36 lines
1.1 KiB
Python
36 lines
1.1 KiB
Python
# vim: ts=4 et:
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import re
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from urllib.request import urlopen
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# constants and vars
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CDN_URL = 'https://dl-cdn.alpinelinux.org/alpine'
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# TODO: also get EOL from authoritative source
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def get_version_release(alpine_version):
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apk_ver = get_apk_version(alpine_version, 'main', 'x86_64', 'alpine-base')
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release = apk_ver.split('-')[0]
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version = '.'.join(release.split('.')[:2])
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return {'version': version, 'release': release}
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# TODO? maybe download and parse APKINDEX instead?
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# also check out https://dl-cdn.alpinelinux.org/alpine/v3.15/releases/x86_64/latest-releases.yaml
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def get_apk_version(alpine_version, repo, arch, apk):
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repo_url = f"{CDN_URL}/{alpine_version}/{repo}/{arch}"
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apks_re = re.compile(f'"{apk}-(\\d.*)\\.apk"')
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res = urlopen(repo_url)
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for line in map(lambda x: x.decode('utf8'), res):
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if not line.startswith('<a href="'):
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continue
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match = apks_re.search(line)
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if match:
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return match.group(1)
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# didn't find it?
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raise RuntimeError(f"Unable to find {apk} APK via {repo_url}")
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