Module to manage pip packages

This new module provides methods to manage Python PIP packages from
a URL, from a local directory or from a build PIP package.

The implemented commands are:
- Install package.
- Remove package.
- List all installed packages in the system.

JIRA: YARDSTICK-910

Change-Id: I8f7d1b77c0c384b801cc6f5e67d8b45ce7c6bfdf
Signed-off-by: Rodolfo Alonso Hernandez <rodolfo.alonso.hernandez@intel.com>

1 files changed, 4 insertions, 4 deletions

diff --git a/yardstick/common/utils.py b/yardstick/common/utils.py
index 8604e900f..8d6d31efb 100644
--- a/yardstick/common/utils.py
+++ b/yardstick/common/utils.py
@@ -30,6 +30,7 @@ import six
 from flask import jsonify
 from six.moves import configparser
 from oslo_serialization import jsonutils
+from oslo_utils import encodeutils
 
 import yardstick
 
@@ -105,13 +106,12 @@ def remove_file(path):
             raise
 
 
-def execute_command(cmd):
+def execute_command(cmd, **kwargs):
     exec_msg = "Executing command: '%s'" % cmd
     logger.debug(exec_msg)
 
-    output = subprocess.check_output(cmd.split()).split(os.linesep)
-
-    return output
+    output = subprocess.check_output(cmd.split(), **kwargs)
+    return encodeutils.safe_decode(output, incoming='utf-8').split(os.linesep)
 
 
 def source_env(env_file):