utils.localinterfaces: Uniquify LOCAL_IPS

wking · wking · commit bb4531eaae32 · 2013-01-25T13:04:10.000-05:00
On my Python 3.2.3 system, I get:

  &gt;&gt;&gt; socket.gethostbyname_ex('localhost')
  ('localhost', [], ['127.0.0.1', '127.0.0.1'])

After de-duplicating, LOCAL_IPS[1] (if it exists) will be a non-local
IP address that might be useful to a remote host (it might also be
'0.0.0.0', but I'll worry about that later).
diff --git a/IPython/utils/localinterfaces.py b/IPython/utils/localinterfaces.py
@@ -19,6 +19,8 @@
 
 import socket
 
+from .data import uniq_stable
+
 #-----------------------------------------------------------------------------
 # Code
 #-----------------------------------------------------------------------------
@@ -37,4 +39,6 @@
 # include all-interface aliases: 0.0.0.0 and ''
 LOCAL_IPS.extend(['0.0.0.0', ''])
 
+LOCAL_IPS = uniq_stable(LOCAL_IPS)
+
 LOCALHOST = LOCAL_IPS[0]
