evoque/evoque/common/utils.py

37 lines
1.2 KiB
Python

# 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."""
import six
from oslo_log import log as logging
from evoque.common.i18n import _LW
LOG = logging.getLogger(__name__)
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.warn(_LW("Failed to remove trailing character. Returning original "
"object. Supplied object is not a string: %s,"), value)
return value
return value.rstrip(chars) or value