[lnst] NetUtils: fix PEP8 issues

[Jiří Pírko]

commit 1b4783dcd8e28899b860963cacef1b1ec25f4ed5
Author: Peter V. Saveliev 
Date:   Thu Nov 20 16:04:43 2014 +0100

NetUtils: fix PEP8 issues

Having automated flake8 testing it is easier to catch some
    issues prior they will cause real bugs; but to be used
    with flake8, the code must be PEP8-compliant.

Signed-off-by: Peter V. Saveliev 
    Signed-off-by: Jiri Pirko

lnst/Common/NetUtils.py |   14 +++++++++++---
 1 files changed, 11 insertions(+), 3 deletions(-)
---
diff --git a/lnst/Common/NetUtils.py b/lnst/Common/NetUtils.py
index a578fb7..d9440ed 100644
--- a/lnst/Common/NetUtils.py
+++ b/lnst/Common/NetUtils.py
@@ -10,7 +10,6 @@ __author__ = """
 [e-mail] (Radek Pazdera)
 """

-import logging
 import os
 import re
 import socket
@@ -28,12 +27,14 @@ except ImportError:
     from pyroute2.iproute import RTM_NEWLINK
 from pyroute2.netlink.rtnl.ifinfmsg import ifinfmsg

+
 def normalize_hwaddr(hwaddr):
     try:
         return hwaddr.upper().rstrip("\n")
     except:
         return ""

+
 def scan_netdevs():
     scan = []
     nl_socket = IPRSocket()
@@ -45,7 +46,7 @@ def scan_netdevs():
     msg["header"]["sequence_number"] = 1
     msg.encode()

-    nl_socket.sendto(msg.buf.getvalue(), (0,0))
+    nl_socket.sendto(msg.buf.getvalue(), (0, 0))

finished = False
     while not finished:
@@ -71,6 +72,7 @@ def scan_netdevs():
     nl_socket.close()
     return scan

+
 def test_tcp_connection(host, port):
     try:
         s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
@@ -80,6 +82,7 @@ def test_tcp_connection(host, port):
     except:
         return False

+
 def verify_ip_address(addr):
     if len(addr.split('.')) != 4:
         return False
@@ -89,12 +92,14 @@ def verify_ip_address(addr):
     except:
         return False

+
 def verify_mac_address(addr):
     if re.match("^[0-9a-f]{2}([:][0-9a-f]{2}){5}$", addr, re.I):
         return True
     else:
         return False

+
 def get_corespond_local_ip(query_ip):
     """
     Get ip address in local system which can communicate with query_ip.
@@ -107,11 +112,12 @@ def get_corespond_local_ip(query_ip):
                           shell=True, stdout=subprocess.PIPE,
                           stderr=subprocess.STDOUT)
     ip = ip.communicate()[0]
-    ip = re.search(r"src ([0-9.]*)",ip)
+    ip = re.search(r"src ([0-9.]*)", ip)
     if ip is None:
         return ip
     return ip.group(1)

+
 class AddressPool:
     def __init__(self, start, end):
         self._next = self._addr_to_byte_string(start)
@@ -141,6 +147,7 @@ class AddressPool:

return addr_str

+
 class MacPool(AddressPool):
     def _addr_to_byte_string(self, addr):
         if not verify_mac_address(addr):
@@ -153,6 +160,7 @@ class MacPool(AddressPool):
     def _byte_string_to_addr(self, byte_string):
         return ':'.join(map(lambda x: "%02x" % x, byte_string))

+
 class IpPool(AddressPool):
     def _addr_to_byte_string(self, addr):
         if not verify_ip_address(addr):