tags.py

#!/usr/bin/env python
# require python3.1 or later and requests package
# this script print boxen package list with the latest version
# for example
#    $ python tags.py
#    puppet-adium                        1.2.0
#    puppet-adobe_reader                 1.1.0
#    puppet-airfoil                      0.0.1
#    puppet-alfred                       1.1.6
#    puppet-android                      1.0.0
#    puppet-appcleaner                   1.0.0

import os
import sys
import requests
from distutils.version import LooseVersion

base_url = "https://api.github.com/"
username = "boxen"

if len(sys.argv) == 2:
    api_token = sys.argv[1]
else:
    api_token = os.environ.get("GITHUB_API_TOKEN")
    if not api_token:
        print("GITHUB_API_TOKEN is not found")
        sys.exit()

s = requests.Session()
s.headers['Authorization'] = 'token %s' % api_token
repos = {}

for page in range(1, 5):  # 5 is magic number :-<
    # get repos via https://api.github.com/users/:user/repos
    r = s.get(base_url + "users/" + username + "/repos",
              params={"page": str(page), "per_page": "100"})

    for repo in r.json():
        # dont see "our-boxen" repo and so on.
        if not "puppet-" in repo["name"]:
            continue

        # get tags via https://api.github.com/repos/:user/:repo/tags
        r = s.get(base_url
                  + "repos/"
                  + username
                  + "/" + repo["name"]
                  + "/tags")
        versions = [ver["name"] for ver in r.json()]
        # dont see tags using unsupported version-style "vX.X.X"
        if "v" in [ver[0] for ver in versions]:
            continue
        lv = [LooseVersion(v) for v in versions]
        sorted(lv, reverse=True)

        if len(lv) > 0:
            repos[repo["name"]] = lv[0].vstring

for name in sorted(repos.keys()):
    print("{0:<30} {1:>10}".format(name, repos[name]))