From f14eacb0378a5c2db9c6a1a3c64f47ff484a7f91 Mon Sep 17 00:00:00 2001
From: Mike Hiretsky <mh@calculate.ru>
Date: Thu, 23 Jun 2011 09:29:13 +0400
Subject: [PATCH] Discard interfaces which hasn't device.(lo,virtual).

---
 pym/utils/ip.py | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/pym/utils/ip.py b/pym/utils/ip.py
index bec371d..a1ec1be 100644
--- a/pym/utils/ip.py
+++ b/pym/utils/ip.py
@@ -179,6 +179,7 @@ def getRouteTable(onlyIface=[]):
             yield (network,dict(zip(routeParams[0::2],routeParams[1::2])))
 
 def getInterfaces():
-    """Get available interfaces"""
-    return filter(lambda x:x != "lo",
-           listDirectory('/sys/class/net'))
+    """Get available interfaces (discard which hasn't device)"""
+    sysNet = "/sys/class/net"
+    return filter(lambda x:path.exists(path.join(sysNet,x,"device")),
+           listDirectory(sysNet))