def get_tagged_version_numbers()

in ccmlib/repository.py [0:0]

• 25 lines of code
• 18 McCabe index (conditional complexity)

def get_tagged_version_numbers(series='stable'):
    """Retrieve git tags and find version numbers for a release series

    series - 'stable', 'oldstable', or 'testing'"""
    releases = []
    if series == 'testing':
        # Testing releases always have a hyphen after the version number:
        tag_regex = re.compile('^refs/tags/cassandra-([0-9]+\.[0-9]+\.[0-9]+-.*$)')
    else:
        # Stable and oldstable releases are just a number:
        tag_regex = re.compile('^refs/tags/cassandra-([0-9]+\.[0-9]+\.[0-9]+$)')

    tag_url = urllib.request.urlopen(GITHUB_TAGS)
    for ref in (i.get('ref', '') for i in json.loads(tag_url.read())):
        m = tag_regex.match(ref)
        if m:
            releases.append(LooseVersion(m.groups()[0]))

    # Sort by semver:
    releases.sort(reverse=True)

    stable_major_version = LooseVersion(str(releases[0].version[0]) + "." + str(releases[0].version[1]))
    stable_releases = [r for r in releases if r >= stable_major_version]
    oldstable_releases = [r for r in releases if r not in stable_releases]
    oldstable_major_version = LooseVersion(str(oldstable_releases[0].version[0]) + "." + str(oldstable_releases[0].version[1]))
    oldstable_releases = [r for r in oldstable_releases if r >= oldstable_major_version]

    if series == 'testing':
        return [r.vstring for r in releases]
    elif series == 'stable':
        return [r.vstring for r in stable_releases]
    elif series == 'oldstable':
        return [r.vstring for r in oldstable_releases]
    else:
        raise AssertionError("unknown release series: {series}".format(series=series))