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

#!/usr/bin/python3

# (C) 2011 Canonical Ltd.

# Author: Martin Pitt <martin.pitt@canonical.com>

# License: GPL-2+

#

# Process two reports of component-mismatches, and email new source

# universe->main promotions to the release team.

#from launchpadlib.launchpad import Launchpad

import difflib

import sys

import smtplib

from email.mime.text import MIMEText

def release_team_emails():

    '''Return a list of email addresses of the release team.'''

    # this only works authenticated:

    #lp = Launchpad.login_anonymously('process-component-mismatches-diff', 'production')

    #addresses = []

    #for member in lp.people['ubuntu-release'].members_details:

    #    addresses.append(member.member.preferred_email_address_link.split('/')[-1])

    #return addresses

    return ['martin.pitt@ubuntu.com',

            'cjwatson@canonical.com',

            'iain@orangesquash.org.uk',

            'ubuntu@kitterman.com',

            'steve.langasek@canonical.com',

            'stefan.potyra@informatik.uni-erlangen.de']

def read_file(filename):

    '''Read the output of component-mismatches.

    Filter out the "source/binary promotion to main" part, as this is the only

    part for which timely email notifications are helpful and appropriate.

    Return a list of lines.

    '''

    f = open(filename)

    result = []

    # first, read until the first section starts

    line = ''

    while '----------' not in line:

        line = f.readline()

        if line == '':

            return result

    # slurp in the section

    while True:

        line = f.readline()

        if line == '' or line.startswith('========='):

            break

        result.append(line)

    f.close()

    return result

def report(old_cm, new_cm):

    '''Generate a report for the difference between two c-m results.'''

    old = read_file(old_cm)

    new = read_file(new_cm)

    report = ''

    for i in difflib.Differ().compare(old, new):

        if i.startswith('+'):

            report += i[1:]

    return report

#

# main

#

if len(sys.argv) != 3:

    sys.stderr.write('Usage: %s <old report> <new report>\n' % sys.argv[0])

    sys.exit(0)

r = report(sys.argv[1], sys.argv[2])

if not r:

    sys.exit()

r = '''The following universe packages have new reverse dependencies

in main or got seeded. They need to get a MainInclusionReport and be

promoted, or the reverse dependencies in main need to be dropped:

%s

Please see https://ubuntu-archive-team.ubuntu.com/component-mismatches.txt

for the full report.

Please contact https://launchpad.net/~ubuntu-archive for problems with this

notification.

''' % r

# send mail

#addrs = release_team_emails()

addrs = ['ubuntu-release@lists.ubuntu.com']

msg = MIMEText(r)

msg['Subject'] = 'New component-mismatches for source universe -> main'

msg['From'] = 'process-component-mismatches-diff <ubuntu-release@lists.ubuntu.com>'

msg['To'] = ', '.join(addrs)

msgstr = msg.as_string()

for addr in addrs:

    s = smtplib.SMTP()

    s.connect()

    s.sendmail('archive@ubuntu.com', addr, msgstr)

    s.quit()