mcuboot/ci/compare_versions.py

66 lines
2.1 KiB
Python
Executable File

#!/usr/bin/env python3
# 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 packaging.version import parse, InvalidVersion
import argparse
import sys
try:
from packaging.version import LegacyVersion
except ImportError:
LegacyVersion = () # trick isinstance!
# exit with 0 if --new is equal to --old
# exit with 1 on errors
# exit with 2 if --new is newer than --old
# exit with 3 if --new is older than --old
parser = argparse.ArgumentParser()
parser.add_argument('--old', help='Version currently in use')
parser.add_argument('--new', help='New version to publish')
args = parser.parse_args()
if args.old is None or args.new is None:
parser.print_help()
exit(1)
# packaging>=22 only supports PEP-440 version numbers, and a non-valid version
# will throw InvalidVersion. Previous packaging releases would create a
# LegacyVersion object if the given version string failed to parse as PEP-440,
# and since we use versions closer to semver, we want to fail in that case.
versions = []
for version in [args.old, args.new]:
try:
versions.append(parse(version))
except InvalidVersion:
print("Invalid version parsed: {}".format(version))
sys.exit(1)
old, new = versions[0], versions[1]
for version in [old, new]:
if isinstance(version, LegacyVersion):
print("Invalid version parsed: {}".format(version))
sys.exit(1)
if new == old:
print("No version change")
sys.exit(0)
elif new > old:
print("Upgrade detected ({} > {})".format(new, old))
sys.exit(2)
print("Downgrade detected ({} < {})".format(new, old))
sys.exit(3)