repo.py

"""
generate HTML overview of a GitHub user's repositories

results are sent to STDOUT

Usage:

  $ python repo.py <username>
"""

import sys
import re

import requests


TABLE = """
<table>
    <tr>
        <th>%s</th>
        <th>%s</th>
        <th>%s</th>
        <th>%s</th>
    </tr>
    %s
</table>
"""
ROW = """
    <tr>
        <td>%s</td>
        <td>%s</td>
        <td>%s</td>
        <td>%s</td>
    </tr>
"""


class HTTPException(Exception):
    pass


def main(args):
    args = [unicode(arg, "utf-8") for arg in args]

    username = args[1]
    try:
        print TABLE % ("Name", "Description", "Last Release", "Last Active",
                "\n".join(get_repos(username)))
    except HTTPException, exc:
        print >> sys.stderr, "ERROR: %s" % exc.message
        return False

    return True


def get_repos(username):
    req = _get("https://api.github.com/users/%s/repos" % username)
    return (repo2html(repo) for repo in req.json())


def repo2html(repo):
    url = repo["homepage"] or repo["html_url"] # XXX: bad fallback?
    link = '<a href="%s">%s</a>' % (url, repo["name"]) # TODO: sanitize

    tag = _get_latest_tag(repo)
    if not tag:
        tag = "N/A"

    return ROW % (link, repo.get("description"), tag, repo["updated_at"])


def _get_latest_tag(repo): # TODO: use grequests for non-blocking approach
    uri_template_pattern = re.compile(r"{.*?}")
    tags_url = uri_template_pattern.sub("", repo["tags_url"])

    req = _get(tags_url)
    try:
        return req.json()[0]["name"] # XXX: correct?
    except (IndexError, KeyError):
        return False


def _get(url):
    print >> sys.stderr, "retrieving %s" % url
    req = requests.get(url)
    if not req.status_code == 200:
        raise HTTPException("failed to retrieve %s" % url)
    return req


if __name__ == "__main__":
    status = not main(sys.argv)
    sys.exit(status)