tc_agenda.py

#!/usr/bin/python
#
# Script to generate TC agenda under various forms
#
# Copyright 2014 Thierry Carrez <thierry@openstack.org>
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.

from argparse import ArgumentParser
import datetime
import json
import re
import requests
import subprocess


wiki = 'https://wiki.openstack.org'
page = 'Meetings/TechnicalCommittee'
sect = '2'
wikiurl = wiki + '/w/index.php?title=' + page + '&action=raw&section=' + sect


def get_governance_changes(*args):
    chg = {}
    host = "review.openstack.org"
    port = "29418"

    cmd = ['/usr/bin/ssh', '-p', port,
           host, 'gerrit', 'query', '--format=JSON',
          'project:openstack/governance', 'branch:master', 'status:open',
          ] + list(args)

    proc = subprocess.Popen(cmd, bufsize=1,
                        stdin=None, stdout=subprocess.PIPE, stderr=None)

    for line in proc.stdout:
        data = json.loads(line)
        if 'subject' in data:
            chg[data['url']] = data

    return chg


if __name__ == '__main__':

    # Parameters
    parser = ArgumentParser(description="Generate TC agenda")
    parser.add_argument('output', choices=['wiki', 'email', 'irc'],
                        help='Output format for TC agenda')
    args = parser.parse_args()

    if args.output == 'wiki':
        # Fetch governance reviews from gerrit and turn them into list
        print "[ Formal vote changes ]"
        changes = get_governance_changes('topic:formal-vote')
        for url in sorted(changes.keys()):
            print "* %s [%s]" % (changes[url]['subject'], url)
        print
        print "[ One-week-old other changes ]"
        changes = get_governance_changes('AND', 'NOT', 'topic:formal-vote')
        old = True
        seven_days_ago = datetime.datetime.utcnow() - datetime.timedelta(days=7)
        for url in sorted(changes.keys()):
            created = datetime.datetime.fromtimestamp(changes[url]['createdOn'])
            if (old and created > seven_days_ago):
                old = False
                print
                print "[ Younger other changes ]"
            print "* %s [%s]" % (changes[url]['subject'], url)

    else:
        # Agenda lives on the wiki
        r = requests.get(wikiurl)
        agenda = r.text

        if args.output == 'email':
            agenda = agenda.replace('**', '  *')
            # Find links in agenda and email-friendlize them
            links = []

            def repl(m):
                links.append(m.group(1))
                return '[%d]' % len(links)

            email = re.sub(r'\[([^\]]+)\]', repl, agenda) + '\n\n'
            for num,link in enumerate(links):
                email += '[%d] %s\n' % (num+1, link)

            # Output resulting email
            print email

        else:
            # Print tcmeeting script skeleton
            for line in agenda.split('\n'):
                if line.startswith('** '):
                    line = line.replace('**','\n*')
                    line = line.replace('[','(')
                    line = line.replace(']',')')
                    print line
                else:
                    if line.startswith('* '):
                        line = line.replace('* ','\n\n============\n\n#topic ')
                        line = line.replace('[','\n\n#link ')
                        line = line.replace(']','\n')
                        print line