From: john.levon@sun.com
Subject: [PATCH] xm: allow non-existent readline module
Date: Tue, 11 Mar 2008 14:35:03 -0700
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# HG changeset patch
# User russell.blaine@sun.com
# Date 1187906168 25200
# Node ID 590f85503ec18fc4579b2951e018123bd2a22fc2
# Parent  f48c9e5711b1a198d7507738397489edaf42a594
xm: allow non-existent readline module

Let xm work even if Python doesn't have its readline module installed.

Signed-off-by: John Levon <john.levon@sun.com>

diff --git a/tools/python/xen/xm/main.py b/tools/python/xen/xm/main.py
--- a/tools/python/xen/xm/main.py
+++ b/tools/python/xen/xm/main.py
@@ -626,8 +626,11 @@ class Shell(cmd.Cmd):
 
     def preloop(self):
         cmd.Cmd.preloop(self)
-        import readline
-        readline.set_completer_delims(' ')
+        try:
+            import readline
+            readline.set_completer_delims(' ')
+        except ImportError:
+            pass
 
     def default(self, line):
         words = shlex.split(line)