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From: Louise Kilheeney <louise.kilheeney@intel.com>
To: dev@dpdk.org
Cc: robin.jarry@6wind.com, anatoly.burakov@intel.com,
 bruce.richardson@intel.com, Louise Kilheeney <louise.kilheeney@intel.com>
Date: Thu,  2 Jul 2020 11:37:05 +0100
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Subject: [dpdk-dev] [PATCH v3 2/9] usertools/dpdk-devbind: support python3
	only
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Changed script to explicitly use python3 only to avoid
maintaining python 2.

Signed-off-by: Louise Kilheeney <louise.kilheeney@intel.com>
Reviewed-by: Anatoly Burakov <anatoly.burakov@intel.com>

---
v3: removed extra white space
v2: removed check_output function as not required for python3.
---
 usertools/dpdk-devbind.py | 17 ++++-------------
 1 file changed, 4 insertions(+), 13 deletions(-)

diff --git a/usertools/dpdk-devbind.py b/usertools/dpdk-devbind.py
index dc008823f..3e7d525e8 100755
--- a/usertools/dpdk-devbind.py
+++ b/usertools/dpdk-devbind.py
@@ -1,9 +1,8 @@
-#! /usr/bin/env python
+#!/usr/bin/env python3
 # SPDX-License-Identifier: BSD-3-Clause
 # Copyright(c) 2010-2014 Intel Corporation
 #
 
-from __future__ import print_function
 import sys
 import os
 import getopt
@@ -143,14 +142,6 @@ def usage():
 
     """ % locals())  # replace items from local variables
 
-
-# This is roughly compatible with check_output function in subprocess module
-# which is only available in python 2.7.
-def check_output(args, stderr=None):
-    '''Run a command and capture its output'''
-    return subprocess.Popen(args, stdout=subprocess.PIPE,
-                            stderr=stderr).communicate()[0]
-
 # check if a specific kernel module is loaded
 def module_is_loaded(module):
     global loaded_modules
@@ -207,7 +198,7 @@ def get_pci_device_details(dev_id, probe_lspci):
     device = {}
 
     if probe_lspci:
-        extra_info = check_output(["lspci", "-vmmks", dev_id]).splitlines()
+        extra_info = subprocess.check_output(["lspci", "-vmmks", dev_id]).splitlines()
 
         # parse lspci details
         for line in extra_info:
@@ -244,7 +235,7 @@ def get_device_details(devices_type):
     # first loop through and read details for all devices
     # request machine readable format, with numeric IDs and String
     dev = {}
-    dev_lines = check_output(["lspci", "-Dvmmnnk"]).splitlines()
+    dev_lines = subprocess.check_output(["lspci", "-Dvmmnnk"]).splitlines()
     for dev_line in dev_lines:
         if len(dev_line) == 0:
             if device_type_match(dev, devices_type):
@@ -272,7 +263,7 @@ def get_device_details(devices_type):
         # check what is the interface if any for an ssh connection if
         # any to this host, so we can mark it later.
         ssh_if = []
-        route = check_output(["ip", "-o", "route"])
+        route = subprocess.check_output(["ip", "-o", "route"])
         # filter out all lines for 169.254 routes
         route = "\n".join(filter(lambda ln: not ln.startswith("169.254"),
                              route.decode().splitlines()))
-- 
2.17.1