From 848c0f5dfff84d7d76d719ded294a2854aab3722 2011-04-11 00:31:02
From: Thomas Kluyver <takowl@gmail.com>
Date: 2011-04-11 00:31:02
Subject: [PATCH] Suppress auto_rewrite of exit autocall.

---

diff --git a/IPython/core/autocall.py b/IPython/core/autocall.py
index d02e7ae..af3b532 100644
--- a/IPython/core/autocall.py
+++ b/IPython/core/autocall.py
@@ -36,6 +36,7 @@ class IPyAutocall(object):
     develop macro-like mechanisms.
     """
     _ip = None
+    rewrite = True
     def __init__(self, ip=None):
         self._ip = ip
     
@@ -51,6 +52,7 @@ class IPyAutocall(object):
 class ExitAutocall(IPyAutocall):
     """An autocallable object which will be added to the user namespace so that
     exit, exit(), quit or quit() are all valid ways to close the shell."""
+    rewrite = False
     
     def __call__(self):
         self._ip.ask_exit()
diff --git a/IPython/core/prefilter.py b/IPython/core/prefilter.py
index 7bae693..d138bea 100755
--- a/IPython/core/prefilter.py
+++ b/IPython/core/prefilter.py
@@ -894,7 +894,7 @@ class AutoHandler(PrefilterHandler):
             return line
 
         force_auto = isinstance(obj, IPyAutocall)
-        auto_rewrite = True
+        auto_rewrite = getattr(obj, 'rewrite', True)
         
         if pre == ESC_QUOTE:
             # Auto-quote splitting on whitespace