Subclass exit autocallable for two process shells, with argument to keep kernel alive.

IPython/core/autocall.py

@@ -56,3 +56,16 b' class ExitAutocall(IPyAutocall):'
     
     def __call__(self):
         self._ip.ask_exit()
+        
+class ZMQExitAutocall(ExitAutocall):
+    """Exit IPython. Autocallable, so it needn't be explicitly called.
+    
+    Parameters
+    ----------
+    keep_kernel : bool
+      If True, leave the kernel alive. Otherwise, tell the kernel to exit too
+      (default).
+    """
+    def __call__(self, keep_kernel=False):
+        self._ip.keepkernel_on_exit = keep_kernel
+        self._ip.ask_exit()

IPython/core/interactiveshell.py

@@ -199,6 +199,9 b' class InteractiveShell(Configurable, Magic):'
     display_pub_class = Type(DisplayPublisher)
 
     exit_now = CBool(False)
+    exiter = Instance(ExitAutocall)
+    def _exiter_default(self):
+        return ExitAutocall(self)
     # Monotonically increasing execution counter
     execution_count = Int(1)
     filename = Unicode("<ipython console>")
@@ -1025,9 +1028,8 b' class InteractiveShell(Configurable, Magic):'
         # Store myself as the public api!!!
         ns['get_ipython'] = self.get_ipython
         
-        exiter = ExitAutocall(self)
         for n in ['exit', 'Exit', 'quit', 'Quit']:
-            ns[n] = exiter
+            ns[n] = self.exiter
 
         # Sync what we've added so far to user_ns_hidden so these aren't seen
         # by %who

IPython/zmq/zmqshell.py

@@ -24,6 +24,7 b' from IPython.core.interactiveshell import ('
     InteractiveShell, InteractiveShellABC
 )
 from IPython.core import page
+from IPython.core.autocall import ZMQExitAutocall
 from IPython.core.displayhook import DisplayHook
 from IPython.core.displaypub import DisplayPublisher
 from IPython.core.macro import Macro
@@ -105,6 +106,10 b' class ZMQInteractiveShell(InteractiveShell):'
     displayhook_class = Type(ZMQDisplayHook)
     display_pub_class = Type(ZMQDisplayPublisher)
 
+    exiter = Instance(ZMQExitAutocall)
+    def _exiter_default(self):
+        return ZMQExitAutocall(self)
+
     keepkernel_on_exit = None
 
     def init_environment(self):
@@ -593,15 +598,4 b' class ZMQInteractiveShell(InteractiveShell):'
         )
         self.payload_manager.write_payload(payload)
         
-    def magic_Exit(self, parameter_s=''):
-        """Exit IPython. If the -k option is provided, the kernel will be left
-        running. Otherwise, it will shutdown without prompting.
-        """
-        opts,args = self.parse_options(parameter_s,'k')
-        self.shell.keepkernel_on_exit = opts.has_key('k')
-        self.shell.ask_exit()
-
-    # Add aliases as magics so all common forms work: exit, quit, Exit, Quit.
-    magic_exit = magic_quit = magic_Quit = magic_Exit
-
 InteractiveShellABC.register(ZMQInteractiveShell)