try_passwordless_ssh(self.sshserver, self.sshkey):
            password=False
        else:
            password = getpass("SSH Password for %s: "%self.sshserver)
        
        for lp,rp in zip(lports, rports):
            tunnel.ssh_tunnel(lp, rp, self.sshserver, remote_ip, self.sshkey, password)
        
    def init_kernel_manager(self):
        # Don't let Qt or ZMQ swallow KeyboardInterupts.
        signal.signal(signal.SIGINT, signal.SIG_DFL)

        # Create a KernelManager and start a kernel.
        self.kernel_manager = QtKernelManager(
                                shell_address=(self.ip, self.shell_port),
                                sub_address=(self.ip, self.iopub_port),
                                stdin_address=(self.ip, self.stdin_port),
                                hb_address=(self.ip, self.hb_port),
                                config=self.config
        )
        # start the kernel
        if not self.existing:
            kwargs = dict(ip=self.ip, ipython=not self.pure)
            kwargs['extra_arguments'] = self.kernel_argv
            self.kernel_manager.start_kernel(**kwargs)
        self.kernel_manager.start_channels()


    def init_qt_elements(self):
        # Create the widget.
        self.app = QtGui.QApplication([])
        local_kernel = (not self.existing) or self.ip in LOCAL_IPS
        self.widget = self.widget_factory(config=self.config,
                                        local_kernel=local_kernel)
        self.widget.kernel_manager = self.kernel_manager
        self.window = MainWindow(self.app, self.widget, self.existing,
                                may_close=local_kernel,
                                confirm_exit=self.confirm_exit)
        self.window.setWindowTitle('Python' if self.pure else 'IPython')

    def init_colors(self):
        """Configure the coloring of the widget"""
        # Note: This will be dramatically simplified when colors
        # are removed from the backend.

        if self.pure:
            # only IPythonWidget supports styling
            return

        # parse the colors arg down to current known labels
        try:
            colors = self.config.ZMQInteractiveShell.colors
        except AttributeError:
            colors = None
        try:
            style = self.config.IPythonWidget.colors
        except AttributeError: