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- #!/usr/bin/python3
- import json
- import sys
- from pkg_resources import parse_version
- from pkg_resources.extern.packaging.version import Version
- def newer_mapping(image_tags):
- key = list(image_tags.keys())[0]
- if not image_tags[key]:
- return {}
- tags = {t.rsplit('-', 1)[0]: t for t in image_tags[key]}
- versions = [v for v in map(parse_version, tags) if isinstance(v, Version) and not v.is_prerelease]
- if not versions:
- return {}
- versions.sort()
- version = str(versions[-1])
- return {
- 'tags': {key: tags[version]},
- 'app_version': version,
- }
- if __name__ == '__main__':
- if len(sys.argv) != 2:
- exit(1)
- print(json.dumps(newer_mapping(json.loads(sys.argv[1]))))
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