~ubuntu-archive/ubuntu-archive-scripts/trunk

#!/usr/bin/env python3

# -*- coding: utf-8 -*-

# Copyright (C) 2018 Canonical Ltd

# This program is free software; you can redistribute it and/or

# modify it under the terms of the GNU General Public License

# as published by the Free Software Foundation; either version 2

# of the License, or (at your option) any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# A copy of the GNU General Public License version 2 is in LICENSE.

import apt_pkg

import argparse

import atexit

from collections import defaultdict

from datetime import datetime

import gzip

import json

import os

import re

import shutil

import tempfile

from textwrap import dedent

from urllib.request import urlopen

import attr

from jinja2 import Environment, FileSystemLoader

import yaml

env = Environment(

    loader=FileSystemLoader(os.path.dirname(os.path.abspath(__file__)) + '/templates'),

    autoescape=True,

    extensions=['jinja2.ext.i18n'],

)

env.install_null_translations(True)

tempdir = None

# copied from component-mismatches

def ensure_tempdir():

    global tempdir

    if not tempdir:

        tempdir = tempfile.mkdtemp(prefix='component-mismatches')

        atexit.register(shutil.rmtree, tempdir)

# copied from component-mismatches

def decompress_open(tagfile):

    ensure_tempdir()

    decompressed = tempfile.mktemp(dir=tempdir)

    fin = gzip.GzipFile(filename=tagfile)

    with open(decompressed, 'wb') as fout:

        fout.write(fin.read())

    return open(decompressed, 'r')

# copied from generate-team-p-m

def get_subscribers_json(packages, subscribers_json):

    if subscribers_json is None:

        j = urlopen("https://ubuntu-archive-team.ubuntu.com/package-team-mapping.json")

    else:

        j = open(subscribers_json, 'rb')

    with j:

        team_to_packages = json.loads(j.read().decode('utf-8'))

    package_to_teams = {}

    for team, team_packages in team_to_packages.items():

        for package in team_packages:

            if package in packages:

                package_to_teams.setdefault(package, []).append(team)

    return package_to_teams

def packages_with_bzr_repos(options):

    pkgs = {}

    for component in options.components.split(','):

        sources_path = "%s/dists/%s/%s/source/Sources.gz" % (

            options.archive_dir, options.suite, component)

        for section in apt_pkg.TagFile(decompress_open(sources_path)):

            if 'Package' in section and 'Vcs-Bzr' in section:

                pkgs[section['Package']] = section['Vcs-Bzr']

    return pkgs

def repo_url(repo):

    return re.sub('^lp:', 'https://code.launchpad.net/', repo)

def main():

    parser = argparse.ArgumentParser()

    parser.add_argument('--archive-dir', action='store', default=os.path.expanduser("~/mirror/ubuntu"))

    parser.add_argument('--components', action='store', default="main,restricted,universe,multiverse")

    parser.add_argument('--suite', action='store')

    parser.add_argument('--subscribers-json', action='store')

    parser.add_argument('output')

    args = parser.parse_args()

    pkgs = packages_with_bzr_repos(args)

    print("getting subscribers")

    subscribers = get_subscribers_json(set(pkgs.keys()), args.subscribers_json)

    for p in set(pkgs.keys()):

        if p not in subscribers:

            subscribers[p] = ['unknown']

    all_teams = set()

    team_to_pkgs = defaultdict(list)

    for package, teams in subscribers.items():

        all_teams |= set(teams)

        for team in teams:

            team_to_pkgs[team].append(package)

    team_to_attn_count = {}

    for team, packages in team_to_pkgs.items():

        team_to_attn_count[team] = len(packages)

        team_to_pkgs[team] = [(package, repo_url(pkgs[package])) for package in sorted(packages)]

    print("rendering")

    t = env.get_template('team-report-bzr.html')

    now = datetime.utcnow()

    with open(args.output, 'w', encoding='utf-8') as fp:

        fp.write(t.render(

            all_teams=all_teams,

            now="%s UTC" % now.strftime("%Y-%m-%d %H:%M:%S"),

            team_to_pkgs=team_to_pkgs,

            team_to_attn_count=team_to_attn_count))

if __name__ == '__main__':

    main()