#! @PYTHON@
#
# Copyright (C) 2001-2018 by the Free Software Foundation, Inc.
#
# 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.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
# USA.

"""List all the owners of a mailing list.

Usage: %(program)s [options] listname ...

Where:

    --all-vhost=vhost
    -v=vhost
        List the owners of all the mailing lists for the given virtual host.

    --all
    -a
        List the owners of all the mailing lists on this system.

    --help
    -h
        Print this help message and exit.

`listname' is the name of the mailing list to print the owners of.  You can
have more than one named list on the command line.
"""
from __future__ import print_function

import sys
import getopt

import paths
from Mailman import MailList, Utils
from Mailman import Errors
from Mailman.i18n import C_

COMMASPACE = ', '

program = sys.argv[0]



def usage(code, msg=''):
    if code:
        fd = sys.stderr
    else:
        fd = sys.stdout
    print(C_(__doc__), file=fd)
    if msg:
        print(msg, file=fd)
    sys.exit(code)



def main():
    try:
        opts, args = getopt.getopt(sys.argv[1:], 'hv:a',
                                   ['help', 'all-vhost=', 'all'])
    except getopt.error as msg:
        usage(1, msg)

    listnames = [x.lower() for x in args]
    vhost = None
    for opt, arg in opts:
        if opt in ('-h', '--help'):
            usage(0)
        elif opt in ('-a', '--all'):
            listnames = Utils.list_names()
        elif opt in ('-v', '--all-vhost'):
            listnames = Utils.list_names()
            vhost = arg

    for listname in listnames:
       try:
           mlist = MailList.MailList(listname, lock=0)
       except Errors.MMListError as e:
           print(C_('No such list: %(listname)s'))
           continue

       if vhost and vhost != mlist.host_name:
           continue

       owners = COMMASPACE.join(mlist.owner)
       print(C_('List: %(listname)s, \tOwners: %(owners)s'))



if __name__ == '__main__':
    main()
