c88892d196
This patch adds database support for higgins. Change-Id: I8114172541aaeb90d289bed783a61b1c6d9747d9 Implements: blueprint database-support-higgins
66 lines
1.8 KiB
Python
66 lines
1.8 KiB
Python
# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# It's based on oslo.i18n usage in OpenStack Keystone project and
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# recommendations from http://docs.openstack.org/developer/oslo.i18n/usage.html
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"""Utilities and helper functions."""
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from oslo_log import log as logging
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import six
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import uuid
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from higgins.common.i18n import _LW
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LOG = logging.getLogger(__name__)
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def safe_rstrip(value, chars=None):
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"""Removes trailing characters from a string if that does not make it empty
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:param value: A string value that will be stripped.
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:param chars: Characters to remove.
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:return: Stripped value.
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"""
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if not isinstance(value, six.string_types):
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LOG.warning(_LW(
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"Failed to remove trailing character. Returning original object. "
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"Supplied object is not a string: %s,"
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), value)
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return value
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return value.rstrip(chars) or value
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def is_int_like(val):
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"""check if a value looks like int."""
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try:
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return str(int(val)) == str(val)
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except Exception:
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return False
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def is_uuid_like(val):
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"""Returns validation of a value as a UUID.
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For our purposes, a UUID is a canonical form string:
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aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa
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"""
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try:
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return str(uuid.UUID(val)) == val
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except (TypeError, ValueError, AttributeError):
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return False
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