From 641206824e24b42a83b1455988efcfe491fd9969 2011-11-10 01:36:59
From: Thomas Kluyver <takowl@gmail.com>
Date: 2011-11-10 01:36:59
Subject: [PATCH] Do not expose variables defined at startup to %who etc.

Closes gh-697

---

diff --git a/IPython/core/shellapp.py b/IPython/core/shellapp.py
index 6549c24..83eccbe 100644
--- a/IPython/core/shellapp.py
+++ b/IPython/core/shellapp.py
@@ -180,6 +180,9 @@ class InteractiveShellApp(Configurable):
         self._run_exec_lines()
         self._run_exec_files()
         self._run_cmd_line_code()
+        
+        # Hide variables defined here from %who etc.
+        self.shell.user_ns_hidden.update(self.shell.user_ns)
 
     def _run_exec_lines(self):
         """Run lines of code in IPythonApp.exec_lines in the user's namespace."""