Test framework: StringIO fixes for Python3

Add 2/3 support to binarytomac and mactobinary and move to vpp_mac.py

Change-Id: I3dc7e4a24486aee22140c781aae7e44e58935877
Signed-off-by: Ole Troan <ot@cisco.com>

1 files changed, 12 insertions, 1 deletions

diff --git a/test/vpp_mac.py b/test/vpp_mac.py
index 787d77c58bd..b20bf54634c 100644
--- a/test/vpp_mac.py
+++ b/test/vpp_mac.py
@@ -2,8 +2,19 @@
   MAC Types
 
 """
+import binascii
 
-from util import mactobinary
+
+def mactobinary(mac):
+    """ Convert the : separated format into binary packet data for the API """
+    return binascii.unhexlify(mac.replace(':', ''))
+
+
+def binarytomac(binary):
+    """ Convert binary packed data in a : separated string """
+    x = b':'.join(binascii.hexlify(binary)[i:i + 2]
+                  for i in range(0, 12, 2))
+    return str(x.decode('ascii'))
 
 
 class VppMacAddress():