src/hkml_forward.py

# SPDX-License-Identifier: GPL-2.0

import tempfile

import _hkml
import _hkml_list_cache
import hkml_open
import hkml_send
import hkml_write

def forward(mail, subject=None, in_reply_to=None, to=None, cc=None,
            attach_files=None, format_only=None):
    mail_str = '\n'.join(['=== >8 ===',
                          hkml_open.mail_display_str(mail)])

    if subject is None:
        subject = 'Fwd: %s' % mail.subject

    mbox = hkml_write.format_mbox(
            subject, in_reply_to, to, cc, mail_str, from_=None,
            draft_mail=None, attach_files=attach_files)

    if format_only:
        print(mbox)
        return

    fd, tmp_path = tempfile.mkstemp(prefix='hkml_forward_')
    with open(tmp_path, 'w') as f:
        f.write(mbox)
    err = hkml_write.open_editor(tmp_path)
    if err is not None:
        print(err)
        exit(1)
    hkml_send.send_mail(tmp_path, get_confirm=True, erase_mbox=True,
                        orig_draft_subject=None)

def main(args):
    if args.mail.isdigit():
        mail = _hkml_list_cache.get_mail(int(args.mail))
    elif args.mail == 'clipboard':
        mails, err = _hkml.read_mails_from_clipboard()
        if err != None:
            print('reading mails in clipboard failed: %s' % err)
            exit(1)
        if len(mails) != 1:
            print('multiple mails in clipboard')
            exit(1)
        mail = mails[0]
    else:
        print('unsupported <mail> (%s)' % args.mail)

    forward(mail, args.subject, args.in_reply_to, args.to, args.cc,
            args.attach, args.format_only)

def set_argparser(parser):
    parser.description = 'forward a mail'
    parser.add_argument(
            'mail', metavar='<mail>',
            help=' '.join(
                ['The mail to forward.',
                'Could be index on the list, or \'clipboard\'']))
    parser.add_argument('--subject', metavar='<subject>', type=str,
            help='Subject of the mail.')
    parser.add_argument('--in-reply-to', metavar='<message id>',
            help='Add in-reply-to field in the mail header')
    parser.add_argument('--to', metavar='<email address>', nargs='+',
            help='recipients of the mail')
    parser.add_argument('--cc', metavar='<email address>', nargs='+',
            help='cc recipients of the mail')
    hkml_write.add_common_arguments(parser)