Don't blend kernel and frontend CLI args

kernel args can be passed after `--`:

    ipython qtconsole -- --matplotlib inline

    ipython qtconsole --kernel julia -- --some-julia-flag

IPython/consoleapp.py

@@ -18,20 +18,13 b' from IPython.config.application import boolean_flag'
 from IPython.core.profiledir import ProfileDir
 from IPython.kernel.blocking import BlockingKernelClient
 from IPython.kernel import KernelManager
-from IPython.kernel import tunnel_to_kernel, find_connection_file, swallow_argv
+from IPython.kernel import tunnel_to_kernel, find_connection_file
 from IPython.kernel.kernelspec import NoSuchKernel
 from IPython.utils.path import filefind
 from IPython.utils.traitlets import (
     Dict, List, Unicode, CUnicode, CBool, Any
 )
-from IPython.kernel.zmq.kernelapp import (
-    kernel_flags,
-    kernel_aliases,
-    IPKernelApp
-)
-from IPython.kernel.zmq.pylab.config import InlineBackend
 from IPython.kernel.zmq.session import Session
-from IPython.kernel.zmq.zmqshell import ZMQInteractiveShell
 from IPython.kernel.connect import ConnectionFileMixin
 
 from IPython.utils.localinterfaces import localhost
@@ -40,7 +33,7 b' from IPython.utils.localinterfaces import localhost'
 # Aliases and Flags
 #-----------------------------------------------------------------------------
 
-flags = dict(kernel_flags)
+flags = {}
 
 # the flags that are specific to the frontend
 # these must be scrubbed before being passed to the kernel,
@@ -60,7 +53,7 b' app_flags.update(boolean_flag('
 ))
 flags.update(app_flags)
 
-aliases = dict(kernel_aliases)
+aliases = {}
 
 # also scrub aliases from the frontend
 app_aliases = dict(
@@ -140,19 +133,12 b' class IPythonConsoleApp(ConnectionFileMixin):'
         to force a direct exit without any confirmation.""",
     )
     
-    @property
-    def help_classes(self):
-        """ConsoleApps can configure kernels on the command-line
+    def build_kernel_argv(self, argv=None):
+        """build argv to be passed to kernel subprocess
         
-        But this shouldn't be written to a file
+        Override in subclasses if any args should be passed to the kernel
         """
-        return self.classes + [IPKernelApp] + IPKernelApp.classes
-    
-    def build_kernel_argv(self, argv=None):
-        """build argv to be passed to kernel subprocess"""
-        if argv is None:
-            argv = sys.argv[1:]
-        self.kernel_argv = swallow_argv(argv, self.frontend_aliases, self.frontend_flags)
+        self.kernel_argv = self.extra_args
     
     def init_connection_file(self):
         """find the connection file, and load the info if found.

IPython/terminal/ipapp.py

@@ -3,25 +3,10 b''
 """
 The :class:`~IPython.core.application.Application` object for the command
 line :command:`ipython` program.
-
-Authors
--------
-
-* Brian Granger
-* Fernando Perez
-* Min Ragan-Kelley
 """
 
-#-----------------------------------------------------------------------------
-#  Copyright (C) 2008-2011  The IPython Development Team
-#
-#  Distributed under the terms of the BSD License.  The full license is in
-#  the file COPYING, distributed as part of this software.
-#-----------------------------------------------------------------------------
-
-#-----------------------------------------------------------------------------
-# Imports
-#-----------------------------------------------------------------------------
+# Copyright (c) IPython Development Team.
+# Distributed under the terms of the Modified BSD License.
 
 from __future__ import absolute_import
 from __future__ import print_function

jupyter_console/app.py

@@ -2,17 +2,11 b''
 
 This is not a complete console app, as subprocess will not be able to receive
 input, there is no real readline support, among other limitations.
-
-Authors:
-
-* Min RK
-* Paul Ivanov
-
 """
 
-#-----------------------------------------------------------------------------
-# Imports
-#-----------------------------------------------------------------------------
+# Copyright (c) IPython Development Team.
+# Distributed under the terms of the Modified BSD License.
+
 import signal
 
 from IPython.terminal.ipapp import TerminalIPythonApp, frontend_flags as term_flags
@@ -99,9 +93,11 b' class ZMQTerminalIPythonApp(TerminalIPythonApp, IPythonConsoleApp):'
     
     subcommands = Dict()
 
+    force_interact = True
+
     def parse_command_line(self, argv=None):
         super(ZMQTerminalIPythonApp, self).parse_command_line(argv)
-        self.build_kernel_argv(argv)
+        self.build_kernel_argv(self.extra_args)
 
     def init_shell(self):
         IPythonConsoleApp.initialize(self)

jupyter_qtconsole/console/qtconsoleapp.py

@@ -7,11 +7,6 b' input, there is no real readline support, among other limitations.'
 # Copyright (c) IPython Development Team.
 # Distributed under the terms of the Modified BSD License. 
 
-#-----------------------------------------------------------------------------
-# Imports
-#-----------------------------------------------------------------------------
-
-# stdlib imports
 import os
 import signal
 import sys
@@ -46,10 +41,8 b" if os.name == 'nt':"
 
     sys.excepthook = gui_excepthook
 
-# System library imports
 from IPython.external.qt import QtCore, QtGui
 
-# Local imports
 from IPython.config.application import boolean_flag
 from IPython.config.application import catch_config_error
 from IPython.core.application import BaseIPythonApplication
@@ -191,7 +184,7 b' class IPythonQtConsoleApp(BaseIPythonApplication, IPythonConsoleApp):'
 
     def parse_command_line(self, argv=None):
         super(IPythonQtConsoleApp, self).parse_command_line(argv)
-        self.build_kernel_argv(argv)
+        self.build_kernel_argv(self.extra_args)
 
 
     def new_frontend_master(self):