Add --script flag as shorthand for the script autosave notebook option.

IPython/frontend/html/notebook/notebookapp.py

@@ -50,7 +50,7 b' from .handlers import (LoginHandler, LogoutHandler,'
     MainKernelHandler, KernelHandler, KernelActionHandler, IOPubHandler,
     ShellHandler, NotebookRootHandler, NotebookHandler, RSTHandler
 )
-from .notebookmanager import NotebookManager
+from .notebookmanager import NotebookManager, manager_flags
 
 from IPython.config.application import catch_config_error
 from IPython.core.application import BaseIPythonApplication
@@ -157,10 +157,12 b" flags['read-only'] = ("
     """
 )
 
+flags.update(manager_flags)
+
 # the flags that are specific to the frontend
 # these must be scrubbed before being passed to the kernel,
 # or it will raise an error on unrecognized flags
-notebook_flags = ['no-browser', 'no-mathjax', 'read-only']
+notebook_flags = ['no-browser', 'no-mathjax', 'read-only', 'script']
 
 aliases = dict(ipkernel_aliases)
 

IPython/frontend/html/notebook/notebookmanager.py

@@ -23,15 +23,22 b' import glob'
 
 from tornado import web
 
+from IPython.config.application import boolean_flag
 from IPython.config.configurable import LoggingConfigurable
 from IPython.nbformat import current
 from IPython.utils.traitlets import Unicode, List, Dict, Bool
 
-
 #-----------------------------------------------------------------------------
-# Code
+# Aliases and Flags
 #-----------------------------------------------------------------------------
 
+manager_flags =boolean_flag('script', 'NotebookManager.save_script',
+               'Auto-save a .py script everytime the .ipynb notebook is saved',
+               'Do not auto-save .py scripts for every notebook')
+
+#-----------------------------------------------------------------------------
+# Classes
+#-----------------------------------------------------------------------------
 
 class NotebookManager(LoggingConfigurable):
 
@@ -40,10 +47,12 b' class NotebookManager(LoggingConfigurable):'
     """)
     
     save_script = Bool(False, config=True,
-        help="""Also save notebooks as a Python script.
+        help="""Automaticall create a Python script when saving the notebook.
         
-        For easier use of import/%loadpy across notebooks, a <notebook-name>.py
-        script will be created next to any <notebook-name>.ipynb on each save.
+        For easier use of import, %run and %loadpy across notebooks, a
+        <notebook-name>.py script will be created next to any
+        <notebook-name>.ipynb on each save.  This can also be set with the
+        short `--script` flag.
         """
     )