import urllib.request
import json
import re

releases = {}

for page in range(1, 20):
    url = f"https://api.github.com/repos/rancher/rancher/tags?per_page=100&page={page}"
    req = urllib.request.Request(url, headers={'User-Agent': 'Mozilla/5.0'})
    try:
        data = json.loads(urllib.request.urlopen(req).read().decode())
    except:
        break
    if not data:
        break
    for item in data:
        name = item['name']
        m = re.match(r"^v(2\.\d+)\.(\d+)$", name)
        if m:
            series = m.group(1)
            patch = int(m.group(2))
            if series not in releases or patch > releases[series]:
                releases[series] = patch

for s in sorted(releases.keys(), key=lambda x: [int(p) for p in x.split('.')]):
    print(f"Series v{s}: latest patch is v{s}.{releases[s]}")