releases/openstack_releases/versionutils.py
Doug Hellmann 0cf773e904 add version validation rules
Change-Id: Ie8db861cf7cadacb142134b3143c8a51d6820e66
2015-12-03 19:44:27 +00:00

37 lines
1.2 KiB
Python

# 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.
from __future__ import unicode_literals
import pbr.version
def validate_version(versionstr):
"""Given a version string, yield error messages if it is "bad"
Apply our SemVer rules to version strings and report all issues.
"""
# Apply pbr rules
try:
semver = pbr.version.SemanticVersion.from_pip_string(versionstr)
except ValueError as err:
yield 'Invalid version: %s' % err
# Make sure pbr didn't change the version to meet the canonical form.
canonical = semver.release_string()
if canonical != versionstr:
yield 'Version %r does not match canonical form %r' % \
(versionstr, canonical)