#! /usr/local/bin/python
#
# Copyright (C) 1998-2003 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.
#
# argv[1] should be the name of the list.
# argv[2] should be the list of non-digested users.
# argv[3] should be the list of digested users.

# Make sure that the list of email addresses doesn't contain any comments,
# like majordomo may throw in.  For now, you just have to remove them manually.

"""Add members to a list from the command line.

Usage:
    add_members [options] listname

Options:

    --regular-members-file=file
    -r file
        A file containing addresses of the members to be added, one
        address per line.  This list of people become non-digest
        members.  If file is `-', read addresses from stdin.  Note that
        -n/--non-digest-members-file are deprecated synonyms for this option.

    --digest-members-file=file
    -d file
        Similar to above, but these people become digest members.

    --welcome-msg=<y|n>
    -w <y|n>
        Set whether or not to send the list members a welcome message,
        overriding whatever the list's `send_welcome_msg' setting is.

    --admin-notify=<y|n>
    -a <y|n>
        Set whether or not to send the list administrators a notification on
        the success/failure of these subscriptions, overriding whatever the
        list's `admin_notify_mchanges' setting is.

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

    listname
        The name of the Mailman list you are adding members to.  It must
        already exist.

You must supply at least one of -r and -d options.  At most one of the
files can be `-'.
"""

import sys
import os
import getopt
from cStringIO import StringIO

import paths
# Import this /after/ paths so that the sys.path is properly hacked
from email.Utils import parseaddr

from Mailman import MailList
from Mailman import Utils
from Mailman import Message
from Mailman import Errors
from Mailman import mm_cfg
from Mailman import i18n

_ = i18n._



def usage(status, msg=''):
    if status:
        fd = sys.stderr
    else:
        fd = sys.stdout
    print >> fd, _(__doc__)
    if msg:
        print >> fd, msg
    sys.exit(status)



def readfile(filename):
    if filename == '-':
        fp = sys.stdin
        closep = 0
    else:
        fp = open(filename)
        closep = 1
    # strip all the lines of whitespace and discard blank lines
    lines = filter(None, [line.strip() for line in fp.readlines()])
    if closep:
        fp.close()
    return lines



class Tee:
    def __init__(self, outfp):
        self.__outfp = outfp

    def write(self, msg):
        sys.stdout.write(msg)
        self.__outfp.write(msg)


class UserDesc: pass



def addall(mlist, members, digest, ack, outfp):
    tee = Tee(outfp)
    for member in members:
        userdesc = UserDesc()
        userdesc.fullname, userdesc.address = parseaddr(member)
        userdesc.digest = digest

        try:
            mlist.ApprovedAddMember(userdesc, ack, 0)
        except Errors.MMAlreadyAMember:
            print >> tee, _('Already a member: %(member)s')
        except Errors.MMBadEmailError:
            if userdesc.address == '':
                print >> tee, _('Bad/Invalid email address: blank line')
            else:
                print >> tee, _('Bad/Invalid email address: %(member)s')
        except Errors.MMHostileAddress:
            print >> tee, _('Hostile address (illegal characters): %(member)s')
        else:
            print >> tee, _('Subscribed: %(member)s')



def main():
    try:
        opts, args = getopt.getopt(sys.argv[1:],
                                   'a:n:r:d:w:h',
                                   ['admin-notify=',
                                    'regular-members-file=',
                                    'non-digest-members-file=',
                                    'digest-members-file=',
                                    'welcome-msg=',
                                    'help'])
    except getopt.error, msg:
        usage(1, msg)

    if len(args) <> 1:
        usage(1)

    listname = args[0].lower().strip()
    nfile = None
    dfile = None
    send_welcome_msg = None
    admin_notif = None
    for opt, arg in opts:
        if opt in ('-h', '--help'):
            usage(0)
        elif opt in ('-d', '--digest-members-file'):
            dfile = arg
        # Deprecate -/--non-digest-members-file or consistency with
        # list_members
        elif opt in ('-r', '--regular-members-file'):
            nfile = arg
        elif opt in ('-n', '--non-digest-members-file'):
            nfile = arg
            # I don't think we need to use the warnings module here.
            print >> sys.stderr, 'option', opt, \
                  'is deprecated, use -r/--regular-members-file'
        elif opt in ('-w', '--welcome-msg'):
            if arg.lower()[0] == 'y':
                send_welcome_msg = 1
            elif arg.lower()[0] == 'n':
                send_welcome_msg = 0
            else:
                usage(1, _('Bad argument to -w/--welcome-msg: %(arg)s'))
        elif opt in ('-a', '--admin-notify'):
            if arg.lower()[0] == 'y':
                admin_notif = 1
            elif arg.lower()[0] == 'n':
                admin_notif = 0
            else:
                usage(1, _('Bad argument to -a/--admin-notify: %(arg)s'))

    if dfile is None and nfile is None:
        usage(1)

    if dfile == "-" and nfile == "-":
        usage(1, _('Cannot read both digest and normal members '
                   'from standard input.'))

    try:
        mlist = MailList.MailList(listname)
    except Errors.MMUnknownListError:
        usage(1, _('No such list: %(listname)s'))

    # Set up defaults
    if send_welcome_msg is None:
        send_welcome_msg = mlist.send_welcome_msg
    if admin_notif is None:
        admin_notif = mlist.admin_notify_mchanges

    otrans = i18n.get_translation()
    # Read the regular and digest member files
    try:
        dmembers = []
        if dfile:
            dmembers = readfile(dfile)

        nmembers = []
        if nfile:
            nmembers = readfile(nfile)

        if not dmembers and not nmembers:
            usage(0, _('Nothing to do.'))

        s = StringIO()
        i18n.set_language(mlist.preferred_language)
        if nmembers:
            addall(mlist, nmembers, 0, send_welcome_msg, s)

        if dmembers:
            addall(mlist, dmembers, 1, send_welcome_msg, s)

        if admin_notif:
            realname = mlist.real_name
            subject = _('%(realname)s subscription notification')
            msg = Message.UserNotification(
                mlist.owner, Utils.get_site_email(), subject, s.getvalue(),
                mlist.preferred_language)
            msg.send(mlist)

        mlist.Save()
    finally:
        mlist.Unlock()
        i18n.set_translation(otrans)


if __name__ == '__main__':
    main()
