geo-rep: code pep8/flake8 fixes

pep8 is a style guide for python.
http://legacy.python.org/dev/peps/pep-0008/

pep8 can be installed using, `pip install pep8`

Usage: `pep8 <python file>`, For example, `pep8 master.py`
will display all the coding standard errors.

flake8 is used to identify unused imports and other issues
in code.

pip install flake8

cd $GLUSTER_REPO/geo-replication/
flake8 syncdaemon

Updated license headers to each source file.

Change-Id: I01c7d0a6091d21bfa48720e9fb5624b77fa3db4a
Signed-off-by: Aravinda VK <avishwan@redhat.com>
Reviewed-on: http://review.gluster.org/7311
Reviewed-by: Kotresh HR <khiremat@redhat.com>
Reviewed-by: Prashanth Pai <ppai@redhat.com>
Tested-by: Gluster Build System <jenkins@build.gluster.com>

1 files changed, 14 insertions, 2 deletions

diff --git a/geo-replication/syncdaemon/libcxattr.py b/geo-replication/syncdaemon/libcxattr.py
index b5b6956aea6..e6035e26b43 100644
--- a/geo-replication/syncdaemon/libcxattr.py
+++ b/geo-replication/syncdaemon/libcxattr.py
@@ -1,8 +1,20 @@
+#
+# Copyright (c) 2011-2014 Red Hat, Inc. <http://www.redhat.com>
+# This file is part of GlusterFS.
+
+# This file is licensed to you under your choice of the GNU Lesser
+# General Public License, version 3 or any later version (LGPLv3 or
+# later), or the GNU General Public License, version 2 (GPLv2), in all
+# cases as published by the Free Software Foundation.
+#
+
 import os
-from ctypes import *
+from ctypes import CDLL, c_int, create_string_buffer
 from ctypes.util import find_library
 
+
 class Xattr(object):
+
     """singleton that wraps the extended attribues system
        interface for python using ctypes
 
@@ -40,7 +52,7 @@ class Xattr(object):
 
     @classmethod
     def lgetxattr(cls, path, attr, siz=0):
-        return cls._query_xattr( path, siz, 'lgetxattr', attr)
+        return cls._query_xattr(path, siz, 'lgetxattr', attr)
 
     @classmethod
     def lgetxattr_buf(cls, path, attr):