Patch 543222. Disable script bindings in shell window.

Tools/idle/EditorWindow.py

@@ -95,6 +95,7 @@ class EditorWindow:
     about_text = about_text
 
     vars = {}
+    runnable = False    # Shell window cannot Import Module or Run Script
 
     def __init__(self, flist=None, filename=None, key=None, root=None):
         edconf = idleconf.getsection('EditorWindow')

Tools/idle/PyShell.py

@@ -76,6 +76,7 @@ class PyShellEditorWindow(EditorWindow):
 
     # Regular text edit window when a shell is present
     # XXX ought to merge with regular editor window
+    runnable = True  # Shell not present, enable Import Module and Run Script
 
     def __init__(self, *args):
         apply(EditorWindow.__init__, (self,) + args)

Tools/idle/ScriptBinding.py

@@ -51,6 +51,9 @@ class ScriptBinding:
     ]
 
     def __init__(self, editwin):
+        if not editwin.runnable:
+            self.menudefs = []
+            self.keydefs = {}        
         self.editwin = editwin
         # Provide instance variables referenced by Debugger
         # XXX This should be done differently