1 files changed, 41 insertions, 0 deletions
diff --git a/cyborg_enhancement/mitaka_version/cyborg/cyborg/common/utils.py b/cyborg_enhancement/mitaka_version/cyborg/cyborg/common/utils.py
new file mode 100644
index 0000000..0b97327
--- /dev/null
+++ b/cyborg_enhancement/mitaka_version/cyborg/cyborg/common/utils.py
@@ -0,0 +1,41 @@
+# Copyright 2017 Huawei Technologies Co.,LTD.
+# All Rights Reserved.
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+"""Utilities and helper functions."""
+
+from oslo_log import log
+from oslo_concurrency import lockutils
+import six
+
+
+LOG = log.getLogger(__name__)
+
+synchronized = lockutils.synchronized_with_prefix('cyborg-')
+
+def safe_rstrip(value, chars=None):
+    """Removes trailing characters from a string if that does not make it empty
+
+    :param value: A string value that will be stripped.
+    :param chars: Characters to remove.
+    :return: Stripped value.
+
+    """
+    if not isinstance(value, six.string_types):
+        LOG.warning("Failed to remove trailing character. Returning "
+                    "original object. Supplied object is not a string: "
+                    "%s,", value)
+        return value
+
+    return value.rstrip(chars) or value