#!/usr/bin/python3

# Copyright (C) 2015-2018 Free Software Foundation, Inc.

# This file is part of the GNU C Library.

#

# The GNU C Library is free software; you can redistribute it and/or

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

# License as published by the Free Software Foundation; either

# version 2.1 of the License, or (at your option) any later version.

#

# The GNU C Library 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

# Lesser General Public License for more details.

#

# You should have received a copy of the GNU Lesser General Public

# License along with the GNU C Library; if not, see

# <http://www.gnu.org/licenses/>.

"""List fixed bugs for the NEWS file.

This script takes a version number as input and generates a list of

bugs marked as FIXED with that milestone, to be added to the NEWS file

just before release.  The output is in UTF-8.

"""

import argparse

import json

import sys

import textwrap

import urllib.request

def get_parser():

    """Return an argument parser for this module."""

    parser = argparse.ArgumentParser(description=__doc__)

    parser.add_argument('version',

                        help='Release version to look up')

    return parser

def list_fixed_bugs(version):

    """List the bugs fixed in a given version."""

    url = ('https://sourceware.org/bugzilla/rest.cgi/bug?product=glibc'

           '&resolution=FIXED&target_milestone=%s'

           '&include_fields=id,component,summary' % version)

    response = urllib.request.urlopen(url)

    json_data = response.read().decode('utf-8')

    data = json.loads(json_data)

    for bug in data['bugs']:

        desc = '[%d] %s: %s' % (bug['id'], bug['component'], bug['summary'])

        desc = textwrap.fill(desc, width=76, initial_indent='  ',

                             subsequent_indent='    ') + '\n'

        sys.stdout.buffer.write(desc.encode('utf-8'))

def main(argv):

    """The main entry point."""

    parser = get_parser()

    opts = parser.parse_args(argv)

    list_fixed_bugs(opts.version)

if __name__ == '__main__':

    main(sys.argv[1:])